Merge "drm/msm/sde: Add support for mdp LUT memory retention for display" into dev/msm-4.14-display (00ebcb91) · Commits · e / devices / android_kernel_oneplus_sm8150

drivers/gpu/drm/msm/sde/sde_crtc.c

+13 −0

Original line number	Diff line number	Diff line
		@@ -25,6 +25,7 @@
		#include <drm/drm_crtc.h>
		#include <drm/drm_crtc_helper.h>
		#include <drm/drm_flip_work.h>
		#include <linux/clk/qcom.h>

		#include "sde_kms.h"
		#include "sde_hw_lm.h"
		@@ -4131,6 +4132,12 @@ static void sde_crtc_disable(struct drm_crtc *crtc)
		msm_mode_object_event_notify(&crtc->base, crtc->dev, &event,
		(u8 *)&power_on);

		/* disable mdp LUT memory retention */
		ret = sde_power_clk_set_flags(&priv->phandle, "lut_clk",
		CLKFLAG_NORETAIN_MEM);
		if (ret)
		SDE_ERROR("failed to disable LUT memory retention %d\n", ret);

		/* destination scaler if enabled should be reconfigured on resume */
		if (cstate->num_ds_enabled)
		sde_crtc->ds_reconfig = true;
		@@ -4277,6 +4284,12 @@ static void sde_crtc_enable(struct drm_crtc *crtc,
		msm_mode_object_event_notify(&crtc->base, crtc->dev, &event,
		(u8 *)&power_on);

		/* enable mdp LUT memory retention */
		ret = sde_power_clk_set_flags(&priv->phandle, "lut_clk",
		CLKFLAG_RETAIN_MEM);
		if (ret)
		SDE_ERROR("failed to enable LUT memory retention %d\n", ret);

		mutex_unlock(&sde_crtc->crtc_lock);

		spin_lock_irqsave(&sde_crtc->spin_lock, flags);