diff options
| -rw-r--r-- | drivers/gpu/drm/i915/i915_reg.h | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_runtime_pm.c | 2 |
2 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 607766d0a15d..e5910b76043e 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -2145,6 +2145,10 @@ enum skl_disp_power_wells { #define DPIO_PHY_STATUS (VLV_DISPLAY_BASE + 0x6240) #define DPLL_PORTD_READY_MASK (0xf) #define DISPLAY_PHY_CONTROL (VLV_DISPLAY_BASE + 0x60100) +#define PHY_LDO_DELAY_0NS 0x0 +#define PHY_LDO_DELAY_200NS 0x1 +#define PHY_LDO_DELAY_600NS 0x2 +#define PHY_LDO_SEQ_DELAY(delay, phy) ((delay) << (2*(phy)+23)) #define PHY_CH_SU_PSR 0x1 #define PHY_CH_DEEP_PSR 0x7 #define PHY_CH_POWER_MODE(mode, phy, ch) ((mode) << (6*(phy)+3*(ch)+2)) diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c index 3800be4ad76b..720b0c63b63c 100644 --- a/drivers/gpu/drm/i915/intel_runtime_pm.c +++ b/drivers/gpu/drm/i915/intel_runtime_pm.c @@ -1724,6 +1724,8 @@ static void chv_phy_control_init(struct drm_i915_private *dev_priv) * value. */ dev_priv->chv_phy_control = + PHY_LDO_SEQ_DELAY(PHY_LDO_DELAY_600NS, DPIO_PHY0) | + PHY_LDO_SEQ_DELAY(PHY_LDO_DELAY_600NS, DPIO_PHY1) | PHY_CH_POWER_MODE(PHY_CH_SU_PSR, DPIO_PHY0, DPIO_CH0) | PHY_CH_POWER_MODE(PHY_CH_SU_PSR, DPIO_PHY0, DPIO_CH1) | PHY_CH_POWER_MODE(PHY_CH_SU_PSR, DPIO_PHY1, DPIO_CH0); |