This is a note to let you know that I've just added the patch titled
drm/radeon: adjust pll when audio is not enabled
to the 4.0-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-radeon-adjust-pll-when-audio-is-not-enabled.patch
and it can be found in the queue-4.0 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 7fe04d6fa824ccea704535a597dc417c8687f990 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@xxxxxxx>
Date: Sun, 19 Apr 2015 12:01:00 -0400
Subject: drm/radeon: adjust pll when audio is not enabled
From: Alex Deucher <alexander.deucher@xxxxxxx>
commit 7fe04d6fa824ccea704535a597dc417c8687f990 upstream.
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@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/radeon/atombios_crtc.c | 3 +++
1 file changed, 3 insertions(+)
--- 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 dr
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 */
Patches currently in stable-queue which might be from alexander.deucher@xxxxxxx are
queue-4.0/drm-radeon-fix-lockup-when-bos-aren-t-part-of-the-vm-on-release.patch
queue-4.0/drm-radeon-reset-bos-address-after-clearing-it.patch
queue-4.0/drm-radeon-adjust-pll-when-audio-is-not-enabled.patch
queue-4.0/drm-radeon-add-si-dpm-quirk-for-sapphire-r9-270-dual-x-2g-gddr5.patch
queue-4.0/drm-radeon-only-enable-audio-streams-if-the-monitor-supports-it.patch
queue-4.0/drm-radeon-only-mark-audio-as-connected-if-the-monitor-supports-it-v3.patch
queue-4.0/drm-radeon-drop-dce6_dp_enable.patch
queue-4.0/drm-radeon-audio-don-t-enable-packets-until-the-end.patch
queue-4.0/drm-radeon-check-new-address-before-removing-old-one.patch
queue-4.0/drm-radeon-fix-ordering-of-avi-packet-setup.patch
queue-4.0/drm-radeon-use-drm_calloc_ab-for-cs-relocs.patch
--
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