diff options
| -rw-r--r-- | drivers/gpu/drm/i915/i915_reg.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 2 |
2 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index bc6d4b0e054..90587de0e86 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -3175,6 +3175,7 @@ #define FDI_LINK_TRAIN_NONE_IVB (3<<8) /* both Tx and Rx */ +#define FDI_COMPOSITE_SYNC (1<<11) #define FDI_LINK_TRAIN_AUTO (1<<10) #define FDI_SCRAMBLING_ENABLE (0<<7) #define FDI_SCRAMBLING_DISABLE (1<<7) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 0a11a6ab86f..e1340a248a2 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -2600,6 +2600,7 @@ static void ivb_manual_fdi_link_train(struct drm_crtc *crtc) temp |= FDI_LINK_TRAIN_PATTERN_1_IVB; temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; temp |= FDI_LINK_TRAIN_400MV_0DB_SNB_B; + temp |= FDI_COMPOSITE_SYNC; I915_WRITE(reg, temp | FDI_TX_ENABLE); reg = FDI_RX_CTL(pipe); @@ -2607,6 +2608,7 @@ static void ivb_manual_fdi_link_train(struct drm_crtc *crtc) temp &= ~FDI_LINK_TRAIN_AUTO; temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; temp |= FDI_LINK_TRAIN_PATTERN_1_CPT; + temp |= FDI_COMPOSITE_SYNC; I915_WRITE(reg, temp | FDI_RX_ENABLE); POSTING_READ(reg); |