Attachment 37176 Details for Bug 28858 – Set transcoder sync polarity for DP based on actual mode

[patch] Set transcoder sync polarity for DP based on actual mode

1279306152.24394_0.broadwater (text/plain), 5.31 KB, created by Chris Wilson on 2010-07-19 04:07:37 UTC

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Creator: Chris Wilson

Created: 2010-07-19 04:07:37 UTC

Size: 5.31 KB

patch

obsolete

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>Subject: [Intel-gfx] [PATCH 4/6] drm/i915/pch: Set transcoder sync polarity
>	for DP based on actual mode
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>---
> drivers/gpu/drm/i915/intel_display.c |    9 ++++++---
> 1 files changed, 6 insertions(+), 3 deletions(-)
>
>diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
>index b1b742b..889f4ed 100644
>--- a/drivers/gpu/drm/i915/intel_display.c
>+++ b/drivers/gpu/drm/i915/intel_display.c
>@@ -1983,9 +1983,12 @@ static void ironlake_crtc_dpms(struct drm_crtc *crtc, int mode)
> 				reg = I915_READ(trans_dp_ctl);
> 				reg &= ~TRANS_DP_PORT_SEL_MASK;
> 				reg = TRANS_DP_OUTPUT_ENABLE |
>-				      TRANS_DP_ENH_FRAMING |
>-				      TRANS_DP_VSYNC_ACTIVE_HIGH |
>-				      TRANS_DP_HSYNC_ACTIVE_HIGH;
>+				      TRANS_DP_ENH_FRAMING;
>+
>+				if (crtc->mode.flags & DRM_MODE_FLAG_PHSYNC)
>+				      reg |= TRANS_DP_HSYNC_ACTIVE_HIGH;
>+				if (crtc->mode.flags & DRM_MODE_FLAG_PVSYNC)
>+				      reg |= TRANS_DP_VSYNC_ACTIVE_HIGH;
> 
> 				switch (intel_trans_dp_port_sel(crtc)) {
> 				case PCH_DP_B:
>-- 
>1.7.1.1
>
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Attachments on bug 28858: 36649 | 36917 | 36918 | 37176 | 37957

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