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| author | Alex Deucher <alexander.deucher@amd.com> | 2013-09-25 12:04:37 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-10-05 07:13:12 -0700 |
| commit | ddcca42fb47e59b1655d866b364c3dac4ba3f135 (patch) | |
| tree | 3b7d3bce14c9908923622c08579da4f178822920 /drivers | |
| parent | b2a9484006875ecd7d94582e7bcb72a02682be92 (diff) | |
| download | linux-3.10-ddcca42fb47e59b1655d866b364c3dac4ba3f135.tar.gz linux-3.10-ddcca42fb47e59b1655d866b364c3dac4ba3f135.tar.bz2 linux-3.10-ddcca42fb47e59b1655d866b364c3dac4ba3f135.zip | |
drm/radeon: fix hdmi audio on DCE3.0/3.1 asics
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@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/radeon/r600_hdmi.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/gpu/drm/radeon/r600_hdmi.c b/drivers/gpu/drm/radeon/r600_hdmi.c index b9b1139da35..0efe2a93ca9 100644 --- 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_encoder *encoder, u32 clock) * 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_encoder *encoder, u32 clock) 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)); } |