drm/hisilicon/hibmc: add DPMS on/off function (5970af8b) · Commits · 戴 / test

drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c

+16 −0

Original line number	Diff line number	Diff line
		@@ -187,6 +187,20 @@ static struct drm_plane hibmc_plane_init(struct hibmc_drm_private priv)
		return plane;
		}

		static void hibmc_crtc_dpms(struct drm_crtc *crtc, int dpms)
		{
		struct hibmc_drm_private *priv = crtc->dev->dev_private;
		unsigned int reg;

		reg = readl(priv->mmio + HIBMC_CRT_DISP_CTL);
		reg &= ~HIBMC_CRT_DISP_CTL_DPMS_MASK;
		reg \|= HIBMC_FIELD(HIBMC_CRT_DISP_CTL_DPMS, dpms);
		reg &= ~HIBMC_CRT_DISP_CTL_TIMING_MASK;
		if (dpms == HIBMC_CRT_DPMS_ON)
		reg \|= HIBMC_CRT_DISP_CTL_TIMING(1);
		writel(reg, priv->mmio + HIBMC_CRT_DISP_CTL);
		}

		static void hibmc_crtc_atomic_enable(struct drm_crtc *crtc,
		struct drm_crtc_state *old_state)
		{
		@@ -203,6 +217,7 @@ static void hibmc_crtc_atomic_enable(struct drm_crtc *crtc,
		reg \|= HIBMC_CURR_GATE_DISPLAY(1);
		hibmc_set_current_gate(priv, reg);
		drm_crtc_vblank_on(crtc);
		hibmc_crtc_dpms(crtc, HIBMC_CRT_DPMS_ON);
		}

		static void hibmc_crtc_atomic_disable(struct drm_crtc *crtc,
		@@ -211,6 +226,7 @@ static void hibmc_crtc_atomic_disable(struct drm_crtc *crtc,
		unsigned int reg;
		struct hibmc_drm_private *priv = crtc->dev->dev_private;

		hibmc_crtc_dpms(crtc, HIBMC_CRT_DPMS_OFF);
		drm_crtc_vblank_off(crtc);

		hibmc_set_power_mode(priv, HIBMC_PW_MODE_CTL_MODE_SLEEP);

+6 −0

Original line number	Diff line number	Diff line
		@@ -68,6 +68,12 @@

		#define HIBMC_CRT_DISP_CTL 0x80200

		#define HIBMC_CRT_DISP_CTL_DPMS(x) ((x) << 30)
		#define HIBMC_CRT_DISP_CTL_DPMS_MASK 0xc0000000

		#define HIBMC_CRT_DPMS_ON 0
		#define HIBMC_CRT_DPMS_OFF 3

		#define HIBMC_CRT_DISP_CTL_CRTSELECT(x) ((x) << 25)
		#define HIBMC_CRT_DISP_CTL_CRTSELECT_MASK 0x2000000