From aeefd07e90e277f9ac5c242c8b2e6797373021a3 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Fri, 27 Feb 2015 14:43:47 -0500 Subject: [PATCH] drm/radeon: properly set dto for dp on DCE4/5 If DCPLL or ext PLL is used, use the disp clk. If PPLL is used, use the dp clock. Signed-off-by: Alex Deucher --- drivers/gpu/drm/radeon/evergreen_hdmi.c | 4 ++-- drivers/gpu/drm/radeon/radeon_audio.c | 9 ++++++++- 2 files changed, 10 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/radeon/evergreen_hdmi.c b/drivers/gpu/drm/radeon/evergreen_hdmi.c index bdf2ca8b0be4..c18d4ecbd95d 100644 --- a/drivers/gpu/drm/radeon/evergreen_hdmi.c +++ b/drivers/gpu/drm/radeon/evergreen_hdmi.c @@ -272,7 +272,7 @@ void dce4_hdmi_audio_set_dto(struct radeon_device *rdev, } void dce4_dp_audio_set_dto(struct radeon_device *rdev, - struct radeon_crtc *crtc, unsigned int clock) + struct radeon_crtc *crtc, unsigned int clock) { u32 value; @@ -294,7 +294,7 @@ void dce4_dp_audio_set_dto(struct radeon_device *rdev, * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator */ WREG32(DCCG_AUDIO_DTO1_PHASE, 24000); - WREG32(DCCG_AUDIO_DTO1_MODULE, rdev->clock.max_pixel_clock * 10); + WREG32(DCCG_AUDIO_DTO1_MODULE, clock); } void dce4_set_vbi_packet(struct drm_encoder *encoder, u32 offset) diff --git a/drivers/gpu/drm/radeon/radeon_audio.c b/drivers/gpu/drm/radeon/radeon_audio.c index 31de59271007..b21ef69a34ac 100644 --- a/drivers/gpu/drm/radeon/radeon_audio.c +++ b/drivers/gpu/drm/radeon/radeon_audio.c @@ -724,6 +724,10 @@ static void radeon_audio_dp_mode_set(struct drm_encoder *encoder, 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); + struct radeon_connector *radeon_connector = to_radeon_connector(connector); + struct radeon_connector_atom_dig *dig_connector = + radeon_connector->con_priv; if (!dig || !dig->afmt) return; @@ -731,7 +735,10 @@ static void radeon_audio_dp_mode_set(struct drm_encoder *encoder, radeon_audio_write_speaker_allocation(encoder); radeon_audio_write_sad_regs(encoder); radeon_audio_write_latency_fields(encoder, mode); - radeon_audio_set_dto(encoder, rdev->clock.default_dispclk * 10); + if (rdev->clock.dp_extclk || ASIC_IS_DCE5(rdev)) + radeon_audio_set_dto(encoder, rdev->clock.default_dispclk * 10); + else + radeon_audio_set_dto(encoder, dig_connector->dp_clock); radeon_audio_set_audio_packet(encoder); radeon_audio_select_pin(encoder); -- 2.20.1