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path: root/drivers/gpu/drm/i915/display/intel_cx0_phy.c
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Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_cx0_phy.c')
-rw-r--r--drivers/gpu/drm/i915/display/intel_cx0_phy.c1992
1 files changed, 1161 insertions, 831 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_cx0_phy.c b/drivers/gpu/drm/i915/display/intel_cx0_phy.c
index e768dc6a15b3..7e59409bbf01 100644
--- a/drivers/gpu/drm/i915/display/intel_cx0_phy.c
+++ b/drivers/gpu/drm/i915/display/intel_cx0_phy.c
@@ -6,23 +6,26 @@
#include <linux/log2.h>
#include <linux/math64.h>
-#include "i915_drv.h"
-#include "i915_reg.h"
+#include <drm/drm_print.h>
+
+#include "intel_alpm.h"
#include "intel_cx0_phy.h"
#include "intel_cx0_phy_regs.h"
+#include "intel_display_regs.h"
#include "intel_ddi.h"
#include "intel_ddi_buf_trans.h"
#include "intel_de.h"
#include "intel_display_types.h"
+#include "intel_display_utils.h"
#include "intel_dp.h"
+#include "intel_dpll.h"
#include "intel_hdmi.h"
+#include "intel_lt_phy.h"
#include "intel_panel.h"
#include "intel_psr.h"
+#include "intel_snps_hdmi_pll.h"
#include "intel_tc.h"
-#define MB_WRITE_COMMITTED true
-#define MB_WRITE_UNCOMMITTED false
-
#define for_each_cx0_lane_in_mask(__lane_mask, __lane) \
for ((__lane) = 0; (__lane) < 2; (__lane)++) \
for_each_if((__lane_mask) & BIT(__lane))
@@ -33,13 +36,17 @@
bool intel_encoder_is_c10phy(struct intel_encoder *encoder)
{
- struct drm_i915_private *i915 = to_i915(encoder->base.dev);
+ struct intel_display *display = to_intel_display(encoder);
enum phy phy = intel_encoder_to_phy(encoder);
- if (IS_PANTHERLAKE(i915) && phy == PHY_A)
- return true;
+ if (display->platform.pantherlake) {
+ if (display->platform.pantherlake_wildcatlake)
+ return phy <= PHY_B;
+ else
+ return phy == PHY_A;
+ }
- if ((IS_LUNARLAKE(i915) || IS_METEORLAKE(i915)) && phy < PHY_C)
+ if ((display->platform.lunarlake || display->platform.meteorlake) && phy < PHY_C)
return true;
return false;
@@ -72,10 +79,9 @@ static u8 intel_cx0_get_owned_lane_mask(struct intel_encoder *encoder)
static void
assert_dc_off(struct intel_display *display)
{
- struct drm_i915_private *i915 = to_i915(display->drm);
bool enabled;
- enabled = intel_display_power_is_enabled(i915, POWER_DOMAIN_DC_OFF);
+ enabled = intel_display_power_is_enabled(display, POWER_DOMAIN_DC_OFF);
drm_WARN_ON(display->drm, !enabled);
}
@@ -100,30 +106,30 @@ static void intel_cx0_program_msgbus_timer(struct intel_encoder *encoder)
* We also do the msgbus timer programming here to ensure that the timer
* is already programmed before any access to the msgbus.
*/
-static intel_wakeref_t intel_cx0_phy_transaction_begin(struct intel_encoder *encoder)
+static struct ref_tracker *intel_cx0_phy_transaction_begin(struct intel_encoder *encoder)
{
- intel_wakeref_t wakeref;
- struct drm_i915_private *i915 = to_i915(encoder->base.dev);
+ struct intel_display *display = to_intel_display(encoder);
struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
+ struct ref_tracker *wakeref;
intel_psr_pause(intel_dp);
- wakeref = intel_display_power_get(i915, POWER_DOMAIN_DC_OFF);
+ wakeref = intel_display_power_get(display, POWER_DOMAIN_DC_OFF);
intel_cx0_program_msgbus_timer(encoder);
return wakeref;
}
-static void intel_cx0_phy_transaction_end(struct intel_encoder *encoder, intel_wakeref_t wakeref)
+static void intel_cx0_phy_transaction_end(struct intel_encoder *encoder, struct ref_tracker *wakeref)
{
- struct drm_i915_private *i915 = to_i915(encoder->base.dev);
+ struct intel_display *display = to_intel_display(encoder);
struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
intel_psr_resume(intel_dp);
- intel_display_power_put(i915, POWER_DOMAIN_DC_OFF, wakeref);
+ intel_display_power_put(display, POWER_DOMAIN_DC_OFF, wakeref);
}
-static void intel_clear_response_ready_flag(struct intel_encoder *encoder,
- int lane)
+void intel_cx0_clear_response_ready_flag(struct intel_encoder *encoder,
+ int lane)
{
struct intel_display *display = to_intel_display(encoder);
@@ -132,7 +138,7 @@ static void intel_clear_response_ready_flag(struct intel_encoder *encoder,
0, XELPDP_PORT_P2M_RESPONSE_READY | XELPDP_PORT_P2M_ERROR_SET);
}
-static void intel_cx0_bus_reset(struct intel_encoder *encoder, int lane)
+void intel_cx0_bus_reset(struct intel_encoder *encoder, int lane)
{
struct intel_display *display = to_intel_display(encoder);
enum port port = encoder->port;
@@ -141,31 +147,29 @@ static void intel_cx0_bus_reset(struct intel_encoder *encoder, int lane)
intel_de_write(display, XELPDP_PORT_M2P_MSGBUS_CTL(display, port, lane),
XELPDP_PORT_M2P_TRANSACTION_RESET);
- if (intel_de_wait_for_clear(display, XELPDP_PORT_M2P_MSGBUS_CTL(display, port, lane),
- XELPDP_PORT_M2P_TRANSACTION_RESET,
- XELPDP_MSGBUS_TIMEOUT_SLOW)) {
+ if (intel_de_wait_for_clear_ms(display, XELPDP_PORT_M2P_MSGBUS_CTL(display, port, lane),
+ XELPDP_PORT_M2P_TRANSACTION_RESET,
+ XELPDP_MSGBUS_TIMEOUT_MS)) {
drm_err_once(display->drm,
"Failed to bring PHY %c to idle.\n",
phy_name(phy));
return;
}
- intel_clear_response_ready_flag(encoder, lane);
+ intel_cx0_clear_response_ready_flag(encoder, lane);
}
-static int intel_cx0_wait_for_ack(struct intel_encoder *encoder,
- int command, int lane, u32 *val)
+int intel_cx0_wait_for_ack(struct intel_encoder *encoder,
+ int command, int lane, u32 *val)
{
struct intel_display *display = to_intel_display(encoder);
enum port port = encoder->port;
enum phy phy = intel_encoder_to_phy(encoder);
- if (intel_de_wait_custom(display,
- XELPDP_PORT_P2M_MSGBUS_STATUS(display, port, lane),
- XELPDP_PORT_P2M_RESPONSE_READY,
- XELPDP_PORT_P2M_RESPONSE_READY,
- XELPDP_MSGBUS_TIMEOUT_FAST_US,
- XELPDP_MSGBUS_TIMEOUT_SLOW, val)) {
+ if (intel_de_wait_ms(display, XELPDP_PORT_P2M_MSGBUS_STATUS(display, port, lane),
+ XELPDP_PORT_P2M_RESPONSE_READY,
+ XELPDP_PORT_P2M_RESPONSE_READY,
+ XELPDP_MSGBUS_TIMEOUT_MS, val)) {
drm_dbg_kms(display->drm,
"PHY %c Timeout waiting for message ACK. Status: 0x%x\n",
phy_name(phy), *val);
@@ -210,15 +214,17 @@ static int __intel_cx0_read_once(struct intel_encoder *encoder,
int ack;
u32 val;
- if (intel_de_wait_for_clear(display, XELPDP_PORT_M2P_MSGBUS_CTL(display, port, lane),
- XELPDP_PORT_M2P_TRANSACTION_PENDING,
- XELPDP_MSGBUS_TIMEOUT_SLOW)) {
+ if (intel_de_wait_for_clear_ms(display, XELPDP_PORT_M2P_MSGBUS_CTL(display, port, lane),
+ XELPDP_PORT_M2P_TRANSACTION_PENDING,
+ XELPDP_MSGBUS_TIMEOUT_MS)) {
drm_dbg_kms(display->drm,
"PHY %c Timeout waiting for previous transaction to complete. Reset the bus and retry.\n", phy_name(phy));
intel_cx0_bus_reset(encoder, lane);
return -ETIMEDOUT;
}
+ intel_cx0_clear_response_ready_flag(encoder, lane);
+
intel_de_write(display, XELPDP_PORT_M2P_MSGBUS_CTL(display, port, lane),
XELPDP_PORT_M2P_TRANSACTION_PENDING |
XELPDP_PORT_M2P_COMMAND_READ |
@@ -228,7 +234,7 @@ static int __intel_cx0_read_once(struct intel_encoder *encoder,
if (ack < 0)
return ack;
- intel_clear_response_ready_flag(encoder, lane);
+ intel_cx0_clear_response_ready_flag(encoder, lane);
/*
* FIXME: Workaround to let HW to settle
@@ -265,8 +271,7 @@ static u8 __intel_cx0_read(struct intel_encoder *encoder,
return 0;
}
-static u8 intel_cx0_read(struct intel_encoder *encoder,
- u8 lane_mask, u16 addr)
+u8 intel_cx0_read(struct intel_encoder *encoder, u8 lane_mask, u16 addr)
{
int lane = lane_mask_to_lane(lane_mask);
@@ -282,15 +287,17 @@ static int __intel_cx0_write_once(struct intel_encoder *encoder,
int ack;
u32 val;
- if (intel_de_wait_for_clear(display, XELPDP_PORT_M2P_MSGBUS_CTL(display, port, lane),
- XELPDP_PORT_M2P_TRANSACTION_PENDING,
- XELPDP_MSGBUS_TIMEOUT_SLOW)) {
+ if (intel_de_wait_for_clear_ms(display, XELPDP_PORT_M2P_MSGBUS_CTL(display, port, lane),
+ XELPDP_PORT_M2P_TRANSACTION_PENDING,
+ XELPDP_MSGBUS_TIMEOUT_MS)) {
drm_dbg_kms(display->drm,
"PHY %c Timeout waiting for previous transaction to complete. Resetting the bus.\n", phy_name(phy));
intel_cx0_bus_reset(encoder, lane);
return -ETIMEDOUT;
}
+ intel_cx0_clear_response_ready_flag(encoder, lane);
+
intel_de_write(display, XELPDP_PORT_M2P_MSGBUS_CTL(display, port, lane),
XELPDP_PORT_M2P_TRANSACTION_PENDING |
(committed ? XELPDP_PORT_M2P_COMMAND_WRITE_COMMITTED :
@@ -298,9 +305,9 @@ static int __intel_cx0_write_once(struct intel_encoder *encoder,
XELPDP_PORT_M2P_DATA(data) |
XELPDP_PORT_M2P_ADDRESS(addr));
- if (intel_de_wait_for_clear(display, XELPDP_PORT_M2P_MSGBUS_CTL(display, port, lane),
- XELPDP_PORT_M2P_TRANSACTION_PENDING,
- XELPDP_MSGBUS_TIMEOUT_SLOW)) {
+ if (intel_de_wait_for_clear_ms(display, XELPDP_PORT_M2P_MSGBUS_CTL(display, port, lane),
+ XELPDP_PORT_M2P_TRANSACTION_PENDING,
+ XELPDP_MSGBUS_TIMEOUT_MS)) {
drm_dbg_kms(display->drm,
"PHY %c Timeout waiting for write to complete. Resetting the bus.\n", phy_name(phy));
intel_cx0_bus_reset(encoder, lane);
@@ -319,7 +326,7 @@ static int __intel_cx0_write_once(struct intel_encoder *encoder,
return -EINVAL;
}
- intel_clear_response_ready_flag(encoder, lane);
+ intel_cx0_clear_response_ready_flag(encoder, lane);
/*
* FIXME: Workaround to let HW to settle
@@ -353,8 +360,8 @@ static void __intel_cx0_write(struct intel_encoder *encoder,
"PHY %c Write %04x failed after %d retries.\n", phy_name(phy), addr, i);
}
-static void intel_cx0_write(struct intel_encoder *encoder,
- u8 lane_mask, u16 addr, u8 data, bool committed)
+void intel_cx0_write(struct intel_encoder *encoder,
+ u8 lane_mask, u16 addr, u8 data, bool committed)
{
int lane;
@@ -406,8 +413,8 @@ static void __intel_cx0_rmw(struct intel_encoder *encoder,
__intel_cx0_write(encoder, lane, addr, val, committed);
}
-static void intel_cx0_rmw(struct intel_encoder *encoder,
- u8 lane_mask, u16 addr, u8 clear, u8 set, bool committed)
+void intel_cx0_rmw(struct intel_encoder *encoder,
+ u8 lane_mask, u16 addr, u8 clear, u8 set, bool committed)
{
u8 lane;
@@ -443,13 +450,38 @@ static u8 intel_c10_get_tx_term_ctl(const struct intel_crtc_state *crtc_state)
}
}
+static void intel_c10_msgbus_access_begin(struct intel_encoder *encoder,
+ u8 lane_mask)
+{
+ if (!intel_encoder_is_c10phy(encoder))
+ return;
+
+ intel_cx0_rmw(encoder, lane_mask, PHY_C10_VDR_CONTROL(1),
+ 0, C10_VDR_CTRL_MSGBUS_ACCESS, MB_WRITE_COMMITTED);
+}
+
+static void intel_c10_msgbus_access_commit(struct intel_encoder *encoder,
+ u8 lane_mask, bool master_lane)
+{
+ u8 val = C10_VDR_CTRL_UPDATE_CFG;
+
+ if (!intel_encoder_is_c10phy(encoder))
+ return;
+
+ if (master_lane)
+ val |= C10_VDR_CTRL_MASTER_LANE;
+
+ intel_cx0_rmw(encoder, lane_mask, PHY_C10_VDR_CONTROL(1),
+ 0, val, MB_WRITE_COMMITTED);
+}
+
void intel_cx0_phy_set_signal_levels(struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state)
{
struct intel_display *display = to_intel_display(encoder);
const struct intel_ddi_buf_trans *trans;
u8 owned_lane_mask;
- intel_wakeref_t wakeref;
+ struct ref_tracker *wakeref;
int n_entries, ln;
struct intel_digital_port *dig_port = enc_to_dig_port(encoder);
@@ -466,9 +498,9 @@ void intel_cx0_phy_set_signal_levels(struct intel_encoder *encoder,
return;
}
+ intel_c10_msgbus_access_begin(encoder, owned_lane_mask);
+
if (intel_encoder_is_c10phy(encoder)) {
- intel_cx0_rmw(encoder, owned_lane_mask, PHY_C10_VDR_CONTROL(1),
- 0, C10_VDR_CTRL_MSGBUS_ACCESS, MB_WRITE_COMMITTED);
intel_cx0_rmw(encoder, owned_lane_mask, PHY_C10_VDR_CMN(3),
C10_CMN3_TXVBOOST_MASK,
C10_CMN3_TXVBOOST(intel_c10_get_tx_vboost_lvl(crtc_state)),
@@ -507,9 +539,7 @@ void intel_cx0_phy_set_signal_levels(struct intel_encoder *encoder,
0, PHY_C10_VDR_OVRD_TX1 | PHY_C10_VDR_OVRD_TX2,
MB_WRITE_COMMITTED);
- if (intel_encoder_is_c10phy(encoder))
- intel_cx0_rmw(encoder, owned_lane_mask, PHY_C10_VDR_CONTROL(1),
- 0, C10_VDR_CTRL_UPDATE_CFG, MB_WRITE_COMMITTED);
+ intel_c10_msgbus_access_commit(encoder, owned_lane_mask, false);
intel_cx0_phy_transaction_end(encoder, wakeref);
}
@@ -522,7 +552,6 @@ void intel_cx0_phy_set_signal_levels(struct intel_encoder *encoder,
*/
static const struct intel_c10pll_state mtl_c10_dp_rbr = {
- .clock = 162000,
.tx = 0x10,
.cmn = 0x21,
.pll[0] = 0xB4,
@@ -548,7 +577,6 @@ static const struct intel_c10pll_state mtl_c10_dp_rbr = {
};
static const struct intel_c10pll_state mtl_c10_edp_r216 = {
- .clock = 216000,
.tx = 0x10,
.cmn = 0x21,
.pll[0] = 0x4,
@@ -574,7 +602,6 @@ static const struct intel_c10pll_state mtl_c10_edp_r216 = {
};
static const struct intel_c10pll_state mtl_c10_edp_r243 = {
- .clock = 243000,
.tx = 0x10,
.cmn = 0x21,
.pll[0] = 0x34,
@@ -600,7 +627,6 @@ static const struct intel_c10pll_state mtl_c10_edp_r243 = {
};
static const struct intel_c10pll_state mtl_c10_dp_hbr1 = {
- .clock = 270000,
.tx = 0x10,
.cmn = 0x21,
.pll[0] = 0xF4,
@@ -626,7 +652,6 @@ static const struct intel_c10pll_state mtl_c10_dp_hbr1 = {
};
static const struct intel_c10pll_state mtl_c10_edp_r324 = {
- .clock = 324000,
.tx = 0x10,
.cmn = 0x21,
.pll[0] = 0xB4,
@@ -652,7 +677,6 @@ static const struct intel_c10pll_state mtl_c10_edp_r324 = {
};
static const struct intel_c10pll_state mtl_c10_edp_r432 = {
- .clock = 432000,
.tx = 0x10,
.cmn = 0x21,
.pll[0] = 0x4,
@@ -678,7 +702,6 @@ static const struct intel_c10pll_state mtl_c10_edp_r432 = {
};
static const struct intel_c10pll_state mtl_c10_dp_hbr2 = {
- .clock = 540000,
.tx = 0x10,
.cmn = 0x21,
.pll[0] = 0xF4,
@@ -704,7 +727,6 @@ static const struct intel_c10pll_state mtl_c10_dp_hbr2 = {
};
static const struct intel_c10pll_state mtl_c10_edp_r675 = {
- .clock = 675000,
.tx = 0x10,
.cmn = 0x21,
.pll[0] = 0xB4,
@@ -730,7 +752,6 @@ static const struct intel_c10pll_state mtl_c10_edp_r675 = {
};
static const struct intel_c10pll_state mtl_c10_dp_hbr3 = {
- .clock = 810000,
.tx = 0x10,
.cmn = 0x21,
.pll[0] = 0x34,
@@ -755,30 +776,62 @@ static const struct intel_c10pll_state mtl_c10_dp_hbr3 = {
.pll[19] = 0x23,
};
-static const struct intel_c10pll_state * const mtl_c10_dp_tables[] = {
- &mtl_c10_dp_rbr,
- &mtl_c10_dp_hbr1,
- &mtl_c10_dp_hbr2,
- &mtl_c10_dp_hbr3,
- NULL,
+struct intel_cx0pll_params {
+ const char *name;
+ bool is_c10;
+ bool is_hdmi;
+ int clock_rate;
+ union {
+ const struct intel_c10pll_state *c10;
+ const struct intel_c20pll_state *c20;
+ };
};
-static const struct intel_c10pll_state * const mtl_c10_edp_tables[] = {
- &mtl_c10_dp_rbr,
- &mtl_c10_edp_r216,
- &mtl_c10_edp_r243,
- &mtl_c10_dp_hbr1,
- &mtl_c10_edp_r324,
- &mtl_c10_edp_r432,
- &mtl_c10_dp_hbr2,
- &mtl_c10_edp_r675,
- &mtl_c10_dp_hbr3,
- NULL,
+#define __C10PLL_PARAMS(__is_hdmi, __clock_rate, __state) { \
+ .name = __stringify(__state), \
+ .is_c10 = true, \
+ .is_hdmi = __is_hdmi, \
+ .clock_rate = __clock_rate, \
+ .c10 = &__state, \
+}
+
+#define __C20PLL_PARAMS(__is_hdmi, __clock_rate, __state) { \
+ .name = __stringify(__state), \
+ .is_c10 = false, \
+ .is_hdmi = __is_hdmi, \
+ .clock_rate = __clock_rate, \
+ .c20 = &__state, \
+}
+
+#define C10PLL_HDMI_PARAMS(__clock_rate, __state) __C10PLL_PARAMS(true, __clock_rate, __state)
+#define C10PLL_DP_PARAMS(__clock_rate, __state) __C10PLL_PARAMS(false, __clock_rate, __state)
+
+#define C20PLL_HDMI_PARAMS(__clock_rate, __state) __C20PLL_PARAMS(true, __clock_rate, __state)
+#define C20PLL_DP_PARAMS(__clock_rate, __state) __C20PLL_PARAMS(false, __clock_rate, __state)
+
+static const struct intel_cx0pll_params mtl_c10_dp_tables[] = {
+ C10PLL_DP_PARAMS(162000, mtl_c10_dp_rbr),
+ C10PLL_DP_PARAMS(270000, mtl_c10_dp_hbr1),
+ C10PLL_DP_PARAMS(540000, mtl_c10_dp_hbr2),
+ C10PLL_DP_PARAMS(810000, mtl_c10_dp_hbr3),
+ {}
+};
+
+static const struct intel_cx0pll_params mtl_c10_edp_tables[] = {
+ C10PLL_DP_PARAMS(162000, mtl_c10_dp_rbr),
+ C10PLL_DP_PARAMS(216000, mtl_c10_edp_r216),
+ C10PLL_DP_PARAMS(243000, mtl_c10_edp_r243),
+ C10PLL_DP_PARAMS(270000, mtl_c10_dp_hbr1),
+ C10PLL_DP_PARAMS(324000, mtl_c10_edp_r324),
+ C10PLL_DP_PARAMS(432000, mtl_c10_edp_r432),
+ C10PLL_DP_PARAMS(540000, mtl_c10_dp_hbr2),
+ C10PLL_DP_PARAMS(675000, mtl_c10_edp_r675),
+ C10PLL_DP_PARAMS(810000, mtl_c10_dp_hbr3),
+ {}
};
/* C20 basic DP 1.4 tables */
static const struct intel_c20pll_state mtl_c20_dp_rbr = {
- .clock = 162000,
.tx = { 0xbe88, /* tx cfg0 */
0x5800, /* tx cfg1 */
0x0000, /* tx cfg2 */
@@ -803,7 +856,6 @@ static const struct intel_c20pll_state mtl_c20_dp_rbr = {
};
static const struct intel_c20pll_state mtl_c20_dp_hbr1 = {
- .clock = 270000,
.tx = { 0xbe88, /* tx cfg0 */
0x4800, /* tx cfg1 */
0x0000, /* tx cfg2 */
@@ -828,7 +880,6 @@ static const struct intel_c20pll_state mtl_c20_dp_hbr1 = {
};
static const struct intel_c20pll_state mtl_c20_dp_hbr2 = {
- .clock = 540000,
.tx = { 0xbe88, /* tx cfg0 */
0x4800, /* tx cfg1 */
0x0000, /* tx cfg2 */
@@ -853,7 +904,6 @@ static const struct intel_c20pll_state mtl_c20_dp_hbr2 = {
};
static const struct intel_c20pll_state mtl_c20_dp_hbr3 = {
- .clock = 810000,
.tx = { 0xbe88, /* tx cfg0 */
0x4800, /* tx cfg1 */
0x0000, /* tx cfg2 */
@@ -879,7 +929,6 @@ static const struct intel_c20pll_state mtl_c20_dp_hbr3 = {
/* C20 basic DP 2.0 tables */
static const struct intel_c20pll_state mtl_c20_dp_uhbr10 = {
- .clock = 1000000, /* 10 Gbps */
.tx = { 0xbe21, /* tx cfg0 */
0xe800, /* tx cfg1 */
0x0000, /* tx cfg2 */
@@ -903,7 +952,6 @@ static const struct intel_c20pll_state mtl_c20_dp_uhbr10 = {
};
static const struct intel_c20pll_state mtl_c20_dp_uhbr13_5 = {
- .clock = 1350000, /* 13.5 Gbps */
.tx = { 0xbea0, /* tx cfg0 */
0x4800, /* tx cfg1 */
0x0000, /* tx cfg2 */
@@ -928,7 +976,6 @@ static const struct intel_c20pll_state mtl_c20_dp_uhbr13_5 = {
};
static const struct intel_c20pll_state mtl_c20_dp_uhbr20 = {
- .clock = 2000000, /* 20 Gbps */
.tx = { 0xbe20, /* tx cfg0 */
0x4800, /* tx cfg1 */
0x0000, /* tx cfg2 */
@@ -951,15 +998,15 @@ static const struct intel_c20pll_state mtl_c20_dp_uhbr20 = {
},
};
-static const struct intel_c20pll_state * const mtl_c20_dp_tables[] = {
- &mtl_c20_dp_rbr,
- &mtl_c20_dp_hbr1,
- &mtl_c20_dp_hbr2,
- &mtl_c20_dp_hbr3,
- &mtl_c20_dp_uhbr10,
- &mtl_c20_dp_uhbr13_5,
- &mtl_c20_dp_uhbr20,
- NULL,
+static const struct intel_cx0pll_params mtl_c20_dp_tables[] = {
+ C20PLL_DP_PARAMS(162000, mtl_c20_dp_rbr),
+ C20PLL_DP_PARAMS(270000, mtl_c20_dp_hbr1),
+ C20PLL_DP_PARAMS(540000, mtl_c20_dp_hbr2),
+ C20PLL_DP_PARAMS(810000, mtl_c20_dp_hbr3),
+ C20PLL_DP_PARAMS(1000000, mtl_c20_dp_uhbr10),
+ C20PLL_DP_PARAMS(1350000, mtl_c20_dp_uhbr13_5),
+ C20PLL_DP_PARAMS(2000000, mtl_c20_dp_uhbr20),
+ {}
};
/*
@@ -967,7 +1014,6 @@ static const struct intel_c20pll_state * const mtl_c20_dp_tables[] = {
*/
static const struct intel_c20pll_state xe2hpd_c20_edp_r216 = {
- .clock = 216000,
.tx = { 0xbe88,
0x4800,
0x0000,
@@ -992,7 +1038,6 @@ static const struct intel_c20pll_state xe2hpd_c20_edp_r216 = {
};
static const struct intel_c20pll_state xe2hpd_c20_edp_r243 = {
- .clock = 243000,
.tx = { 0xbe88,
0x4800,
0x0000,
@@ -1017,7 +1062,6 @@ static const struct intel_c20pll_state xe2hpd_c20_edp_r243 = {
};
static const struct intel_c20pll_state xe2hpd_c20_edp_r324 = {
- .clock = 324000,
.tx = { 0xbe88,
0x4800,
0x0000,
@@ -1042,7 +1086,6 @@ static const struct intel_c20pll_state xe2hpd_c20_edp_r324 = {
};
static const struct intel_c20pll_state xe2hpd_c20_edp_r432 = {
- .clock = 432000,
.tx = { 0xbe88,
0x4800,
0x0000,
@@ -1067,7 +1110,6 @@ static const struct intel_c20pll_state xe2hpd_c20_edp_r432 = {
};
static const struct intel_c20pll_state xe2hpd_c20_edp_r675 = {
- .clock = 675000,
.tx = { 0xbe88,
0x4800,
0x0000,
@@ -1091,21 +1133,20 @@ static const struct intel_c20pll_state xe2hpd_c20_edp_r675 = {
},
};
-static const struct intel_c20pll_state * const xe2hpd_c20_edp_tables[] = {
- &mtl_c20_dp_rbr,
- &xe2hpd_c20_edp_r216,
- &xe2hpd_c20_edp_r243,
- &mtl_c20_dp_hbr1,
- &xe2hpd_c20_edp_r324,
- &xe2hpd_c20_edp_r432,
- &mtl_c20_dp_hbr2,
- &xe2hpd_c20_edp_r675,
- &mtl_c20_dp_hbr3,
- NULL,
+static const struct intel_cx0pll_params xe2hpd_c20_edp_tables[] = {
+ C20PLL_DP_PARAMS(162000, mtl_c20_dp_rbr),
+ C20PLL_DP_PARAMS(216000, xe2hpd_c20_edp_r216),
+ C20PLL_DP_PARAMS(243000, xe2hpd_c20_edp_r243),
+ C20PLL_DP_PARAMS(270000, mtl_c20_dp_hbr1),
+ C20PLL_DP_PARAMS(324000, xe2hpd_c20_edp_r324),
+ C20PLL_DP_PARAMS(432000, xe2hpd_c20_edp_r432),
+ C20PLL_DP_PARAMS(540000, mtl_c20_dp_hbr2),
+ C20PLL_DP_PARAMS(675000, xe2hpd_c20_edp_r675),
+ C20PLL_DP_PARAMS(810000, mtl_c20_dp_hbr3),
+ {}
};
static const struct intel_c20pll_state xe2hpd_c20_dp_uhbr13_5 = {
- .clock = 1350000, /* 13.5 Gbps */
.tx = { 0xbea0, /* tx cfg0 */
0x4800, /* tx cfg1 */
0x0000, /* tx cfg2 */
@@ -1129,30 +1170,30 @@ static const struct intel_c20pll_state xe2hpd_c20_dp_uhbr13_5 = {
},
};
-static const struct intel_c20pll_state * const xe2hpd_c20_dp_tables[] = {
- &mtl_c20_dp_rbr,
- &mtl_c20_dp_hbr1,
- &mtl_c20_dp_hbr2,
- &mtl_c20_dp_hbr3,
- &mtl_c20_dp_uhbr10,
- &xe2hpd_c20_dp_uhbr13_5,
- NULL,
-};
-
-static const struct intel_c20pll_state * const xe3lpd_c20_dp_edp_tables[] = {
- &mtl_c20_dp_rbr,
- &xe2hpd_c20_edp_r216,
- &xe2hpd_c20_edp_r243,
- &mtl_c20_dp_hbr1,
- &xe2hpd_c20_edp_r324,
- &xe2hpd_c20_edp_r432,
- &mtl_c20_dp_hbr2,
- &xe2hpd_c20_edp_r675,
- &mtl_c20_dp_hbr3,
- &mtl_c20_dp_uhbr10,
- &xe2hpd_c20_dp_uhbr13_5,
- &mtl_c20_dp_uhbr20,
- NULL,
+static const struct intel_cx0pll_params xe2hpd_c20_dp_tables[] = {
+ C20PLL_DP_PARAMS(162000, mtl_c20_dp_rbr),
+ C20PLL_DP_PARAMS(270000, mtl_c20_dp_hbr1),
+ C20PLL_DP_PARAMS(540000, mtl_c20_dp_hbr2),
+ C20PLL_DP_PARAMS(810000, mtl_c20_dp_hbr3),
+ C20PLL_DP_PARAMS(1000000, mtl_c20_dp_uhbr10),
+ C20PLL_DP_PARAMS(1350000, xe2hpd_c20_dp_uhbr13_5),
+ {}
+};
+
+static const struct intel_cx0pll_params xe3lpd_c20_dp_edp_tables[] = {
+ C20PLL_DP_PARAMS(162000, mtl_c20_dp_rbr),
+ C20PLL_DP_PARAMS(216000, xe2hpd_c20_edp_r216),
+ C20PLL_DP_PARAMS(243000, xe2hpd_c20_edp_r243),
+ C20PLL_DP_PARAMS(270000, mtl_c20_dp_hbr1),
+ C20PLL_DP_PARAMS(324000, xe2hpd_c20_edp_r324),
+ C20PLL_DP_PARAMS(432000, xe2hpd_c20_edp_r432),
+ C20PLL_DP_PARAMS(540000, mtl_c20_dp_hbr2),
+ C20PLL_DP_PARAMS(675000, xe2hpd_c20_edp_r675),
+ C20PLL_DP_PARAMS(810000, mtl_c20_dp_hbr3),
+ C20PLL_DP_PARAMS(1000000, mtl_c20_dp_uhbr10),
+ C20PLL_DP_PARAMS(1350000, xe2hpd_c20_dp_uhbr13_5),
+ C20PLL_DP_PARAMS(2000000, mtl_c20_dp_uhbr20),
+ {}
};
/*
@@ -1160,7 +1201,6 @@ static const struct intel_c20pll_state * const xe3lpd_c20_dp_edp_tables[] = {
*/
static const struct intel_c10pll_state mtl_c10_hdmi_25_2 = {
- .clock = 25200,
.tx = 0x10,
.cmn = 0x1,
.pll[0] = 0x4,
@@ -1186,7 +1226,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_25_2 = {
};
static const struct intel_c10pll_state mtl_c10_hdmi_27_0 = {
- .clock = 27000,
.tx = 0x10,
.cmn = 0x1,
.pll[0] = 0x34,
@@ -1212,7 +1251,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_27_0 = {
};
static const struct intel_c10pll_state mtl_c10_hdmi_74_25 = {
- .clock = 74250,
.tx = 0x10,
.cmn = 0x1,
.pll[0] = 0xF4,
@@ -1238,7 +1276,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_74_25 = {
};
static const struct intel_c10pll_state mtl_c10_hdmi_148_5 = {
- .clock = 148500,
.tx = 0x10,
.cmn = 0x1,
.pll[0] = 0xF4,
@@ -1264,7 +1301,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_148_5 = {
};
static const struct intel_c10pll_state mtl_c10_hdmi_594 = {
- .clock = 594000,
.tx = 0x10,
.cmn = 0x1,
.pll[0] = 0xF4,
@@ -1291,7 +1327,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_594 = {
/* Precomputed C10 HDMI PLL tables */
static const struct intel_c10pll_state mtl_c10_hdmi_27027 = {
- .clock = 27027,
.tx = 0x10,
.cmn = 0x1,
.pll[0] = 0x34, .pll[1] = 0x00, .pll[2] = 0xC0, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1301,7 +1336,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_27027 = {
};
static const struct intel_c10pll_state mtl_c10_hdmi_28320 = {
- .clock = 28320,
.tx = 0x10,
.cmn = 0x1,
.pll[0] = 0x04, .pll[1] = 0x00, .pll[2] = 0xCC, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1311,7 +1345,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_28320 = {
};
static const struct intel_c10pll_state mtl_c10_hdmi_30240 = {
- .clock = 30240,
.tx = 0x10,
.cmn = 0x1,
.pll[0] = 0x04, .pll[1] = 0x00, .pll[2] = 0xDC, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1321,7 +1354,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_30240 = {
};
static const struct intel_c10pll_state mtl_c10_hdmi_31500 = {
- .clock = 31500,
.tx = 0x10,
.cmn = 0x1,
.pll[0] = 0xF4, .pll[1] = 0x00, .pll[2] = 0x62, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1331,7 +1363,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_31500 = {
};
static const struct intel_c10pll_state mtl_c10_hdmi_36000 = {
- .clock = 36000,
.tx = 0x10,
.cmn = 0x1,
.pll[0] = 0xC4, .pll[1] = 0x00, .pll[2] = 0x76, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1341,7 +1372,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_36000 = {
};
static const struct intel_c10pll_state mtl_c10_hdmi_40000 = {
- .clock = 40000,
.tx = 0x10,
.cmn = 0x1,
.pll[0] = 0xB4, .pll[1] = 0x00, .pll[2] = 0x86, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1351,7 +1381,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_40000 = {
};
static const struct intel_c10pll_state mtl_c10_hdmi_49500 = {
- .clock = 49500,
.tx = 0x10,
.cmn = 0x1,
.pll[0] = 0x74, .pll[1] = 0x00, .pll[2] = 0xAE, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1361,7 +1390,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_49500 = {
};
static const struct intel_c10pll_state mtl_c10_hdmi_50000 = {
- .clock = 50000,
.tx = 0x10,
.cmn = 0x1,
.pll[0] = 0x74, .pll[1] = 0x00, .pll[2] = 0xB0, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1371,7 +1399,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_50000 = {
};
static const struct intel_c10pll_state mtl_c10_hdmi_57284 = {
- .clock = 57284,
.tx = 0x10,
.cmn = 0x1,
.pll[0] = 0x34, .pll[1] = 0x00, .pll[2] = 0xCE, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1381,7 +1408,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_57284 = {
};
static const struct intel_c10pll_state mtl_c10_hdmi_58000 = {
- .clock = 58000,
.tx = 0x10,
.cmn = 0x1,
.pll[0] = 0x34, .pll[1] = 0x00, .pll[2] = 0xD0, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1391,7 +1417,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_58000 = {
};
static const struct intel_c10pll_state mtl_c10_hdmi_65000 = {
- .clock = 65000,
.tx = 0x10,
.cmn = 0x1,
.pll[0] = 0xF4, .pll[1] = 0x00, .pll[2] = 0x66, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1401,7 +1426,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_65000 = {
};
static const struct intel_c10pll_state mtl_c10_hdmi_71000 = {
- .clock = 71000,
.tx = 0x10,
.cmn = 0x1,
.pll[0] = 0xF4, .pll[1] = 0x00, .pll[2] = 0x72, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1411,7 +1435,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_71000 = {
};
static const struct intel_c10pll_state mtl_c10_hdmi_74176 = {
- .clock = 74176,
.tx = 0x10,
.cmn = 0x1,
.pll[0] = 0xF4, .pll[1] = 0x00, .pll[2] = 0x7A, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1421,7 +1444,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_74176 = {
};
static const struct intel_c10pll_state mtl_c10_hdmi_75000 = {
- .clock = 75000,
.tx = 0x10,
.cmn = 0x1,
.pll[0] = 0xF4, .pll[1] = 0x00, .pll[2] = 0x7C, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1431,7 +1453,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_75000 = {
};
static const struct intel_c10pll_state mtl_c10_hdmi_78750 = {
- .clock = 78750,
.tx = 0x10,
.cmn = 0x1,
.pll[0] = 0xB4, .pll[1] = 0x00, .pll[2] = 0x84, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1441,7 +1462,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_78750 = {
};
static const struct intel_c10pll_state mtl_c10_hdmi_85500 = {
- .clock = 85500,
.tx = 0x10,
.cmn = 0x1,
.pll[0] = 0xB4, .pll[1] = 0x00, .pll[2] = 0x92, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1451,7 +1471,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_85500 = {
};
static const struct intel_c10pll_state mtl_c10_hdmi_88750 = {
- .clock = 88750,
.tx = 0x10,
.cmn = 0x1,
.pll[0] = 0x74, .pll[1] = 0x00, .pll[2] = 0x98, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1461,7 +1480,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_88750 = {
};
static const struct intel_c10pll_state mtl_c10_hdmi_106500 = {
- .clock = 106500,
.tx = 0x10,
.cmn = 0x1,
.pll[0] = 0x34, .pll[1] = 0x00, .pll[2] = 0xBC, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1471,7 +1489,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_106500 = {
};
static const struct intel_c10pll_state mtl_c10_hdmi_108000 = {
- .clock = 108000,
.tx = 0x10,
.cmn = 0x1,
.pll[0] = 0x34, .pll[1] = 0x00, .pll[2] = 0xC0, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1481,7 +1498,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_108000 = {
};
static const struct intel_c10pll_state mtl_c10_hdmi_115500 = {
- .clock = 115500,
.tx = 0x10,
.cmn = 0x1,
.pll[0] = 0x34, .pll[1] = 0x00, .pll[2] = 0xD0, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1491,7 +1507,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_115500 = {
};
static const struct intel_c10pll_state mtl_c10_hdmi_119000 = {
- .clock = 119000,
.tx = 0x10,
.cmn = 0x1,
.pll[0] = 0x34, .pll[1] = 0x00, .pll[2] = 0xD6, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1501,7 +1516,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_119000 = {
};
static const struct intel_c10pll_state mtl_c10_hdmi_135000 = {
- .clock = 135000,
.tx = 0x10,
.cmn = 0x1,
.pll[0] = 0xF4, .pll[1] = 0x00, .pll[2] = 0x6C, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1511,7 +1525,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_135000 = {
};
static const struct intel_c10pll_state mtl_c10_hdmi_138500 = {
- .clock = 138500,
.tx = 0x10,
.cmn = 0x1,
.pll[0] = 0xF4, .pll[1] = 0x00, .pll[2] = 0x70, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1521,7 +1534,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_138500 = {
};
static const struct intel_c10pll_state mtl_c10_hdmi_147160 = {
- .clock = 147160,
.tx = 0x10,
.cmn = 0x1,
.pll[0] = 0xF4, .pll[1] = 0x00, .pll[2] = 0x78, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1531,7 +1543,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_147160 = {
};
static const struct intel_c10pll_state mtl_c10_hdmi_148352 = {
- .clock = 148352,
.tx = 0x10,
.cmn = 0x1,
.pll[0] = 0xF4, .pll[1] = 0x00, .pll[2] = 0x7A, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1541,7 +1552,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_148352 = {
};
static const struct intel_c10pll_state mtl_c10_hdmi_154000 = {
- .clock = 154000,
.tx = 0x10,
.cmn = 0x1,
.pll[0] = 0xB4, .pll[1] = 0x00, .pll[2] = 0x80, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1551,7 +1561,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_154000 = {
};
static const struct intel_c10pll_state mtl_c10_hdmi_162000 = {
- .clock = 162000,
.tx = 0x10,
.cmn = 0x1,
.pll[0] = 0xB4, .pll[1] = 0x00, .pll[2] = 0x88, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1561,7 +1570,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_162000 = {
};
static const struct intel_c10pll_state mtl_c10_hdmi_167000 = {
- .clock = 167000,
.tx = 0x10,
.cmn = 0x1,
.pll[0] = 0xB4, .pll[1] = 0x00, .pll[2] = 0x8C, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1571,7 +1579,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_167000 = {
};
static const struct intel_c10pll_state mtl_c10_hdmi_197802 = {
- .clock = 197802,
.tx = 0x10,
.cmn = 0x1,
.pll[0] = 0x74, .pll[1] = 0x00, .pll[2] = 0xAE, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1581,7 +1588,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_197802 = {
};
static const struct intel_c10pll_state mtl_c10_hdmi_198000 = {
- .clock = 198000,
.tx = 0x10,
.cmn = 0x1,
.pll[0] = 0x74, .pll[1] = 0x00, .pll[2] = 0xAE, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1591,7 +1597,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_198000 = {
};
static const struct intel_c10pll_state mtl_c10_hdmi_209800 = {
- .clock = 209800,
.tx = 0x10,
.cmn = 0x1,
.pll[0] = 0x34, .pll[1] = 0x00, .pll[2] = 0xBA, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1601,7 +1606,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_209800 = {
};
static const struct intel_c10pll_state mtl_c10_hdmi_241500 = {
- .clock = 241500,
.tx = 0x10,
.cmn = 0x1,
.pll[0] = 0x34, .pll[1] = 0x00, .pll[2] = 0xDA, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1611,7 +1615,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_241500 = {
};
static const struct intel_c10pll_state mtl_c10_hdmi_262750 = {
- .clock = 262750,
.tx = 0x10,
.cmn = 0x1,
.pll[0] = 0xF4, .pll[1] = 0x00, .pll[2] = 0x68, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1621,7 +1624,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_262750 = {
};
static const struct intel_c10pll_state mtl_c10_hdmi_268500 = {
- .clock = 268500,
.tx = 0x10,
.cmn = 0x1,
.pll[0] = 0xF4, .pll[1] = 0x00, .pll[2] = 0x6A, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1631,7 +1633,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_268500 = {
};
static const struct intel_c10pll_state mtl_c10_hdmi_296703 = {
- .clock = 296703,
.tx = 0x10,
.cmn = 0x1,
.pll[0] = 0xF4, .pll[1] = 0x00, .pll[2] = 0x7A, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1641,7 +1642,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_296703 = {
};
static const struct intel_c10pll_state mtl_c10_hdmi_297000 = {
- .clock = 297000,
.tx = 0x10,
.cmn = 0x1,
.pll[0] = 0xF4, .pll[1] = 0x00, .pll[2] = 0x7A, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1651,7 +1651,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_297000 = {
};
static const struct intel_c10pll_state mtl_c10_hdmi_319750 = {
- .clock = 319750,
.tx = 0x10,
.cmn = 0x1,
.pll[0] = 0xB4, .pll[1] = 0x00, .pll[2] = 0x86, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1661,7 +1660,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_319750 = {
};
static const struct intel_c10pll_state mtl_c10_hdmi_497750 = {
- .clock = 497750,
.tx = 0x10,
.cmn = 0x1,
.pll[0] = 0x34, .pll[1] = 0x00, .pll[2] = 0xE2, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1671,7 +1669,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_497750 = {
};
static const struct intel_c10pll_state mtl_c10_hdmi_592000 = {
- .clock = 592000,
.tx = 0x10,
.cmn = 0x1,
.pll[0] = 0xF4, .pll[1] = 0x00, .pll[2] = 0x7A, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1681,7 +1678,6 @@ static const struct intel_c10pll_state mtl_c10_hdmi_592000 = {
};
static const struct intel_c10pll_state mtl_c10_hdmi_593407 = {
- .clock = 593407,
.tx = 0x10,
.cmn = 0x1,
.pll[0] = 0xF4, .pll[1] = 0x00, .pll[2] = 0x7A, .pll[3] = 0x00, .pll[4] = 0x00,
@@ -1690,82 +1686,56 @@ static const struct intel_c10pll_state mtl_c10_hdmi_593407 = {
.pll[15] = 0x08, .pll[16] = 0x08, .pll[17] = 0x8F, .pll[18] = 0x84, .pll[19] = 0x23,
};
-static const struct intel_c10pll_state * const mtl_c10_hdmi_tables[] = {
- &mtl_c10_hdmi_25_2, /* Consolidated Table */
- &mtl_c10_hdmi_27_0, /* Consolidated Table */
- &mtl_c10_hdmi_27027,
- &mtl_c10_hdmi_28320,
- &mtl_c10_hdmi_30240,
- &mtl_c10_hdmi_31500,
- &mtl_c10_hdmi_36000,
- &mtl_c10_hdmi_40000,
- &mtl_c10_hdmi_49500,
- &mtl_c10_hdmi_50000,
- &mtl_c10_hdmi_57284,
- &mtl_c10_hdmi_58000,
- &mtl_c10_hdmi_65000,
- &mtl_c10_hdmi_71000,
- &mtl_c10_hdmi_74176,
- &mtl_c10_hdmi_74_25, /* Consolidated Table */
- &mtl_c10_hdmi_75000,
- &mtl_c10_hdmi_78750,
- &mtl_c10_hdmi_85500,
- &mtl_c10_hdmi_88750,
- &mtl_c10_hdmi_106500,
- &mtl_c10_hdmi_108000,
- &mtl_c10_hdmi_115500,
- &mtl_c10_hdmi_119000,
- &mtl_c10_hdmi_135000,
- &mtl_c10_hdmi_138500,
- &mtl_c10_hdmi_147160,
- &mtl_c10_hdmi_148352,
- &mtl_c10_hdmi_148_5, /* Consolidated Table */
- &mtl_c10_hdmi_154000,
- &mtl_c10_hdmi_162000,
- &mtl_c10_hdmi_167000,
- &mtl_c10_hdmi_197802,
- &mtl_c10_hdmi_198000,
- &mtl_c10_hdmi_209800,
- &mtl_c10_hdmi_241500,
- &mtl_c10_hdmi_262750,
- &mtl_c10_hdmi_268500,
- &mtl_c10_hdmi_296703,
- &mtl_c10_hdmi_297000,
- &mtl_c10_hdmi_319750,
- &mtl_c10_hdmi_497750,
- &mtl_c10_hdmi_592000,
- &mtl_c10_hdmi_593407,
- &mtl_c10_hdmi_594, /* Consolidated Table */
- NULL,
-};
-
-static const struct intel_c20pll_state mtl_c20_hdmi_25_175 = {
- .clock = 25175,
- .tx = { 0xbe88, /* tx cfg0 */
- 0x9800, /* tx cfg1 */
- 0x0000, /* tx cfg2 */
- },
- .cmn = { 0x0500, /* cmn cfg0*/
- 0x0005, /* cmn cfg1 */
- 0x0000, /* cmn cfg2 */
- 0x0000, /* cmn cfg3 */
- },
- .mpllb = { 0xa0d2, /* mpllb cfg0 */
- 0x7d80, /* mpllb cfg1 */
- 0x0906, /* mpllb cfg2 */
- 0xbe40, /* mpllb cfg3 */
- 0x0000, /* mpllb cfg4 */
- 0x0000, /* mpllb cfg5 */
- 0x0200, /* mpllb cfg6 */
- 0x0001, /* mpllb cfg7 */
- 0x0000, /* mpllb cfg8 */
- 0x0000, /* mpllb cfg9 */
- 0x0001, /* mpllb cfg10 */
- },
+static const struct intel_cx0pll_params mtl_c10_hdmi_tables[] = {
+ C10PLL_HDMI_PARAMS(25200, mtl_c10_hdmi_25_2), /* Consolidated Table */
+ C10PLL_HDMI_PARAMS(27000, mtl_c10_hdmi_27_0), /* Consolidated Table */
+ C10PLL_HDMI_PARAMS(27027, mtl_c10_hdmi_27027),
+ C10PLL_HDMI_PARAMS(28320, mtl_c10_hdmi_28320),
+ C10PLL_HDMI_PARAMS(30240, mtl_c10_hdmi_30240),
+ C10PLL_HDMI_PARAMS(31500, mtl_c10_hdmi_31500),
+ C10PLL_HDMI_PARAMS(36000, mtl_c10_hdmi_36000),
+ C10PLL_HDMI_PARAMS(40000, mtl_c10_hdmi_40000),
+ C10PLL_HDMI_PARAMS(49500, mtl_c10_hdmi_49500),
+ C10PLL_HDMI_PARAMS(50000, mtl_c10_hdmi_50000),
+ C10PLL_HDMI_PARAMS(57284, mtl_c10_hdmi_57284),
+ C10PLL_HDMI_PARAMS(58000, mtl_c10_hdmi_58000),
+ C10PLL_HDMI_PARAMS(65000, mtl_c10_hdmi_65000),
+ C10PLL_HDMI_PARAMS(71000, mtl_c10_hdmi_71000),
+ C10PLL_HDMI_PARAMS(74176, mtl_c10_hdmi_74176),
+ C10PLL_HDMI_PARAMS(74250, mtl_c10_hdmi_74_25), /* Consolidated Table */
+ C10PLL_HDMI_PARAMS(75000, mtl_c10_hdmi_75000),
+ C10PLL_HDMI_PARAMS(78750, mtl_c10_hdmi_78750),
+ C10PLL_HDMI_PARAMS(85500, mtl_c10_hdmi_85500),
+ C10PLL_HDMI_PARAMS(88750, mtl_c10_hdmi_88750),
+ C10PLL_HDMI_PARAMS(106500, mtl_c10_hdmi_106500),
+ C10PLL_HDMI_PARAMS(108000, mtl_c10_hdmi_108000),
+ C10PLL_HDMI_PARAMS(115500, mtl_c10_hdmi_115500),
+ C10PLL_HDMI_PARAMS(119000, mtl_c10_hdmi_119000),
+ C10PLL_HDMI_PARAMS(135000, mtl_c10_hdmi_135000),
+ C10PLL_HDMI_PARAMS(138500, mtl_c10_hdmi_138500),
+ C10PLL_HDMI_PARAMS(147160, mtl_c10_hdmi_147160),
+ C10PLL_HDMI_PARAMS(148352, mtl_c10_hdmi_148352),
+ C10PLL_HDMI_PARAMS(148500, mtl_c10_hdmi_148_5), /* Consolidated Table */
+ C10PLL_HDMI_PARAMS(154000, mtl_c10_hdmi_154000),
+ C10PLL_HDMI_PARAMS(162000, mtl_c10_hdmi_162000),
+ C10PLL_HDMI_PARAMS(167000, mtl_c10_hdmi_167000),
+ C10PLL_HDMI_PARAMS(197802, mtl_c10_hdmi_197802),
+ C10PLL_HDMI_PARAMS(198000, mtl_c10_hdmi_198000),
+ C10PLL_HDMI_PARAMS(209800, mtl_c10_hdmi_209800),
+ C10PLL_HDMI_PARAMS(241500, mtl_c10_hdmi_241500),
+ C10PLL_HDMI_PARAMS(262750, mtl_c10_hdmi_262750),
+ C10PLL_HDMI_PARAMS(268500, mtl_c10_hdmi_268500),
+ C10PLL_HDMI_PARAMS(296703, mtl_c10_hdmi_296703),
+ C10PLL_HDMI_PARAMS(297000, mtl_c10_hdmi_297000),
+ C10PLL_HDMI_PARAMS(319750, mtl_c10_hdmi_319750),
+ C10PLL_HDMI_PARAMS(497750, mtl_c10_hdmi_497750),
+ C10PLL_HDMI_PARAMS(592000, mtl_c10_hdmi_592000),
+ C10PLL_HDMI_PARAMS(593407, mtl_c10_hdmi_593407),
+ C10PLL_HDMI_PARAMS(594000, mtl_c10_hdmi_594), /* Consolidated Table */
+ {}
};
static const struct intel_c20pll_state mtl_c20_hdmi_27_0 = {
- .clock = 27000,
.tx = { 0xbe88, /* tx cfg0 */
0x9800, /* tx cfg1 */
0x0000, /* tx cfg2 */
@@ -1790,7 +1760,6 @@ static const struct intel_c20pll_state mtl_c20_hdmi_27_0 = {
};
static const struct intel_c20pll_state mtl_c20_hdmi_74_25 = {
- .clock = 74250,
.tx = { 0xbe88, /* tx cfg0 */
0x9800, /* tx cfg1 */
0x0000, /* tx cfg2 */
@@ -1815,7 +1784,6 @@ static const struct intel_c20pll_state mtl_c20_hdmi_74_25 = {
};
static const struct intel_c20pll_state mtl_c20_hdmi_148_5 = {
- .clock = 148500,
.tx = { 0xbe88, /* tx cfg0 */
0x9800, /* tx cfg1 */
0x0000, /* tx cfg2 */
@@ -1840,7 +1808,6 @@ static const struct intel_c20pll_state mtl_c20_hdmi_148_5 = {
};
static const struct intel_c20pll_state mtl_c20_hdmi_594 = {
- .clock = 594000,
.tx = { 0xbe88, /* tx cfg0 */
0x9800, /* tx cfg1 */
0x0000, /* tx cfg2 */
@@ -1865,7 +1832,6 @@ static const struct intel_c20pll_state mtl_c20_hdmi_594 = {
};
static const struct intel_c20pll_state mtl_c20_hdmi_300 = {
- .clock = 3000000,
.tx = { 0xbe98, /* tx cfg0 */
0x8800, /* tx cfg1 */
0x0000, /* tx cfg2 */
@@ -1890,7 +1856,6 @@ static const struct intel_c20pll_state mtl_c20_hdmi_300 = {
};
static const struct intel_c20pll_state mtl_c20_hdmi_600 = {
- .clock = 6000000,
.tx = { 0xbe98, /* tx cfg0 */
0x8800, /* tx cfg1 */
0x0000, /* tx cfg2 */
@@ -1915,7 +1880,6 @@ static const struct intel_c20pll_state mtl_c20_hdmi_600 = {
};
static const struct intel_c20pll_state mtl_c20_hdmi_800 = {
- .clock = 8000000,
.tx = { 0xbe98, /* tx cfg0 */
0x8800, /* tx cfg1 */
0x0000, /* tx cfg2 */
@@ -1940,7 +1904,6 @@ static const struct intel_c20pll_state mtl_c20_hdmi_800 = {
};
static const struct intel_c20pll_state mtl_c20_hdmi_1000 = {
- .clock = 10000000,
.tx = { 0xbe98, /* tx cfg0 */
0x8800, /* tx cfg1 */
0x0000, /* tx cfg2 */
@@ -1965,7 +1928,6 @@ static const struct intel_c20pll_state mtl_c20_hdmi_1000 = {
};
static const struct intel_c20pll_state mtl_c20_hdmi_1200 = {
- .clock = 12000000,
.tx = { 0xbe98, /* tx cfg0 */
0x8800, /* tx cfg1 */
0x0000, /* tx cfg2 */
@@ -1989,35 +1951,21 @@ static const struct intel_c20pll_state mtl_c20_hdmi_1200 = {
},
};
-static const struct intel_c20pll_state * const mtl_c20_hdmi_tables[] = {
- &mtl_c20_hdmi_25_175,
- &mtl_c20_hdmi_27_0,
- &mtl_c20_hdmi_74_25,
- &mtl_c20_hdmi_148_5,
- &mtl_c20_hdmi_594,
- &mtl_c20_hdmi_300,
- &mtl_c20_hdmi_600,
- &mtl_c20_hdmi_800,
- &mtl_c20_hdmi_1000,
- &mtl_c20_hdmi_1200,
- NULL,
+static const struct intel_cx0pll_params mtl_c20_hdmi_tables[] = {
+ C20PLL_HDMI_PARAMS(27000, mtl_c20_hdmi_27_0),
+ C20PLL_HDMI_PARAMS(74250, mtl_c20_hdmi_74_25),
+ C20PLL_HDMI_PARAMS(148500, mtl_c20_hdmi_148_5),
+ C20PLL_HDMI_PARAMS(594000, mtl_c20_hdmi_594),
+ C20PLL_HDMI_PARAMS(300000, mtl_c20_hdmi_300),
+ C20PLL_HDMI_PARAMS(600000, mtl_c20_hdmi_600),
+ C20PLL_HDMI_PARAMS(800000, mtl_c20_hdmi_800),
+ C20PLL_HDMI_PARAMS(1000000, mtl_c20_hdmi_1000),
+ C20PLL_HDMI_PARAMS(1200000, mtl_c20_hdmi_1200),
+ {}
};
-static int intel_c10_phy_check_hdmi_link_rate(int clock)
-{
- const struct intel_c10pll_state * const *tables = mtl_c10_hdmi_tables;
- int i;
-
- for (i = 0; tables[i]; i++) {
- if (clock == tables[i]->clock)
- return MODE_OK;
- }
-
- return MODE_CLOCK_RANGE;
-}
-
-static const struct intel_c10pll_state * const *
-intel_c10pll_tables_get(struct intel_crtc_state *crtc_state,
+static const struct intel_cx0pll_params *
+intel_c10pll_tables_get(const struct intel_crtc_state *crtc_state,
struct intel_encoder *encoder)
{
if (intel_crtc_has_dp_encoder(crtc_state)) {
@@ -2033,45 +1981,164 @@ intel_c10pll_tables_get(struct intel_crtc_state *crtc_state,
return NULL;
}
-static void intel_c10pll_update_pll(struct intel_crtc_state *crtc_state,
- struct intel_encoder *encoder)
+static void intel_cx0pll_update_ssc(struct intel_encoder *encoder,
+ struct intel_cx0pll_state *pll_state, bool is_dp)
{
struct intel_display *display = to_intel_display(encoder);
- struct intel_cx0pll_state *pll_state = &crtc_state->dpll_hw_state.cx0pll;
- int i;
- if (intel_crtc_has_dp_encoder(crtc_state)) {
+ if (is_dp) {
if (intel_panel_use_ssc(display)) {
struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
-
pll_state->ssc_enabled =
(intel_dp->dpcd[DP_MAX_DOWNSPREAD] & DP_MAX_DOWNSPREAD_0_5);
}
}
+}
+
+#define C10_PLL_SSC_REG_START_IDX 4
+#define C10_PLL_SSC_REG_COUNT 5
+
+static bool intel_c10pll_ssc_enabled(const struct intel_c10pll_state *pll_state)
+{
+ return memchr_inv(&pll_state->pll[C10_PLL_SSC_REG_START_IDX],
+ 0, sizeof(pll_state->pll[0]) * C10_PLL_SSC_REG_COUNT);
+}
+
+static void intel_c10pll_update_pll(struct intel_encoder *encoder,
+ struct intel_cx0pll_state *pll_state)
+{
+ struct intel_display *display = to_intel_display(encoder);
+ int i;
if (pll_state->ssc_enabled)
return;
- drm_WARN_ON(display->drm, ARRAY_SIZE(pll_state->c10.pll) < 9);
- for (i = 4; i < 9; i++)
+ drm_WARN_ON(display->drm, ARRAY_SIZE(pll_state->c10.pll) <
+ C10_PLL_SSC_REG_START_IDX + C10_PLL_SSC_REG_COUNT);
+ for (i = C10_PLL_SSC_REG_START_IDX;
+ i < C10_PLL_SSC_REG_START_IDX + C10_PLL_SSC_REG_COUNT;
+ i++)
pll_state->c10.pll[i] = 0;
}
-static int intel_c10pll_calc_state(struct intel_crtc_state *crtc_state,
- struct intel_encoder *encoder)
+static bool c10pll_state_is_dp(const struct intel_c10pll_state *pll_state)
+{
+ return !REG_FIELD_GET8(C10_PLL15_HDMIDIV_MASK, pll_state->pll[15]);
+}
+
+static bool c20pll_state_is_dp(const struct intel_c20pll_state *pll_state)
+{
+ return pll_state->vdr.serdes_rate & PHY_C20_IS_DP;
+}
+
+static bool cx0pll_state_is_dp(const struct intel_cx0pll_state *pll_state)
+{
+ if (pll_state->use_c10)
+ return c10pll_state_is_dp(&pll_state->c10);
+
+ return c20pll_state_is_dp(&pll_state->c20);
+}
+
+static int intel_c10pll_calc_port_clock(const struct intel_c10pll_state *pll_state)
+{
+ unsigned int frac_quot = 0, frac_rem = 0, frac_den = 1;
+ unsigned int multiplier, tx_clk_div, hdmi_div, refclk = 38400;
+ int tmpclk = 0;
+
+ if (pll_state->pll[0] & C10_PLL0_FRACEN) {
+ frac_quot = pll_state->pll[12] << 8 | pll_state->pll[11];
+ frac_rem = pll_state->pll[14] << 8 | pll_state->pll[13];
+ frac_den = pll_state->pll[10] << 8 | pll_state->pll[9];
+ }
+
+ multiplier = (REG_FIELD_GET8(C10_PLL3_MULTIPLIERH_MASK, pll_state->pll[3]) << 8 |
+ pll_state->pll[2]) / 2 + 16;
+
+ tx_clk_div = REG_FIELD_GET8(C10_PLL15_TXCLKDIV_MASK, pll_state->pll[15]);
+ hdmi_div = REG_FIELD_GET8(C10_PLL15_HDMIDIV_MASK, pll_state->pll[15]);
+
+ tmpclk = DIV_ROUND_CLOSEST_ULL(mul_u32_u32(refclk, (multiplier << 16) + frac_quot) +
+ DIV_ROUND_CLOSEST(refclk * frac_rem, frac_den),
+ 10 << (tx_clk_div + 16));
+ tmpclk *= (hdmi_div ? 2 : 1);
+
+ return tmpclk;
+}
+
+static bool intel_c20phy_use_mpllb(const struct intel_c20pll_state *state)
+{
+ return state->tx[0] & C20_PHY_USE_MPLLB;
+}
+
+static int intel_c20pll_calc_port_clock(const struct intel_c20pll_state *pll_state)
+{
+ unsigned int frac, frac_en, frac_quot, frac_rem, frac_den;
+ unsigned int multiplier, refclk = 38400;
+ unsigned int tx_clk_div;
+ unsigned int ref_clk_mpllb_div;
+ unsigned int fb_clk_div4_en;
+ unsigned int ref, vco;
+ unsigned int tx_rate_mult;
+ unsigned int tx_rate = REG_FIELD_GET(C20_PHY_TX_RATE, pll_state->tx[0]);
+
+ if (intel_c20phy_use_mpllb(pll_state)) {
+ tx_rate_mult = 1;
+ frac_en = REG_FIELD_GET(C20_MPLLB_FRACEN, pll_state->mpllb[6]);
+ frac_quot = pll_state->mpllb[8];
+ frac_rem = pll_state->mpllb[9];
+ frac_den = pll_state->mpllb[7];
+ multiplier = REG_FIELD_GET(C20_MULTIPLIER_MASK, pll_state->mpllb[0]);
+ tx_clk_div = REG_FIELD_GET(C20_MPLLB_TX_CLK_DIV_MASK, pll_state->mpllb[0]);
+ ref_clk_mpllb_div = REG_FIELD_GET(C20_REF_CLK_MPLLB_DIV_MASK, pll_state->mpllb[6]);
+ fb_clk_div4_en = 0;
+ } else {
+ tx_rate_mult = 2;
+ frac_en = REG_FIELD_GET(C20_MPLLA_FRACEN, pll_state->mplla[6]);
+ frac_quot = pll_state->mplla[8];
+ frac_rem = pll_state->mplla[9];
+ frac_den = pll_state->mplla[7];
+ multiplier = REG_FIELD_GET(C20_MULTIPLIER_MASK, pll_state->mplla[0]);
+ tx_clk_div = REG_FIELD_GET(C20_MPLLA_TX_CLK_DIV_MASK, pll_state->mplla[1]);
+ ref_clk_mpllb_div = REG_FIELD_GET(C20_REF_CLK_MPLLB_DIV_MASK, pll_state->mplla[6]);
+ fb_clk_div4_en = REG_FIELD_GET(C20_FB_CLK_DIV4_EN, pll_state->mplla[0]);
+ }
+
+ if (frac_en)
+ frac = frac_quot + DIV_ROUND_CLOSEST(frac_rem, frac_den);
+ else
+ frac = 0;
+
+ ref = DIV_ROUND_CLOSEST(refclk * (1 << (1 + fb_clk_div4_en)), 1 << ref_clk_mpllb_div);
+ vco = DIV_ROUND_CLOSEST_ULL(mul_u32_u32(ref, (multiplier << (17 - 2)) + frac) >> 17, 10);
+
+ return vco << tx_rate_mult >> tx_clk_div >> tx_rate;
+}
+
+/*
+ * TODO: Convert the following to align with intel_c20pll_find_table() and
+ * intel_c20pll_calc_state_from_table().
+ */
+static int intel_c10pll_calc_state_from_table(struct intel_encoder *encoder,
+ const struct intel_cx0pll_params *tables,
+ bool is_dp, int port_clock, int lane_count,
+ struct intel_cx0pll_state *pll_state)
{
- const struct intel_c10pll_state * const *tables;
+ struct intel_display *display = to_intel_display(encoder);
int i;
- tables = intel_c10pll_tables_get(crtc_state, encoder);
- if (!tables)
- return -EINVAL;
+ for (i = 0; tables[i].name; i++) {
+ int clock = intel_c10pll_calc_port_clock(tables[i].c10);
+
+ drm_WARN_ON(display->drm, !intel_dpll_clock_matches(clock, tables[i].clock_rate));
+ if (intel_dpll_clock_matches(port_clock, clock)) {
+ pll_state->c10 = *tables[i].c10;
+ intel_cx0pll_update_ssc(encoder, pll_state, is_dp);
+ intel_c10pll_update_pll(encoder, pll_state);
+
+ pll_state->use_c10 = true;
+ pll_state->lane_count = lane_count;
- for (i = 0; tables[i]; i++) {
- if (crtc_state->port_clock == tables[i]->clock) {
- crtc_state->dpll_hw_state.cx0pll.c10 = *tables[i];
- intel_c10pll_update_pll(crtc_state, encoder);
- crtc_state->dpll_hw_state.cx0pll.use_c10 = true;
+ drm_WARN_ON(display->drm, is_dp != c10pll_state_is_dp(&pll_state->c10));
return 0;
}
@@ -2080,22 +2147,113 @@ static int intel_c10pll_calc_state(struct intel_crtc_state *crtc_state,
return -EINVAL;
}
+static int intel_c10pll_calc_state(const struct intel_crtc_state *crtc_state,
+ struct intel_encoder *encoder,
+ struct intel_dpll_hw_state *hw_state)
+{
+ struct intel_display *display = to_intel_display(encoder);
+ bool is_dp = intel_crtc_has_dp_encoder(crtc_state);
+ const struct intel_cx0pll_params *tables;
+ int err;
+
+ tables = intel_c10pll_tables_get(crtc_state, encoder);
+ if (!tables)
+ return -EINVAL;
+
+ err = intel_c10pll_calc_state_from_table(encoder, tables, is_dp,
+ crtc_state->port_clock, crtc_state->lane_count,
+ &hw_state->cx0pll);
+
+ if (err == 0 || !intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI))
+ return err;
+
+ /* For HDMI PLLs try SNPS PHY algorithm, if there are no precomputed tables */
+ intel_snps_hdmi_pll_compute_c10pll(&hw_state->cx0pll.c10,
+ crtc_state->port_clock);
+ intel_c10pll_update_pll(encoder, &hw_state->cx0pll);
+
+ hw_state->cx0pll.use_c10 = true;
+ hw_state->cx0pll.lane_count = crtc_state->lane_count;
+
+ drm_WARN_ON(display->drm, is_dp != c10pll_state_is_dp(&hw_state->cx0pll.c10));
+
+ return 0;
+}
+
+int intel_readout_lane_count(struct intel_encoder *encoder, int lane0, int lane1)
+{
+ struct intel_display *display = to_intel_display(encoder);
+ u8 enabled_tx_lane_count = 0;
+ int max_tx_lane_count = 4;
+ bool lane_reversal;
+ int tx_lane;
+
+ lane_reversal = intel_de_read(display, XELPDP_PORT_BUF_CTL1(display, encoder->port)) &
+ XELPDP_PORT_REVERSAL;
+
+ /*
+ * TODO: also check inactive TX lanes in all PHY lanes owned by the
+ * display. For now checking only those PHY lane(s) which are owned
+ * based on the active TX lane count (i.e.
+ * 1,2 active TX lanes -> PHY lane#0
+ * 3,4 active TX lanes -> PHY lane#0 and PHY lane#1).
+ *
+ * In case of lane reversal for 1, 2 active TX lanes, only PHY
+ * lane#1 is used. This is only possible in TypeC legacy mode or if
+ * the port is connected to a non-TC PHY. In both of these cases both
+ * PHY lane#0 and #1 are owned by display, so check all 4 TX lanes in
+ * both PHY lanes in those cases.
+ */
+ if (!lane_reversal)
+ max_tx_lane_count = DDI_PORT_WIDTH_GET(intel_de_read(display,
+ DDI_BUF_CTL(encoder->port)));
+
+ if (!drm_WARN_ON(display->drm, max_tx_lane_count == 0))
+ max_tx_lane_count = round_up(max_tx_lane_count, 2);
+
+ for (tx_lane = 0; tx_lane < max_tx_lane_count; tx_lane++) {
+ u8 phy_lane_mask = tx_lane < 2 ? lane0 : lane1;
+ int tx = tx_lane % 2 + 1;
+ u8 val;
+
+ val = intel_cx0_read(encoder, phy_lane_mask, PHY_CX0_TX_CONTROL(tx, 2));
+ if (!(val & CONTROL2_DISABLE_SINGLE_TX))
+ enabled_tx_lane_count++;
+ }
+
+ return enabled_tx_lane_count;
+}
+
+static bool readout_ssc_state(struct intel_encoder *encoder, bool is_mpll_b)
+{
+ struct intel_display *display = to_intel_display(encoder);
+
+ return intel_de_read(display, XELPDP_PORT_CLOCK_CTL(display, encoder->port)) &
+ (is_mpll_b ? XELPDP_SSC_ENABLE_PLLB : XELPDP_SSC_ENABLE_PLLA);
+}
+
static void intel_c10pll_readout_hw_state(struct intel_encoder *encoder,
- struct intel_c10pll_state *pll_state)
+ struct intel_cx0pll_state *cx0pll_state)
{
+ struct intel_c10pll_state *pll_state = &cx0pll_state->c10;
+ struct intel_display *display = to_intel_display(encoder);
+ enum phy phy = intel_encoder_to_phy(encoder);
u8 lane = INTEL_CX0_LANE0;
- intel_wakeref_t wakeref;
+ struct ref_tracker *wakeref;
int i;
+ cx0pll_state->use_c10 = true;
+
wakeref = intel_cx0_phy_transaction_begin(encoder);
/*
* According to C10 VDR Register programming Sequence we need
* to do this to read PHY internal registers from MsgBus.
*/
- intel_cx0_rmw(encoder, lane, PHY_C10_VDR_CONTROL(1),
- 0, C10_VDR_CTRL_MSGBUS_ACCESS,
- MB_WRITE_COMMITTED);
+ intel_c10_msgbus_access_begin(encoder, lane);
+
+ cx0pll_state->lane_count = intel_readout_lane_count(encoder, INTEL_CX0_LANE0,
+ INTEL_CX0_LANE1);
for (i = 0; i < ARRAY_SIZE(pll_state->pll); i++)
pll_state->pll[i] = intel_cx0_read(encoder, lane, PHY_C10_VDR_PLL(i));
@@ -2104,18 +2262,24 @@ static void intel_c10pll_readout_hw_state(struct intel_encoder *encoder,
pll_state->tx = intel_cx0_read(encoder, lane, PHY_C10_VDR_TX(0));
intel_cx0_phy_transaction_end(encoder, wakeref);
+
+ cx0pll_state->ssc_enabled = readout_ssc_state(encoder, true);
+
+ if (cx0pll_state->ssc_enabled != intel_c10pll_ssc_enabled(pll_state))
+ drm_dbg_kms(display->drm,
+ "PHY %c: SSC state mismatch: port SSC is %s, PLL SSC is %s\n",
+ phy_name(phy),
+ str_enabled_disabled(cx0pll_state->ssc_enabled),
+ str_enabled_disabled(intel_c10pll_ssc_enabled(pll_state)));
}
static void intel_c10_pll_program(struct intel_display *display,
- const struct intel_crtc_state *crtc_state,
- struct intel_encoder *encoder)
+ struct intel_encoder *encoder,
+ const struct intel_c10pll_state *pll_state)
{
- const struct intel_c10pll_state *pll_state = &crtc_state->dpll_hw_state.cx0pll.c10;
int i;
- intel_cx0_rmw(encoder, INTEL_CX0_BOTH_LANES, PHY_C10_VDR_CONTROL(1),
- 0, C10_VDR_CTRL_MSGBUS_ACCESS,
- MB_WRITE_COMMITTED);
+ intel_c10_msgbus_access_begin(encoder, INTEL_CX0_BOTH_LANES);
/* Program the pll values only for the master lane */
for (i = 0; i < ARRAY_SIZE(pll_state->pll); i++)
@@ -2130,12 +2294,11 @@ static void intel_c10_pll_program(struct intel_display *display,
intel_cx0_rmw(encoder, INTEL_CX0_BOTH_LANES, PHY_C10_VDR_CUSTOM_WIDTH,
C10_VDR_CUSTOM_WIDTH_MASK, C10_VDR_CUSTOM_WIDTH_8_10,
MB_WRITE_COMMITTED);
- intel_cx0_rmw(encoder, INTEL_CX0_LANE0, PHY_C10_VDR_CONTROL(1),
- 0, C10_VDR_CTRL_MASTER_LANE | C10_VDR_CTRL_UPDATE_CFG,
- MB_WRITE_COMMITTED);
+
+ intel_c10_msgbus_access_commit(encoder, INTEL_CX0_LANE0, true);
}
-static void intel_c10pll_dump_hw_state(struct intel_display *display,
+static void intel_c10pll_dump_hw_state(struct drm_printer *p,
const struct intel_c10pll_state *hw_state)
{
bool fracen;
@@ -2144,39 +2307,75 @@ static void intel_c10pll_dump_hw_state(struct intel_display *display,
unsigned int multiplier, tx_clk_div;
fracen = hw_state->pll[0] & C10_PLL0_FRACEN;
- drm_dbg_kms(display->drm, "c10pll_hw_state: fracen: %s, ",
- str_yes_no(fracen));
+ drm_printf(p, "c10pll_hw_state: fracen: %s, ", str_yes_no(fracen));
if (fracen) {
frac_quot = hw_state->pll[12] << 8 | hw_state->pll[11];
frac_rem = hw_state->pll[14] << 8 | hw_state->pll[13];
frac_den = hw_state->pll[10] << 8 | hw_state->pll[9];
- drm_dbg_kms(display->drm, "quot: %u, rem: %u, den: %u,\n",
- frac_quot, frac_rem, frac_den);
+ drm_printf(p, "quot: %u, rem: %u, den: %u,\n",
+ frac_quot, frac_rem, frac_den);
}
multiplier = (REG_FIELD_GET8(C10_PLL3_MULTIPLIERH_MASK, hw_state->pll[3]) << 8 |
hw_state->pll[2]) / 2 + 16;
tx_clk_div = REG_FIELD_GET8(C10_PLL15_TXCLKDIV_MASK, hw_state->pll[15]);
- drm_dbg_kms(display->drm,
- "multiplier: %u, tx_clk_div: %u.\n", multiplier, tx_clk_div);
+ drm_printf(p,
+ "multiplier: %u, tx_clk_div: %u.\n", multiplier, tx_clk_div);
- drm_dbg_kms(display->drm, "c10pll_rawhw_state:");
- drm_dbg_kms(display->drm, "tx: 0x%x, cmn: 0x%x\n", hw_state->tx,
- hw_state->cmn);
+ drm_printf(p, "c10pll_rawhw_state:");
+ drm_printf(p, "tx: 0x%x, cmn: 0x%x\n", hw_state->tx, hw_state->cmn);
BUILD_BUG_ON(ARRAY_SIZE(hw_state->pll) % 4);
for (i = 0; i < ARRAY_SIZE(hw_state->pll); i = i + 4)
- drm_dbg_kms(display->drm,
- "pll[%d] = 0x%x, pll[%d] = 0x%x, pll[%d] = 0x%x, pll[%d] = 0x%x\n",
- i, hw_state->pll[i], i + 1, hw_state->pll[i + 1],
- i + 2, hw_state->pll[i + 2], i + 3, hw_state->pll[i + 3]);
+ drm_printf(p,
+ "pll[%d] = 0x%x, pll[%d] = 0x%x, pll[%d] = 0x%x, pll[%d] = 0x%x\n",
+ i, hw_state->pll[i], i + 1, hw_state->pll[i + 1],
+ i + 2, hw_state->pll[i + 2], i + 3, hw_state->pll[i + 3]);
}
-static int intel_c20_compute_hdmi_tmds_pll(struct intel_crtc_state *crtc_state)
+/*
+ * Some ARLs SoCs have the same drm PCI IDs, so need a helper to differentiate based
+ * on the host bridge device ID to get the correct txx_mics value.
+ */
+static bool is_arrowlake_s_by_host_bridge(void)
+{
+ struct pci_dev *pdev = NULL;
+ u16 host_bridge_pci_dev_id;
+
+ while ((pdev = pci_get_class(PCI_CLASS_BRIDGE_HOST << 8, pdev)))
+ host_bridge_pci_dev_id = pdev->device;
+
+ return pdev && IS_ARROWLAKE_S_BY_HOST_BRIDGE_ID(host_bridge_pci_dev_id);
+}
+
+static u16 intel_c20_hdmi_tmds_tx_cgf_1(struct intel_display *display)
+{
+ u16 tx_misc;
+ u16 tx_dcc_cal_dac_ctrl_range = 8;
+ u16 tx_term_ctrl = 2;
+
+ if (DISPLAY_VER(display) >= 20) {
+ tx_misc = 5;
+ tx_term_ctrl = 4;
+ } else if (display->platform.battlemage) {
+ tx_misc = 0;
+ } else if (display->platform.meteorlake_u ||
+ is_arrowlake_s_by_host_bridge()) {
+ tx_misc = 3;
+ } else {
+ tx_misc = 7;
+ }
+
+ return (C20_PHY_TX_MISC(tx_misc) |
+ C20_PHY_TX_DCC_CAL_RANGE(tx_dcc_cal_dac_ctrl_range) |
+ C20_PHY_TX_DCC_BYPASS | C20_PHY_TX_TERM_CTL(tx_term_ctrl));
+}
+
+static int intel_c20_compute_hdmi_tmds_pll(struct intel_display *display,
+ int port_clock,
+ struct intel_c20pll_state *pll_state)
{
- struct intel_display *display = to_intel_display(crtc_state);
- struct intel_c20pll_state *pll_state = &crtc_state->dpll_hw_state.cx0pll.c20;
u64 datarate;
u64 mpll_tx_clk_div;
u64 vco_freq_shift;
@@ -2185,14 +2384,13 @@ static int intel_c20_compute_hdmi_tmds_pll(struct intel_crtc_state *crtc_state)
u64 mpll_multiplier;
u64 mpll_fracn_quot;
u64 mpll_fracn_rem;
- u16 tx_misc;
u8 mpllb_ana_freq_vco;
u8 mpll_div_multiplier;
- if (crtc_state->port_clock < 25175 || crtc_state->port_clock > 600000)
+ if (port_clock < 25175 || port_clock > 600000)
return -EINVAL;
- datarate = ((u64)crtc_state->port_clock * 1000) * 10;
+ datarate = ((u64)port_clock * 1000) * 10;
mpll_tx_clk_div = ilog2(div64_u64((u64)CLOCK_9999MHZ, (u64)datarate));
vco_freq_shift = ilog2(div64_u64((u64)CLOCK_4999MHZ * (u64)256, (u64)datarate));
vco_freq = (datarate << vco_freq_shift) >> 8;
@@ -2205,11 +2403,6 @@ static int intel_c20_compute_hdmi_tmds_pll(struct intel_crtc_state *crtc_state)
mpll_div_multiplier = min_t(u8, div64_u64((vco_freq * 16 + (datarate >> 1)),
datarate), 255);
- if (DISPLAY_VER(display) >= 20)
- tx_misc = 0x5;
- else
- tx_misc = 0x0;
-
if (vco_freq <= DATARATE_3000000000)
mpllb_ana_freq_vco = MPLLB_ANA_FREQ_VCO_3;
else if (vco_freq <= DATARATE_3500000000)
@@ -2219,9 +2412,8 @@ static int intel_c20_compute_hdmi_tmds_pll(struct intel_crtc_state *crtc_state)
else
mpllb_ana_freq_vco = MPLLB_ANA_FREQ_VCO_0;
- pll_state->clock = crtc_state->port_clock;
pll_state->tx[0] = 0xbe88;
- pll_state->tx[1] = 0x9800 | C20_PHY_TX_MISC(tx_misc);
+ pll_state->tx[1] = intel_c20_hdmi_tmds_tx_cgf_1(display);
pll_state->tx[2] = 0x0000;
pll_state->cmn[0] = 0x0500;
pll_state->cmn[1] = 0x0005;
@@ -2249,33 +2441,8 @@ static int intel_c20_compute_hdmi_tmds_pll(struct intel_crtc_state *crtc_state)
return 0;
}
-static int intel_c20_phy_check_hdmi_link_rate(int clock)
-{
- const struct intel_c20pll_state * const *tables = mtl_c20_hdmi_tables;
- int i;
-
- for (i = 0; tables[i]; i++) {
- if (clock == tables[i]->clock)
- return MODE_OK;
- }
-
- if (clock >= 25175 && clock <= 594000)
- return MODE_OK;
-
- return MODE_CLOCK_RANGE;
-}
-
-int intel_cx0_phy_check_hdmi_link_rate(struct intel_hdmi *hdmi, int clock)
-{
- struct intel_digital_port *dig_port = hdmi_to_dig_port(hdmi);
-
- if (intel_encoder_is_c10phy(&dig_port->base))
- return intel_c10_phy_check_hdmi_link_rate(clock);
- return intel_c20_phy_check_hdmi_link_rate(clock);
-}
-
-static const struct intel_c20pll_state * const *
-intel_c20_pll_tables_get(struct intel_crtc_state *crtc_state,
+static const struct intel_cx0pll_params *
+intel_c20_pll_tables_get(const struct intel_crtc_state *crtc_state,
struct intel_encoder *encoder)
{
struct intel_display *display = to_intel_display(crtc_state);
@@ -2303,103 +2470,249 @@ intel_c20_pll_tables_get(struct intel_crtc_state *crtc_state,
return NULL;
}
-static int intel_c20pll_calc_state(struct intel_crtc_state *crtc_state,
- struct intel_encoder *encoder)
+static u8 intel_c20_get_dp_rate(u32 clock)
{
- const struct intel_c20pll_state * const *tables;
- int i;
-
- /* try computed C20 HDMI tables before using consolidated tables */
- if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) {
- if (intel_c20_compute_hdmi_tmds_pll(crtc_state) == 0)
- return 0;
+ switch (clock) {
+ case 162000: /* 1.62 Gbps DP1.4 */
+ return 0;
+ case 270000: /* 2.7 Gbps DP1.4 */
+ return 1;
+ case 540000: /* 5.4 Gbps DP 1.4 */
+ return 2;
+ case 810000: /* 8.1 Gbps DP1.4 */
+ return 3;
+ case 216000: /* 2.16 Gbps eDP */
+ return 4;
+ case 243000: /* 2.43 Gbps eDP */
+ return 5;
+ case 324000: /* 3.24 Gbps eDP */
+ return 6;
+ case 432000: /* 4.32 Gbps eDP */
+ return 7;
+ case 1000000: /* 10 Gbps DP2.0 */
+ return 8;
+ case 1350000: /* 13.5 Gbps DP2.0 */
+ return 9;
+ case 2000000: /* 20 Gbps DP2.0 */
+ return 10;
+ case 648000: /* 6.48 Gbps eDP*/
+ return 11;
+ case 675000: /* 6.75 Gbps eDP*/
+ return 12;
+ default:
+ MISSING_CASE(clock);
+ return 0;
}
+}
- tables = intel_c20_pll_tables_get(crtc_state, encoder);
- if (!tables)
- return -EINVAL;
+static u8 intel_c20_get_hdmi_rate(u32 clock)
+{
+ if (clock >= 25175 && clock <= 600000)
+ return 0;
- for (i = 0; tables[i]; i++) {
- if (crtc_state->port_clock == tables[i]->clock) {
- crtc_state->dpll_hw_state.cx0pll.c20 = *tables[i];
- crtc_state->dpll_hw_state.cx0pll.use_c10 = false;
- return 0;
- }
+ switch (clock) {
+ case 300000: /* 3 Gbps */
+ case 600000: /* 6 Gbps */
+ case 1200000: /* 12 Gbps */
+ return 1;
+ case 800000: /* 8 Gbps */
+ return 2;
+ case 1000000: /* 10 Gbps */
+ return 3;
+ default:
+ MISSING_CASE(clock);
+ return 0;
}
-
- return -EINVAL;
}
-int intel_cx0pll_calc_state(struct intel_crtc_state *crtc_state,
- struct intel_encoder *encoder)
+static bool is_dp2(u32 clock)
{
- if (intel_encoder_is_c10phy(encoder))
- return intel_c10pll_calc_state(crtc_state, encoder);
- return intel_c20pll_calc_state(crtc_state, encoder);
+ /* DP2.0 clock rates */
+ if (clock == 1000000 || clock == 1350000 || clock == 2000000)
+ return true;
+
+ return false;
}
-static bool intel_c20phy_use_mpllb(const struct intel_c20pll_state *state)
+static int intel_get_c20_custom_width(u32 clock, bool dp)
{
- return state->tx[0] & C20_PHY_USE_MPLLB;
+ if (dp && is_dp2(clock))
+ return 2;
+ else if (intel_hdmi_is_frl(clock))
+ return 1;
+ else
+ return 0;
}
-static int intel_c20pll_calc_port_clock(struct intel_encoder *encoder,
- const struct intel_c20pll_state *pll_state)
+static void intel_c20_calc_vdr_params(struct intel_c20pll_vdr_state *vdr, bool is_dp,
+ int port_clock)
{
- unsigned int frac, frac_en, frac_quot, frac_rem, frac_den;
- unsigned int multiplier, refclk = 38400;
- unsigned int tx_clk_div;
- unsigned int ref_clk_mpllb_div;
- unsigned int fb_clk_div4_en;
- unsigned int ref, vco;
- unsigned int tx_rate_mult;
- unsigned int tx_rate = REG_FIELD_GET(C20_PHY_TX_RATE, pll_state->tx[0]);
+ vdr->custom_width = intel_get_c20_custom_width(port_clock, is_dp);
- if (intel_c20phy_use_mpllb(pll_state)) {
- tx_rate_mult = 1;
- frac_en = REG_FIELD_GET(C20_MPLLB_FRACEN, pll_state->mpllb[6]);
- frac_quot = pll_state->mpllb[8];
- frac_rem = pll_state->mpllb[9];
- frac_den = pll_state->mpllb[7];
- multiplier = REG_FIELD_GET(C20_MULTIPLIER_MASK, pll_state->mpllb[0]);
- tx_clk_div = REG_FIELD_GET(C20_MPLLB_TX_CLK_DIV_MASK, pll_state->mpllb[0]);
- ref_clk_mpllb_div = REG_FIELD_GET(C20_REF_CLK_MPLLB_DIV_MASK, pll_state->mpllb[6]);
- fb_clk_div4_en = 0;
+ vdr->serdes_rate = 0;
+ vdr->hdmi_rate = 0;
+
+ if (is_dp) {
+ vdr->serdes_rate = PHY_C20_IS_DP |
+ PHY_C20_DP_RATE(intel_c20_get_dp_rate(port_clock));
} else {
- tx_rate_mult = 2;
- frac_en = REG_FIELD_GET(C20_MPLLA_FRACEN, pll_state->mplla[6]);
- frac_quot = pll_state->mplla[8];
- frac_rem = pll_state->mplla[9];
- frac_den = pll_state->mplla[7];
- multiplier = REG_FIELD_GET(C20_MULTIPLIER_MASK, pll_state->mplla[0]);
- tx_clk_div = REG_FIELD_GET(C20_MPLLA_TX_CLK_DIV_MASK, pll_state->mplla[1]);
- ref_clk_mpllb_div = REG_FIELD_GET(C20_REF_CLK_MPLLB_DIV_MASK, pll_state->mplla[6]);
- fb_clk_div4_en = REG_FIELD_GET(C20_FB_CLK_DIV4_EN, pll_state->mplla[0]);
+ if (intel_hdmi_is_frl(port_clock))
+ vdr->serdes_rate = PHY_C20_IS_HDMI_FRL;
+
+ vdr->hdmi_rate = intel_c20_get_hdmi_rate(port_clock);
}
+}
- if (frac_en)
- frac = frac_quot + DIV_ROUND_CLOSEST(frac_rem, frac_den);
+#define PHY_C20_SERDES_RATE_MASK (PHY_C20_IS_DP | PHY_C20_DP_RATE_MASK | PHY_C20_IS_HDMI_FRL)
+
+static void intel_c20_readout_vdr_params(struct intel_encoder *encoder,
+ struct intel_c20pll_vdr_state *vdr, bool *cntx)
+{
+ u8 serdes;
+
+ serdes = intel_cx0_read(encoder, INTEL_CX0_LANE0, PHY_C20_VDR_CUSTOM_SERDES_RATE);
+ *cntx = serdes & PHY_C20_CONTEXT_TOGGLE;
+
+ vdr->custom_width = intel_cx0_read(encoder, INTEL_CX0_LANE0, PHY_C20_VDR_CUSTOM_WIDTH) &
+ PHY_C20_CUSTOM_WIDTH_MASK;
+
+ vdr->serdes_rate = serdes & PHY_C20_SERDES_RATE_MASK;
+ if (!(vdr->serdes_rate & PHY_C20_IS_DP))
+ vdr->hdmi_rate = intel_cx0_read(encoder, INTEL_CX0_LANE0, PHY_C20_VDR_HDMI_RATE) &
+ PHY_C20_HDMI_RATE_MASK;
else
- frac = 0;
+ vdr->hdmi_rate = 0;
+}
- ref = DIV_ROUND_CLOSEST(refclk * (1 << (1 + fb_clk_div4_en)), 1 << ref_clk_mpllb_div);
- vco = DIV_ROUND_CLOSEST_ULL(mul_u32_u32(ref, (multiplier << (17 - 2)) + frac) >> 17, 10);
+static void intel_c20_program_vdr_params(struct intel_encoder *encoder,
+ const struct intel_c20pll_vdr_state *vdr,
+ u8 owned_lane_mask)
+{
+ struct intel_display *display = to_intel_display(encoder);
- return vco << tx_rate_mult >> tx_clk_div >> tx_rate;
+ drm_WARN_ON(display->drm, vdr->custom_width & ~PHY_C20_CUSTOM_WIDTH_MASK);
+ intel_cx0_rmw(encoder, owned_lane_mask, PHY_C20_VDR_CUSTOM_WIDTH,
+ PHY_C20_CUSTOM_WIDTH_MASK, vdr->custom_width,
+ MB_WRITE_COMMITTED);
+
+ drm_WARN_ON(display->drm, vdr->serdes_rate & ~PHY_C20_SERDES_RATE_MASK);
+ intel_cx0_rmw(encoder, owned_lane_mask, PHY_C20_VDR_CUSTOM_SERDES_RATE,
+ PHY_C20_SERDES_RATE_MASK, vdr->serdes_rate,
+ MB_WRITE_COMMITTED);
+
+ if (vdr->serdes_rate & PHY_C20_IS_DP)
+ return;
+
+ drm_WARN_ON(display->drm, vdr->hdmi_rate & ~PHY_C20_HDMI_RATE_MASK);
+ intel_cx0_rmw(encoder, INTEL_CX0_BOTH_LANES, PHY_C20_VDR_HDMI_RATE,
+ PHY_C20_HDMI_RATE_MASK, vdr->hdmi_rate,
+ MB_WRITE_COMMITTED);
+}
+
+static const struct intel_cx0pll_params *
+intel_c20_pll_find_table(const struct intel_crtc_state *crtc_state,
+ struct intel_encoder *encoder)
+{
+ struct intel_display *display = to_intel_display(crtc_state);
+ const struct intel_cx0pll_params *tables;
+ int i;
+
+ tables = intel_c20_pll_tables_get(crtc_state, encoder);
+ if (!tables)
+ return NULL;
+
+ for (i = 0; tables[i].name; i++) {
+ int clock = intel_c20pll_calc_port_clock(tables[i].c20);
+
+ drm_WARN_ON(display->drm, !intel_dpll_clock_matches(clock, tables[i].clock_rate));
+ if (intel_dpll_clock_matches(crtc_state->port_clock, clock))
+ return &tables[i];
+ }
+
+ return NULL;
+}
+
+static int intel_c20pll_calc_state_from_table(const struct intel_crtc_state *crtc_state,
+ struct intel_encoder *encoder,
+ struct intel_cx0pll_state *pll_state)
+{
+ const struct intel_cx0pll_params *table;
+
+ table = intel_c20_pll_find_table(crtc_state, encoder);
+ if (!table)
+ return -EINVAL;
+
+ pll_state->c20 = *table->c20;
+
+ intel_cx0pll_update_ssc(encoder, pll_state, intel_crtc_has_dp_encoder(crtc_state));
+
+ return 0;
+}
+
+static int intel_c20pll_calc_state(const struct intel_crtc_state *crtc_state,
+ struct intel_encoder *encoder,
+ struct intel_dpll_hw_state *hw_state)
+{
+ struct intel_display *display = to_intel_display(encoder);
+ bool is_dp = intel_crtc_has_dp_encoder(crtc_state);
+ int err = -ENOENT;
+
+ hw_state->cx0pll.use_c10 = false;
+ hw_state->cx0pll.lane_count = crtc_state->lane_count;
+
+ /*
+ * Try the ideal C20 HDMI tables before computing them, since the calculated
+ * values, although correct, may not be optimal.
+ */
+ if (err)
+ err = intel_c20pll_calc_state_from_table(crtc_state, encoder,
+ &hw_state->cx0pll);
+
+ /* TODO: Update SSC state for HDMI as well */
+ if (!is_dp && err)
+ err = intel_c20_compute_hdmi_tmds_pll(display, crtc_state->port_clock,
+ &hw_state->cx0pll.c20);
+
+ if (err)
+ return err;
+
+ intel_c20_calc_vdr_params(&hw_state->cx0pll.c20.vdr,
+ is_dp, crtc_state->port_clock);
+
+ drm_WARN_ON(display->drm, is_dp != c20pll_state_is_dp(&hw_state->cx0pll.c20));
+
+ return 0;
+}
+
+int intel_cx0pll_calc_state(const struct intel_crtc_state *crtc_state,
+ struct intel_encoder *encoder,
+ struct intel_dpll_hw_state *hw_state)
+{
+ memset(hw_state, 0, sizeof(*hw_state));
+
+ if (intel_encoder_is_c10phy(encoder))
+ return intel_c10pll_calc_state(crtc_state, encoder, hw_state);
+ return intel_c20pll_calc_state(crtc_state, encoder, hw_state);
}
static void intel_c20pll_readout_hw_state(struct intel_encoder *encoder,
- struct intel_c20pll_state *pll_state)
+ struct intel_cx0pll_state *cx0pll_state)
{
+ struct intel_c20pll_state *pll_state = &cx0pll_state->c20;
struct intel_display *display = to_intel_display(encoder);
bool cntx;
- intel_wakeref_t wakeref;
+ struct ref_tracker *wakeref;
int i;
+ cx0pll_state->use_c10 = false;
+
wakeref = intel_cx0_phy_transaction_begin(encoder);
- /* 1. Read current context selection */
- cntx = intel_cx0_read(encoder, INTEL_CX0_LANE0, PHY_C20_VDR_CUSTOM_SERDES_RATE) & PHY_C20_CONTEXT_TOGGLE;
+ cx0pll_state->lane_count = intel_readout_lane_count(encoder, INTEL_CX0_LANE0,
+ INTEL_CX0_LANE1);
+
+ /* 1. Read VDR params and current context selection */
+ intel_c20_readout_vdr_params(encoder, &pll_state->vdr, &cntx);
/* Read Tx configuration */
for (i = 0; i < ARRAY_SIZE(pll_state->tx); i++) {
@@ -2451,120 +2764,53 @@ static void intel_c20pll_readout_hw_state(struct intel_encoder *encoder,
}
}
- pll_state->clock = intel_c20pll_calc_port_clock(encoder, pll_state);
-
intel_cx0_phy_transaction_end(encoder, wakeref);
+
+ cx0pll_state->ssc_enabled = readout_ssc_state(encoder, intel_c20phy_use_mpllb(pll_state));
}
-static void intel_c20pll_dump_hw_state(struct intel_display *display,
+static void intel_c20pll_dump_hw_state(struct drm_printer *p,
const struct intel_c20pll_state *hw_state)
{
int i;
- drm_dbg_kms(display->drm, "c20pll_hw_state:\n");
- drm_dbg_kms(display->drm,
- "tx[0] = 0x%.4x, tx[1] = 0x%.4x, tx[2] = 0x%.4x\n",
- hw_state->tx[0], hw_state->tx[1], hw_state->tx[2]);
- drm_dbg_kms(display->drm,
- "cmn[0] = 0x%.4x, cmn[1] = 0x%.4x, cmn[2] = 0x%.4x, cmn[3] = 0x%.4x\n",
- hw_state->cmn[0], hw_state->cmn[1], hw_state->cmn[2], hw_state->cmn[3]);
+ drm_printf(p, "c20pll_hw_state:\n");
+ drm_printf(p,
+ "tx[0] = 0x%.4x, tx[1] = 0x%.4x, tx[2] = 0x%.4x\n",
+ hw_state->tx[0], hw_state->tx[1], hw_state->tx[2]);
+ drm_printf(p,
+ "cmn[0] = 0x%.4x, cmn[1] = 0x%.4x, cmn[2] = 0x%.4x, cmn[3] = 0x%.4x\n",
+ hw_state->cmn[0], hw_state->cmn[1], hw_state->cmn[2], hw_state->cmn[3]);
if (intel_c20phy_use_mpllb(hw_state)) {
for (i = 0; i < ARRAY_SIZE(hw_state->mpllb); i++)
- drm_dbg_kms(display->drm, "mpllb[%d] = 0x%.4x\n", i,
- hw_state->mpllb[i]);
+ drm_printf(p, "mpllb[%d] = 0x%.4x\n", i, hw_state->mpllb[i]);
} else {
for (i = 0; i < ARRAY_SIZE(hw_state->mplla); i++)
- drm_dbg_kms(display->drm, "mplla[%d] = 0x%.4x\n", i,
- hw_state->mplla[i]);
- }
-}
+ drm_printf(p, "mplla[%d] = 0x%.4x\n", i, hw_state->mplla[i]);
-void intel_cx0pll_dump_hw_state(struct intel_display *display,
- const struct intel_cx0pll_state *hw_state)
-{
- if (hw_state->use_c10)
- intel_c10pll_dump_hw_state(display, &hw_state->c10);
- else
- intel_c20pll_dump_hw_state(display, &hw_state->c20);
-}
-
-static u8 intel_c20_get_dp_rate(u32 clock)
-{
- switch (clock) {
- case 162000: /* 1.62 Gbps DP1.4 */
- return 0;
- case 270000: /* 2.7 Gbps DP1.4 */
- return 1;
- case 540000: /* 5.4 Gbps DP 1.4 */
- return 2;
- case 810000: /* 8.1 Gbps DP1.4 */
- return 3;
- case 216000: /* 2.16 Gbps eDP */
- return 4;
- case 243000: /* 2.43 Gbps eDP */
- return 5;
- case 324000: /* 3.24 Gbps eDP */
- return 6;
- case 432000: /* 4.32 Gbps eDP */
- return 7;
- case 1000000: /* 10 Gbps DP2.0 */
- return 8;
- case 1350000: /* 13.5 Gbps DP2.0 */
- return 9;
- case 2000000: /* 20 Gbps DP2.0 */
- return 10;
- case 648000: /* 6.48 Gbps eDP*/
- return 11;
- case 675000: /* 6.75 Gbps eDP*/
- return 12;
- default:
- MISSING_CASE(clock);
- return 0;
+ /* For full coverage, also print the additional PLL B entry. */
+ BUILD_BUG_ON(ARRAY_SIZE(hw_state->mplla) + 1 != ARRAY_SIZE(hw_state->mpllb));
+ drm_printf(p, "mpllb[%d] = 0x%.4x\n", i, hw_state->mpllb[i]);
}
-}
-static u8 intel_c20_get_hdmi_rate(u32 clock)
-{
- if (clock >= 25175 && clock <= 600000)
- return 0;
-
- switch (clock) {
- case 300000: /* 3 Gbps */
- case 600000: /* 6 Gbps */
- case 1200000: /* 12 Gbps */
- return 1;
- case 800000: /* 8 Gbps */
- return 2;
- case 1000000: /* 10 Gbps */
- return 3;
- default:
- MISSING_CASE(clock);
- return 0;
- }
+ drm_printf(p,
+ "vdr: custom width: 0x%02x, serdes rate: 0x%02x, hdmi rate: 0x%02x\n",
+ hw_state->vdr.custom_width, hw_state->vdr.serdes_rate, hw_state->vdr.hdmi_rate);
}
-static bool is_dp2(u32 clock)
+void intel_cx0pll_dump_hw_state(struct drm_printer *p,
+ const struct intel_cx0pll_state *hw_state)
{
- /* DP2.0 clock rates */
- if (clock == 1000000 || clock == 1350000 || clock == 2000000)
- return true;
-
- return false;
-}
+ drm_printf(p,
+ "cx0pll_hw_state: lane_count: %d, ssc_enabled: %s, use_c10: %s, tbt_mode: %s\n",
+ hw_state->lane_count, str_yes_no(hw_state->ssc_enabled),
+ str_yes_no(hw_state->use_c10), str_yes_no(hw_state->tbt_mode));
-static bool is_hdmi_frl(u32 clock)
-{
- switch (clock) {
- case 300000: /* 3 Gbps */
- case 600000: /* 6 Gbps */
- case 800000: /* 8 Gbps */
- case 1000000: /* 10 Gbps */
- case 1200000: /* 12 Gbps */
- return true;
- default:
- return false;
- }
+ if (hw_state->use_c10)
+ intel_c10pll_dump_hw_state(p, &hw_state->c10);
+ else
+ intel_c20pll_dump_hw_state(p, &hw_state->c20);
}
static bool intel_c20_protocol_switch_valid(struct intel_encoder *encoder)
@@ -2576,32 +2822,17 @@ static bool intel_c20_protocol_switch_valid(struct intel_encoder *encoder)
return intel_tc_port_in_legacy_mode(intel_dig_port);
}
-static int intel_get_c20_custom_width(u32 clock, bool dp)
-{
- if (dp && is_dp2(clock))
- return 2;
- else if (is_hdmi_frl(clock))
- return 1;
- else
- return 0;
-}
-
static void intel_c20_pll_program(struct intel_display *display,
- const struct intel_crtc_state *crtc_state,
- struct intel_encoder *encoder)
+ struct intel_encoder *encoder,
+ const struct intel_c20pll_state *pll_state)
{
- const struct intel_c20pll_state *pll_state = &crtc_state->dpll_hw_state.cx0pll.c20;
- bool dp = false;
u8 owned_lane_mask = intel_cx0_get_owned_lane_mask(encoder);
- u32 clock = crtc_state->port_clock;
bool cntx;
int i;
- if (intel_crtc_has_dp_encoder(crtc_state))
- dp = true;
-
/* 1. Read current context selection */
- cntx = intel_cx0_read(encoder, INTEL_CX0_LANE0, PHY_C20_VDR_CUSTOM_SERDES_RATE) & BIT(0);
+ cntx = intel_cx0_read(encoder, INTEL_CX0_LANE0, PHY_C20_VDR_CUSTOM_SERDES_RATE) &
+ PHY_C20_CONTEXT_TOGGLE;
/*
* 2. If there is a protocol switch from HDMI to DP or vice versa, clear
@@ -2664,69 +2895,34 @@ static void intel_c20_pll_program(struct intel_display *display,
}
}
- /* 4. Program custom width to match the link protocol */
- intel_cx0_rmw(encoder, owned_lane_mask, PHY_C20_VDR_CUSTOM_WIDTH,
- PHY_C20_CUSTOM_WIDTH_MASK,
- PHY_C20_CUSTOM_WIDTH(intel_get_c20_custom_width(clock, dp)),
- MB_WRITE_COMMITTED);
-
- /* 5. For DP or 6. For HDMI */
- if (dp) {
- intel_cx0_rmw(encoder, owned_lane_mask, PHY_C20_VDR_CUSTOM_SERDES_RATE,
- BIT(6) | PHY_C20_CUSTOM_SERDES_MASK,
- BIT(6) | PHY_C20_CUSTOM_SERDES(intel_c20_get_dp_rate(clock)),
- MB_WRITE_COMMITTED);
- } else {
- intel_cx0_rmw(encoder, owned_lane_mask, PHY_C20_VDR_CUSTOM_SERDES_RATE,
- BIT(7) | PHY_C20_CUSTOM_SERDES_MASK,
- is_hdmi_frl(clock) ? BIT(7) : 0,
- MB_WRITE_COMMITTED);
-
- intel_cx0_write(encoder, INTEL_CX0_BOTH_LANES, PHY_C20_VDR_HDMI_RATE,
- intel_c20_get_hdmi_rate(clock),
- MB_WRITE_COMMITTED);
- }
+ /*
+ * 4. Program custom width to match the link protocol.
+ * 5. For DP or 6. For HDMI
+ */
+ intel_c20_program_vdr_params(encoder, &pll_state->vdr, owned_lane_mask);
/*
* 7. Write Vendor specific registers to toggle context setting to load
* the updated programming toggle context bit
*/
intel_cx0_rmw(encoder, owned_lane_mask, PHY_C20_VDR_CUSTOM_SERDES_RATE,
- BIT(0), cntx ? 0 : 1, MB_WRITE_COMMITTED);
+ PHY_C20_CONTEXT_TOGGLE, cntx ? 0 : PHY_C20_CONTEXT_TOGGLE,
+ MB_WRITE_COMMITTED);
}
-static int intel_c10pll_calc_port_clock(struct intel_encoder *encoder,
- const struct intel_c10pll_state *pll_state)
+static bool is_mplla_clock_rate(int clock)
{
- unsigned int frac_quot = 0, frac_rem = 0, frac_den = 1;
- unsigned int multiplier, tx_clk_div, hdmi_div, refclk = 38400;
- int tmpclk = 0;
-
- if (pll_state->pll[0] & C10_PLL0_FRACEN) {
- frac_quot = pll_state->pll[12] << 8 | pll_state->pll[11];
- frac_rem = pll_state->pll[14] << 8 | pll_state->pll[13];
- frac_den = pll_state->pll[10] << 8 | pll_state->pll[9];
- }
-
- multiplier = (REG_FIELD_GET8(C10_PLL3_MULTIPLIERH_MASK, pll_state->pll[3]) << 8 |
- pll_state->pll[2]) / 2 + 16;
-
- tx_clk_div = REG_FIELD_GET8(C10_PLL15_TXCLKDIV_MASK, pll_state->pll[15]);
- hdmi_div = REG_FIELD_GET8(C10_PLL15_HDMIDIV_MASK, pll_state->pll[15]);
-
- tmpclk = DIV_ROUND_CLOSEST_ULL(mul_u32_u32(refclk, (multiplier << 16) + frac_quot) +
- DIV_ROUND_CLOSEST(refclk * frac_rem, frac_den),
- 10 << (tx_clk_div + 16));
- tmpclk *= (hdmi_div ? 2 : 1);
-
- return tmpclk;
+ return intel_dpll_clock_matches(clock, 1000000) ||
+ intel_dpll_clock_matches(clock, 2000000);
}
static void intel_program_port_clock_ctl(struct intel_encoder *encoder,
- const struct intel_crtc_state *crtc_state,
+ const struct intel_cx0pll_state *pll_state,
+ int port_clock,
bool lane_reversal)
{
struct intel_display *display = to_intel_display(encoder);
+ bool is_dp = cx0pll_state_is_dp(pll_state);
u32 val = 0;
intel_de_rmw(display, XELPDP_PORT_BUF_CTL1(display, encoder->port),
@@ -2738,22 +2934,21 @@ static void intel_program_port_clock_ctl(struct intel_encoder *encoder,
val |= XELPDP_FORWARD_CLOCK_UNGATE;
- if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI) &&
- is_hdmi_frl(crtc_state->port_clock))
- val |= XELPDP_DDI_CLOCK_SELECT(XELPDP_DDI_CLOCK_SELECT_DIV18CLK);
+ if (!is_dp && intel_hdmi_is_frl(port_clock))
+ val |= XELPDP_DDI_CLOCK_SELECT_PREP(display, XELPDP_DDI_CLOCK_SELECT_DIV18CLK);
else
- val |= XELPDP_DDI_CLOCK_SELECT(XELPDP_DDI_CLOCK_SELECT_MAXPCLK);
+ val |= XELPDP_DDI_CLOCK_SELECT_PREP(display, XELPDP_DDI_CLOCK_SELECT_MAXPCLK);
/* TODO: HDMI FRL */
/* DP2.0 10G and 20G rates enable MPLLA*/
- if (crtc_state->port_clock == 1000000 || crtc_state->port_clock == 2000000)
- val |= crtc_state->dpll_hw_state.cx0pll.ssc_enabled ? XELPDP_SSC_ENABLE_PLLA : 0;
+ if (is_mplla_clock_rate(port_clock))
+ val |= pll_state->ssc_enabled ? XELPDP_SSC_ENABLE_PLLA : 0;
else
- val |= crtc_state->dpll_hw_state.cx0pll.ssc_enabled ? XELPDP_SSC_ENABLE_PLLB : 0;
+ val |= pll_state->ssc_enabled ? XELPDP_SSC_ENABLE_PLLB : 0;
intel_de_rmw(display, XELPDP_PORT_CLOCK_CTL(display, encoder->port),
XELPDP_LANE1_PHY_CLOCK_SELECT | XELPDP_FORWARD_CLOCK_UNGATE |
- XELPDP_DDI_CLOCK_SELECT_MASK | XELPDP_SSC_ENABLE_PLLA |
+ XELPDP_DDI_CLOCK_SELECT_MASK(display) | XELPDP_SSC_ENABLE_PLLA |
XELPDP_SSC_ENABLE_PLLB, val);
}
@@ -2779,8 +2974,8 @@ static u32 intel_cx0_get_powerdown_state(u8 lane_mask, u8 state)
return val;
}
-static void intel_cx0_powerdown_change_sequence(struct intel_encoder *encoder,
- u8 lane_mask, u8 state)
+void intel_cx0_powerdown_change_sequence(struct intel_encoder *encoder,
+ u8 lane_mask, u8 state)
{
struct intel_display *display = to_intel_display(encoder);
enum port port = encoder->port;
@@ -2794,9 +2989,9 @@ static void intel_cx0_powerdown_change_sequence(struct intel_encoder *encoder,
/* Wait for pending transactions.*/
for_each_cx0_lane_in_mask(lane_mask, lane)
- if (intel_de_wait_for_clear(display, XELPDP_PORT_M2P_MSGBUS_CTL(display, port, lane),
- XELPDP_PORT_M2P_TRANSACTION_PENDING,
- XELPDP_MSGBUS_TIMEOUT_SLOW)) {
+ if (intel_de_wait_for_clear_ms(display, XELPDP_PORT_M2P_MSGBUS_CTL(display, port, lane),
+ XELPDP_PORT_M2P_TRANSACTION_PENDING,
+ XELPDP_MSGBUS_TIMEOUT_MS)) {
drm_dbg_kms(display->drm,
"PHY %c Timeout waiting for previous transaction to complete. Reset the bus.\n",
phy_name(phy));
@@ -2808,26 +3003,26 @@ static void intel_cx0_powerdown_change_sequence(struct intel_encoder *encoder,
intel_cx0_get_powerdown_update(lane_mask));
/* Update Timeout Value */
- if (intel_de_wait_custom(display, buf_ctl2_reg,
- intel_cx0_get_powerdown_update(lane_mask), 0,
- XELPDP_PORT_POWERDOWN_UPDATE_TIMEOUT_US, 0, NULL))
+ if (intel_de_wait_for_clear_ms(display, buf_ctl2_reg,
+ intel_cx0_get_powerdown_update(lane_mask),
+ XELPDP_PORT_POWERDOWN_UPDATE_TIMEOUT_MS))
drm_warn(display->drm,
- "PHY %c failed to bring out of Lane reset after %dus.\n",
- phy_name(phy), XELPDP_PORT_RESET_START_TIMEOUT_US);
+ "PHY %c failed to change powerdown state\n",
+ phy_name(phy));
}
-static void intel_cx0_setup_powerdown(struct intel_encoder *encoder)
+void intel_cx0_setup_powerdown(struct intel_encoder *encoder)
{
struct intel_display *display = to_intel_display(encoder);
enum port port = encoder->port;
intel_de_rmw(display, XELPDP_PORT_BUF_CTL2(display, port),
XELPDP_POWER_STATE_READY_MASK,
- XELPDP_POWER_STATE_READY(CX0_P2_STATE_READY));
+ XELPDP_POWER_STATE_READY(XELPDP_P2_STATE_READY));
intel_de_rmw(display, XELPDP_PORT_BUF_CTL3(display, port),
XELPDP_POWER_STATE_ACTIVE_MASK |
XELPDP_PLL_LANE_STAGGERING_DELAY_MASK,
- XELPDP_POWER_STATE_ACTIVE(CX0_P0_STATE_ACTIVE) |
+ XELPDP_POWER_STATE_ACTIVE(XELPDP_P0_STATE_ACTIVE) |
XELPDP_PLL_LANE_STAGGERING_DELAY(0));
}
@@ -2869,48 +3064,47 @@ static void intel_cx0_phy_lane_reset(struct intel_encoder *encoder,
XELPDP_LANE_PHY_CURRENT_STATUS(1))
: XELPDP_LANE_PHY_CURRENT_STATUS(0);
- if (intel_de_wait_custom(display, XELPDP_PORT_BUF_CTL1(display, port),
- XELPDP_PORT_BUF_SOC_PHY_READY,
- XELPDP_PORT_BUF_SOC_PHY_READY,
- XELPDP_PORT_BUF_SOC_READY_TIMEOUT_US, 0, NULL))
+ if (intel_de_wait_for_set_us(display, XELPDP_PORT_BUF_CTL1(display, port),
+ XELPDP_PORT_BUF_SOC_PHY_READY,
+ XELPDP_PORT_BUF_SOC_READY_TIMEOUT_US))
drm_warn(display->drm,
- "PHY %c failed to bring out of SOC reset after %dus.\n",
- phy_name(phy), XELPDP_PORT_BUF_SOC_READY_TIMEOUT_US);
+ "PHY %c failed to bring out of SOC reset\n",
+ phy_name(phy));
intel_de_rmw(display, XELPDP_PORT_BUF_CTL2(display, port), lane_pipe_reset,
lane_pipe_reset);
- if (intel_de_wait_custom(display, XELPDP_PORT_BUF_CTL2(display, port),
- lane_phy_current_status, lane_phy_current_status,
- XELPDP_PORT_RESET_START_TIMEOUT_US, 0, NULL))
+ if (intel_de_wait_for_set_us(display, XELPDP_PORT_BUF_CTL2(display, port),
+ lane_phy_current_status,
+ XELPDP_PORT_RESET_START_TIMEOUT_US))
drm_warn(display->drm,
- "PHY %c failed to bring out of Lane reset after %dus.\n",
- phy_name(phy), XELPDP_PORT_RESET_START_TIMEOUT_US);
+ "PHY %c failed to bring out of lane reset\n",
+ phy_name(phy));
intel_de_rmw(display, XELPDP_PORT_CLOCK_CTL(display, port),
intel_cx0_get_pclk_refclk_request(owned_lane_mask),
intel_cx0_get_pclk_refclk_request(lane_mask));
- if (intel_de_wait_custom(display, XELPDP_PORT_CLOCK_CTL(display, port),
- intel_cx0_get_pclk_refclk_ack(owned_lane_mask),
- intel_cx0_get_pclk_refclk_ack(lane_mask),
- XELPDP_REFCLK_ENABLE_TIMEOUT_US, 0, NULL))
+ if (intel_de_wait_us(display, XELPDP_PORT_CLOCK_CTL(display, port),
+ intel_cx0_get_pclk_refclk_ack(owned_lane_mask),
+ intel_cx0_get_pclk_refclk_ack(lane_mask),
+ XELPDP_REFCLK_ENABLE_TIMEOUT_US, NULL))
drm_warn(display->drm,
- "PHY %c failed to request refclk after %dus.\n",
- phy_name(phy), XELPDP_REFCLK_ENABLE_TIMEOUT_US);
+ "PHY %c failed to request refclk\n",
+ phy_name(phy));
intel_cx0_powerdown_change_sequence(encoder, INTEL_CX0_BOTH_LANES,
- CX0_P2_STATE_RESET);
+ XELPDP_P2_STATE_RESET);
intel_cx0_setup_powerdown(encoder);
intel_de_rmw(display, XELPDP_PORT_BUF_CTL2(display, port), lane_pipe_reset, 0);
- if (intel_de_wait_for_clear(display, XELPDP_PORT_BUF_CTL2(display, port),
- lane_phy_current_status,
- XELPDP_PORT_RESET_END_TIMEOUT))
+ if (intel_de_wait_for_clear_ms(display, XELPDP_PORT_BUF_CTL2(display, port),
+ lane_phy_current_status,
+ XELPDP_PORT_RESET_END_TIMEOUT_MS))
drm_warn(display->drm,
- "PHY %c failed to bring out of Lane reset after %dms.\n",
- phy_name(phy), XELPDP_PORT_RESET_END_TIMEOUT);
+ "PHY %c failed to bring out of lane reset\n",
+ phy_name(phy));
}
static void intel_cx0_program_phy_lane(struct intel_encoder *encoder, int lane_count,
@@ -2921,11 +3115,7 @@ static void intel_cx0_program_phy_lane(struct intel_encoder *encoder, int lane_c
bool dp_alt_mode = intel_tc_port_in_dp_alt_mode(enc_to_dig_port(encoder));
u8 owned_lane_mask = intel_cx0_get_owned_lane_mask(encoder);
- if (intel_encoder_is_c10phy(encoder))
- intel_cx0_rmw(encoder, owned_lane_mask,
- PHY_C10_VDR_CONTROL(1), 0,
- C10_VDR_CTRL_MSGBUS_ACCESS,
- MB_WRITE_COMMITTED);
+ intel_c10_msgbus_access_begin(encoder, owned_lane_mask);
if (lane_reversal)
disables = REG_GENMASK8(3, 0) >> lane_count;
@@ -2950,11 +3140,7 @@ static void intel_cx0_program_phy_lane(struct intel_encoder *encoder, int lane_c
MB_WRITE_COMMITTED);
}
- if (intel_encoder_is_c10phy(encoder))
- intel_cx0_rmw(encoder, owned_lane_mask,
- PHY_C10_VDR_CONTROL(1), 0,
- C10_VDR_CTRL_UPDATE_CFG,
- MB_WRITE_COMMITTED);
+ intel_c10_msgbus_access_commit(encoder, owned_lane_mask, false);
}
static u32 intel_cx0_get_pclk_pll_request(u8 lane_mask)
@@ -2980,7 +3166,7 @@ static u32 intel_cx0_get_pclk_pll_ack(u8 lane_mask)
}
static void intel_cx0pll_enable(struct intel_encoder *encoder,
- const struct intel_crtc_state *crtc_state)
+ const struct intel_cx0pll_state *pll_state)
{
struct intel_display *display = to_intel_display(encoder);
enum phy phy = intel_encoder_to_phy(encoder);
@@ -2988,13 +3174,26 @@ static void intel_cx0pll_enable(struct intel_encoder *encoder,
bool lane_reversal = dig_port->lane_reversal;
u8 maxpclk_lane = lane_reversal ? INTEL_CX0_LANE1 :
INTEL_CX0_LANE0;
- intel_wakeref_t wakeref = intel_cx0_phy_transaction_begin(encoder);
+ struct ref_tracker *wakeref = intel_cx0_phy_transaction_begin(encoder);
+ int port_clock;
+
+ if (pll_state->use_c10)
+ port_clock = intel_c10pll_calc_port_clock(&pll_state->c10);
+ else
+ port_clock = intel_c20pll_calc_port_clock(&pll_state->c20);
+
+ /*
+ * Lane reversal is never used in DP-alt mode, in that case the
+ * corresponding lane swapping (based on the TypeC cable flip state
+ * for instance) is handled automatically by the HW via a TCSS mux.
+ */
+ drm_WARN_ON(display->drm, lane_reversal && intel_tc_port_in_dp_alt_mode(dig_port));
/*
* 1. Program PORT_CLOCK_CTL REGISTER to configure
* clock muxes, gating and SSC
*/
- intel_program_port_clock_ctl(encoder, crtc_state, lane_reversal);
+ intel_program_port_clock_ctl(encoder, pll_state, port_clock, lane_reversal);
/* 2. Bring PHY out of reset. */
intel_cx0_phy_lane_reset(encoder, lane_reversal);
@@ -3004,7 +3203,7 @@ static void intel_cx0pll_enable(struct intel_encoder *encoder,
* TODO: For DP alt mode use only one lane.
*/
intel_cx0_powerdown_change_sequence(encoder, INTEL_CX0_BOTH_LANES,
- CX0_P2_STATE_READY);
+ XELPDP_P2_STATE_READY);
/*
* 4. Program PORT_MSGBUS_TIMER register's Message Bus Timer field to 0xA000.
@@ -3014,15 +3213,15 @@ static void intel_cx0pll_enable(struct intel_encoder *encoder,
/* 5. Program PHY internal PLL internal registers. */
if (intel_encoder_is_c10phy(encoder))
- intel_c10_pll_program(display, crtc_state, encoder);
+ intel_c10_pll_program(display, encoder, &pll_state->c10);
else
- intel_c20_pll_program(display, crtc_state, encoder);
+ intel_c20_pll_program(display, encoder, &pll_state->c20);
/*
* 6. Program the enabled and disabled owned PHY lane
* transmitters over message bus
*/
- intel_cx0_program_phy_lane(encoder, crtc_state->lane_count, lane_reversal);
+ intel_cx0_program_phy_lane(encoder, pll_state->lane_count, lane_reversal);
/*
* 7. Follow the Display Voltage Frequency Switching - Sequence
@@ -3033,8 +3232,7 @@ static void intel_cx0pll_enable(struct intel_encoder *encoder,
* 8. Program DDI_CLK_VALFREQ to match intended DDI
* clock frequency.
*/
- intel_de_write(display, DDI_CLK_VALFREQ(encoder->port),
- crtc_state->port_clock);
+ intel_de_write(display, DDI_CLK_VALFREQ(encoder->port), port_clock);
/*
* 9. Set PORT_CLOCK_CTL register PCLK PLL Request
@@ -3045,22 +3243,54 @@ static void intel_cx0pll_enable(struct intel_encoder *encoder,
intel_cx0_get_pclk_pll_request(maxpclk_lane));
/* 10. Poll on PORT_CLOCK_CTL PCLK PLL Ack LN<Lane for maxPCLK> == "1". */
- if (intel_de_wait_custom(display, XELPDP_PORT_CLOCK_CTL(display, encoder->port),
- intel_cx0_get_pclk_pll_ack(INTEL_CX0_BOTH_LANES),
- intel_cx0_get_pclk_pll_ack(maxpclk_lane),
- XELPDP_PCLK_PLL_ENABLE_TIMEOUT_US, 0, NULL))
- drm_warn(display->drm, "Port %c PLL not locked after %dus.\n",
- phy_name(phy), XELPDP_PCLK_PLL_ENABLE_TIMEOUT_US);
+ if (intel_de_wait_us(display, XELPDP_PORT_CLOCK_CTL(display, encoder->port),
+ intel_cx0_get_pclk_pll_ack(INTEL_CX0_BOTH_LANES),
+ intel_cx0_get_pclk_pll_ack(maxpclk_lane),
+ XELPDP_PCLK_PLL_ENABLE_TIMEOUT_US, NULL))
+ drm_warn(display->drm, "Port %c PLL not locked\n",
+ phy_name(phy));
/*
* 11. Follow the Display Voltage Frequency Switching Sequence After
* Frequency Change. We handle this step in bxt_set_cdclk().
*/
- /* TODO: enable TBT-ALT mode */
+ /*
+ * 12. Toggle powerdown if HDMI is enabled on C10 PHY.
+ *
+ * Wa_13013502646:
+ * Fixes: HDMI lane to lane skew violations on C10 display PHYs.
+ * Workaround: Toggle powerdown value by setting first to P0 and then to P2, for both
+ * PHY lanes.
+ */
+ if (!cx0pll_state_is_dp(pll_state) && pll_state->use_c10) {
+ intel_cx0_powerdown_change_sequence(encoder, INTEL_CX0_BOTH_LANES,
+ XELPDP_P0_STATE_ACTIVE);
+ intel_cx0_powerdown_change_sequence(encoder, INTEL_CX0_BOTH_LANES,
+ XELPDP_P2_STATE_READY);
+ }
+
intel_cx0_phy_transaction_end(encoder, wakeref);
}
+void intel_mtl_tbt_pll_calc_state(struct intel_dpll_hw_state *hw_state)
+{
+ memset(hw_state, 0, sizeof(*hw_state));
+
+ hw_state->cx0pll.tbt_mode = true;
+}
+
+bool intel_mtl_tbt_pll_readout_hw_state(struct intel_display *display,
+ struct intel_dpll *pll,
+ struct intel_dpll_hw_state *hw_state)
+{
+ memset(hw_state, 0, sizeof(*hw_state));
+
+ hw_state->cx0pll.tbt_mode = true;
+
+ return true;
+}
+
int intel_mtl_tbt_calc_port_clock(struct intel_encoder *encoder)
{
struct intel_display *display = to_intel_display(encoder);
@@ -3068,10 +3298,7 @@ int intel_mtl_tbt_calc_port_clock(struct intel_encoder *encoder)
val = intel_de_read(display, XELPDP_PORT_CLOCK_CTL(display, encoder->port));
- if (DISPLAY_VER(display) >= 30)
- clock = REG_FIELD_GET(XE3_DDI_CLOCK_SELECT_MASK, val);
- else
- clock = REG_FIELD_GET(XELPDP_DDI_CLOCK_SELECT_MASK, val);
+ clock = XELPDP_DDI_CLOCK_SELECT_GET(display, val);
drm_WARN_ON(display->drm, !(val & XELPDP_FORWARD_CLOCK_UNGATE));
drm_WARN_ON(display->drm, !(val & XELPDP_TBT_CLOCK_REQUEST));
@@ -3126,8 +3353,7 @@ static int intel_mtl_tbt_clock_select(struct intel_display *display,
}
}
-static void intel_mtl_tbt_pll_enable(struct intel_encoder *encoder,
- const struct intel_crtc_state *crtc_state)
+void intel_mtl_tbt_pll_enable_clock(struct intel_encoder *encoder, int port_clock)
{
struct intel_display *display = to_intel_display(encoder);
enum phy phy = intel_encoder_to_phy(encoder);
@@ -3139,13 +3365,9 @@ static void intel_mtl_tbt_pll_enable(struct intel_encoder *encoder,
* clock muxes, gating and SSC
*/
- if (DISPLAY_VER(display) >= 30) {
- mask = XE3_DDI_CLOCK_SELECT_MASK;
- val |= XE3_DDI_CLOCK_SELECT(intel_mtl_tbt_clock_select(display, crtc_state->port_clock));
- } else {
- mask = XELPDP_DDI_CLOCK_SELECT_MASK;
- val |= XELPDP_DDI_CLOCK_SELECT(intel_mtl_tbt_clock_select(display, crtc_state->port_clock));
- }
+ mask = XELPDP_DDI_CLOCK_SELECT_MASK(display);
+ val |= XELPDP_DDI_CLOCK_SELECT_PREP(display,
+ intel_mtl_tbt_clock_select(display, port_clock));
mask |= XELPDP_FORWARD_CLOCK_UNGATE;
val |= XELPDP_FORWARD_CLOCK_UNGATE;
@@ -3168,12 +3390,9 @@ static void intel_mtl_tbt_pll_enable(struct intel_encoder *encoder,
intel_de_write(display, XELPDP_PORT_CLOCK_CTL(display, encoder->port), val);
/* 5. Poll on PORT_CLOCK_CTL TBT CLOCK Ack == "1". */
- if (intel_de_wait_custom(display, XELPDP_PORT_CLOCK_CTL(display, encoder->port),
- XELPDP_TBT_CLOCK_ACK,
- XELPDP_TBT_CLOCK_ACK,
- 100, 0, NULL))
- drm_warn(display->drm,
- "[ENCODER:%d:%s][%c] PHY PLL not locked after 100us.\n",
+ if (intel_de_wait_for_set_us(display, XELPDP_PORT_CLOCK_CTL(display, encoder->port),
+ XELPDP_TBT_CLOCK_ACK, 100))
+ drm_warn(display->drm, "[ENCODER:%d:%s][%c] PHY PLL not locked\n",
encoder->base.base.id, encoder->base.name, phy_name(phy));
/*
@@ -3186,40 +3405,82 @@ static void intel_mtl_tbt_pll_enable(struct intel_encoder *encoder,
* clock frequency.
*/
intel_de_write(display, DDI_CLK_VALFREQ(encoder->port),
- crtc_state->port_clock);
+ port_clock);
}
void intel_mtl_pll_enable(struct intel_encoder *encoder,
- const struct intel_crtc_state *crtc_state)
+ struct intel_dpll *pll,
+ const struct intel_dpll_hw_state *dpll_hw_state)
+{
+ intel_cx0pll_enable(encoder, &dpll_hw_state->cx0pll);
+}
+
+void intel_mtl_pll_enable_clock(struct intel_encoder *encoder,
+ const struct intel_crtc_state *crtc_state)
{
struct intel_digital_port *dig_port = enc_to_dig_port(encoder);
if (intel_tc_port_in_tbt_alt_mode(dig_port))
- intel_mtl_tbt_pll_enable(encoder, crtc_state);
- else
- intel_cx0pll_enable(encoder, crtc_state);
+ intel_mtl_tbt_pll_enable_clock(encoder, crtc_state->port_clock);
+}
+
+/*
+ * According to HAS we need to enable MAC Transmitting LFPS in the "PHY Common
+ * Control 0" PIPE register in case of AUX Less ALPM is going to be used. This
+ * function is doing that and is called by link retrain sequence.
+ */
+void intel_lnl_mac_transmit_lfps(struct intel_encoder *encoder,
+ const struct intel_crtc_state *crtc_state)
+{
+ struct intel_display *display = to_intel_display(encoder);
+ struct ref_tracker *wakeref;
+ int i;
+ u8 owned_lane_mask;
+
+ if (DISPLAY_VER(display) < 20 ||
+ !intel_alpm_is_alpm_aux_less(enc_to_intel_dp(encoder), crtc_state))
+ return;
+
+ owned_lane_mask = intel_cx0_get_owned_lane_mask(encoder);
+
+ wakeref = intel_cx0_phy_transaction_begin(encoder);
+
+ intel_c10_msgbus_access_begin(encoder, owned_lane_mask);
+
+ for (i = 0; i < 4; i++) {
+ int tx = i % 2 + 1;
+ u8 lane_mask = i < 2 ? INTEL_CX0_LANE0 : INTEL_CX0_LANE1;
+
+ if (!(owned_lane_mask & lane_mask))
+ continue;
+
+ intel_cx0_rmw(encoder, lane_mask, PHY_CMN1_CONTROL(tx, 0),
+ CONTROL0_MAC_TRANSMIT_LFPS,
+ CONTROL0_MAC_TRANSMIT_LFPS, MB_WRITE_COMMITTED);
+ }
+
+ intel_cx0_phy_transaction_end(encoder, wakeref);
}
static u8 cx0_power_control_disable_val(struct intel_encoder *encoder)
{
struct intel_display *display = to_intel_display(encoder);
- struct drm_i915_private *i915 = to_i915(encoder->base.dev);
if (intel_encoder_is_c10phy(encoder))
- return CX0_P2PG_STATE_DISABLE;
+ return XELPDP_P2PG_STATE_DISABLE;
- if ((IS_BATTLEMAGE(i915) && encoder->port == PORT_A) ||
+ if ((display->platform.battlemage && encoder->port == PORT_A) ||
(DISPLAY_VER(display) >= 30 && encoder->type == INTEL_OUTPUT_EDP))
- return CX0_P2PG_STATE_DISABLE;
+ return XELPDP_P2PG_STATE_DISABLE;
- return CX0_P4PG_STATE_DISABLE;
+ return XELPDP_P4PG_STATE_DISABLE;
}
static void intel_cx0pll_disable(struct intel_encoder *encoder)
{
struct intel_display *display = to_intel_display(encoder);
enum phy phy = intel_encoder_to_phy(encoder);
- intel_wakeref_t wakeref = intel_cx0_phy_transaction_begin(encoder);
+ struct ref_tracker *wakeref = intel_cx0_phy_transaction_begin(encoder);
/* 1. Change owned PHY lane power to Disable state. */
intel_cx0_powerdown_change_sequence(encoder, INTEL_CX0_BOTH_LANES,
@@ -3244,13 +3505,12 @@ static void intel_cx0pll_disable(struct intel_encoder *encoder)
/*
* 5. Poll on PORT_CLOCK_CTL PCLK PLL Ack LN<Lane for maxPCLK**> == "0".
*/
- if (intel_de_wait_custom(display, XELPDP_PORT_CLOCK_CTL(display, encoder->port),
- intel_cx0_get_pclk_pll_ack(INTEL_CX0_BOTH_LANES) |
- intel_cx0_get_pclk_refclk_ack(INTEL_CX0_BOTH_LANES), 0,
- XELPDP_PCLK_PLL_DISABLE_TIMEOUT_US, 0, NULL))
- drm_warn(display->drm,
- "Port %c PLL not unlocked after %dus.\n",
- phy_name(phy), XELPDP_PCLK_PLL_DISABLE_TIMEOUT_US);
+ if (intel_de_wait_for_clear_us(display, XELPDP_PORT_CLOCK_CTL(display, encoder->port),
+ intel_cx0_get_pclk_pll_ack(INTEL_CX0_BOTH_LANES) |
+ intel_cx0_get_pclk_refclk_ack(INTEL_CX0_BOTH_LANES),
+ XELPDP_PCLK_PLL_DISABLE_TIMEOUT_US))
+ drm_warn(display->drm, "Port %c PLL not unlocked\n",
+ phy_name(phy));
/*
* 6. Follow the Display Voltage Frequency Switching Sequence After
@@ -3259,14 +3519,24 @@ static void intel_cx0pll_disable(struct intel_encoder *encoder)
/* 7. Program PORT_CLOCK_CTL register to disable and gate clocks. */
intel_de_rmw(display, XELPDP_PORT_CLOCK_CTL(display, encoder->port),
- XELPDP_DDI_CLOCK_SELECT_MASK, 0);
+ XELPDP_DDI_CLOCK_SELECT_MASK(display), 0);
intel_de_rmw(display, XELPDP_PORT_CLOCK_CTL(display, encoder->port),
XELPDP_FORWARD_CLOCK_UNGATE, 0);
intel_cx0_phy_transaction_end(encoder, wakeref);
}
-static void intel_mtl_tbt_pll_disable(struct intel_encoder *encoder)
+static bool intel_cx0_pll_is_enabled(struct intel_encoder *encoder)
+{
+ struct intel_display *display = to_intel_display(encoder);
+ struct intel_digital_port *dig_port = enc_to_dig_port(encoder);
+ u8 lane = dig_port->lane_reversal ? INTEL_CX0_LANE1 : INTEL_CX0_LANE0;
+
+ return intel_de_read(display, XELPDP_PORT_CLOCK_CTL(display, encoder->port)) &
+ intel_cx0_get_pclk_pll_request(lane);
+}
+
+void intel_mtl_tbt_pll_disable_clock(struct intel_encoder *encoder)
{
struct intel_display *display = to_intel_display(encoder);
enum phy phy = intel_encoder_to_phy(encoder);
@@ -3283,10 +3553,9 @@ static void intel_mtl_tbt_pll_disable(struct intel_encoder *encoder)
XELPDP_TBT_CLOCK_REQUEST, 0);
/* 3. Poll on PORT_CLOCK_CTL TBT CLOCK Ack == "0". */
- if (intel_de_wait_custom(display, XELPDP_PORT_CLOCK_CTL(display, encoder->port),
- XELPDP_TBT_CLOCK_ACK, 0, 10, 0, NULL))
- drm_warn(display->drm,
- "[ENCODER:%d:%s][%c] PHY PLL not unlocked after 10us.\n",
+ if (intel_de_wait_for_clear_us(display, XELPDP_PORT_CLOCK_CTL(display, encoder->port),
+ XELPDP_TBT_CLOCK_ACK, 10))
+ drm_warn(display->drm, "[ENCODER:%d:%s][%c] PHY PLL not unlocked\n",
encoder->base.base.id, encoder->base.name, phy_name(phy));
/*
@@ -3298,7 +3567,7 @@ static void intel_mtl_tbt_pll_disable(struct intel_encoder *encoder)
* 5. Program PORT CLOCK CTRL register to disable and gate clocks
*/
intel_de_rmw(display, XELPDP_PORT_CLOCK_CTL(display, encoder->port),
- XELPDP_DDI_CLOCK_SELECT_MASK |
+ XELPDP_DDI_CLOCK_SELECT_MASK(display) |
XELPDP_FORWARD_CLOCK_UNGATE, 0);
/* 6. Program DDI_CLK_VALFREQ to 0. */
@@ -3307,12 +3576,15 @@ static void intel_mtl_tbt_pll_disable(struct intel_encoder *encoder)
void intel_mtl_pll_disable(struct intel_encoder *encoder)
{
+ intel_cx0pll_disable(encoder);
+}
+
+void intel_mtl_pll_disable_clock(struct intel_encoder *encoder)
+{
struct intel_digital_port *dig_port = enc_to_dig_port(encoder);
if (intel_tc_port_in_tbt_alt_mode(dig_port))
- intel_mtl_tbt_pll_disable(encoder);
- else
- intel_cx0pll_disable(encoder);
+ intel_mtl_tbt_pll_disable_clock(encoder);
}
enum icl_port_dpll_id
@@ -3327,7 +3599,7 @@ intel_mtl_port_pll_type(struct intel_encoder *encoder,
* handling is done via the standard shared DPLL framework.
*/
val = intel_de_read(display, XELPDP_PORT_CLOCK_CTL(display, encoder->port));
- clock = REG_FIELD_GET(XELPDP_DDI_CLOCK_SELECT_MASK, val);
+ clock = XELPDP_DDI_CLOCK_SELECT_GET(display, val);
if (clock == XELPDP_DDI_CLOCK_SELECT_MAXPCLK ||
clock == XELPDP_DDI_CLOCK_SELECT_DIV18CLK)
@@ -3336,50 +3608,20 @@ intel_mtl_port_pll_type(struct intel_encoder *encoder,
return ICL_PORT_DPLL_DEFAULT;
}
-static void intel_c10pll_state_verify(const struct intel_crtc_state *state,
- struct intel_crtc *crtc,
- struct intel_encoder *encoder,
- struct intel_c10pll_state *mpllb_hw_state)
-{
- struct intel_display *display = to_intel_display(state);
- const struct intel_c10pll_state *mpllb_sw_state = &state->dpll_hw_state.cx0pll.c10;
- int i;
-
- for (i = 0; i < ARRAY_SIZE(mpllb_sw_state->pll); i++) {
- u8 expected = mpllb_sw_state->pll[i];
-
- INTEL_DISPLAY_STATE_WARN(display, mpllb_hw_state->pll[i] != expected,
- "[CRTC:%d:%s] mismatch in C10MPLLB: Register[%d] (expected 0x%02x, found 0x%02x)",
- crtc->base.base.id, crtc->base.name, i,
- expected, mpllb_hw_state->pll[i]);
- }
-
- INTEL_DISPLAY_STATE_WARN(display, mpllb_hw_state->tx != mpllb_sw_state->tx,
- "[CRTC:%d:%s] mismatch in C10MPLLB: Register TX0 (expected 0x%02x, found 0x%02x)",
- crtc->base.base.id, crtc->base.name,
- mpllb_sw_state->tx, mpllb_hw_state->tx);
-
- INTEL_DISPLAY_STATE_WARN(display, mpllb_hw_state->cmn != mpllb_sw_state->cmn,
- "[CRTC:%d:%s] mismatch in C10MPLLB: Register CMN0 (expected 0x%02x, found 0x%02x)",
- crtc->base.base.id, crtc->base.name,
- mpllb_sw_state->cmn, mpllb_hw_state->cmn);
-}
-
-void intel_cx0pll_readout_hw_state(struct intel_encoder *encoder,
+bool intel_cx0pll_readout_hw_state(struct intel_encoder *encoder,
struct intel_cx0pll_state *pll_state)
{
- pll_state->use_c10 = false;
+ memset(pll_state, 0, sizeof(*pll_state));
- pll_state->tbt_mode = intel_tc_port_in_tbt_alt_mode(enc_to_dig_port(encoder));
- if (pll_state->tbt_mode)
- return;
+ if (!intel_cx0_pll_is_enabled(encoder))
+ return false;
- if (intel_encoder_is_c10phy(encoder)) {
- intel_c10pll_readout_hw_state(encoder, &pll_state->c10);
- pll_state->use_c10 = true;
- } else {
- intel_c20pll_readout_hw_state(encoder, &pll_state->c20);
- }
+ if (intel_encoder_is_c10phy(encoder))
+ intel_c10pll_readout_hw_state(encoder, pll_state);
+ else
+ intel_c20pll_readout_hw_state(encoder, pll_state);
+
+ return true;
}
static bool mtl_compare_hw_state_c10(const struct intel_c10pll_state *a,
@@ -3438,92 +3680,180 @@ int intel_cx0pll_calc_port_clock(struct intel_encoder *encoder,
const struct intel_cx0pll_state *pll_state)
{
if (intel_encoder_is_c10phy(encoder))
- return intel_c10pll_calc_port_clock(encoder, &pll_state->c10);
+ return intel_c10pll_calc_port_clock(&pll_state->c10);
- return intel_c20pll_calc_port_clock(encoder, &pll_state->c20);
+ return intel_c20pll_calc_port_clock(&pll_state->c20);
}
-static void intel_c20pll_state_verify(const struct intel_crtc_state *state,
- struct intel_crtc *crtc,
- struct intel_encoder *encoder,
- struct intel_c20pll_state *mpll_hw_state)
+/*
+ * WA 14022081154
+ * The dedicated display PHYs reset to a power state that blocks S0ix, increasing idle
+ * system power. After a system reset (cold boot, S3/4/5, warm reset) if a dedicated
+ * PHY is not being brought up shortly, use these steps to move the PHY to the lowest
+ * power state to save power. For PTL the workaround is needed only for port A. Port B
+ * is not connected.
+ *
+ * 1. Follow the PLL Enable Sequence, using any valid frequency such as DP 1.62 GHz.
+ * This brings lanes out of reset and enables the PLL to allow powerdown to be moved
+ * to the Disable state.
+ * 2. Follow PLL Disable Sequence. This moves powerdown to the Disable state and disables the PLL.
+ */
+void intel_cx0_pll_power_save_wa(struct intel_display *display)
{
- struct intel_display *display = to_intel_display(state);
- const struct intel_c20pll_state *mpll_sw_state = &state->dpll_hw_state.cx0pll.c20;
- bool sw_use_mpllb = intel_c20phy_use_mpllb(mpll_sw_state);
- bool hw_use_mpllb = intel_c20phy_use_mpllb(mpll_hw_state);
- int clock = intel_c20pll_calc_port_clock(encoder, mpll_sw_state);
- int i;
+ struct intel_encoder *encoder;
- INTEL_DISPLAY_STATE_WARN(display, mpll_hw_state->clock != clock,
- "[CRTC:%d:%s] mismatch in C20: Register CLOCK (expected %d, found %d)",
- crtc->base.base.id, crtc->base.name,
- mpll_sw_state->clock, mpll_hw_state->clock);
-
- INTEL_DISPLAY_STATE_WARN(display, sw_use_mpllb != hw_use_mpllb,
- "[CRTC:%d:%s] mismatch in C20: Register MPLLB selection (expected %d, found %d)",
- crtc->base.base.id, crtc->base.name,
- sw_use_mpllb, hw_use_mpllb);
-
- if (hw_use_mpllb) {
- for (i = 0; i < ARRAY_SIZE(mpll_sw_state->mpllb); i++) {
- INTEL_DISPLAY_STATE_WARN(display, mpll_hw_state->mpllb[i] != mpll_sw_state->mpllb[i],
- "[CRTC:%d:%s] mismatch in C20MPLLB: Register[%d] (expected 0x%04x, found 0x%04x)",
- crtc->base.base.id, crtc->base.name, i,
- mpll_sw_state->mpllb[i], mpll_hw_state->mpllb[i]);
- }
- } else {
- for (i = 0; i < ARRAY_SIZE(mpll_sw_state->mplla); i++) {
- INTEL_DISPLAY_STATE_WARN(display, mpll_hw_state->mplla[i] != mpll_sw_state->mplla[i],
- "[CRTC:%d:%s] mismatch in C20MPLLA: Register[%d] (expected 0x%04x, found 0x%04x)",
- crtc->base.base.id, crtc->base.name, i,
- mpll_sw_state->mplla[i], mpll_hw_state->mplla[i]);
+ if (DISPLAY_VER(display) != 30)
+ return;
+
+ for_each_intel_encoder(display->drm, encoder) {
+ struct intel_cx0pll_state pll_state = {};
+ int port_clock = 162000;
+ int lane_count = 4;
+
+ if (!intel_encoder_is_dig_port(encoder))
+ continue;
+
+ if (!intel_encoder_is_c10phy(encoder))
+ continue;
+
+ if (intel_cx0_pll_is_enabled(encoder))
+ continue;
+
+ if (intel_c10pll_calc_state_from_table(encoder,
+ mtl_c10_edp_tables,
+ true, port_clock, lane_count,
+ &pll_state) < 0) {
+ drm_WARN_ON(display->drm,
+ "Unable to calc C10 state from the tables\n");
+ continue;
}
- }
- for (i = 0; i < ARRAY_SIZE(mpll_sw_state->tx); i++) {
- INTEL_DISPLAY_STATE_WARN(display, mpll_hw_state->tx[i] != mpll_sw_state->tx[i],
- "[CRTC:%d:%s] mismatch in C20: Register TX[%i] (expected 0x%04x, found 0x%04x)",
- crtc->base.base.id, crtc->base.name, i,
- mpll_sw_state->tx[i], mpll_hw_state->tx[i]);
- }
+ drm_dbg_kms(display->drm,
+ "[ENCODER:%d:%s] Applying power saving workaround on disabled PLL\n",
+ encoder->base.base.id, encoder->base.name);
- for (i = 0; i < ARRAY_SIZE(mpll_sw_state->cmn); i++) {
- INTEL_DISPLAY_STATE_WARN(display, mpll_hw_state->cmn[i] != mpll_sw_state->cmn[i],
- "[CRTC:%d:%s] mismatch in C20: Register CMN[%i] (expected 0x%04x, found 0x%04x)",
- crtc->base.base.id, crtc->base.name, i,
- mpll_sw_state->cmn[i], mpll_hw_state->cmn[i]);
+ intel_cx0pll_enable(encoder, &pll_state);
+ intel_cx0pll_disable(encoder);
}
}
-void intel_cx0pll_state_verify(struct intel_atomic_state *state,
- struct intel_crtc *crtc)
+static void intel_c10pll_verify_clock(struct intel_display *display,
+ int precomputed_clock,
+ const char *pll_state_name,
+ const struct intel_c10pll_state *pll_state,
+ bool is_precomputed_state)
{
- struct intel_display *display = to_intel_display(state);
- const struct intel_crtc_state *new_crtc_state =
- intel_atomic_get_new_crtc_state(state, crtc);
- struct intel_encoder *encoder;
- struct intel_cx0pll_state mpll_hw_state = {};
+ struct drm_printer p;
+ int clock;
- if (DISPLAY_VER(display) < 14)
+ clock = intel_c10pll_calc_port_clock(pll_state);
+
+ if (intel_dpll_clock_matches(clock, precomputed_clock))
return;
- if (!new_crtc_state->hw.active)
+ drm_warn(display->drm,
+ "PLL state %s (%s): clock difference too high: computed %d, pre-computed %d\n",
+ pll_state_name,
+ is_precomputed_state ? "precomputed" : "computed",
+ clock, precomputed_clock);
+
+ if (!drm_debug_enabled(DRM_UT_KMS))
return;
- /* intel_get_crtc_new_encoder() only works for modeset/fastset commits */
- if (!intel_crtc_needs_modeset(new_crtc_state) &&
- !intel_crtc_needs_fastset(new_crtc_state))
+ p = drm_dbg_printer(display->drm, DRM_UT_KMS, NULL);
+
+ drm_printf(&p, "PLL state %s (%s):\n",
+ pll_state_name,
+ is_precomputed_state ? "precomputed" : "computed");
+ intel_c10pll_dump_hw_state(&p, pll_state);
+}
+
+static void intel_c10pll_verify_params(struct intel_display *display,
+ const struct intel_cx0pll_params *pll_params)
+{
+ struct intel_c10pll_state pll_state;
+
+ intel_c10pll_verify_clock(display, pll_params->clock_rate, pll_params->name, pll_params->c10, true);
+
+ if (!pll_params->is_hdmi)
return;
- encoder = intel_get_crtc_new_encoder(state, new_crtc_state);
- intel_cx0pll_readout_hw_state(encoder, &mpll_hw_state);
+ intel_snps_hdmi_pll_compute_c10pll(&pll_state, pll_params->clock_rate);
- if (mpll_hw_state.tbt_mode)
+ intel_c10pll_verify_clock(display, pll_params->clock_rate, pll_params->name, &pll_state, false);
+}
+
+static void intel_c20pll_verify_clock(struct intel_display *display,
+ int precomputed_clock,
+ const char *pll_state_name,
+ const struct intel_c20pll_state *pll_state,
+ bool is_precomputed_state)
+{
+ struct drm_printer p;
+ int clock;
+
+ clock = intel_c20pll_calc_port_clock(pll_state);
+
+ if (intel_dpll_clock_matches(clock, precomputed_clock))
return;
- if (intel_encoder_is_c10phy(encoder))
- intel_c10pll_state_verify(new_crtc_state, crtc, encoder, &mpll_hw_state.c10);
- else
- intel_c20pll_state_verify(new_crtc_state, crtc, encoder, &mpll_hw_state.c20);
+ drm_warn(display->drm,
+ "PLL state %s (%s): clock difference too high: computed %d, pre-computed %d\n",
+ pll_state_name,
+ is_precomputed_state ? "precomputed" : "computed",
+ clock, precomputed_clock);
+
+ if (!drm_debug_enabled(DRM_UT_KMS))
+ return;
+
+ p = drm_dbg_printer(display->drm, DRM_UT_KMS, NULL);
+
+ drm_printf(&p, "PLL state %s (%s):\n",
+ pll_state_name,
+ is_precomputed_state ? "precomputed" : "computed");
+ intel_c20pll_dump_hw_state(&p, pll_state);
+}
+
+static void intel_c20pll_verify_params(struct intel_display *display,
+ const struct intel_cx0pll_params *pll_params)
+{
+ struct intel_c20pll_state pll_state;
+
+ intel_c20pll_verify_clock(display, pll_params->clock_rate, pll_params->name, pll_params->c20, true);
+
+ if (!pll_params->is_hdmi)
+ return;
+
+ if (intel_c20_compute_hdmi_tmds_pll(display, pll_params->clock_rate, &pll_state) != 0)
+ return;
+
+ intel_c20pll_verify_clock(display, pll_params->clock_rate, pll_params->name, &pll_state, false);
+}
+
+static void intel_cx0pll_verify_tables(struct intel_display *display,
+ const struct intel_cx0pll_params *tables)
+{
+ int i;
+
+ for (i = 0; tables[i].name; i++) {
+ if (tables[i].is_c10)
+ intel_c10pll_verify_params(display, &tables[i]);
+ else
+ intel_c20pll_verify_params(display, &tables[i]);
+ }
+}
+
+void intel_cx0pll_verify_plls(struct intel_display *display)
+{
+ /* C10 */
+ intel_cx0pll_verify_tables(display, mtl_c10_edp_tables);
+ intel_cx0pll_verify_tables(display, mtl_c10_dp_tables);
+ intel_cx0pll_verify_tables(display, mtl_c10_hdmi_tables);
+
+ /* C20 */
+ intel_cx0pll_verify_tables(display, xe2hpd_c20_edp_tables);
+ intel_cx0pll_verify_tables(display, mtl_c20_dp_tables);
+ intel_cx0pll_verify_tables(display, xe2hpd_c20_dp_tables);
+ intel_cx0pll_verify_tables(display, xe3lpd_c20_dp_edp_tables);
+ intel_cx0pll_verify_tables(display, mtl_c20_hdmi_tables);
}