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| author | Jesse Barnes <jbarnes@virtuousgeek.org> | 2011-10-10 14:28:52 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-11-26 09:10:07 -0800 |
| commit | 49b3e19e8062ab93b1c313e6c7934ff5987426c7 (patch) | |
| tree | 676910df9deb344a39bae8c20fd6d3a23d387287 | |
| parent | e01b0328fa4df58b3d0ccd03f8b1b2768f05e539 (diff) | |
| download | lwn-49b3e19e8062ab93b1c313e6c7934ff5987426c7.tar.gz lwn-49b3e19e8062ab93b1c313e6c7934ff5987426c7.zip | |
drm/i915: always set FDI composite sync bit
commit c4f9c4c2b3f1831e932e04db992cf6fe92c2a95a upstream.
It's needed for 3 pipe support as well as just regular functionality
(e.g. DisplayPort).
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Tested-by: Adam Jackson <ajax@redhat.com>
Tested-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Signed-off-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Robert Hooker <robert.hooker@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| -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 27e0e93a6aef..8936d40d2257 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -3141,6 +3141,7 @@ #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 d08a6002d0e9..853bddb96ea9 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -2340,6 +2340,7 @@ 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); @@ -2347,6 +2348,7 @@ 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); |