diff options
| author | Vinod Govindapillai <vinod.govindapillai@intel.com> | 2025-11-11 15:46:06 +0300 |
|---|---|---|
| committer | Vinod Govindapillai <vinod.govindapillai@intel.com> | 2025-11-18 13:03:13 +0300 |
| commit | de72d9df4f453c08da3d4a15ce75fbd5f891bd2e (patch) | |
| tree | dfd1a764776e6bb6c0c20be1e9d727cc92801961 | |
| parent | b84befa3126634d78e31260f538453d534742908 (diff) | |
| download | linux-de72d9df4f453c08da3d4a15ce75fbd5f891bd2e.tar.xz | |
drm/i915/fbc: Apply Wa_15018326506
Disable FBC in bmg as per the wa recommendation.
v2: use the bmg platform instead of a specific stepping
v3: wa to Wa
Bspec: 74212
Signed-off-by: Vinod Govindapillai <vinod.govindapillai@intel.com>
Reviewed-by: Mika Kahola <mika.kahola@intel.com>
Acked-by: Uma Shankar <uma.shankar@intel.com>
Link: https://patch.msgid.link/20251111124606.402380-1-vinod.govindapillai@intel.com
Signed-off-by: Vinod Govindapillai <vinod.govindapillai@intel.com>
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_display_wa.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_display_wa.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_fbc.c | 10 |
3 files changed, 13 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display_wa.c b/drivers/gpu/drm/i915/display/intel_display_wa.c index e38e5e87877c..b2e71fa61c0a 100644 --- a/drivers/gpu/drm/i915/display/intel_display_wa.c +++ b/drivers/gpu/drm/i915/display/intel_display_wa.c @@ -70,6 +70,8 @@ bool __intel_display_wa(struct intel_display *display, enum intel_display_wa wa, return DISPLAY_VER(display) == 13; case INTEL_DISPLAY_WA_22014263786: return IS_DISPLAY_VERx100(display, 1100, 1400); + case INTEL_DISPLAY_WA_15018326506: + return display->platform.battlemage; default: drm_WARN(display->drm, 1, "Missing Wa number: %s\n", name); break; diff --git a/drivers/gpu/drm/i915/display/intel_display_wa.h b/drivers/gpu/drm/i915/display/intel_display_wa.h index 3644e8e2b724..f648b00cb97d 100644 --- a/drivers/gpu/drm/i915/display/intel_display_wa.h +++ b/drivers/gpu/drm/i915/display/intel_display_wa.h @@ -26,6 +26,7 @@ enum intel_display_wa { INTEL_DISPLAY_WA_16025573575, INTEL_DISPLAY_WA_14011503117, INTEL_DISPLAY_WA_22014263786, + INTEL_DISPLAY_WA_15018326506, }; bool __intel_display_wa(struct intel_display *display, enum intel_display_wa wa, const char *name); diff --git a/drivers/gpu/drm/i915/display/intel_fbc.c b/drivers/gpu/drm/i915/display/intel_fbc.c index 437d2fda20a7..205c7266af43 100644 --- a/drivers/gpu/drm/i915/display/intel_fbc.c +++ b/drivers/gpu/drm/i915/display/intel_fbc.c @@ -1521,6 +1521,16 @@ static int intel_fbc_check_plane(struct intel_atomic_state *state, return 0; } + /* + * Wa_15018326506: + * Fixes: Underrun during media decode + * Workaround: Do not enable FBC + */ + if (intel_display_wa(display, 15018326506)) { + plane_state->no_fbc_reason = "Wa_15018326506"; + return 0; + } + /* WaFbcTurnOffFbcWhenHyperVisorIsUsed:skl,bxt */ if (intel_display_vtd_active(display) && (display->platform.skylake || display->platform.broxton)) { |