diff options
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_display.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_reg.h | 1 |
2 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 1bf13975867e..c1d8f08814ec 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -440,6 +440,9 @@ void intel_enable_transcoder(const struct intel_crtc_state *new_crtc_state) u32 clear = DP_DSC_INSERT_SF_AT_EOL_WA; u32 set = 0; + if (DISPLAY_VER(dev_priv) == 14) + set |= DP_FEC_BS_JITTER_WA; + intel_de_rmw(dev_priv, hsw_chicken_trans_reg(dev_priv, cpu_transcoder), clear, set); diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 52111f79ff73..3f34efcd7d6c 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -4628,6 +4628,7 @@ #define DDIE_TRAINING_OVERRIDE_ENABLE REG_BIT(17) /* CHICKEN_TRANS_A only */ #define DDIE_TRAINING_OVERRIDE_VALUE REG_BIT(16) /* CHICKEN_TRANS_A only */ #define PSR2_ADD_VERTICAL_LINE_COUNT REG_BIT(15) +#define DP_FEC_BS_JITTER_WA REG_BIT(15) #define PSR2_VSC_ENABLE_PROG_HEADER REG_BIT(12) #define DP_DSC_INSERT_SF_AT_EOL_WA REG_BIT(4) |