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drm/i915/mtl: Add workarounds Wa_14017066071 and Wa_14017654203

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Both workarounds require the same implementation and apply to MTL P and
M from stepping A0 to B0 (exclusive).

v2:
  - Remove unrelated brace removal. (Matt)

Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Signed-off-by: Gustavo Sousa <gustavo.sousa@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230329212336.106161-2-gustavo.sousa@intel.com
This commit is contained in:
Radhakrishna Sripada
2023-03-29 18:23:35 -03:00
committed by Matt Roper
parent 49f6f6483b
commit 5fba65efa7
2 changed files with 10 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/gpu/drm/i915/gt/intel_gt_regs.h
View File

@@ -1146,6 +1146,7 @@
#define ENABLE_SMALLPL REG_BIT(15)
#define SC_DISABLE_POWER_OPTIMIZATION_EBB REG_BIT(9)
#define GEN11_SAMPLER_ENABLE_HEADLESS_MSG REG_BIT(5)
#define MTL_DISABLE_SAMPLER_SC_OOO REG_BIT(3)
#define GEN9_HALF_SLICE_CHICKEN7 MCR_REG(0xe194)
#define DG2_DISABLE_ROUND_ENABLE_ALLOW_FOR_SSLA REG_BIT(15)

9
drivers/gpu/drm/i915/gt/intel_workarounds.c
View File

@@ -3051,6 +3051,15 @@ general_render_compute_wa_init(struct intel_engine_cs *engine, struct i915_wa_li
add_render_compute_tuning_settings(i915, wal);
if (IS_MTL_GRAPHICS_STEP(i915, M, STEP_A0, STEP_B0) ||
IS_MTL_GRAPHICS_STEP(i915, P, STEP_A0, STEP_B0))
/*
* Wa_14017066071
* Wa_14017654203
*/
wa_mcr_masked_en(wal, GEN10_SAMPLER_MODE,
MTL_DISABLE_SAMPLER_SC_OOO);
if (IS_MTL_GRAPHICS_STEP(i915, M, STEP_A0, STEP_B0) ||
IS_MTL_GRAPHICS_STEP(i915, P, STEP_A0, STEP_B0) ||
IS_DG2_GRAPHICS_STEP(i915, G10, STEP_B0, STEP_FOREVER) ||