disp: msm: dp: optimize sim function handling in dp_debug

Remove edid/dpcd simulation function from dp_debug and calls to
sim bridge instead to simplify dp_debug module. Also add mst edid
support and mst hpd simulation from aux level.

Move selected mode from dp_debug module to dp_panel module to
simplify mst handling and decouple dp_debug from main dp driver.

Remove custom edid/dpcd mode from dp_panel and dp_aux module.
Remove mst connector list handling from dp_display module.

Change-Id: Ife1d2deb0e353f0a9695b7b90e5bf3459e1c81f7
Signed-off-by: Xiaowen Wu <wxiaowen@codeaurora.org>
Signed-off-by: Karim Henain <khenain@codeaurora.org>
Signed-off-by: Sudarsan Ramesh <sudarame@codeaurora.org>

msm/dp/dp_drm.c

@@ -654,10 +654,11 @@ enum drm_mode_status dp_connector_mode_valid(struct drm_connector *connector,
 		struct drm_display_mode *mode, void *display,
 		const struct msm_resource_caps_info *avail_res)
 {
-	int rc = 0;
+	int rc = 0, vrefresh;
 	struct dp_display *dp_disp;
 	struct sde_connector *sde_conn;
 	struct msm_resource_caps_info avail_dp_res;
+	struct dp_panel *dp_panel;
 
 	if (!mode || !display || !connector) {
 		DP_ERR("invalid params\n");
@@ -671,6 +672,9 @@ enum drm_mode_status dp_connector_mode_valid(struct drm_connector *connector,
 	}
 
 	dp_disp = display;
+	dp_panel = sde_conn->drv_panel;
+
+	vrefresh = drm_mode_vrefresh(mode);
 
 	rc = dp_disp->get_available_dp_resources(dp_disp, avail_res,
 			&avail_dp_res);
@@ -679,6 +683,12 @@ enum drm_mode_status dp_connector_mode_valid(struct drm_connector *connector,
 		return MODE_ERROR;
 	}
 
+	if (dp_panel->mode_override && (mode->hdisplay != dp_panel->hdisplay ||
+			mode->vdisplay != dp_panel->vdisplay ||
+			vrefresh != dp_panel->vrefresh ||
+			mode->picture_aspect_ratio != dp_panel->aspect_ratio))
+		return MODE_BAD;
+
 	return dp_disp->validate_mode(dp_disp, sde_conn->drv_panel,
 			mode, &avail_dp_res);
 }