diff options
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_reg.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dp.c | 10 |
2 files changed, 9 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index c2124119692d..55143cb36e74 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -3916,6 +3916,7 @@ enum skl_disp_power_wells { #define PIPECONF_INTERLACE_MODE_MASK (7 << 21) #define PIPECONF_EDP_RR_MODE_SWITCH (1 << 20) #define PIPECONF_CXSR_DOWNCLOCK (1<<16) +#define PIPECONF_EDP_RR_MODE_SWITCH_VLV (1 << 14) #define PIPECONF_COLOR_RANGE_SELECT (1 << 13) #define PIPECONF_BPC_MASK (0x7 << 5) #define PIPECONF_8BPC (0<<5) diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index c837ded8e275..4d6e68c52fd9 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -4825,9 +4825,15 @@ static void intel_dp_set_drrs_state(struct drm_device *dev, int refresh_rate) val = I915_READ(reg); if (index > DRRS_HIGH_RR) { - val |= PIPECONF_EDP_RR_MODE_SWITCH; + if (IS_VALLEYVIEW(dev)) + val |= PIPECONF_EDP_RR_MODE_SWITCH_VLV; + else + val |= PIPECONF_EDP_RR_MODE_SWITCH; } else { - val &= ~PIPECONF_EDP_RR_MODE_SWITCH; + if (IS_VALLEYVIEW(dev)) + val &= ~PIPECONF_EDP_RR_MODE_SWITCH_VLV; + else + val &= ~PIPECONF_EDP_RR_MODE_SWITCH; } I915_WRITE(reg, val); } |