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drm/i915: remove ironlake bits from lpt_pch_enable 

Since this function will only run on Haswell/LPT and newer.

Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Paulo Zanoni 2012-10-31 18:12:24 -02:00 committed by Daniel Vetter
parent 303b81e040
commit 8c52b5e855
1 changed files with 1 additions and 68 deletions
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69
drivers/gpu/drm/i915/intel_display.c
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@ -3170,7 +3170,6 @@ static void lpt_pch_enable(struct drm_crtc *crtc)
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
int pipe = intel_crtc->pipe;
u32 reg, temp;
assert_transcoder_disabled(dev_priv, pipe);
@ -3191,34 +3190,7 @@ static void lpt_pch_enable(struct drm_crtc *crtc)
* enable sequence. */
intel_enable_pch_pll(intel_crtc);
if (HAS_PCH_LPT(dev)) {
DRM_DEBUG_KMS("LPT detected: programming iCLKIP\n");
lpt_program_iclkip(crtc);
} else if (HAS_PCH_CPT(dev)) {
u32 sel;
temp = I915_READ(PCH_DPLL_SEL);
switch (pipe) {
default:
case 0:
temp |= TRANSA_DPLL_ENABLE;
sel = TRANSA_DPLLB_SEL;
break;
case 1:
temp |= TRANSB_DPLL_ENABLE;
sel = TRANSB_DPLLB_SEL;
break;
case 2:
temp |= TRANSC_DPLL_ENABLE;
sel = TRANSC_DPLLB_SEL;
break;
}
if (intel_crtc->pch_pll->pll_reg == _PCH_DPLL_B)
temp |= sel;
else
temp &= ~sel;
I915_WRITE(PCH_DPLL_SEL, temp);
}
lpt_program_iclkip(crtc);
/* set transcoder timing, panel must allow it */
assert_panel_unlocked(dev_priv, pipe);
@ -3231,45 +3203,6 @@ static void lpt_pch_enable(struct drm_crtc *crtc)
I915_WRITE(TRANS_VSYNC(pipe), I915_READ(VSYNC(pipe)));
I915_WRITE(TRANS_VSYNCSHIFT(pipe), I915_READ(VSYNCSHIFT(pipe)));
if (!IS_HASWELL(dev))
intel_fdi_normal_train(crtc);
/* For PCH DP, enable TRANS_DP_CTL */
if (HAS_PCH_CPT(dev) &&
(intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT) ||
intel_pipe_has_type(crtc, INTEL_OUTPUT_EDP))) {
u32 bpc = (I915_READ(PIPECONF(pipe)) & PIPE_BPC_MASK) >> 5;
reg = TRANS_DP_CTL(pipe);
temp = I915_READ(reg);
temp &= ~(TRANS_DP_PORT_SEL_MASK |
TRANS_DP_SYNC_MASK |
TRANS_DP_BPC_MASK);
temp |= (TRANS_DP_OUTPUT_ENABLE |
TRANS_DP_ENH_FRAMING);
temp |= bpc << 9; /* same format but at 11:9 */
if (crtc->mode.flags & DRM_MODE_FLAG_PHSYNC)
temp |= TRANS_DP_HSYNC_ACTIVE_HIGH;
if (crtc->mode.flags & DRM_MODE_FLAG_PVSYNC)
temp |= TRANS_DP_VSYNC_ACTIVE_HIGH;
switch (intel_trans_dp_port_sel(crtc)) {
case PCH_DP_B:
temp |= TRANS_DP_PORT_SEL_B;
break;
case PCH_DP_C:
temp |= TRANS_DP_PORT_SEL_C;
break;
case PCH_DP_D:
temp |= TRANS_DP_PORT_SEL_D;
break;
default:
BUG();
}
I915_WRITE(reg, temp);
}
intel_enable_transcoder(dev_priv, pipe);
}