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path: root/drivers/gpu/drm/virtio/virtgpu_prime.c
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2019-04-24Revert "drm/virtio: drop prime import/export callbacks"Dave Airlie
This patch does more harm than good, as it breaks both Xwayland and gnome-shell with X11. Xwayland requires DRI3 & DRI3 requires PRIME. X11 crash for obscure double-free reason which are hard to debug (starting X11 by hand doesn't trigger the crash). I don't see an apparent problem implementing those stub prime functions, they may return an error at run-time, and it seems to be handled fine by GNOME at least. This reverts commit b318e3ff7ca065d6b107e424c85a63d7a6798a69. [airlied: This broke userspace for virtio-gpus, and regressed things from DRI3 to DRI2. This brings back the original problem, but it's better than regressions.] Fixes: b318e3ff7ca065d6b107e424c85a63d7a6798a ("drm/virtio: drop prime import/export callbacks") Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2019-01-14drm/virtio: drop prime import/export callbacksGerd Hoffmann
Also set prime_handle_to_fd and prime_fd_to_handle to NULL, so drm will not advertive DRM_PRIME_CAP_{IMPORT,EXPORT} to userspace. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com> Reviewed-by: Dave Airlie <airlied@redhat.com> Link: http://patchwork.freedesktop.org/patch/msgid/20190110111545.26768-1-kraxel@redhat.com
2018-09-26virtio: Support prime objects vmap/vunmapEzequiel Garcia
Implement vmap/vunmap so we can export dmabufs to other drivers, such as video4linux. Tested with a virtio-gpu / vivid (virtual capture driver) pipeline, where the vivid driver imports the dmabufs exported by virtio-gpu. Note that dma_buf_vmap() does its own vmap counting, so it's not needed to take care of it in the driver. Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com> Link: http://patchwork.freedesktop.org/patch/msgid/20180925161606.17980-4-ezequiel@collabora.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2018-02-27drm/virtio: Remove multiple blank linesRodrigo Siqueira
This patch fixes the checkpatch.pl check: virtgpu_drv.c:116: CHECK: Please don't use multiple blank lines virtgpu_vq.c:599: CHECK: Please don't use multiple blank lines virtgpu_prime.c:42: CHECK: Please don't use multiple blank lines Signed-off-by: Rodrigo Siqueira <rodrigosiqueiramelo@gmail.com> Reviewed-by: Gurchetan Singh <gurchetansingh@chromium.org> Link: http://patchwork.freedesktop.org/patch/msgid/c43a006f2ed93a16fe824b4a2686a2d5e2ef56f5.1519343668.git.rodrigosiqueiramelo@gmail.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2018-02-27drm/virtio: Add */ in block comments to separate lineRodrigo Siqueira
This patch fixes the checkpatch.pl warning: virtgpu_ioctl.c:551: WARNING: Block comments use a trailing */ on a separate line ... Signed-off-by: Rodrigo Siqueira <rodrigosiqueiramelo@gmail.com> Reviewed-by: Gurchetan Singh <gurchetansingh@chromium.org> Link: http://patchwork.freedesktop.org/patch/msgid/f0bd4104a7d26bf7561c3a2b4632041c5411f1f2.1519343668.git.rodrigosiqueiramelo@gmail.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2015-10-16virtio-gpu: add basic prime supportDave Airlie
This is enough to enable DRI3. Signed-off-by: Dave Airlie <airlied@redhat.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>