diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/evergreen_hdmi.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/evergreen_hdmi.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/drivers/gpu/drm/radeon/evergreen_hdmi.c b/drivers/gpu/drm/radeon/evergreen_hdmi.c index a82b6f78d7f2..adbfef870501 100644 --- a/drivers/gpu/drm/radeon/evergreen_hdmi.c +++ b/drivers/gpu/drm/radeon/evergreen_hdmi.c @@ -184,20 +184,30 @@ static void evergreen_hdmi_write_sad_regs(struct drm_encoder *encoder) for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) { u32 value = 0; + u8 stereo_freqs = 0; + int max_channels = -1; int j; for (j = 0; j < sad_count; j++) { struct cea_sad *sad = &sads[j]; if (sad->format == eld_reg_to_type[i][1]) { - value = MAX_CHANNELS(sad->channels) | - DESCRIPTOR_BYTE_2(sad->byte2) | - SUPPORTED_FREQUENCIES(sad->freq); + if (sad->channels > max_channels) { + value = MAX_CHANNELS(sad->channels) | + DESCRIPTOR_BYTE_2(sad->byte2) | + SUPPORTED_FREQUENCIES(sad->freq); + max_channels = sad->channels; + } + if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM) - value |= SUPPORTED_FREQUENCIES_STEREO(sad->freq); - break; + stereo_freqs |= sad->freq; + else + break; } } + + value |= SUPPORTED_FREQUENCIES_STEREO(stereo_freqs); + WREG32(eld_reg_to_type[i][0], value); } |