diff options
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 42 |
1 files changed, 31 insertions, 11 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index b5cbb2830420..1beeb2ab590a 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -8089,21 +8089,26 @@ static void intel_crtc_update_cursor(struct drm_crtc *crtc, intel_crtc->cursor_base = base; } -static int intel_crtc_cursor_set(struct drm_crtc *crtc, - struct drm_file *file, - uint32_t handle, - uint32_t width, uint32_t height) +/* + * intel_crtc_cursor_set_obj - Set cursor to specified GEM object + * + * Note that the object's reference will be consumed if the update fails. If + * the update succeeds, the reference of the old object (if any) will be + * consumed. + */ +static int intel_crtc_cursor_set_obj(struct drm_crtc *crtc, + struct drm_i915_gem_object *obj, + uint32_t width, uint32_t height) { struct drm_device *dev = crtc->dev; struct drm_i915_private *dev_priv = dev->dev_private; struct intel_crtc *intel_crtc = to_intel_crtc(crtc); - struct drm_i915_gem_object *obj; unsigned old_width; uint32_t addr; int ret; /* if we want to turn off the cursor ignore width and height */ - if (!handle) { + if (!obj) { DRM_DEBUG_KMS("cursor off\n"); addr = 0; obj = NULL; @@ -8119,12 +8124,8 @@ static int intel_crtc_cursor_set(struct drm_crtc *crtc, return -EINVAL; } - obj = to_intel_bo(drm_gem_object_lookup(dev, file, handle)); - if (&obj->base == NULL) - return -ENOENT; - if (obj->base.size < width * height * 4) { - DRM_DEBUG_KMS("buffer is to small\n"); + DRM_DEBUG_KMS("buffer is too small\n"); ret = -ENOMEM; goto fail; } @@ -8207,6 +8208,25 @@ fail: return ret; } +static int intel_crtc_cursor_set(struct drm_crtc *crtc, + struct drm_file *file, + uint32_t handle, + uint32_t width, uint32_t height) +{ + struct drm_device *dev = crtc->dev; + struct drm_i915_gem_object *obj; + + if (handle) { + obj = to_intel_bo(drm_gem_object_lookup(dev, file, handle)); + if (&obj->base == NULL) + return -ENOENT; + } else { + obj = NULL; + } + + return intel_crtc_cursor_set_obj(crtc, obj, width, height); +} + static int intel_crtc_cursor_move(struct drm_crtc *crtc, int x, int y) { struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |