search for: udl_gem

...0; > +} There's similar code in udl, [1] which still uses writecombine for imported buffers. Virtio does not need this? Aside from this, do you think we could handle all special cases within shmem? Best regards Thomas [1] https://cgit.freedesktop.org/drm/drm-tip/tree/drivers/gpu/drm/udl/udl_gem.c?id=28ecf94a6f1072fc4744c06f5b3d267297125b37#n20 > + > static const struct drm_gem_object_funcs virtio_gpu_gem_funcs = { > .free = virtio_gpu_free_object, > .open = virtio_gpu_gem_object_open, > @@ -86,7 +102,7 @@ static const struct drm_gem_object_funcs virtio_gpu_gem_funcs =...

virtio-gpu uses cached mappings. shmem helpers use writecombine though. So roll our own mmap function, wrapping drm_gem_shmem_mmap(), to tweak vm_page_prot accordingly. Reported-by: Gurchetan Singh <gurchetansingh at chromium.org> Signed-off-by: Gerd Hoffmann <kraxel at redhat.com> --- drivers/gpu/drm/virtio/virtgpu_object.c | 18 +++++++++++++++++- 1 file changed, 17 insertions(+),

virtio-gpu uses cached mappings. shmem helpers use writecombine though. So roll our own mmap function, wrapping drm_gem_shmem_mmap(), to tweak vm_page_prot accordingly. Reported-by: Gurchetan Singh <gurchetansingh at chromium.org> Signed-off-by: Gerd Hoffmann <kraxel at redhat.com> --- drivers/gpu/drm/virtio/virtgpu_object.c | 18 +++++++++++++++++- 1 file changed, 17 insertions(+),

...- > drivers/gpu/drm/tegra/fb.c | 8 +++--- > drivers/gpu/drm/tegra/gem.c | 10 ++++---- > drivers/gpu/drm/tilcdc/tilcdc_crtc.c | 6 ++--- > drivers/gpu/drm/udl/udl_fb.c | 6 ++--- > drivers/gpu/drm/udl/udl_gem.c | 4 +-- > drivers/gpu/drm/vc4/vc4_bo.c | 2 +- > drivers/gpu/drm/vgem/vgem_drv.c | 4 +-- > drivers/gpu/drm/vgem/vgem_fence.c | 2 +- > drivers/gpu/drm/virtio/virtgpu_display.c | 4 +-- > driv...

...| 12 ++++----- drivers/gpu/drm/tegra/fb.c | 8 +++--- drivers/gpu/drm/tegra/gem.c | 10 ++++---- drivers/gpu/drm/tilcdc/tilcdc_crtc.c | 6 ++--- drivers/gpu/drm/udl/udl_fb.c | 6 ++--- drivers/gpu/drm/udl/udl_gem.c | 4 +-- drivers/gpu/drm/vc4/vc4_bo.c | 12 ++++----- drivers/gpu/drm/vc4/vc4_crtc.c | 6 ++--- drivers/gpu/drm/vc4/vc4_gem.c | 14 +++++------ drivers/gpu/drm/vc4/vc4_kms.c | 2 +- drivers/gpu/...