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drm/i915/guc: Enable GuC based workarounds for DG2

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There are some workarounds for DG2 that are implemented in the GuC
firmware. However, the KMD is required to enable these by setting the
appropriate flag as GuC does not know what platform it is running on.
  Wa_16011759253
  Wa_14012630569
  Wa_14013746162

Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
CC: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220415224025.3693037-4-umesh.nerlige.ramappa@intel.com
This commit is contained in:
John Harrison 2022-04-15 15:40:22 -07:00
parent dac3838109
commit c6b41c4d9b
2 changed files with 16 additions and 0 deletions
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14
drivers/gpu/drm/i915/gt/uc/intel_guc.c
View File

@ -292,6 +292,20 @@ static u32 guc_ctl_wa_flags(struct intel_guc *guc)
GRAPHICS_VER_FULL(gt->i915) < IP_VER(12, 50))
flags |= GUC_WA_POLLCS;
/* Wa_16011759253:dg2_g10:a0 */
if (IS_DG2_GRAPHICS_STEP(gt->i915, G10, STEP_A0, STEP_B0))
flags |= GUC_WA_GAM_CREDITS;
/*
* Wa_14012197797:dg2_g10:a0,dg2_g11:a0
* Wa_22011391025:dg2_g10,dg2_g11,dg2_g12
*
* The same WA bit is used for both and 22011391025 is applicable to
* all DG2.
*/
if (IS_DG2(gt->i915))
flags |= GUC_WA_DUAL_QUEUE;
/* Wa_22011802037: graphics version 12 */
if (GRAPHICS_VER(gt->i915) == 12)
flags |= GUC_WA_PRE_PARSER;

2
drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h
View File

@ -98,6 +98,8 @@
#define GUC_LOG_BUF_ADDR_SHIFT 12
#define GUC_CTL_WA 1
#define GUC_WA_GAM_CREDITS BIT(10)
#define GUC_WA_DUAL_QUEUE BIT(11)
#define GUC_WA_PRE_PARSER BIT(14)
#define GUC_WA_POLLCS BIT(18)