drm/msm/sde: add sde_connector kickoff trigger callbacks
Add a callback into the connector framework to allow sending
per-frame parameters at kickoff time. Specifically, this is
needed to support the partial update feature where only a subset
region of interest is updated on the display.
Change-Id: I4a6982a33110e5b114a60b92926d43c8aced950d
Signed-off-by: Lloyd Atkinson <latkinso@codeaurora.org>
diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h
index da76fbc..4b263d3 100644
--- a/drivers/gpu/drm/msm/msm_drv.h
+++ b/drivers/gpu/drm/msm/msm_drv.h
@@ -363,6 +363,29 @@
struct msm_compression_info comp_info;
};
+#define MSM_MAX_ROI 4
+
+/**
+ * struct msm_roi_mapping - Regions of interest structure for mapping CRTC to
+ * Connector output
+ * @num_rects: number of valid rectangles in src and dst arrays
+ * @src: source roi rectangle
+ * @dst: destination roi rectangle
+ */
+struct msm_roi_mapping {
+ uint32_t num_rects;
+ struct drm_clip_rect src[MSM_MAX_ROI];
+ struct drm_clip_rect dst[MSM_MAX_ROI];
+};
+
+/**
+ * struct - msm_display_kickoff_params - info for display features at kickoff
+ * @rois: Regions of interest structure for mapping CRTC to Connector output
+ */
+struct msm_display_kickoff_params {
+ struct msm_roi_mapping *rois;
+};
+
/**
* struct msm_drm_event - defines custom event notification struct
* @base: base object required for event notification by DRM framework.