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drm/radeon: properly set dto for dp on DCE4/5

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If DCPLL or ext PLL is used, use the disp clk.  If
PPLL is used, use the dp clock.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher
2015-02-27 14:43:47 -05:00
parent b20932dd62
commit aeefd07e90
2 changed files with 10 additions and 3 deletions
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9
drivers/gpu/drm/radeon/radeon_audio.c
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@@ -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);