This is a note to let you know that I've just added the patch titled
drm/i915: Correctly set SFC capability for video engines
to the 5.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-i915-correctly-set-sfc-capability-for-video-engines.patch
and it can be found in the queue-5.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 5ce6861d36ed5207aff9e5eead4c7cc38a986586 Mon Sep 17 00:00:00 2001
From: Venkata Sandeep Dhanalakota <venkata.s.dhanalakota@xxxxxxxxx>
Date: Thu, 5 Nov 2020 17:18:42 -0800
Subject: drm/i915: Correctly set SFC capability for video engines
From: Venkata Sandeep Dhanalakota <venkata.s.dhanalakota@xxxxxxxxx>
commit 5ce6861d36ed5207aff9e5eead4c7cc38a986586 upstream.
SFC capability of video engines is not set correctly because i915
is testing for incorrect bits.
Fixes: c5d3e39caa45 ("drm/i915: Engine discovery query")
Cc: Matt Roper <matthew.d.roper@xxxxxxxxx>
Cc: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
Signed-off-by: Venkata Sandeep Dhanalakota <venkata.s.dhanalakota@xxxxxxxxx>
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@xxxxxxxxx>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx> # v5.3+
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Link: https://patchwork.freedesktop.org/patch/msgid/20201106011842.36203-1-daniele.ceraolospurio@xxxxxxxxx
(cherry picked from commit ad18fa0f5f052046cad96fee762b5c64f42dd86a)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/gt/intel_engine_cs.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/gpu/drm/i915/gt/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
@@ -370,7 +370,8 @@ static void __setup_engine_capabilities(
* instances.
*/
if ((INTEL_GEN(i915) >= 11 &&
- engine->gt->info.vdbox_sfc_access & engine->mask) ||
+ (engine->gt->info.vdbox_sfc_access &
+ BIT(engine->instance))) ||
(INTEL_GEN(i915) >= 9 && engine->instance == 0))
engine->uabi_capabilities |=
I915_VIDEO_AND_ENHANCE_CLASS_CAPABILITY_SFC;
Patches currently in stable-queue which might be from venkata.s.dhanalakota@xxxxxxxxx are
queue-5.9/drm-i915-correctly-set-sfc-capability-for-video-engines.patch
