linux-stable.git/drivers/gpu/drm/virtio, branch v5.15 Linux kernel stable tree drm/virtio: set non-cross device blob uuid_state 2021-08-12T12:58:31+00:00 David Stevens stevensd@chromium.org 2021-08-11T04:04:01+00:00 3c383a3688b7d8bc83ed22b36d0fb50db0bd2608 Blob resources without the cross device flag don't have a uuid to share with other virtio devices. When exporting such blobs, set uuid_state to STATE_ERR so that virtgpu_virtio_get_uuid doesn't hang. Signed-off-by: David Stevens <stevensd@chromium.org> Link: http://patchwork.freedesktop.org/patch/msgid/20210811040401.1264234-1-stevensd@chromium.org Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> 
Blob resources without the cross device flag don't have a uuid to share
with other virtio devices. When exporting such blobs, set uuid_state to
STATE_ERR so that virtgpu_virtio_get_uuid doesn't hang.

Signed-off-by: David Stevens <stevensd@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20210811040401.1264234-1-stevensd@chromium.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
drm/aperture: Pass DRM driver structure instead of driver name 2021-07-01T09:11:55+00:00 Thomas Zimmermann tzimmermann@suse.de 2021-06-29T13:58:33+00:00 97c9bfe3f6605d41eb8f1206e6e0f62b31ba15d6 Print the name of the DRM driver when taking over fbdev devices. Makes the output to dmesg more consistent. Note that the driver name is only used for printing a string to the kernel log. No UAPI is affected by this change. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Acked-by: Nirmoy Das <nirmoy.das@amd.com> Acked-by: Chen-Yu Tsai <wens@csie.org> # sun4i Acked-by: Neil Armstrong <narmstrong@baylibre.com> # meson Link: https://patchwork.freedesktop.org/patch/msgid/20210629135833.22679-1-tzimmermann@suse.de 
Print the name of the DRM driver when taking over fbdev devices. Makes
the output to dmesg more consistent. Note that the driver name is only
used for printing a string to the kernel log. No UAPI is affected by this
change.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Nirmoy Das <nirmoy.das@amd.com>
Acked-by: Chen-Yu Tsai <wens@csie.org> # sun4i
Acked-by: Neil Armstrong <narmstrong@baylibre.com> # meson
Link: https://patchwork.freedesktop.org/patch/msgid/20210629135833.22679-1-tzimmermann@suse.de
drm/virtio: Add the fence in resource_flush if present 2021-06-23T10:12:00+00:00 Vivek Kasireddy vivek.kasireddy@intel.com 2021-06-10T23:24:56+00:00 5c68ab9276aae473b6f07191ad115bfcb09dc938 If the framebuffer associated with the plane contains a fence, then it is added to resource_flush and will be waited upon for a max of 50 msecs or until it is signalled by the Host. Cc: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Vivek Kasireddy <vivek.kasireddy@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20210610232456.671905-4-vivek.kasireddy@intel.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> 
If the framebuffer associated with the plane contains a fence, then
it is added to resource_flush and will be waited upon for a max of
50 msecs or until it is signalled by the Host.

Cc: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Vivek Kasireddy <vivek.kasireddy@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20210610232456.671905-4-vivek.kasireddy@intel.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
drm/virtio: Prepare resource_flush to accept a fence 2021-06-23T10:11:59+00:00 Vivek Kasireddy vivek.kasireddy@intel.com 2021-06-10T23:24:55+00:00 56934baef47b262e27c29f8e306d4035cf37a71e A fence will be added to resource_flush for resources that are guest blobs. Cc: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Vivek Kasireddy <vivek.kasireddy@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20210610232456.671905-3-vivek.kasireddy@intel.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> 
A fence will be added to resource_flush for resources that
are guest blobs.

Cc: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Vivek Kasireddy <vivek.kasireddy@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20210610232456.671905-3-vivek.kasireddy@intel.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
drm/virtio: Add fences for Guest blobs 2021-06-23T10:11:59+00:00 Vivek Kasireddy vivek.kasireddy@intel.com 2021-06-10T23:24:54+00:00 3a1fde58fab3d584dc465c072ac894dfe87abc32 Add prepare and cleanup routines for primary planes as well where a fence is added only if the BO/FB associated with the plane is a guest blob. Cc: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Vivek Kasireddy <vivek.kasireddy@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20210610232456.671905-2-vivek.kasireddy@intel.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> 
Add prepare and cleanup routines for primary planes as well
where a fence is added only if the BO/FB associated with the
plane is a guest blob.

Cc: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Vivek Kasireddy <vivek.kasireddy@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20210610232456.671905-2-vivek.kasireddy@intel.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
dma-buf: drop the _rcu postfix on function names v3 2021-06-06T09:19:51+00:00 Christian König christian.koenig@amd.com 2021-06-02T11:01:15+00:00 d3fae3b3daac09961ab871a25093b0ae404282d5 The functions can be called both in _rcu context as well as while holding the lock. v2: add some kerneldoc as suggested by Daniel v3: fix indentation Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Jason Ekstrand <jason@jlekstrand.net> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20210602111714.212426-7-christian.koenig@amd.com 
The functions can be called both in _rcu context as well
as while holding the lock.

v2: add some kerneldoc as suggested by Daniel
v3: fix indentation

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20210602111714.212426-7-christian.koenig@amd.com
drm/virtio: free virtqueues on probe failure 2021-05-18T08:55:31+00:00 Xie Yongji xieyongji@bytedance.com 2021-05-17T08:49:13+00:00 058acb33d100c5cceab10d2dd388cf9bc0918908 We should call virtio_gpu_deinit() to free virtqueues when drm_dev_register() failed. Signed-off-by: Xie Yongji <xieyongji@bytedance.com> Link: http://patchwork.freedesktop.org/patch/msgid/20210517084913.403-3-xieyongji@bytedance.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> 
We should call virtio_gpu_deinit() to free virtqueues when
drm_dev_register() failed.

Signed-off-by: Xie Yongji <xieyongji@bytedance.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20210517084913.403-3-xieyongji@bytedance.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
drm/virtio: Fix double free on probe failure 2021-05-18T08:55:30+00:00 Xie Yongji xieyongji@bytedance.com 2021-05-17T08:49:12+00:00 cec7f1774605a5ef47c134af62afe7c75c30b0ee The virtio_gpu_init() will free vgdev and vgdev->vbufs on failure. But such failure will be caught by virtio_gpu_probe() and then virtio_gpu_release() will be called to do some cleanup which will free vgdev and vgdev->vbufs again. So let's set dev->dev_private to NULL to avoid double free. Signed-off-by: Xie Yongji <xieyongji@bytedance.com> Link: http://patchwork.freedesktop.org/patch/msgid/20210517084913.403-2-xieyongji@bytedance.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> 
The virtio_gpu_init() will free vgdev and vgdev->vbufs on failure.
But such failure will be caught by virtio_gpu_probe() and then
virtio_gpu_release() will be called to do some cleanup which
will free vgdev and vgdev->vbufs again. So let's set dev->dev_private
to NULL to avoid double free.

Signed-off-by: Xie Yongji <xieyongji@bytedance.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20210517084913.403-2-xieyongji@bytedance.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
drm/virtio: Fixes a potential NULL pointer dereference on probe failure 2021-05-18T08:55:30+00:00 Xie Yongji xieyongji@bytedance.com 2021-05-17T08:49:11+00:00 17f46f488a5d82c5568e6e786cd760bba1c2ee09 The dev->dev_private might not be allocated if virtio_gpu_pci_quirk() or virtio_gpu_init() failed. In this case, we should avoid the cleanup in virtio_gpu_release(). Signed-off-by: Xie Yongji <xieyongji@bytedance.com> Link: http://patchwork.freedesktop.org/patch/msgid/20210517084913.403-1-xieyongji@bytedance.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> 
The dev->dev_private might not be allocated if virtio_gpu_pci_quirk()
or virtio_gpu_init() failed. In this case, we should avoid the cleanup
in virtio_gpu_release().

Signed-off-by: Xie Yongji <xieyongji@bytedance.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20210517084913.403-1-xieyongji@bytedance.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
drm/virtio: Create Dumb BOs as guest Blobs (v3) 2021-04-15T08:55:18+00:00 Vivek Kasireddy vivek.kasireddy@intel.com 2021-04-13T05:26:14+00:00 3389082bb98296ca5f31ac809a4e5dec5b069148 If support for Blob resources is available, then dumb BOs created by the driver can be considered as guest Blobs. v2: Don't skip transfer and flush commands as part of plane update as the device may have created a shared mapping. (Gerd) v3: Don't create dumb BOs as Guest blobs if Virgl is enabled. (Gurchetan) Cc: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Vivek Kasireddy <vivek.kasireddy@intel.com> Acked-by: Gurchetan Singh <gurchetansingh@chromium.org> Link: http://patchwork.freedesktop.org/patch/msgid/20210413052614.2486768-1-vivek.kasireddy@intel.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> 
If support for Blob resources is available, then dumb BOs created
by the driver can be considered as guest Blobs.

v2: Don't skip transfer and flush commands as part of plane update
as the device may have created a shared mapping. (Gerd)

v3: Don't create dumb BOs as Guest blobs if Virgl is enabled. (Gurchetan)

Cc: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Vivek Kasireddy <vivek.kasireddy@intel.com>
Acked-by: Gurchetan Singh <gurchetansingh@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20210413052614.2486768-1-vivek.kasireddy@intel.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>