diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_tc.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_tc.c | 131 |
1 files changed, 84 insertions, 47 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_tc.c b/drivers/gpu/drm/i915/display/intel_tc.c index b16c4d2d4077..b8d14ed8a56e 100644 --- a/drivers/gpu/drm/i915/display/intel_tc.c +++ b/drivers/gpu/drm/i915/display/intel_tc.c @@ -177,21 +177,21 @@ bool intel_tc_port_handles_hpd_glitches(struct intel_digital_port *dig_port) */ bool intel_tc_cold_requires_aux_pw(struct intel_digital_port *dig_port) { - struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev); + struct intel_display *display = to_intel_display(dig_port); struct intel_tc_port *tc = to_tc_port(dig_port); return tc_phy_cold_off_domain(tc) == - intel_display_power_legacy_aux_domain(i915, dig_port->aux_ch); + intel_display_power_legacy_aux_domain(display, dig_port->aux_ch); } static intel_wakeref_t __tc_cold_block(struct intel_tc_port *tc, enum intel_display_power_domain *domain) { - struct drm_i915_private *i915 = tc_to_i915(tc); + struct intel_display *display = to_intel_display(tc->dig_port); *domain = tc_phy_cold_off_domain(tc); - return intel_display_power_get(i915, *domain); + return intel_display_power_get(display, *domain); } static intel_wakeref_t @@ -211,9 +211,9 @@ static void __tc_cold_unblock(struct intel_tc_port *tc, enum intel_display_power_domain domain, intel_wakeref_t wakeref) { - struct drm_i915_private *i915 = tc_to_i915(tc); + struct intel_display *display = to_intel_display(tc->dig_port); - intel_display_power_put(i915, domain, wakeref); + intel_display_power_put(display, domain, wakeref); } static void @@ -230,21 +230,21 @@ tc_cold_unblock(struct intel_tc_port *tc, intel_wakeref_t wakeref) static void assert_display_core_power_enabled(struct intel_tc_port *tc) { - struct drm_i915_private *i915 = tc_to_i915(tc); + struct intel_display *display = to_intel_display(tc->dig_port); - drm_WARN_ON(&i915->drm, - !intel_display_power_is_enabled(i915, POWER_DOMAIN_DISPLAY_CORE)); + drm_WARN_ON(display->drm, + !intel_display_power_is_enabled(display, POWER_DOMAIN_DISPLAY_CORE)); } static void assert_tc_cold_blocked(struct intel_tc_port *tc) { - struct drm_i915_private *i915 = tc_to_i915(tc); + struct intel_display *display = to_intel_display(tc->dig_port); bool enabled; - enabled = intel_display_power_is_enabled(i915, + enabled = intel_display_power_is_enabled(display, tc_phy_cold_off_domain(tc)); - drm_WARN_ON(&i915->drm, !enabled); + drm_WARN_ON(display->drm, !enabled); } static enum intel_display_power_domain @@ -258,10 +258,10 @@ tc_port_power_domain(struct intel_tc_port *tc) static void assert_tc_port_power_enabled(struct intel_tc_port *tc) { - struct drm_i915_private *i915 = tc_to_i915(tc); + struct intel_display *display = to_intel_display(tc->dig_port); - drm_WARN_ON(&i915->drm, - !intel_display_power_is_enabled(i915, tc_port_power_domain(tc))); + drm_WARN_ON(display->drm, + !intel_display_power_is_enabled(display, tc_port_power_domain(tc))); } static u32 intel_tc_port_get_lane_mask(struct intel_digital_port *dig_port) @@ -296,12 +296,13 @@ u32 intel_tc_port_get_pin_assignment_mask(struct intel_digital_port *dig_port) static int lnl_tc_port_get_max_lane_count(struct intel_digital_port *dig_port) { + struct intel_display *display = to_intel_display(dig_port); struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev); enum tc_port tc_port = intel_encoder_to_tc(&dig_port->base); intel_wakeref_t wakeref; u32 val, pin_assignment; - with_intel_display_power(i915, POWER_DOMAIN_DISPLAY_CORE, wakeref) + with_intel_display_power(display, POWER_DOMAIN_DISPLAY_CORE, wakeref) val = intel_de_read(i915, TCSS_DDI_STATUS(tc_port)); pin_assignment = @@ -321,11 +322,11 @@ static int lnl_tc_port_get_max_lane_count(struct intel_digital_port *dig_port) static int mtl_tc_port_get_max_lane_count(struct intel_digital_port *dig_port) { - struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev); + struct intel_display *display = to_intel_display(dig_port); intel_wakeref_t wakeref; u32 pin_mask; - with_intel_display_power(i915, POWER_DOMAIN_DISPLAY_CORE, wakeref) + with_intel_display_power(display, POWER_DOMAIN_DISPLAY_CORE, wakeref) pin_mask = intel_tc_port_get_pin_assignment_mask(dig_port); switch (pin_mask) { @@ -342,11 +343,11 @@ static int mtl_tc_port_get_max_lane_count(struct intel_digital_port *dig_port) static int intel_tc_port_get_max_lane_count(struct intel_digital_port *dig_port) { - struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev); + struct intel_display *display = to_intel_display(dig_port); intel_wakeref_t wakeref; u32 lane_mask = 0; - with_intel_display_power(i915, POWER_DOMAIN_DISPLAY_CORE, wakeref) + with_intel_display_power(display, POWER_DOMAIN_DISPLAY_CORE, wakeref) lane_mask = intel_tc_port_get_lane_mask(dig_port); switch (lane_mask) { @@ -390,7 +391,7 @@ void intel_tc_port_set_fia_lane_count(struct intel_digital_port *dig_port, { struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev); struct intel_tc_port *tc = to_tc_port(dig_port); - bool lane_reversal = dig_port->saved_port_bits & DDI_BUF_PORT_REVERSAL; + bool lane_reversal = dig_port->lane_reversal; u32 val; if (DISPLAY_VER(i915) >= 14) @@ -477,17 +478,18 @@ static void tc_phy_load_fia_params(struct intel_tc_port *tc, bool modular_fia) static enum intel_display_power_domain icl_tc_phy_cold_off_domain(struct intel_tc_port *tc) { - struct drm_i915_private *i915 = tc_to_i915(tc); + struct intel_display *display = to_intel_display(tc->dig_port); struct intel_digital_port *dig_port = tc->dig_port; if (tc->legacy_port) - return intel_display_power_legacy_aux_domain(i915, dig_port->aux_ch); + return intel_display_power_legacy_aux_domain(display, dig_port->aux_ch); return POWER_DOMAIN_TC_COLD_OFF; } static u32 icl_tc_phy_hpd_live_status(struct intel_tc_port *tc) { + struct intel_display *display = to_intel_display(tc->dig_port); struct drm_i915_private *i915 = tc_to_i915(tc); struct intel_digital_port *dig_port = tc->dig_port; u32 isr_bit = i915->display.hotplug.pch_hpd[dig_port->base.hpd_pin]; @@ -496,7 +498,7 @@ static u32 icl_tc_phy_hpd_live_status(struct intel_tc_port *tc) u32 pch_isr; u32 mask = 0; - with_intel_display_power(i915, tc_phy_cold_off_domain(tc), wakeref) { + with_intel_display_power(display, tc_phy_cold_off_domain(tc), wakeref) { fia_isr = intel_de_read(i915, PORT_TX_DFLEXDPSP(tc->phy_fia)); pch_isr = intel_de_read(i915, SDEISR); } @@ -730,11 +732,12 @@ tgl_tc_phy_cold_off_domain(struct intel_tc_port *tc) static void tgl_tc_phy_init(struct intel_tc_port *tc) { + struct intel_display *display = to_intel_display(tc->dig_port); struct drm_i915_private *i915 = tc_to_i915(tc); intel_wakeref_t wakeref; u32 val; - with_intel_display_power(i915, tc_phy_cold_off_domain(tc), wakeref) + with_intel_display_power(display, tc_phy_cold_off_domain(tc), wakeref) val = intel_de_read(i915, PORT_TX_DFLEXDPSP(FIA1)); drm_WARN_ON(&i915->drm, val == 0xffffffff); @@ -760,17 +763,18 @@ static const struct intel_tc_phy_ops tgl_tc_phy_ops = { static enum intel_display_power_domain adlp_tc_phy_cold_off_domain(struct intel_tc_port *tc) { - struct drm_i915_private *i915 = tc_to_i915(tc); + struct intel_display *display = to_intel_display(tc->dig_port); struct intel_digital_port *dig_port = tc->dig_port; if (tc->mode != TC_PORT_TBT_ALT) - return intel_display_power_legacy_aux_domain(i915, dig_port->aux_ch); + return intel_display_power_legacy_aux_domain(display, dig_port->aux_ch); return POWER_DOMAIN_TC_COLD_OFF; } static u32 adlp_tc_phy_hpd_live_status(struct intel_tc_port *tc) { + struct intel_display *display = to_intel_display(tc->dig_port); struct drm_i915_private *i915 = tc_to_i915(tc); struct intel_digital_port *dig_port = tc->dig_port; enum hpd_pin hpd_pin = dig_port->base.hpd_pin; @@ -781,7 +785,7 @@ static u32 adlp_tc_phy_hpd_live_status(struct intel_tc_port *tc) u32 pch_isr; u32 mask = 0; - with_intel_display_power(i915, POWER_DOMAIN_DISPLAY_CORE, wakeref) { + with_intel_display_power(display, POWER_DOMAIN_DISPLAY_CORE, wakeref) { cpu_isr = intel_de_read(i915, GEN11_DE_HPD_ISR); pch_isr = intel_de_read(i915, SDEISR); } @@ -851,22 +855,23 @@ static bool adlp_tc_phy_is_owned(struct intel_tc_port *tc) static void adlp_tc_phy_get_hw_state(struct intel_tc_port *tc) { - struct drm_i915_private *i915 = tc_to_i915(tc); + struct intel_display *display = to_intel_display(tc->dig_port); enum intel_display_power_domain port_power_domain = tc_port_power_domain(tc); intel_wakeref_t port_wakeref; - port_wakeref = intel_display_power_get(i915, port_power_domain); + port_wakeref = intel_display_power_get(display, port_power_domain); tc->mode = tc_phy_get_current_mode(tc); if (tc->mode != TC_PORT_DISCONNECTED) tc->lock_wakeref = tc_cold_block(tc); - intel_display_power_put(i915, port_power_domain, port_wakeref); + intel_display_power_put(display, port_power_domain, port_wakeref); } static bool adlp_tc_phy_connect(struct intel_tc_port *tc, int required_lanes) { + struct intel_display *display = to_intel_display(tc->dig_port); struct drm_i915_private *i915 = tc_to_i915(tc); enum intel_display_power_domain port_power_domain = tc_port_power_domain(tc); @@ -877,7 +882,7 @@ static bool adlp_tc_phy_connect(struct intel_tc_port *tc, int required_lanes) return true; } - port_wakeref = intel_display_power_get(i915, port_power_domain); + port_wakeref = intel_display_power_get(display, port_power_domain); if (!adlp_tc_phy_take_ownership(tc, true) && !drm_WARN_ON(&i915->drm, tc->mode == TC_PORT_LEGACY)) { @@ -898,7 +903,7 @@ static bool adlp_tc_phy_connect(struct intel_tc_port *tc, int required_lanes) if (!tc_phy_verify_legacy_or_dp_alt_mode(tc, required_lanes)) goto out_unblock_tc_cold; - intel_display_power_put(i915, port_power_domain, port_wakeref); + intel_display_power_put(display, port_power_domain, port_wakeref); return true; @@ -907,19 +912,19 @@ out_unblock_tc_cold: out_release_phy: adlp_tc_phy_take_ownership(tc, false); out_put_port_power: - intel_display_power_put(i915, port_power_domain, port_wakeref); + intel_display_power_put(display, port_power_domain, port_wakeref); return false; } static void adlp_tc_phy_disconnect(struct intel_tc_port *tc) { - struct drm_i915_private *i915 = tc_to_i915(tc); + struct intel_display *display = to_intel_display(tc->dig_port); enum intel_display_power_domain port_power_domain = tc_port_power_domain(tc); intel_wakeref_t port_wakeref; - port_wakeref = intel_display_power_get(i915, port_power_domain); + port_wakeref = intel_display_power_get(display, port_power_domain); tc_cold_unblock(tc, fetch_and_zero(&tc->lock_wakeref)); @@ -934,7 +939,7 @@ static void adlp_tc_phy_disconnect(struct intel_tc_port *tc) MISSING_CASE(tc->mode); } - intel_display_power_put(i915, port_power_domain, port_wakeref); + intel_display_power_put(display, port_power_domain, port_wakeref); } static void adlp_tc_phy_init(struct intel_tc_port *tc) @@ -959,6 +964,7 @@ static const struct intel_tc_phy_ops adlp_tc_phy_ops = { */ static u32 xelpdp_tc_phy_hpd_live_status(struct intel_tc_port *tc) { + struct intel_display *display = to_intel_display(tc->dig_port); struct drm_i915_private *i915 = tc_to_i915(tc); struct intel_digital_port *dig_port = tc->dig_port; enum hpd_pin hpd_pin = dig_port->base.hpd_pin; @@ -969,7 +975,7 @@ static u32 xelpdp_tc_phy_hpd_live_status(struct intel_tc_port *tc) u32 pch_isr; u32 mask = 0; - with_intel_display_power(i915, POWER_DOMAIN_DISPLAY_CORE, wakeref) { + with_intel_display_power(display, POWER_DOMAIN_DISPLAY_CORE, wakeref) { pica_isr = intel_de_read(i915, PICAINTERRUPT_ISR); pch_isr = intel_de_read(i915, SDEISR); } @@ -1013,21 +1019,52 @@ xelpdp_tc_phy_wait_for_tcss_power(struct intel_tc_port *tc, bool enabled) return true; } +/* + * Gfx driver WA 14020908590 for PTL tcss_rxdetect_clkswb_req/ack + * handshake violation when pwwreq= 0->1 during TC7/10 entry + */ +static void xelpdp_tc_power_request_wa(struct intel_display *display, bool enable) +{ + /* check if mailbox is running busy */ + if (intel_de_wait_for_clear(display, TCSS_DISP_MAILBOX_IN_CMD, + TCSS_DISP_MAILBOX_IN_CMD_RUN_BUSY, 10)) { + drm_dbg_kms(display->drm, + "Timeout waiting for TCSS mailbox run/busy bit to clear\n"); + return; + } + + intel_de_write(display, TCSS_DISP_MAILBOX_IN_DATA, enable ? 1 : 0); + intel_de_write(display, TCSS_DISP_MAILBOX_IN_CMD, + TCSS_DISP_MAILBOX_IN_CMD_RUN_BUSY | + TCSS_DISP_MAILBOX_IN_CMD_DATA(0x1)); + + /* wait to clear mailbox running busy bit before continuing */ + if (intel_de_wait_for_clear(display, TCSS_DISP_MAILBOX_IN_CMD, + TCSS_DISP_MAILBOX_IN_CMD_RUN_BUSY, 10)) { + drm_dbg_kms(display->drm, + "Timeout after writing data to mailbox. Mailbox run/busy bit did not clear\n"); + return; + } +} + static void __xelpdp_tc_phy_enable_tcss_power(struct intel_tc_port *tc, bool enable) { - struct drm_i915_private *i915 = tc_to_i915(tc); + struct intel_display *display = to_intel_display(tc->dig_port); enum port port = tc->dig_port->base.port; - i915_reg_t reg = XELPDP_PORT_BUF_CTL1(i915, port); + i915_reg_t reg = XELPDP_PORT_BUF_CTL1(display, port); u32 val; assert_tc_cold_blocked(tc); - val = intel_de_read(i915, reg); + if (DISPLAY_VER(display) == 30) + xelpdp_tc_power_request_wa(display, enable); + + val = intel_de_read(display, reg); if (enable) val |= XELPDP_TCSS_POWER_REQUEST; else val &= ~XELPDP_TCSS_POWER_REQUEST; - intel_de_write(i915, reg, val); + intel_de_write(display, reg, val); } static bool xelpdp_tc_phy_enable_tcss_power(struct intel_tc_port *tc, bool enable) @@ -1405,25 +1442,25 @@ static void tc_phy_init(struct intel_tc_port *tc) static void intel_tc_port_reset_mode(struct intel_tc_port *tc, int required_lanes, bool force_disconnect) { - struct drm_i915_private *i915 = tc_to_i915(tc); + struct intel_display *display = to_intel_display(tc->dig_port); struct intel_digital_port *dig_port = tc->dig_port; enum tc_port_mode old_tc_mode = tc->mode; - intel_display_power_flush_work(i915); + intel_display_power_flush_work(display); if (!intel_tc_cold_requires_aux_pw(dig_port)) { enum intel_display_power_domain aux_domain; bool aux_powered; aux_domain = intel_aux_power_domain(dig_port); - aux_powered = intel_display_power_is_enabled(i915, aux_domain); - drm_WARN_ON(&i915->drm, aux_powered); + aux_powered = intel_display_power_is_enabled(display, aux_domain); + drm_WARN_ON(display->drm, aux_powered); } tc_phy_disconnect(tc); if (!force_disconnect) tc_phy_connect(tc, required_lanes); - drm_dbg_kms(&i915->drm, "Port %s: TC port mode reset (%s -> %s)\n", + drm_dbg_kms(display->drm, "Port %s: TC port mode reset (%s -> %s)\n", tc->port_name, tc_port_mode_name(old_tc_mode), tc_port_mode_name(tc->mode)); |