From f8ba02531476196f44a486df178b4f1fec178234 Mon Sep 17 00:00:00 2001 From: Bruce Chang Date: Sat, 29 Jan 2022 00:22:08 +0530 Subject: [PATCH] drm/i915/dg2: Add Wa_22011100796 [ Upstream commit 154cfae6158141b18d65abb0db679bb51a8294e7 ] Whenever Full soft reset is required, reset all individual engines first, and then do a full soft reset. Signed-off-by: Bruce Chang cc: Matt Roper Cc: Rodrigo Vivi Signed-off-by: Ramalingam C Reviewed-by: Matthew Auld Link: https://patchwork.freedesktop.org/patch/msgid/20220128185209.18077-5-ramalingam.c@intel.com Signed-off-by: Sasha Levin --- drivers/gpu/drm/i915/gt/intel_reset.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/gpu/drm/i915/gt/intel_reset.c b/drivers/gpu/drm/i915/gt/intel_reset.c index 91200c43951f7..b6697c1d260a5 100644 --- a/drivers/gpu/drm/i915/gt/intel_reset.c +++ b/drivers/gpu/drm/i915/gt/intel_reset.c @@ -623,6 +623,15 @@ 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 -- 2.30.2