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authorBruce Chang <yu.bruce.chang@intel.com>2022-01-29 00:22:08 +0530
committerRamalingam C <ramalingam.c@intel.com>2022-02-11 17:11:44 +0530
commit154cfae6158141b18d65abb0db679bb51a8294e7 (patch)
treeb7b615e0313497f11e948e2d76ec30aae7a6de7e
parent2528b396d5304a711d28f08047a8fe60daebc3ae (diff)
drm/i915/dg2: Add Wa_22011100796drm-intel-gt-next-2022-02-17
Whenever Full soft reset is required, reset all individual engines first, and then do a full soft reset. Signed-off-by: Bruce Chang <yu.bruce.chang@intel.com> cc: Matt Roper <matthew.d.roper@intel.com> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Signed-off-by: Ramalingam C <ramalingam.c@intel.com> Reviewed-by: Matthew Auld <matthew.auld@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220128185209.18077-5-ramalingam.c@intel.com
-rw-r--r--drivers/gpu/drm/i915/gt/intel_reset.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_reset.c b/drivers/gpu/drm/i915/gt/intel_reset.c
index 7be0002d9d70..cf1f8a382c45 100644
--- a/drivers/gpu/drm/i915/gt/intel_reset.c
+++ b/drivers/gpu/drm/i915/gt/intel_reset.c
@@ -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