Attachment 45348 Details for Bug 35994 – possible fix

[patch] possible fix

0001-drm-radeon-kms-pll-tweaks-for-rv6xx.patch (text/plain), 1.11 KB, created by Alex Deucher on 2011-04-06 08:56:10 UTC

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Creator: Alex Deucher

Created: 2011-04-06 08:56:10 UTC

Size: 1.11 KB

patch

obsolete

>From d2faab2077c62b781d2dacc28fe08054e0a9faf0 Mon Sep 17 00:00:00 2001
>From: Alex Deucher <alexdeucher@gmail.com>
>Date: Wed, 6 Apr 2011 11:52:51 -0400
>Subject: [PATCH] drm/radeon/kms: pll tweaks for rv6xx
>
>Prefer minm over maxp.
>
>Fixes:
>https://bugs.freedesktop.org/show_bug.cgi?id=35994
>
>Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
>Cc: stable@kernel.org
>---
> drivers/gpu/drm/radeon/atombios_crtc.c |    6 ++++++
> 1 files changed, 6 insertions(+), 0 deletions(-)
>
>diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
>index b41ec59..9d516a8 100644
>--- a/drivers/gpu/drm/radeon/atombios_crtc.c
>+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
>@@ -531,6 +531,12 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc,
> 			pll->flags |= RADEON_PLL_PREFER_HIGH_FB_DIV;
> 		else
> 			pll->flags |= RADEON_PLL_PREFER_LOW_REF_DIV;
>+
>+		if ((rdev->family == CHIP_R600) ||
>+		    (rdev->family == CHIP_RV610) ||
>+		    (rdev->family == CHIP_RV630) ||
>+		    (rdev->family == CHIP_RV670))
>+			pll->flags |= RADEON_PLL_PREFER_MINM_OVER_MAXP;
> 	} else {
> 		pll->flags |= RADEON_PLL_LEGACY;
> 
>-- 
>1.7.1.1
>

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Attachments on bug 35994: 45276 | 45277 | 45278 | 45279 | 45280 | 45281 | 45304 | 45305 | 45348

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