disp: msm: sde: remove sde wrapper for clock set flags

Since clock set flags api is deprecated for new target, this
change removes sde wrapper and removes LUT memeory retention logic
from crtc module.

Change-Id: If37ec780913668c1a43f8a71e79249679526bd34
Signed-off-by: Narendra Muppalla <NarendraM@codeaurora.org>

msm/sde/sde_crtc.c

@@ -25,7 +25,6 @@
 #include <drm/drm_crtc.h>
 #include <drm/drm_probe_helper.h>
 #include <drm/drm_flip_work.h>
-#include <linux/clk/qcom.h>
 
 #include "sde_kms.h"
 #include "sde_hw_lm.h"
@@ -3774,7 +3773,6 @@ static void sde_crtc_handle_power_event(u32 event_type, void *arg)
 	struct sde_crtc_irq_info *node = NULL;
 	int ret = 0;
 	struct drm_event event;
-	struct msm_drm_private *priv;
 
 	if (!crtc) {
 		SDE_ERROR("invalid crtc\n");
@@ -3782,7 +3780,6 @@ static void sde_crtc_handle_power_event(u32 event_type, void *arg)
 	}
 	sde_crtc = to_sde_crtc(crtc);
 	cstate = to_sde_crtc_state(crtc->state);
-	priv = crtc->dev->dev_private;
 
 	mutex_lock(&sde_crtc->crtc_lock);
 
@@ -3790,12 +3787,6 @@ static void sde_crtc_handle_power_event(u32 event_type, void *arg)
 
 	switch (event_type) {
 	case SDE_POWER_EVENT_POST_ENABLE:
-		/* disable mdp LUT memory retention */
-		ret = sde_power_clk_set_flags(&priv->phandle, "lut_clk",
-					CLKFLAG_NORETAIN_MEM);
-		if (ret)
-			SDE_ERROR("disable LUT memory retention err %d\n", ret);
-
 		/* restore encoder; crtc will be programmed during commit */
 		drm_for_each_encoder_mask(encoder, crtc->dev,
 				crtc->state->encoder_mask) {
@@ -3819,11 +3810,6 @@ static void sde_crtc_handle_power_event(u32 event_type, void *arg)
 		sde_cp_crtc_post_ipc(crtc);
 		break;
 	case SDE_POWER_EVENT_PRE_DISABLE:
-		/* enable mdp LUT memory retention */
-		ret = sde_power_clk_set_flags(&priv->phandle, "lut_clk",
-					CLKFLAG_RETAIN_MEM);
-		if (ret)
-			SDE_ERROR("enable LUT memory retention err %d\n", ret);
 
 		drm_for_each_encoder_mask(encoder, crtc->dev,
 				crtc->state->encoder_mask) {