[Intel-gfx] [PATCH 3/5] drm/i915/mtl: Extend Wa_22011802037 to MTL A-step

Radhakrishna Sripada
2023-03-16T20:26:40Z

From: Madhumitha Tolakanahalli Pradeep <madhumitha.tolakanahalli.pradeep@intel.com>

Wa_22011802037 was being applied to all graphics_ver 11 & 12. This patch
updates the if statement to apply the W/A to right platforms and extends
it to MTL-M:A0.

Signed-off-by: Madhumitha Tolakanahalli Pradeep <madhumitha.tolakanahalli.pradeep@intel.com>
Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
---
drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
index 88e881b100cf..e8c4fb9c4901 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
@@ -1629,7 +1629,9 @@ static void guc_reset_state(struct intel_context *ce, u32 head, bool scrub)

static void guc_engine_reset_prepare(struct intel_engine_cs *engine)
{
- if (!IS_GRAPHICS_VER(engine->i915, 11, 12))
+ if (!(IS_MTL_GRAPHICS_STEP(engine->i915, M, STEP_A0, STEP_B0) ||
+ (GRAPHICS_VER(engine->i915) >= 11 &&
+ GRAPHICS_VER_FULL(engine->i915) < IP_VER(12, 70))))
return;

intel_engine_stop_cs(engine);
--
2.34.1