Gerd Hoffmann
2020-Feb-10 10:08 UTC
[PATCH v2] drm/virtio: add drm_driver.release callback.
Split virtio_gpu_deinit(), move the drm shutdown and release to virtio_gpu_release(). Also free vbufs in case we can't queue them. Signed-off-by: Gerd Hoffmann <kraxel at redhat.com> --- drivers/gpu/drm/virtio/virtgpu_drv.h | 1 + drivers/gpu/drm/virtio/virtgpu_display.c | 1 - drivers/gpu/drm/virtio/virtgpu_drv.c | 4 ++++ drivers/gpu/drm/virtio/virtgpu_kms.c | 5 +++++ drivers/gpu/drm/virtio/virtgpu_vq.c | 9 ++++++++- 5 files changed, 18 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.h b/drivers/gpu/drm/virtio/virtgpu_drv.h index d278c8c50f39..09a485b001e7 100644 --- a/drivers/gpu/drm/virtio/virtgpu_drv.h +++ b/drivers/gpu/drm/virtio/virtgpu_drv.h @@ -217,6 +217,7 @@ extern struct drm_ioctl_desc virtio_gpu_ioctls[DRM_VIRTIO_NUM_IOCTLS]; /* virtio_kms.c */ int virtio_gpu_init(struct drm_device *dev); void virtio_gpu_deinit(struct drm_device *dev); +void virtio_gpu_release(struct drm_device *dev); int virtio_gpu_driver_open(struct drm_device *dev, struct drm_file *file); void virtio_gpu_driver_postclose(struct drm_device *dev, struct drm_file *file); diff --git a/drivers/gpu/drm/virtio/virtgpu_display.c b/drivers/gpu/drm/virtio/virtgpu_display.c index 7b0f0643bb2d..af953db4a0c9 100644 --- a/drivers/gpu/drm/virtio/virtgpu_display.c +++ b/drivers/gpu/drm/virtio/virtgpu_display.c @@ -368,6 +368,5 @@ void virtio_gpu_modeset_fini(struct virtio_gpu_device *vgdev) for (i = 0 ; i < vgdev->num_scanouts; ++i) kfree(vgdev->outputs[i].edid); - drm_atomic_helper_shutdown(vgdev->ddev); drm_mode_config_cleanup(vgdev->ddev); } diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.c b/drivers/gpu/drm/virtio/virtgpu_drv.c index 8cf27af3ad53..664a741a3b0b 100644 --- a/drivers/gpu/drm/virtio/virtgpu_drv.c +++ b/drivers/gpu/drm/virtio/virtgpu_drv.c @@ -31,6 +31,7 @@ #include <linux/pci.h> #include <drm/drm.h> +#include <drm/drm_atomic_helper.h> #include <drm/drm_drv.h> #include <drm/drm_file.h> @@ -136,6 +137,7 @@ static void virtio_gpu_remove(struct virtio_device *vdev) struct drm_device *dev = vdev->priv; drm_dev_unregister(dev); + drm_atomic_helper_shutdown(dev); virtio_gpu_deinit(dev); drm_dev_put(dev); } @@ -214,4 +216,6 @@ static struct drm_driver driver = { .major = DRIVER_MAJOR, .minor = DRIVER_MINOR, .patchlevel = DRIVER_PATCHLEVEL, + + .release = virtio_gpu_release, }; diff --git a/drivers/gpu/drm/virtio/virtgpu_kms.c b/drivers/gpu/drm/virtio/virtgpu_kms.c index c1086df49816..b45d12e3db2a 100644 --- a/drivers/gpu/drm/virtio/virtgpu_kms.c +++ b/drivers/gpu/drm/virtio/virtgpu_kms.c @@ -240,6 +240,11 @@ void virtio_gpu_deinit(struct drm_device *dev) flush_work(&vgdev->config_changed_work); vgdev->vdev->config->reset(vgdev->vdev); vgdev->vdev->config->del_vqs(vgdev->vdev); +} + +void virtio_gpu_release(struct drm_device *dev) +{ + struct virtio_gpu_device *vgdev = dev->dev_private; virtio_gpu_modeset_fini(vgdev); virtio_gpu_free_vbufs(vgdev); diff --git a/drivers/gpu/drm/virtio/virtgpu_vq.c b/drivers/gpu/drm/virtio/virtgpu_vq.c index cc02fc4bab2a..cc674b45f904 100644 --- a/drivers/gpu/drm/virtio/virtgpu_vq.c +++ b/drivers/gpu/drm/virtio/virtgpu_vq.c @@ -330,6 +330,11 @@ static void virtio_gpu_queue_ctrl_sgs(struct virtio_gpu_device *vgdev, bool notify = false; int ret; + if (!vgdev->vqs_ready) { + free_vbuf(vgdev, vbuf); + return; + } + if (vgdev->has_indirect) elemcnt = 1; @@ -462,8 +467,10 @@ static void virtio_gpu_queue_cursor(struct virtio_gpu_device *vgdev, int ret; int outcnt; - if (!vgdev->vqs_ready) + if (!vgdev->vqs_ready) { + free_vbuf(vgdev, vbuf); return; + } sg_init_one(&ccmd, vbuf->buf, vbuf->size); sgs[0] = &ccmd; -- 2.18.1
Daniel Vetter
2020-Feb-11 08:35 UTC
[PATCH v2] drm/virtio: add drm_driver.release callback.
On Mon, Feb 10, 2020 at 11:08:19AM +0100, Gerd Hoffmann wrote:> Split virtio_gpu_deinit(), move the drm shutdown and release to > virtio_gpu_release(). Also free vbufs in case we can't queue them. > > Signed-off-by: Gerd Hoffmann <kraxel at redhat.com> > --- > drivers/gpu/drm/virtio/virtgpu_drv.h | 1 + > drivers/gpu/drm/virtio/virtgpu_display.c | 1 - > drivers/gpu/drm/virtio/virtgpu_drv.c | 4 ++++ > drivers/gpu/drm/virtio/virtgpu_kms.c | 5 +++++ > drivers/gpu/drm/virtio/virtgpu_vq.c | 9 ++++++++- > 5 files changed, 18 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.h b/drivers/gpu/drm/virtio/virtgpu_drv.h > index d278c8c50f39..09a485b001e7 100644 > --- a/drivers/gpu/drm/virtio/virtgpu_drv.h > +++ b/drivers/gpu/drm/virtio/virtgpu_drv.h > @@ -217,6 +217,7 @@ extern struct drm_ioctl_desc virtio_gpu_ioctls[DRM_VIRTIO_NUM_IOCTLS]; > /* virtio_kms.c */ > int virtio_gpu_init(struct drm_device *dev); > void virtio_gpu_deinit(struct drm_device *dev); > +void virtio_gpu_release(struct drm_device *dev); > int virtio_gpu_driver_open(struct drm_device *dev, struct drm_file *file); > void virtio_gpu_driver_postclose(struct drm_device *dev, struct drm_file *file); > > diff --git a/drivers/gpu/drm/virtio/virtgpu_display.c b/drivers/gpu/drm/virtio/virtgpu_display.c > index 7b0f0643bb2d..af953db4a0c9 100644 > --- a/drivers/gpu/drm/virtio/virtgpu_display.c > +++ b/drivers/gpu/drm/virtio/virtgpu_display.c > @@ -368,6 +368,5 @@ void virtio_gpu_modeset_fini(struct virtio_gpu_device *vgdev) > > for (i = 0 ; i < vgdev->num_scanouts; ++i) > kfree(vgdev->outputs[i].edid); > - drm_atomic_helper_shutdown(vgdev->ddev); > drm_mode_config_cleanup(vgdev->ddev); > } > diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.c b/drivers/gpu/drm/virtio/virtgpu_drv.c > index 8cf27af3ad53..664a741a3b0b 100644 > --- a/drivers/gpu/drm/virtio/virtgpu_drv.c > +++ b/drivers/gpu/drm/virtio/virtgpu_drv.c > @@ -31,6 +31,7 @@ > #include <linux/pci.h> > > #include <drm/drm.h> > +#include <drm/drm_atomic_helper.h> > #include <drm/drm_drv.h> > #include <drm/drm_file.h> > > @@ -136,6 +137,7 @@ static void virtio_gpu_remove(struct virtio_device *vdev) > struct drm_device *dev = vdev->priv; > > drm_dev_unregister(dev); > + drm_atomic_helper_shutdown(dev); > virtio_gpu_deinit(dev); > drm_dev_put(dev); > } > @@ -214,4 +216,6 @@ static struct drm_driver driver = { > .major = DRIVER_MAJOR, > .minor = DRIVER_MINOR, > .patchlevel = DRIVER_PATCHLEVEL, > + > + .release = virtio_gpu_release, > }; > diff --git a/drivers/gpu/drm/virtio/virtgpu_kms.c b/drivers/gpu/drm/virtio/virtgpu_kms.c > index c1086df49816..b45d12e3db2a 100644 > --- a/drivers/gpu/drm/virtio/virtgpu_kms.c > +++ b/drivers/gpu/drm/virtio/virtgpu_kms.c > @@ -240,6 +240,11 @@ void virtio_gpu_deinit(struct drm_device *dev) > flush_work(&vgdev->config_changed_work); > vgdev->vdev->config->reset(vgdev->vdev); > vgdev->vdev->config->del_vqs(vgdev->vdev); > +} > + > +void virtio_gpu_release(struct drm_device *dev)Split lgtm, but again I think you want drm_dev_enter/exit. And maybe a changelog. -Daniel> +{ > + struct virtio_gpu_device *vgdev = dev->dev_private; > > virtio_gpu_modeset_fini(vgdev); > virtio_gpu_free_vbufs(vgdev); > diff --git a/drivers/gpu/drm/virtio/virtgpu_vq.c b/drivers/gpu/drm/virtio/virtgpu_vq.c > index cc02fc4bab2a..cc674b45f904 100644 > --- a/drivers/gpu/drm/virtio/virtgpu_vq.c > +++ b/drivers/gpu/drm/virtio/virtgpu_vq.c > @@ -330,6 +330,11 @@ static void virtio_gpu_queue_ctrl_sgs(struct virtio_gpu_device *vgdev, > bool notify = false; > int ret; > > + if (!vgdev->vqs_ready) { > + free_vbuf(vgdev, vbuf); > + return; > + } > + > if (vgdev->has_indirect) > elemcnt = 1; > > @@ -462,8 +467,10 @@ static void virtio_gpu_queue_cursor(struct virtio_gpu_device *vgdev, > int ret; > int outcnt; > > - if (!vgdev->vqs_ready) > + if (!vgdev->vqs_ready) { > + free_vbuf(vgdev, vbuf); > return; > + } > > sg_init_one(&ccmd, vbuf->buf, vbuf->size); > sgs[0] = &ccmd; > -- > 2.18.1 >-- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch
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