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drm/i915: drop unnecessary check from fdi_link_train code 

They are all written for a specific north disaplay->pch combination.
So stop pretending otherwise.

Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Daniel Vetter 2012-10-31 22:52:28 +01:00
parent 7fcb83cde0
commit 8f5718a6d9
1 changed files with 5 additions and 9 deletions
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14
drivers/gpu/drm/i915/intel_display.c
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@ -2490,11 +2490,9 @@ static void ironlake_fdi_link_train(struct drm_crtc *crtc)
udelay(150);
/* Ironlake workaround, enable clock pointer after FDI enable*/
if (HAS_PCH_IBX(dev)) {
I915_WRITE(FDI_RX_CHICKEN(pipe), FDI_RX_PHASE_SYNC_POINTER_OVR);
I915_WRITE(FDI_RX_CHICKEN(pipe), FDI_RX_PHASE_SYNC_POINTER_OVR |
FDI_RX_PHASE_SYNC_POINTER_EN);
}
I915_WRITE(FDI_RX_CHICKEN(pipe), FDI_RX_PHASE_SYNC_POINTER_OVR);
I915_WRITE(FDI_RX_CHICKEN(pipe), FDI_RX_PHASE_SYNC_POINTER_OVR |
FDI_RX_PHASE_SYNC_POINTER_EN);
reg = FDI_RX_IIR(pipe);
for (tries = 0; tries < 5; tries++) {
@ -2600,8 +2598,7 @@ static void gen6_fdi_link_train(struct drm_crtc *crtc)
POSTING_READ(reg);
udelay(150);
if (HAS_PCH_CPT(dev))
cpt_phase_pointer_enable(dev, pipe);
cpt_phase_pointer_enable(dev, pipe);
for (i = 0; i < 4; i++) {
reg = FDI_TX_CTL(pipe);
@ -2735,8 +2732,7 @@ static void ivb_manual_fdi_link_train(struct drm_crtc *crtc)
POSTING_READ(reg);
udelay(150);
if (HAS_PCH_CPT(dev))
cpt_phase_pointer_enable(dev, pipe);
cpt_phase_pointer_enable(dev, pipe);
for (i = 0; i < 4; i++) {
reg = FDI_TX_CTL(pipe);