Commit 514b8a79 authored by Madhumitha Tolakanahalli Pradeep's avatar Madhumitha Tolakanahalli Pradeep Committed by Radhakrishna Sripada
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drm/i915/mtl: Extend Wa_22011802037 to MTL A-step 



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:A step.

v1.1: Fix checkpatch warning.
v2: Change the check to reflect the wa at other places(Lucas)

Bspec: 66622
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Signed-off-by: default avatarMadhumitha Tolakanahalli Pradeep <madhumitha.tolakanahalli.pradeep@intel.com>
Signed-off-by: default avatarRadhakrishna Sripada <radhakrishna.sripada@intel.com>
Reviewed-by: default avatarMatt Atwood <matthew.s.atwood@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230418220446.2205509-4-radhakrishna.sripada@intel.com
parent 0c29efa2

drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c

+6 −6
Original line number Diff line number Diff line
@@ -1629,17 +1629,17 @@ 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))

		return;



	intel_engine_stop_cs(engine);



	/*

	 * Wa_22011802037: In addition to stopping the cs, we need

	 * to wait for any pending mi force wakeups

	 */

	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))) {

		intel_engine_stop_cs(engine);

		intel_engine_wait_for_pending_mi_fw(engine);

	}

}



static void guc_reset_nop(struct intel_engine_cs *engine)

{