[Intel-gfx] [PATCH 5/7] drm/i915: Always wait for the exclusive fence

Daniel Vetter daniel.vetter at ffwll.ch
Tue Jul 6 10:12:07 UTC 2021


We're lifting, or well, clarifying that the restriction that shared
fences have to be strictly after the exclusive one doesn't apply
anymore.

So adjust the code to always also wait for the exclusive fence.

Signed-off-by: Daniel Vetter <daniel.vetter at intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
Cc: "Thomas Hellström" <thomas.hellstrom at linux.intel.com>
Cc: Jason Ekstrand <jason at jlekstrand.net>
---
 drivers/gpu/drm/i915/i915_sw_fence.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_sw_fence.c b/drivers/gpu/drm/i915/i915_sw_fence.c
index 91711a46b1c7..271d321cea83 100644
--- a/drivers/gpu/drm/i915/i915_sw_fence.c
+++ b/drivers/gpu/drm/i915/i915_sw_fence.c
@@ -601,10 +601,10 @@ int i915_sw_fence_await_reservation(struct i915_sw_fence *fence,
 		for (i = 0; i < count; i++)
 			dma_fence_put(shared[i]);
 		kfree(shared);
-	} else {
-		excl = dma_resv_get_excl_unlocked(resv);
 	}
 
+	excl = dma_resv_get_excl_unlocked(resv);
+
 	if (ret >= 0 && excl) {
 		pending = i915_sw_fence_await_dma_fence(fence,
 							excl,
-- 
2.32.0



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