diff options
Diffstat (limited to 'drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c')
| -rw-r--r-- | drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c index 9baeabd136d2..c41d8f82e82a 100644 --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c @@ -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); |