* reference counted modeset objects like framebuffers.
*
* Returns:
- * New unique (relative to other objects in @dev) integer identifier for the
- * object.
+ * Zero on success, error code on failure.
*/
int drm_mode_object_get(struct drm_device *dev,
struct drm_mode_object *obj, uint32_t obj_type)
out:
mutex_unlock(&dev->mode_config.fb_lock);
- return 0;
+ return ret;
}
EXPORT_SYMBOL(drm_framebuffer_init);
*/
void drm_framebuffer_unregister_private(struct drm_framebuffer *fb)
{
- struct drm_device *dev = fb->dev;
+ struct drm_device *dev;
+
+ if (!fb)
+ return;
+
+ dev = fb->dev;
mutex_lock(&dev->mode_config.fb_lock);
/* Mark fb as reaped and drop idr ref. */
*/
void drm_framebuffer_remove(struct drm_framebuffer *fb)
{
- struct drm_device *dev = fb->dev;
+ struct drm_device *dev;
struct drm_crtc *crtc;
struct drm_plane *plane;
struct drm_mode_set set;
int ret;
+ if (!fb)
+ return;
+
+ dev = fb->dev;
+
WARN_ON(!list_empty(&fb->filp_head));
/*
crtc->dev = dev;
crtc->funcs = funcs;
- crtc->invert_dimensions = false;
drm_modeset_lock_init(&crtc->mutex);
ret = drm_mode_object_get(dev, &crtc->base, DRM_MODE_OBJECT_CRTC);
*/
int drm_mode_create_tv_properties(struct drm_device *dev,
unsigned int num_modes,
- char *modes[])
+ const char * const modes[])
{
struct drm_property *tv_selector;
struct drm_property *tv_subconnector;
"select subconnector",
drm_tv_select_enum_list,
ARRAY_SIZE(drm_tv_select_enum_list));
+ if (!tv_selector)
+ goto nomem;
+
dev->mode_config.tv_select_subconnector_property = tv_selector;
tv_subconnector =
"subconnector",
drm_tv_subconnector_enum_list,
ARRAY_SIZE(drm_tv_subconnector_enum_list));
+ if (!tv_subconnector)
+ goto nomem;
dev->mode_config.tv_subconnector_property = tv_subconnector;
/*
*/
dev->mode_config.tv_left_margin_property =
drm_property_create_range(dev, 0, "left margin", 0, 100);
+ if (!dev->mode_config.tv_left_margin_property)
+ goto nomem;
dev->mode_config.tv_right_margin_property =
drm_property_create_range(dev, 0, "right margin", 0, 100);
+ if (!dev->mode_config.tv_right_margin_property)
+ goto nomem;
dev->mode_config.tv_top_margin_property =
drm_property_create_range(dev, 0, "top margin", 0, 100);
+ if (!dev->mode_config.tv_top_margin_property)
+ goto nomem;
dev->mode_config.tv_bottom_margin_property =
drm_property_create_range(dev, 0, "bottom margin", 0, 100);
+ if (!dev->mode_config.tv_bottom_margin_property)
+ goto nomem;
dev->mode_config.tv_mode_property =
drm_property_create(dev, DRM_MODE_PROP_ENUM,
"mode", num_modes);
+ if (!dev->mode_config.tv_mode_property)
+ goto nomem;
+
for (i = 0; i < num_modes; i++)
drm_property_add_enum(dev->mode_config.tv_mode_property, i,
i, modes[i]);
dev->mode_config.tv_brightness_property =
drm_property_create_range(dev, 0, "brightness", 0, 100);
+ if (!dev->mode_config.tv_brightness_property)
+ goto nomem;
dev->mode_config.tv_contrast_property =
drm_property_create_range(dev, 0, "contrast", 0, 100);
+ if (!dev->mode_config.tv_contrast_property)
+ goto nomem;
dev->mode_config.tv_flicker_reduction_property =
drm_property_create_range(dev, 0, "flicker reduction", 0, 100);
+ if (!dev->mode_config.tv_flicker_reduction_property)
+ goto nomem;
dev->mode_config.tv_overscan_property =
drm_property_create_range(dev, 0, "overscan", 0, 100);
+ if (!dev->mode_config.tv_overscan_property)
+ goto nomem;
dev->mode_config.tv_saturation_property =
drm_property_create_range(dev, 0, "saturation", 0, 100);
+ if (!dev->mode_config.tv_saturation_property)
+ goto nomem;
dev->mode_config.tv_hue_property =
drm_property_create_range(dev, 0, "hue", 0, 100);
+ if (!dev->mode_config.tv_hue_property)
+ goto nomem;
return 0;
+nomem:
+ return -ENOMEM;
}
EXPORT_SYMBOL(drm_mode_create_tv_properties);
return -EINVAL;
}
+static int check_src_coords(uint32_t src_x, uint32_t src_y,
+ uint32_t src_w, uint32_t src_h,
+ const struct drm_framebuffer *fb)
+{
+ unsigned int fb_width, fb_height;
+
+ fb_width = fb->width << 16;
+ fb_height = fb->height << 16;
+
+ /* Make sure source coordinates are inside the fb. */
+ if (src_w > fb_width ||
+ src_x > fb_width - src_w ||
+ src_h > fb_height ||
+ src_y > fb_height - src_h) {
+ DRM_DEBUG_KMS("Invalid source coordinates "
+ "%u.%06ux%u.%06u+%u.%06u+%u.%06u\n",
+ src_w >> 16, ((src_w & 0xffff) * 15625) >> 10,
+ src_h >> 16, ((src_h & 0xffff) * 15625) >> 10,
+ src_x >> 16, ((src_x & 0xffff) * 15625) >> 10,
+ src_y >> 16, ((src_y & 0xffff) * 15625) >> 10);
+ return -ENOSPC;
+ }
+
+ return 0;
+}
+
/*
* setplane_internal - setplane handler for internal callers
*
uint32_t src_w, uint32_t src_h)
{
int ret = 0;
- unsigned int fb_width, fb_height;
/* No fb means shut it down */
if (!fb) {
crtc_y > INT_MAX - (int32_t) crtc_h) {
DRM_DEBUG_KMS("Invalid CRTC coordinates %ux%u+%d+%d\n",
crtc_w, crtc_h, crtc_x, crtc_y);
- return -ERANGE;
+ ret = -ERANGE;
+ goto out;
}
-
- fb_width = fb->width << 16;
- fb_height = fb->height << 16;
-
- /* Make sure source coordinates are inside the fb. */
- if (src_w > fb_width ||
- src_x > fb_width - src_w ||
- src_h > fb_height ||
- src_y > fb_height - src_h) {
- DRM_DEBUG_KMS("Invalid source coordinates "
- "%u.%06ux%u.%06u+%u.%06u+%u.%06u\n",
- src_w >> 16, ((src_w & 0xffff) * 15625) >> 10,
- src_h >> 16, ((src_h & 0xffff) * 15625) >> 10,
- src_x >> 16, ((src_x & 0xffff) * 15625) >> 10,
- src_y >> 16, ((src_y & 0xffff) * 15625) >> 10);
- ret = -ENOSPC;
+ ret = check_src_coords(src_x, src_y, src_w, src_h, fb);
+ if (ret)
goto out;
- }
plane->old_fb = plane->fb;
ret = plane->funcs->update_plane(plane, crtc, fb,
drm_crtc_get_hv_timing(mode, &hdisplay, &vdisplay);
- if (crtc->invert_dimensions)
+ if (crtc->state &&
+ crtc->primary->state->rotation & (BIT(DRM_ROTATE_90) |
+ BIT(DRM_ROTATE_270)))
swap(hdisplay, vdisplay);
- if (hdisplay > fb->width ||
- vdisplay > fb->height ||
- x > fb->width - hdisplay ||
- y > fb->height - vdisplay) {
- DRM_DEBUG_KMS("Invalid fb size %ux%u for CRTC viewport %ux%u+%d+%d%s.\n",
- fb->width, fb->height, hdisplay, vdisplay, x, y,
- crtc->invert_dimensions ? " (inverted)" : "");
- return -ENOSPC;
- }
-
- return 0;
+ return check_src_coords(x << 16, y << 16,
+ hdisplay << 16, vdisplay << 16, fb);
}
EXPORT_SYMBOL(drm_crtc_check_viewport);
if (!found)
goto fail_lookup;
- /* Mark fb as reaped, we still have a ref from fpriv->fbs. */
- __drm_framebuffer_unregister(dev, fb);
-
list_del_init(&fb->filp_head);
mutex_unlock(&dev->mode_config.fb_lock);
mutex_unlock(&file_priv->fbs_lock);
- drm_framebuffer_remove(fb);
+ drm_framebuffer_unreference(fb);
return 0;
*/
void drm_fb_release(struct drm_file *priv)
{
- struct drm_device *dev = priv->minor->dev;
struct drm_framebuffer *fb, *tfb;
/*
* at it any more.
*/
list_for_each_entry_safe(fb, tfb, &priv->fbs, filp_head) {
-
- mutex_lock(&dev->mode_config.fb_lock);
- /* Mark fb as reaped, we still have a ref from fpriv->fbs. */
- __drm_framebuffer_unregister(dev, fb);
- mutex_unlock(&dev->mode_config.fb_lock);
-
list_del_init(&fb->filp_head);
- /* This will also drop the fpriv->fbs reference. */
- drm_framebuffer_remove(fb);
+ /* This drops the fpriv->fbs reference. */
+ drm_framebuffer_unreference(fb);
}
}
goto out;
}
- ret = drm_crtc_check_viewport(crtc, crtc->x, crtc->y, &crtc->mode, fb);
+ if (crtc->state) {
+ const struct drm_plane_state *state = crtc->primary->state;
+
+ ret = check_src_coords(state->src_x, state->src_y,
+ state->src_w, state->src_h, fb);
+ } else {
+ ret = drm_crtc_check_viewport(crtc, crtc->x, crtc->y, &crtc->mode, fb);
+ }
if (ret)
goto out;
{
if (rotation & ~supported_rotations) {
rotation ^= BIT(DRM_REFLECT_X) | BIT(DRM_REFLECT_Y);
- rotation = (rotation & ~0xf) | BIT((ffs(rotation & 0xf) + 1) % 4);
+ rotation = (rotation & DRM_REFLECT_MASK) |
+ BIT((ffs(rotation & DRM_ROTATE_MASK) + 1) % 4);
}
return rotation;
*/
WARN_ON(!list_empty(&dev->mode_config.fb_list));
list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) {
- drm_framebuffer_remove(fb);
+ drm_framebuffer_free(&fb->refcount);
}
list_for_each_entry_safe(plane, plt, &dev->mode_config.plane_list,
projects / firefly-linux-kernel-4.4.55.git / blobdiff