This is a note to let you know that I've just added the patch titled
drm/radeon: fix hdmi audio on DCE3.0/3.1 asics
to the 3.10-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-fix-hdmi-audio-on-dce3.0-3.1-asics.patch
and it can be found in the queue-3.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 58d327da9721f7a0f6e46c8dfa5cc5546fd7078a Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@xxxxxxx>
Date: Wed, 25 Sep 2013 12:04:37 -0400
Subject: drm/radeon: fix hdmi audio on DCE3.0/3.1 asics
From: Alex Deucher <alexander.deucher@xxxxxxx>
commit 58d327da9721f7a0f6e46c8dfa5cc5546fd7078a upstream.
These asics seem to use a mix of the DCE2.x and
DCE3.2 audio interfaces despite what the register spec
says.
Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=69729
https://bugs.freedesktop.org/show_bug.cgi?id=69671
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/radeon/r600_hdmi.c | 16 +++++++++++++---
1 file changed, 13 insertions(+), 3 deletions(-)
--- a/drivers/gpu/drm/radeon/r600_hdmi.c
+++ b/drivers/gpu/drm/radeon/r600_hdmi.c
@@ -238,9 +238,19 @@ void r600_audio_set_dto(struct drm_encod
* number (coefficient of two integer numbers. DCCG_AUDIO_DTOx_PHASE
* is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
*/
- if (ASIC_IS_DCE3(rdev)) {
+ if (ASIC_IS_DCE32(rdev)) {
+ if (dig->dig_encoder == 0) {
+ WREG32(DCCG_AUDIO_DTO0_PHASE, base_rate * 100);
+ WREG32(DCCG_AUDIO_DTO0_MODULE, clock * 100);
+ WREG32(DCCG_AUDIO_DTO_SELECT, 0); /* select DTO0 */
+ } else {
+ WREG32(DCCG_AUDIO_DTO1_PHASE, base_rate * 100);
+ WREG32(DCCG_AUDIO_DTO1_MODULE, clock * 100);
+ WREG32(DCCG_AUDIO_DTO_SELECT, 1); /* select DTO1 */
+ }
+ } else if (ASIC_IS_DCE3(rdev)) {
/* according to the reg specs, this should DCE3.2 only, but in
- * practice it seems to cover DCE3.0 as well.
+ * practice it seems to cover DCE3.0/3.1 as well.
*/
if (dig->dig_encoder == 0) {
WREG32(DCCG_AUDIO_DTO0_PHASE, base_rate * 100);
@@ -252,7 +262,7 @@ void r600_audio_set_dto(struct drm_encod
WREG32(DCCG_AUDIO_DTO_SELECT, 1); /* select DTO1 */
}
} else {
- /* according to the reg specs, this should be DCE2.0 and DCE3.0 */
+ /* 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-3.10/drm-radeon-disable-tests-benchmarks-if-accel-is-disabled.patch
queue-3.10/drm-radeon-make-r100_cp_ring_info-and-radeon_ring_gfx-safe-v2.patch
queue-3.10/drm-radeon-add-missing-hdmi-callbacks-for-rv6xx.patch
queue-3.10/drm-radeon-avoid-uvd-corruption-on-agp-cards-using-gpu-gart.patch
queue-3.10/drm-radeon-fix-hdmi-audio-on-dce3.0-3.1-asics.patch
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