I'm not really sure how these should be calculated for deep color. The hw generated values seem to work.
Signed-off-by: Alex Deucher alexander.deucher@amd.com --- drivers/gpu/drm/radeon/evergreen_hdmi.c | 18 +++++++++++++++--- 1 file changed, 15 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/radeon/evergreen_hdmi.c b/drivers/gpu/drm/radeon/evergreen_hdmi.c index 05b0c95..8579721 100644 --- a/drivers/gpu/drm/radeon/evergreen_hdmi.c +++ b/drivers/gpu/drm/radeon/evergreen_hdmi.c @@ -293,10 +293,12 @@ void evergreen_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode struct radeon_device *rdev = dev->dev_private; struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; + struct drm_connector *connector = radeon_get_connector_for_encoder(encoder); u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE]; struct hdmi_avi_infoframe frame; uint32_t offset; ssize_t err; + int bpc = 8;
if (!dig || !dig->afmt) return; @@ -306,6 +308,12 @@ void evergreen_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode return; offset = dig->afmt->offset;
+ /* hdmi deep color mode general control packets setup, if bpc > 8 */ + if (encoder->crtc) { + struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc); + bpc = radeon_crtc->bpc; + } + /* disable audio prior to setting up hw */ if (ASIC_IS_DCE6(rdev)) { dig->afmt->pin = dce6_audio_get_pin(rdev); @@ -348,9 +356,13 @@ void evergreen_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode
/* fglrx clears sth in AFMT_AUDIO_PACKET_CONTROL2 here */
- WREG32(HDMI_ACR_PACKET_CONTROL + offset, - HDMI_ACR_SOURCE | /* select SW CTS value */ - HDMI_ACR_AUTO_SEND); /* allow hw to sent ACR packets when required */ + if (bpc > 8) + WREG32(HDMI_ACR_PACKET_CONTROL + offset, + HDMI_ACR_AUTO_SEND); /* allow hw to sent ACR packets when required */ + else + WREG32(HDMI_ACR_PACKET_CONTROL + offset, + HDMI_ACR_SOURCE | /* select SW CTS value */ + HDMI_ACR_AUTO_SEND); /* allow hw to sent ACR packets when required */
evergreen_hdmi_update_ACR(encoder, mode->clock);