Messages in this thread Patch in this message | | | Date | Tue, 22 Nov 2011 16:24:00 -0800 | From | Greg KH <> | Subject | [53/53] drm/i915: always set FDI composite sync bit |
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3.0-stable review patch. If anyone has any objections, please let me know.
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From: Jesse Barnes <jbarnes@virtuousgeek.org>
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>
--- drivers/gpu/drm/i915/i915_reg.h | 1 + drivers/gpu/drm/i915/intel_display.c | 2 ++ 2 files changed, 3 insertions(+)
--- 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) --- 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(st 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(st 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);
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