linux-kernel - [PATCH v1] drm/virtio: Fix type of dma-fence context variable

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Message-ID: <20240714205009.3408298-1-dmitry.osipenko@collabora.com>
Date: Sun, 14 Jul 2024 23:50:09 +0300
From: Dmitry Osipenko <dmitry.osipenko@...labora.com>
To: David Airlie <airlied@...hat.com>,
	Gerd Hoffmann <kraxel@...hat.com>,
	Gurchetan Singh <gurchetansingh@...omium.org>,
	Chia-I Wu <olvaffe@...il.com>,
	Rob Clark <robdclark@...il.com>,
	Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@....com>
Cc: dri-devel@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org,
	kernel@...labora.com
Subject: [PATCH v1] drm/virtio: Fix type of dma-fence context variable

Type of DMA fence context is u64. Fence-waiting code uses u32 for the
context variable, fix it.

Fixes: e4812ab8e6b1 ("drm/virtio: Refactor and optimize job submission code path")
Cc: <stable@...r.kernel.org> # v6.4+
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@...labora.com>
---
 drivers/gpu/drm/virtio/virtgpu_submit.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/virtio/virtgpu_submit.c b/drivers/gpu/drm/virtio/virtgpu_submit.c
index 1c7c7f61a222..7d34cf83f5f2 100644
--- a/drivers/gpu/drm/virtio/virtgpu_submit.c
+++ b/drivers/gpu/drm/virtio/virtgpu_submit.c
@@ -48,7 +48,7 @@ struct virtio_gpu_submit {
 static int virtio_gpu_do_fence_wait(struct virtio_gpu_submit *submit,
 				    struct dma_fence *in_fence)
 {
-	u32 context = submit->fence_ctx + submit->ring_idx;
+	u64 context = submit->fence_ctx + submit->ring_idx;
 
 	if (dma_fence_match_context(in_fence, context))
 		return 0;
-- 
2.45.2