Attachment 115195 Details for Bug 89505 – updated patch

[patch] updated patch

0001-drm-radeon-adjust-pll-when-audio-is-not-enabled.patch (text/plain), 1.25 KB, created by Alex Deucher on 2015-04-19 16:03:10 UTC

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Creator: Alex Deucher

Created: 2015-04-19 16:03:10 UTC

Size: 1.25 KB

patch

obsolete

>From 5770b16db07cfe360069e71c473474b8694e7e11 Mon Sep 17 00:00:00 2001
>From: Alex Deucher <alexander.deucher@amd.com>
>Date: Sun, 19 Apr 2015 12:01:00 -0400
>Subject: [PATCH] drm/radeon: adjust pll when audio is not enabled
>
>Fixes display problems with some monitors when audio
>is not enabled.
>
>Bugs:
>https://bugs.freedesktop.org/show_bug.cgi?id=89505
>https://bugzilla.kernel.org/show_bug.cgi?id=94171
>Plus several reports on IRC.
>
>Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
>Cc: stable@vger.kernel.org
>---
> drivers/gpu/drm/radeon/atombios_crtc.c | 3 +++
> 1 file changed, 3 insertions(+)
>
>diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
>index dac78ad..42b2ea3 100644
>--- a/drivers/gpu/drm/radeon/atombios_crtc.c
>+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
>@@ -580,6 +580,9 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc,
> 		else
> 			radeon_crtc->pll_flags |= RADEON_PLL_PREFER_LOW_REF_DIV;
> 
>+		/* if there is no audio, set MINM_OVER_MAXP  */
>+		if (!drm_detect_monitor_audio(radeon_connector_edid(connector)))
>+			radeon_crtc->pll_flags |= RADEON_PLL_PREFER_MINM_OVER_MAXP;
> 		if (rdev->family < CHIP_RV770)
> 			radeon_crtc->pll_flags |= RADEON_PLL_PREFER_MINM_OVER_MAXP;
> 		/* use frac fb div on APUs */
>-- 
>1.8.3.1
>

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Attachments on bug 89505: 114171 | 114172 | 114173 | 114174 | 114175 | 115195

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