From 5fc2805b3e88302e9cc62f054a7aec8a0075197f Mon Sep 17 00:00:00 2001
From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Thu, 8 Nov 2018 14:00:39 +0000
Subject: [PATCH] drm/i915: Set MI_INVALIDATE_BSD for all video-decode engines
We have multiple instances of VCS but only remember to invalidate the
BSD caches on the first, ignoring the stale caches of any other engine.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181108140039.12254-1-chris@chris-wilson.co.uk
---
drivers/gpu/drm/i915/intel_lrc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index f7892ddb3f13..08fd9b12e4d7 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -1956,7 +1956,7 @@ static int gen8_emit_flush(struct i915_request *request, u32 mode)
if (mode & EMIT_INVALIDATE) {
cmd |= MI_INVALIDATE_TLB;
- if (request->engine->id == VCS)
+ if (request->engine->class == VIDEO_DECODE_CLASS)
cmd |= MI_INVALIDATE_BSD;
}
--
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