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drm/i915: conditionally disable pch resources in ilk_crtc_disable

Browse source 
Simlar to how disable already works on haswell. This is possible
since we now carefully track the pch state in the pipe config.

Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Daniel Vetter 2013-06-05 13:34:04 +02:00
parent cdbd2316a0
commit d925c59a81
1 changed files with 37 additions and 32 deletions
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7
drivers/gpu/drm/i915/intel_display.c
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@ -3436,7 +3436,9 @@ static void ironlake_crtc_disable(struct drm_crtc *crtc)
intel_disable_planes(crtc);
intel_disable_plane(dev_priv, plane, pipe);
if (intel_crtc->config.has_pch_encoder)
intel_set_pch_fifo_underrun_reporting(dev, pipe, false);
intel_disable_pipe(dev_priv, pipe);
ironlake_pfit_disable(intel_crtc);
@ -3445,6 +3447,7 @@ static void ironlake_crtc_disable(struct drm_crtc *crtc)
if (encoder->post_disable)
encoder->post_disable(encoder);
if (intel_crtc->config.has_pch_encoder) {
ironlake_fdi_disable(crtc);
ironlake_disable_pch_transcoder(dev_priv, pipe);
@ -3454,7 +3457,8 @@ static void ironlake_crtc_disable(struct drm_crtc *crtc)
/* disable TRANS_DP_CTL */
reg = TRANS_DP_CTL(pipe);
temp = I915_READ(reg);
temp &= ~(TRANS_DP_OUTPUT_ENABLE | TRANS_DP_PORT_SEL_MASK);
temp &= ~(TRANS_DP_OUTPUT_ENABLE |
TRANS_DP_PORT_SEL_MASK);
temp |= TRANS_DP_PORT_SEL_NONE;
I915_WRITE(reg, temp);
@ -3481,6 +3485,7 @@ static void ironlake_crtc_disable(struct drm_crtc *crtc)
intel_disable_pch_pll(intel_crtc);
ironlake_fdi_pll_disable(intel_crtc);
}
intel_crtc->active = false;
intel_update_watermarks(dev);