Attachment 106933 Details for Bug 79443 – patch 2/2

[patch] patch 2/2

0002-drm-i915-Broadwell-DDI-Buffer-translation-more-tunin.patch (text/plain), 1.37 KB, created by Rodrigo Vivi on 2014-09-26 19:04:54 UTC

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Creator: Rodrigo Vivi

Created: 2014-09-26 19:04:54 UTC

Size: 1.37 KB

patch

obsolete

>From bdaa0f5ddcca042d45a312ec757ef292e6a24d51 Mon Sep 17 00:00:00 2001
>From: Rodrigo Vivi <rodrigo.vivi@intel.com>
>Date: Wed, 24 Sep 2014 20:26:53 -0400
>Subject: [PATCH 2/2] drm/i915: Broadwell DDI Buffer translation - more tuning
>
>BDW display - DP buffer translation values changed to give better margin.
>
>Further change to entry 6; set dword 0 bit 31=1.
>
>Both changes were approved already but this one didn't landed BSpec yet
>this is why it is in a separated patch. Making reviewer's life easier.
>Also alowing separated tests and any future bisect that might be needed.
>
>Reference: Predator r74080 / HSD 4394389
>
>v2: Arthur noticed I was changing the wrong bit.
>
>Cc: Arthur Runyan <arthur.j.runyan@intel.com>
>Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
>Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
>---
> drivers/gpu/drm/i915/intel_ddi.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
>diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
>index 66231f0..c9f4b3c 100644
>--- a/drivers/gpu/drm/i915/intel_ddi.c
>+++ b/drivers/gpu/drm/i915/intel_ddi.c
>@@ -96,7 +96,7 @@ static const struct ddi_buf_trans bdw_ddi_translations_dp[] = {
> 	{ 0x80B2CFFF, 0x001B0002 },
> 	{ 0x00FFFFFF, 0x000E000A },
> 	{ 0x00DB6FFF, 0x00160005 },
>-	{ 0x00C71FFF, 0x001A0002 },
>+	{ 0x80C71FFF, 0x001A0002 },
> 	{ 0x00F7DFFF, 0x00180004 },
> 	{ 0x80D75FFF, 0x001B0002 },
> };
>-- 
>1.9.3
>

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Attachments on bug 79443: 100148 | 100428 | 100429 | 100430 | 100431 | 106932 | 106933 | 110482 | 110483

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