This is a note to let you know that I've just added the patch titled
drm/radeon: program DCE2 audio dto just like DCE3
to the 3.12-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-program-dce2-audio-dto-just-like-dce3.patch
and it can be found in the queue-3.12 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 55d4e020fb8ddd3896a8cd3351028f5c3a2c4bd3 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@xxxxxxx>
Date: Mon, 25 Nov 2013 13:20:59 -0500
Subject: drm/radeon: program DCE2 audio dto just like DCE3
From: Alex Deucher <alexander.deucher@xxxxxxx>
commit 55d4e020fb8ddd3896a8cd3351028f5c3a2c4bd3 upstream.
Seems to work like the DCE3 version despite what
the register spec says.
bug:
https://bugs.freedesktop.org/show_bug.cgi?id=71975
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/radeon/r600_hdmi.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)
--- a/drivers/gpu/drm/radeon/r600_hdmi.c
+++ b/drivers/gpu/drm/radeon/r600_hdmi.c
@@ -304,9 +304,9 @@ void r600_audio_set_dto(struct drm_encod
WREG32(DCCG_AUDIO_DTO1_MODULE, dto_modulo);
WREG32(DCCG_AUDIO_DTO_SELECT, 1); /* select DTO1 */
}
- } else if (ASIC_IS_DCE3(rdev)) {
+ } else {
/* according to the reg specs, this should DCE3.2 only, but in
- * practice it seems to cover DCE3.0/3.1 as well.
+ * practice it seems to cover DCE2.0/3.0/3.1 as well.
*/
if (dig->dig_encoder == 0) {
WREG32(DCCG_AUDIO_DTO0_PHASE, base_rate * 100);
@@ -317,10 +317,6 @@ void r600_audio_set_dto(struct drm_encod
WREG32(DCCG_AUDIO_DTO1_MODULE, clock * 100);
WREG32(DCCG_AUDIO_DTO_SELECT, 1); /* select DTO1 */
}
- } else {
- /* according to the reg specs, this should be DCE2.0 and DCE3.0/3.1 */
- WREG32(AUDIO_DTO, AUDIO_DTO_PHASE(base_rate / 10) |
- AUDIO_DTO_MODULE(clock / 10));
}
}
Patches currently in stable-queue which might be from alexander.deucher@xxxxxxx are
queue-3.12/drm-radeon-fix-typo-in-fetching-mpll-params.patch
queue-3.12/drm-radeon-program-dce2-audio-dto-just-like-dce3.patch
queue-3.12/drm-radeon-fixup-bad-vram-size-on-si.patch
queue-3.12/drm-radeon-atom-fix-bus-probes-when-hw_i2c-is-set-v2.patch
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