On Wed, Apr 15, 2020 at 09:40:02AM +0200, Daniel Vetter wrote:
> Upcasting using a container_of macro is more typesafe, faster and
> easier for the compiler to optimize.
>
> Acked-by: Gerd Hoffmann <kraxel@xxxxxxxxxx>
> Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>
> Cc: Dave Airlie <airlied@xxxxxxxxxx>
> Cc: Gerd Hoffmann <kraxel@xxxxxxxxxx>
> Cc: virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx
> Cc: spice-devel@xxxxxxxxxxxxxxxxxxxxx
Acked-by: Sam Ravnborg <sam@xxxxxxxxxxxx>
> ---
> drivers/gpu/drm/qxl/qxl_debugfs.c | 7 +++----
> drivers/gpu/drm/qxl/qxl_display.c | 32 +++++++++++++++----------------
> drivers/gpu/drm/qxl/qxl_drv.c | 8 ++++----
> drivers/gpu/drm/qxl/qxl_drv.h | 4 ++--
> drivers/gpu/drm/qxl/qxl_dumb.c | 2 +-
> drivers/gpu/drm/qxl/qxl_gem.c | 2 +-
> drivers/gpu/drm/qxl/qxl_ioctl.c | 14 +++++++-------
> drivers/gpu/drm/qxl/qxl_irq.c | 2 +-
> drivers/gpu/drm/qxl/qxl_kms.c | 1 -
> drivers/gpu/drm/qxl/qxl_object.c | 2 +-
> drivers/gpu/drm/qxl/qxl_release.c | 2 +-
> drivers/gpu/drm/qxl/qxl_ttm.c | 2 +-
> 12 files changed, 38 insertions(+), 40 deletions(-)
>
> diff --git a/drivers/gpu/drm/qxl/qxl_debugfs.c b/drivers/gpu/drm/qxl/qxl_debugfs.c
> index 88123047fdd4..524d35b648d8 100644
> --- a/drivers/gpu/drm/qxl/qxl_debugfs.c
> +++ b/drivers/gpu/drm/qxl/qxl_debugfs.c
> @@ -39,7 +39,7 @@ static int
> qxl_debugfs_irq_received(struct seq_file *m, void *data)
> {
> struct drm_info_node *node = (struct drm_info_node *) m->private;
> - struct qxl_device *qdev = node->minor->dev->dev_private;
> + struct qxl_device *qdev = to_qxl(node->minor->dev);
>
> seq_printf(m, "%d\n", atomic_read(&qdev->irq_received));
> seq_printf(m, "%d\n", atomic_read(&qdev->irq_received_display));
> @@ -53,7 +53,7 @@ static int
> qxl_debugfs_buffers_info(struct seq_file *m, void *data)
> {
> struct drm_info_node *node = (struct drm_info_node *) m->private;
> - struct qxl_device *qdev = node->minor->dev->dev_private;
> + struct qxl_device *qdev = to_qxl(node->minor->dev);
> struct qxl_bo *bo;
>
> list_for_each_entry(bo, &qdev->gem.objects, list) {
> @@ -83,8 +83,7 @@ void
> qxl_debugfs_init(struct drm_minor *minor)
> {
> #if defined(CONFIG_DEBUG_FS)
> - struct qxl_device *dev =
> - (struct qxl_device *) minor->dev->dev_private;
> + struct qxl_device *dev = to_qxl(minor->dev);
>
> drm_debugfs_create_files(qxl_debugfs_list, QXL_DEBUGFS_ENTRIES,
> minor->debugfs_root, minor);
> diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c
> index 09583a08e141..1082cd5d2fd4 100644
> --- a/drivers/gpu/drm/qxl/qxl_display.c
> +++ b/drivers/gpu/drm/qxl/qxl_display.c
> @@ -221,7 +221,7 @@ static int qxl_add_mode(struct drm_connector *connector,
> bool preferred)
> {
> struct drm_device *dev = connector->dev;
> - struct qxl_device *qdev = dev->dev_private;
> + struct qxl_device *qdev = to_qxl(dev);
> struct drm_display_mode *mode = NULL;
> int rc;
>
> @@ -242,7 +242,7 @@ static int qxl_add_mode(struct drm_connector *connector,
> static int qxl_add_monitors_config_modes(struct drm_connector *connector)
> {
> struct drm_device *dev = connector->dev;
> - struct qxl_device *qdev = dev->dev_private;
> + struct qxl_device *qdev = to_qxl(dev);
> struct qxl_output *output = drm_connector_to_qxl_output(connector);
> int h = output->index;
> struct qxl_head *head;
> @@ -310,7 +310,7 @@ static void qxl_crtc_update_monitors_config(struct drm_crtc *crtc,
> const char *reason)
> {
> struct drm_device *dev = crtc->dev;
> - struct qxl_device *qdev = dev->dev_private;
> + struct qxl_device *qdev = to_qxl(dev);
> struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
> struct qxl_head head;
> int oldcount, i = qcrtc->index;
> @@ -400,7 +400,7 @@ static int qxl_framebuffer_surface_dirty(struct drm_framebuffer *fb,
> unsigned int num_clips)
> {
> /* TODO: vmwgfx where this was cribbed from had locking. Why? */
> - struct qxl_device *qdev = fb->dev->dev_private;
> + struct qxl_device *qdev = to_qxl(fb->dev);
> struct drm_clip_rect norect;
> struct qxl_bo *qobj;
> bool is_primary;
> @@ -462,7 +462,7 @@ static const struct drm_crtc_helper_funcs qxl_crtc_helper_funcs = {
> static int qxl_primary_atomic_check(struct drm_plane *plane,
> struct drm_plane_state *state)
> {
> - struct qxl_device *qdev = plane->dev->dev_private;
> + struct qxl_device *qdev = to_qxl(plane->dev);
> struct qxl_bo *bo;
>
> if (!state->crtc || !state->fb)
> @@ -476,7 +476,7 @@ static int qxl_primary_atomic_check(struct drm_plane *plane,
> static int qxl_primary_apply_cursor(struct drm_plane *plane)
> {
> struct drm_device *dev = plane->dev;
> - struct qxl_device *qdev = dev->dev_private;
> + struct qxl_device *qdev = to_qxl(dev);
> struct drm_framebuffer *fb = plane->state->fb;
> struct qxl_crtc *qcrtc = to_qxl_crtc(plane->state->crtc);
> struct qxl_cursor_cmd *cmd;
> @@ -523,7 +523,7 @@ static int qxl_primary_apply_cursor(struct drm_plane *plane)
> static void qxl_primary_atomic_update(struct drm_plane *plane,
> struct drm_plane_state *old_state)
> {
> - struct qxl_device *qdev = plane->dev->dev_private;
> + struct qxl_device *qdev = to_qxl(plane->dev);
> struct qxl_bo *bo = gem_to_qxl_bo(plane->state->fb->obj[0]);
> struct qxl_bo *primary;
> struct drm_clip_rect norect = {
> @@ -554,7 +554,7 @@ static void qxl_primary_atomic_update(struct drm_plane *plane,
> static void qxl_primary_atomic_disable(struct drm_plane *plane,
> struct drm_plane_state *old_state)
> {
> - struct qxl_device *qdev = plane->dev->dev_private;
> + struct qxl_device *qdev = to_qxl(plane->dev);
>
> if (old_state->fb) {
> struct qxl_bo *bo = gem_to_qxl_bo(old_state->fb->obj[0]);
> @@ -570,7 +570,7 @@ static void qxl_cursor_atomic_update(struct drm_plane *plane,
> struct drm_plane_state *old_state)
> {
> struct drm_device *dev = plane->dev;
> - struct qxl_device *qdev = dev->dev_private;
> + struct qxl_device *qdev = to_qxl(dev);
> struct drm_framebuffer *fb = plane->state->fb;
> struct qxl_crtc *qcrtc = to_qxl_crtc(plane->state->crtc);
> struct qxl_release *release;
> @@ -679,7 +679,7 @@ static void qxl_cursor_atomic_update(struct drm_plane *plane,
> static void qxl_cursor_atomic_disable(struct drm_plane *plane,
> struct drm_plane_state *old_state)
> {
> - struct qxl_device *qdev = plane->dev->dev_private;
> + struct qxl_device *qdev = to_qxl(plane->dev);
> struct qxl_release *release;
> struct qxl_cursor_cmd *cmd;
> int ret;
> @@ -762,7 +762,7 @@ static void qxl_calc_dumb_shadow(struct qxl_device *qdev,
> static int qxl_plane_prepare_fb(struct drm_plane *plane,
> struct drm_plane_state *new_state)
> {
> - struct qxl_device *qdev = plane->dev->dev_private;
> + struct qxl_device *qdev = to_qxl(plane->dev);
> struct drm_gem_object *obj;
> struct qxl_bo *user_bo;
> struct qxl_surface surf;
> @@ -923,7 +923,7 @@ static int qdev_crtc_init(struct drm_device *dev, int crtc_id)
> {
> struct qxl_crtc *qxl_crtc;
> struct drm_plane *primary, *cursor;
> - struct qxl_device *qdev = dev->dev_private;
> + struct qxl_device *qdev = to_qxl(dev);
> int r;
>
> qxl_crtc = kzalloc(sizeof(struct qxl_crtc), GFP_KERNEL);
> @@ -965,7 +965,7 @@ static int qdev_crtc_init(struct drm_device *dev, int crtc_id)
> static int qxl_conn_get_modes(struct drm_connector *connector)
> {
> struct drm_device *dev = connector->dev;
> - struct qxl_device *qdev = dev->dev_private;
> + struct qxl_device *qdev = to_qxl(dev);
> struct qxl_output *output = drm_connector_to_qxl_output(connector);
> unsigned int pwidth = 1024;
> unsigned int pheight = 768;
> @@ -991,7 +991,7 @@ static enum drm_mode_status qxl_conn_mode_valid(struct drm_connector *connector,
> struct drm_display_mode *mode)
> {
> struct drm_device *ddev = connector->dev;
> - struct qxl_device *qdev = ddev->dev_private;
> + struct qxl_device *qdev = to_qxl(ddev);
>
> if (qxl_check_mode(qdev, mode->hdisplay, mode->vdisplay) != 0)
> return MODE_BAD;
> @@ -1021,7 +1021,7 @@ static enum drm_connector_status qxl_conn_detect(
> struct qxl_output *output =
> drm_connector_to_qxl_output(connector);
> struct drm_device *ddev = connector->dev;
> - struct qxl_device *qdev = ddev->dev_private;
> + struct qxl_device *qdev = to_qxl(ddev);
> bool connected = false;
>
> /* The first monitor is always connected */
> @@ -1071,7 +1071,7 @@ static int qxl_mode_create_hotplug_mode_update_property(struct qxl_device *qdev)
>
> static int qdev_output_init(struct drm_device *dev, int num_output)
> {
> - struct qxl_device *qdev = dev->dev_private;
> + struct qxl_device *qdev = to_qxl(dev);
> struct qxl_output *qxl_output;
> struct drm_connector *connector;
> struct drm_encoder *encoder;
> diff --git a/drivers/gpu/drm/qxl/qxl_drv.c b/drivers/gpu/drm/qxl/qxl_drv.c
> index 6b4ae4c5fb76..13872b882775 100644
> --- a/drivers/gpu/drm/qxl/qxl_drv.c
> +++ b/drivers/gpu/drm/qxl/qxl_drv.c
> @@ -137,7 +137,7 @@ qxl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
>
> static void qxl_drm_release(struct drm_device *dev)
> {
> - struct qxl_device *qdev = dev->dev_private;
> + struct qxl_device *qdev = to_qxl(dev);
>
> /*
> * TODO: qxl_device_fini() call should be in qxl_pci_remove(),
> @@ -164,7 +164,7 @@ DEFINE_DRM_GEM_FOPS(qxl_fops);
> static int qxl_drm_freeze(struct drm_device *dev)
> {
> struct pci_dev *pdev = dev->pdev;
> - struct qxl_device *qdev = dev->dev_private;
> + struct qxl_device *qdev = to_qxl(dev);
> int ret;
>
> ret = drm_mode_config_helper_suspend(dev);
> @@ -186,7 +186,7 @@ static int qxl_drm_freeze(struct drm_device *dev)
>
> static int qxl_drm_resume(struct drm_device *dev, bool thaw)
> {
> - struct qxl_device *qdev = dev->dev_private;
> + struct qxl_device *qdev = to_qxl(dev);
>
> qdev->ram_header->int_mask = QXL_INTERRUPT_MASK;
> if (!thaw) {
> @@ -245,7 +245,7 @@ static int qxl_pm_restore(struct device *dev)
> {
> struct pci_dev *pdev = to_pci_dev(dev);
> struct drm_device *drm_dev = pci_get_drvdata(pdev);
> - struct qxl_device *qdev = drm_dev->dev_private;
> + struct qxl_device *qdev = to_qxl(drm_dev);
>
> qxl_io_reset(qdev);
> return qxl_drm_resume(drm_dev, false);
> diff --git a/drivers/gpu/drm/qxl/qxl_drv.h b/drivers/gpu/drm/qxl/qxl_drv.h
> index 86ac191d9205..31e35f787df2 100644
> --- a/drivers/gpu/drm/qxl/qxl_drv.h
> +++ b/drivers/gpu/drm/qxl/qxl_drv.h
> @@ -192,8 +192,6 @@ struct qxl_debugfs {
>
> int qxl_debugfs_fence_init(struct qxl_device *rdev);
>
> -struct qxl_device;
> -
> struct qxl_device {
> struct drm_device ddev;
>
> @@ -273,6 +271,8 @@ struct qxl_device {
> int monitors_config_height;
> };
>
> +#define to_qxl(dev) container_of(dev, struct qxl_device, ddev)
> +
> extern const struct drm_ioctl_desc qxl_ioctls[];
> extern int qxl_max_ioctl;
>
> diff --git a/drivers/gpu/drm/qxl/qxl_dumb.c b/drivers/gpu/drm/qxl/qxl_dumb.c
> index 272d19b677d8..24e903383aa1 100644
> --- a/drivers/gpu/drm/qxl/qxl_dumb.c
> +++ b/drivers/gpu/drm/qxl/qxl_dumb.c
> @@ -32,7 +32,7 @@ int qxl_mode_dumb_create(struct drm_file *file_priv,
> struct drm_device *dev,
> struct drm_mode_create_dumb *args)
> {
> - struct qxl_device *qdev = dev->dev_private;
> + struct qxl_device *qdev = to_qxl(dev);
> struct qxl_bo *qobj;
> uint32_t handle;
> int r;
> diff --git a/drivers/gpu/drm/qxl/qxl_gem.c b/drivers/gpu/drm/qxl/qxl_gem.c
> index 69f37db1027a..5ff6fa9b799c 100644
> --- a/drivers/gpu/drm/qxl/qxl_gem.c
> +++ b/drivers/gpu/drm/qxl/qxl_gem.c
> @@ -34,7 +34,7 @@ void qxl_gem_object_free(struct drm_gem_object *gobj)
> struct qxl_device *qdev;
> struct ttm_buffer_object *tbo;
>
> - qdev = (struct qxl_device *)gobj->dev->dev_private;
> + qdev = to_qxl(gobj->dev);
>
> qxl_surface_evict(qdev, qobj, false);
>
> diff --git a/drivers/gpu/drm/qxl/qxl_ioctl.c b/drivers/gpu/drm/qxl/qxl_ioctl.c
> index 8117a45b3610..d9a583966949 100644
> --- a/drivers/gpu/drm/qxl/qxl_ioctl.c
> +++ b/drivers/gpu/drm/qxl/qxl_ioctl.c
> @@ -36,7 +36,7 @@
> static int qxl_alloc_ioctl(struct drm_device *dev, void *data,
> struct drm_file *file_priv)
> {
> - struct qxl_device *qdev = dev->dev_private;
> + struct qxl_device *qdev = to_qxl(dev);
> struct drm_qxl_alloc *qxl_alloc = data;
> int ret;
> struct qxl_bo *qobj;
> @@ -64,7 +64,7 @@ static int qxl_alloc_ioctl(struct drm_device *dev, void *data,
> static int qxl_map_ioctl(struct drm_device *dev, void *data,
> struct drm_file *file_priv)
> {
> - struct qxl_device *qdev = dev->dev_private;
> + struct qxl_device *qdev = to_qxl(dev);
> struct drm_qxl_map *qxl_map = data;
>
> return qxl_mode_dumb_mmap(file_priv, &qdev->ddev, qxl_map->handle,
> @@ -279,7 +279,7 @@ static int qxl_process_single_command(struct qxl_device *qdev,
> static int qxl_execbuffer_ioctl(struct drm_device *dev, void *data,
> struct drm_file *file_priv)
> {
> - struct qxl_device *qdev = dev->dev_private;
> + struct qxl_device *qdev = to_qxl(dev);
> struct drm_qxl_execbuffer *execbuffer = data;
> struct drm_qxl_command user_cmd;
> int cmd_num;
> @@ -304,7 +304,7 @@ static int qxl_execbuffer_ioctl(struct drm_device *dev, void *data,
> static int qxl_update_area_ioctl(struct drm_device *dev, void *data,
> struct drm_file *file)
> {
> - struct qxl_device *qdev = dev->dev_private;
> + struct qxl_device *qdev = to_qxl(dev);
> struct drm_qxl_update_area *update_area = data;
> struct qxl_rect area = {.left = update_area->left,
> .top = update_area->top,
> @@ -354,7 +354,7 @@ static int qxl_update_area_ioctl(struct drm_device *dev, void *data,
> static int qxl_getparam_ioctl(struct drm_device *dev, void *data,
> struct drm_file *file_priv)
> {
> - struct qxl_device *qdev = dev->dev_private;
> + struct qxl_device *qdev = to_qxl(dev);
> struct drm_qxl_getparam *param = data;
>
> switch (param->param) {
> @@ -373,7 +373,7 @@ static int qxl_getparam_ioctl(struct drm_device *dev, void *data,
> static int qxl_clientcap_ioctl(struct drm_device *dev, void *data,
> struct drm_file *file_priv)
> {
> - struct qxl_device *qdev = dev->dev_private;
> + struct qxl_device *qdev = to_qxl(dev);
> struct drm_qxl_clientcap *param = data;
> int byte, idx;
>
> @@ -394,7 +394,7 @@ static int qxl_clientcap_ioctl(struct drm_device *dev, void *data,
> static int qxl_alloc_surf_ioctl(struct drm_device *dev, void *data,
> struct drm_file *file)
> {
> - struct qxl_device *qdev = dev->dev_private;
> + struct qxl_device *qdev = to_qxl(dev);
> struct drm_qxl_alloc_surf *param = data;
> struct qxl_bo *qobj;
> int handle;
> diff --git a/drivers/gpu/drm/qxl/qxl_irq.c b/drivers/gpu/drm/qxl/qxl_irq.c
> index 8435af108632..1ba5a702d763 100644
> --- a/drivers/gpu/drm/qxl/qxl_irq.c
> +++ b/drivers/gpu/drm/qxl/qxl_irq.c
> @@ -32,7 +32,7 @@
> irqreturn_t qxl_irq_handler(int irq, void *arg)
> {
> struct drm_device *dev = (struct drm_device *) arg;
> - struct qxl_device *qdev = (struct qxl_device *)dev->dev_private;
> + struct qxl_device *qdev = to_qxl(dev);
> uint32_t pending;
>
> pending = xchg(&qdev->ram_header->int_pending, 0);
> diff --git a/drivers/gpu/drm/qxl/qxl_kms.c b/drivers/gpu/drm/qxl/qxl_kms.c
> index 91a34dd835d7..a6d873052cd4 100644
> --- a/drivers/gpu/drm/qxl/qxl_kms.c
> +++ b/drivers/gpu/drm/qxl/qxl_kms.c
> @@ -114,7 +114,6 @@ int qxl_device_init(struct qxl_device *qdev,
>
> qdev->ddev.pdev = pdev;
> pci_set_drvdata(pdev, &qdev->ddev);
> - qdev->ddev.dev_private = qdev;
>
> mutex_init(&qdev->gem.mutex);
> mutex_init(&qdev->update_area_mutex);
> diff --git a/drivers/gpu/drm/qxl/qxl_object.c b/drivers/gpu/drm/qxl/qxl_object.c
> index ab72dc3476e9..edc8a9916872 100644
> --- a/drivers/gpu/drm/qxl/qxl_object.c
> +++ b/drivers/gpu/drm/qxl/qxl_object.c
> @@ -33,7 +33,7 @@ static void qxl_ttm_bo_destroy(struct ttm_buffer_object *tbo)
> struct qxl_device *qdev;
>
> bo = to_qxl_bo(tbo);
> - qdev = (struct qxl_device *)bo->tbo.base.dev->dev_private;
> + qdev = to_qxl(bo->tbo.base.dev);
>
> qxl_surface_evict(qdev, bo, false);
> WARN_ON_ONCE(bo->map_count > 0);
> diff --git a/drivers/gpu/drm/qxl/qxl_release.c b/drivers/gpu/drm/qxl/qxl_release.c
> index 2feca734c7b1..4fae3e393da1 100644
> --- a/drivers/gpu/drm/qxl/qxl_release.c
> +++ b/drivers/gpu/drm/qxl/qxl_release.c
> @@ -243,7 +243,7 @@ static int qxl_release_validate_bo(struct qxl_bo *bo)
> return ret;
>
> /* allocate a surface for reserved + validated buffers */
> - ret = qxl_bo_check_id(bo->tbo.base.dev->dev_private, bo);
> + ret = qxl_bo_check_id(to_qxl(bo->tbo.base.dev), bo);
> if (ret)
> return ret;
> return 0;
> diff --git a/drivers/gpu/drm/qxl/qxl_ttm.c b/drivers/gpu/drm/qxl/qxl_ttm.c
> index 93a2eb14844b..f09a712b1ed2 100644
> --- a/drivers/gpu/drm/qxl/qxl_ttm.c
> +++ b/drivers/gpu/drm/qxl/qxl_ttm.c
> @@ -243,7 +243,7 @@ static void qxl_bo_move_notify(struct ttm_buffer_object *bo,
> if (!qxl_ttm_bo_is_qxl_bo(bo))
> return;
> qbo = to_qxl_bo(bo);
> - qdev = qbo->tbo.base.dev->dev_private;
> + qdev = to_qxl(qbo->tbo.base.dev);
>
> if (bo->mem.mem_type == TTM_PL_PRIV && qbo->surface_id)
> qxl_surface_evict(qdev, qbo, new_mem ? true : false);
> --
> 2.25.1
>
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