drm/irq: Document return values more consistently
Some of the functions are documented inconsistently. Add Returns: sections where missing and use consistent style to describe the return value. Signed-off-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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@ -1006,6 +1006,9 @@ EXPORT_SYMBOL(drm_crtc_send_vblank_event);
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* drm_vblank_enable - enable the vblank interrupt on a CRTC
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* drm_vblank_enable - enable the vblank interrupt on a CRTC
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* @dev: DRM device
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* @dev: DRM device
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* @pipe: CRTC index
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* @pipe: CRTC index
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*
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* Returns:
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* Zero on success or a negative error code on failure.
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*/
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*/
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static int drm_vblank_enable(struct drm_device *dev, unsigned int pipe)
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static int drm_vblank_enable(struct drm_device *dev, unsigned int pipe)
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{
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{
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@ -1050,7 +1053,7 @@ static int drm_vblank_enable(struct drm_device *dev, unsigned int pipe)
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* This is the legacy version of drm_crtc_vblank_get().
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* This is the legacy version of drm_crtc_vblank_get().
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*
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*
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* Returns:
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* Returns:
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* Zero on success, nonzero on failure.
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* Zero on success or a negative error code on failure.
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*/
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*/
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int drm_vblank_get(struct drm_device *dev, unsigned int pipe)
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int drm_vblank_get(struct drm_device *dev, unsigned int pipe)
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{
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{
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@ -1090,7 +1093,7 @@ EXPORT_SYMBOL(drm_vblank_get);
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* This is the native kms version of drm_vblank_get().
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* This is the native kms version of drm_vblank_get().
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*
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*
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* Returns:
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* Returns:
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* Zero on success, nonzero on failure.
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* Zero on success or a negative error code on failure.
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*/
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*/
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int drm_crtc_vblank_get(struct drm_crtc *crtc)
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int drm_crtc_vblank_get(struct drm_crtc *crtc)
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{
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{
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