disp: msm: sde: handle partial update transitions in rounded corner

This change clear cached ROIs when rounded corner feature is
disabled to ensure full frame ROI for first frame when feature
is enabled again. This change depends on HAL change to disable PU
for one frame when RC mask config is set.

Change-Id: I4c48ccd3f64409d1b0fa19f0e6f92eab5f86d099
Signed-off-by: Anjaneya Prasad Musunuri <[email protected]>

msm/sde/sde_hw_rc.c

@@ -773,6 +773,7 @@ int sde_hw_rc_check_pu_roi(struct sde_hw_dspp *hw_dspp, void *cfg)
 	roi_list = hw_cfg->payload;
 	if (!roi_list) {
 		SDE_DEBUG("full frame update\n");
+		memset(&empty_roi_list, 0, sizeof(struct msm_roi_list));
 		roi_list = &empty_roi_list;
 	}
 
@@ -835,6 +836,7 @@ int sde_hw_rc_setup_pu_roi(struct sde_hw_dspp *hw_dspp, void *cfg)
 	roi_list = hw_cfg->payload;
 	if (!roi_list) {
 		SDE_DEBUG("full frame update\n");
+		memset(&empty_roi_list, 0, sizeof(struct msm_roi_list));
 		roi_list = &empty_roi_list;
 	}
 
@@ -904,6 +906,9 @@ int sde_hw_rc_setup_mask(struct sde_hw_dspp *hw_dspp, void *cfg)
 		memset(RC_STATE(hw_dspp).last_rc_mask_cfg, 0,
 				sizeof(struct drm_msm_rc_mask_cfg));
 		RC_STATE(hw_dspp).mask_programmed = false;
+		memset(RC_STATE(hw_dspp).last_roi_list, 0,
+				sizeof(struct msm_roi_list));
+		RC_STATE(hw_dspp).roi_programmed = false;
 
 		return 0;
 	}