On Fri, 20 Dec 2019 at 10:31, Zhihui Chen chenzhihui4@huawei.com wrote:
add DPMS function to turn on/off signal of monitor
Signed-off-by: Zhihui Chen chenzhihui4@huawei.com
Thanks for the patch. Acked-by: Xinliang Liu xinliang.liu@linaro.org Applied to drm-misc-next.
drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c | 16 ++++++++++++++++ drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_regs.h | 6 ++++++ 2 files changed, 22 insertions(+)
diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c index 722e369f30d4..24de937c1cb1 100644 --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c @@ -189,6 +189,20 @@ 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) { @@ -205,6 +219,7 @@ 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, @@ -213,6 +228,7 @@ 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);diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_regs.h b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_regs.h index b63a1ee15ceb..b9e20cfcfb5a 100644 --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_regs.h +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_regs.h @@ -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
-- 2.20.1