From 3007dc2af6e86ac00b4daf7414142637fdf50bfa Mon Sep 17 00:00:00 2001 From: Rob Clark Date: Fri, 12 Aug 2022 15:40:00 -0700 Subject: drm/virtio: Fix same-context optimization When VIRTGPU_EXECBUF_RING_IDX is used, we should be considering the timeline that the EB if running on rather than the global driver fence context. Fixes: 85c83ea915ed ("drm/virtio: implement context init: allocate an array of fence contexts") Signed-off-by: Rob Clark Link: http://patchwork.freedesktop.org/patch/msgid/20220812224001.2806463-1-robdclark@gmail.com Signed-off-by: Gerd Hoffmann --- drivers/gpu/drm/virtio/virtgpu_ioctl.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/gpu/drm/virtio/virtgpu_ioctl.c') diff --git a/drivers/gpu/drm/virtio/virtgpu_ioctl.c b/drivers/gpu/drm/virtio/virtgpu_ioctl.c index 9b2702116f93..3b1701607aae 100644 --- a/drivers/gpu/drm/virtio/virtgpu_ioctl.c +++ b/drivers/gpu/drm/virtio/virtgpu_ioctl.c @@ -168,7 +168,7 @@ static int virtio_gpu_execbuffer_ioctl(struct drm_device *dev, void *data, * array contains any fence from a foreign context. */ ret = 0; - if (!dma_fence_match_context(in_fence, vgdev->fence_drv.context)) + if (!dma_fence_match_context(in_fence, fence_ctx + ring_idx)) ret = dma_fence_wait(in_fence, true); dma_fence_put(in_fence); -- cgit v1.2.3 From 37a78445763a5921bb54e9bad01937d0dfa521c1 Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Mon, 19 Sep 2022 09:36:30 +0300 Subject: virtio-gpu: fix shift wrapping bug in virtio_gpu_fence_event_create() The ->ring_idx_mask variable is a u64 so static checkers, Smatch in this case, complain if the BIT() is not also a u64. drivers/gpu/drm/virtio/virtgpu_ioctl.c:50 virtio_gpu_fence_event_create() warn: should '(1 << ring_idx)' be a 64 bit type? Fixes: cd7f5ca33585 ("drm/virtio: implement context init: add virtio_gpu_fence_event") Signed-off-by: Dan Carpenter Reviewed-by: Chia-I Wu Link: http://patchwork.freedesktop.org/patch/msgid/YygN7jY0GdUSQSy0@kili Signed-off-by: Gerd Hoffmann --- drivers/gpu/drm/virtio/virtgpu_ioctl.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/gpu/drm/virtio/virtgpu_ioctl.c') diff --git a/drivers/gpu/drm/virtio/virtgpu_ioctl.c b/drivers/gpu/drm/virtio/virtgpu_ioctl.c index 3b1701607aae..5d05093014ac 100644 --- a/drivers/gpu/drm/virtio/virtgpu_ioctl.c +++ b/drivers/gpu/drm/virtio/virtgpu_ioctl.c @@ -47,7 +47,7 @@ static int virtio_gpu_fence_event_create(struct drm_device *dev, struct virtio_gpu_fence_event *e = NULL; int ret; - if (!(vfpriv->ring_idx_mask & (1 << ring_idx))) + if (!(vfpriv->ring_idx_mask & BIT_ULL(ring_idx))) return 0; e = kzalloc(sizeof(*e), GFP_KERNEL); -- cgit v1.2.3