Commit 154cfae6 authored by Bruce Chang's avatar Bruce Chang Committed by Ramalingam C
Browse files

drm/i915/dg2: Add Wa_22011100796 



Whenever Full soft reset is required, reset all individual engines
first, and then do a full soft reset.

Signed-off-by: default avatarBruce Chang <yu.bruce.chang@intel.com>
cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: default avatarRamalingam C <ramalingam.c@intel.com>
Reviewed-by: default avatarMatthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220128185209.18077-5-ramalingam.c@intel.com
parent 2528b396

drivers/gpu/drm/i915/gt/intel_reset.c

+9 −0
Original line number Diff line number Diff line
@@ -598,6 +598,15 @@ static int gen8_reset_engines(struct intel_gt *gt, 
		 */

	}



	/*

	 * Wa_22011100796:dg2, whenever Full soft reset is required,

	 * reset all individual engines firstly, and then do a full soft reset.

	 *

	 * This is best effort, so ignore any error from the initial reset.

	 */

	if (IS_DG2(gt->i915) && engine_mask == ALL_ENGINES)

		gen11_reset_engines(gt, gt->info.engine_mask, 0);



	if (GRAPHICS_VER(gt->i915) >= 11)

		ret = gen11_reset_engines(gt, engine_mask, retry);

	else