From: Jesse Barnes Date: Mon, 10 Oct 2011 21:28:52 +0000 (-0700) Subject: drm/i915: always set FDI composite sync bit X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=c4f9c4c2b3f1831e932e04db992cf6fe92c2a95a;p=GitHub%2Fmt8127%2Fandroid_kernel_alcatel_ttab.git drm/i915: always set FDI composite sync bit It's needed for 3 pipe support as well as just regular functionality (e.g. DisplayPort). Signed-off-by: Jesse Barnes Tested-by: Adam Jackson Tested-by: Eugeni Dodonov Signed-off-by: Keith Packard --- diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 6f6eed169630..d8bf9cf348ec 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -3189,6 +3189,7 @@ #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 186cde29994d..2e28c687010c 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -2601,6 +2601,7 @@ 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); @@ -2608,6 +2609,7 @@ 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);