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authorAlex Deucher <alexander.deucher@amd.com>2013-07-26 21:26:05 +0400
committerAlex Deucher <alexander.deucher@amd.com>2013-07-30 02:14:36 +0400
commit7d61d835824f73dc4097b51f800382467c8049c5 (patch)
treeb5be71c9d69177d3b614b77dc5bd6b1b03fc06bf /drivers/gpu
parentbf903e4141fce4b35072d5b8fa0ddd299aaf01ea (diff)
downloadlinux-7d61d835824f73dc4097b51f800382467c8049c5.tar.xz
drm/radeon: fix audio dto programming on DCE4+
We need to set the dto source before setting the dividers otherwise we may get stability problems with the dto leading to audio playback problems. Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/radeon/evergreen_hdmi.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/evergreen_hdmi.c b/drivers/gpu/drm/radeon/evergreen_hdmi.c
index b0d3fb341417..bb9ea3641312 100644
--- a/drivers/gpu/drm/radeon/evergreen_hdmi.c
+++ b/drivers/gpu/drm/radeon/evergreen_hdmi.c
@@ -157,9 +157,9 @@ static void evergreen_audio_set_dto(struct drm_encoder *encoder, u32 clock)
* number (coefficient of two integer numbers. DCCG_AUDIO_DTOx_PHASE
* is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
*/
+ WREG32(DCCG_AUDIO_DTO_SOURCE, DCCG_AUDIO_DTO0_SOURCE_SEL(radeon_crtc->crtc_id));
WREG32(DCCG_AUDIO_DTO0_PHASE, base_rate * 100);
WREG32(DCCG_AUDIO_DTO0_MODULE, clock * 100);
- WREG32(DCCG_AUDIO_DTO_SOURCE, DCCG_AUDIO_DTO0_SOURCE_SEL(radeon_crtc->crtc_id));
}