disp: msm: sde: Fix suspend-resume issue after switching dsi clk

Fixes suspend-resume not working after switching dsi clk for
video mode. While switching the dsi clk, FLAG_SEAMLESS_DYN_CLK
is set leading to enable dsi clks which causes extra refcount.
Add check for command mode.

Change-Id: I814eb9c87daf387b5d57c5a3dddf7ae1e60fe784
Signed-off-by: Ritesh Kumar <[email protected]>

msm/sde/sde_encoder.c

@@ -2728,7 +2728,7 @@ static void sde_encoder_virt_mode_set(struct drm_encoder *drm_enc,
 	struct sde_rm_hw_iter dsc_iter, pp_iter;
 	struct sde_rm_hw_request request_hw;
 	enum sde_intf_mode intf_mode;
-
+	bool is_cmd_mode = false;
 	int i = 0, ret;
 
 	if (!drm_enc) {
@@ -2744,6 +2744,9 @@ static void sde_encoder_virt_mode_set(struct drm_encoder *drm_enc,
 	sde_enc = to_sde_encoder_virt(drm_enc);
 	SDE_DEBUG_ENC(sde_enc, "\n");
 
+	if (sde_encoder_check_curr_mode(drm_enc, MSM_DISPLAY_CMD_MODE))
+		is_cmd_mode = true;
+
 	priv = drm_enc->dev->dev_private;
 	sde_kms = to_sde_kms(priv->kms);
 	connector_list = &sde_kms->dev->mode_config.connector_list;
@@ -2793,7 +2796,8 @@ static void sde_encoder_virt_mode_set(struct drm_encoder *drm_enc,
 
 	/* release resources before seamless mode change */
 	if (msm_is_mode_seamless_dms(adj_mode) ||
-			msm_is_mode_seamless_dyn_clk(adj_mode)) {
+			(msm_is_mode_seamless_dyn_clk(adj_mode) &&
+			 is_cmd_mode)) {
 		/* restore resource state before releasing them */
 		ret = sde_encoder_resource_control(drm_enc,
 				SDE_ENC_RC_EVENT_PRE_MODESET);
@@ -2868,7 +2872,8 @@ static void sde_encoder_virt_mode_set(struct drm_encoder *drm_enc,
 
 	/* update resources after seamless mode change */
 	if (msm_is_mode_seamless_dms(adj_mode) ||
-			msm_is_mode_seamless_dyn_clk(adj_mode))
+			(msm_is_mode_seamless_dyn_clk(adj_mode) &&
+			is_cmd_mode))
 		sde_encoder_resource_control(&sde_enc->base,
 						SDE_ENC_RC_EVENT_POST_MODESET);
 }