diff options
| author | Vandita Kulkarni <vandita.kulkarni@intel.com> | 2021-05-18 17:06:15 -0700 |
|---|---|---|
| committer | Lucas De Marchi <lucas.demarchi@intel.com> | 2021-05-19 23:59:20 -0700 |
| commit | 247bdac958fced2fd0a9bbcfbfcfd6be67a5345a (patch) | |
| tree | ca2723191da66bbdfa54d80479bc326fa14c23b6 /drivers/gpu/drm/i915/i915_reg.h | |
| parent | 14076e464550053527165aed352c7d9f4bf77e34 (diff) | |
| download | lwn-247bdac958fced2fd0a9bbcfbfcfd6be67a5345a.tar.gz lwn-247bdac958fced2fd0a9bbcfbfcfd6be67a5345a.zip | |
drm/i915/adl_p: Add ddb allocation support
On adlp the two mbuses have two display pipes and
two DBUFS, Pipe A and D on Mbus1 and Pipe B and C on
Mbus2. The Mbus can be joined and all the DBUFS can be
used on Pipe A or B.
Bspec: 49255
Cc: Anusha Srivatsa <anusha.srivatsa@intel.com>
Signed-off-by: Vandita Kulkarni <vandita.kulkarni@intel.com>
Signed-off-by: Clinton Taylor <Clinton.A.Taylor@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210519000625.3184321-8-lucas.demarchi@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/i915_reg.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_reg.h | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index b370143a9d27..192b3db4aa17 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -7293,7 +7293,7 @@ enum { #define _PLANE_BUF_CFG_1_B 0x7127c #define _PLANE_BUF_CFG_2_B 0x7137c -#define DDB_ENTRY_MASK 0x7FF /* skl+: 10 bits, icl+ 11 bits */ +#define DDB_ENTRY_MASK 0xFFF /* skl+: 10 bits, icl+ 11 bits, adlp+ 12 bits */ #define DDB_ENTRY_END_SHIFT 16 #define _PLANE_BUF_CFG_1(pipe) \ _PIPE(pipe, _PLANE_BUF_CFG_1_A, _PLANE_BUF_CFG_1_B) @@ -8128,9 +8128,23 @@ enum { #define DISP_DATA_PARTITION_5_6 (1 << 6) #define DISP_IPC_ENABLE (1 << 3) -#define _DBUF_CTL_S1 0x45008 -#define _DBUF_CTL_S2 0x44FE8 -#define DBUF_CTL_S(slice) _MMIO(_PICK_EVEN(slice, _DBUF_CTL_S1, _DBUF_CTL_S2)) +/* + * The below are numbered starting from "S1" on gen11/gen12, but starting + * with gen13 display, the bspec switches to a 0-based numbering scheme + * (although the addresses stay the same so new S0 = old S1, new S1 = old S2). + * We'll just use the 0-based numbering here for all platforms since it's the + * way things will be named by the hardware team going forward, plus it's more + * consistent with how most of the rest of our registers are named. + */ +#define _DBUF_CTL_S0 0x45008 +#define _DBUF_CTL_S1 0x44FE8 +#define _DBUF_CTL_S2 0x44300 +#define _DBUF_CTL_S3 0x44304 +#define DBUF_CTL_S(slice) _MMIO(_PICK(slice, \ + _DBUF_CTL_S0, \ + _DBUF_CTL_S1, \ + _DBUF_CTL_S2, \ + _DBUF_CTL_S3)) #define DBUF_POWER_REQUEST REG_BIT(31) #define DBUF_POWER_STATE REG_BIT(30) #define DBUF_TRACKER_STATE_SERVICE_MASK REG_GENMASK(23, 19) |