drm/msm/sde: add support for histogram event
Add histogram event support to notify histogram data done.
Read histogram data in event notification function and store
the data into the blob. Notify userspace with the blob id.
Change-Id: If74457e66c5f804c99d2667f866779656d349fbe
Signed-off-by: Xu Yang <yangxu@codeaurora.org>
diff --git a/drivers/gpu/drm/msm/sde/sde_color_processing.h b/drivers/gpu/drm/msm/sde/sde_color_processing.h
index 53f0844..aff07ef 100644
--- a/drivers/gpu/drm/msm/sde/sde_color_processing.h
+++ b/drivers/gpu/drm/msm/sde/sde_color_processing.h
@@ -136,4 +136,13 @@
* @crtc: Pointer to crtc.
*/
void sde_cp_crtc_post_ipc(struct drm_crtc *crtc);
+
+/**
+ * sde_cp_hist_interrupt: Api to enable/disable histogram interrupt
+ * @crtc: Pointer to crtc.
+ * @en: Variable to enable/disable interrupt.
+ * @irq: Pointer to irq callback
+ */
+int sde_cp_hist_interrupt(struct drm_crtc *crtc_drm, bool en,
+ struct sde_irq_callback *hist_irq);
#endif /*_SDE_COLOR_PROCESSING_H */