Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 55d4e020 authored by Alex Deucher's avatar Alex Deucher
Browse files

drm/radeon: program DCE2 audio dto just like DCE3 

Seems to work like the DCE3 version despite what
the register spec says.

bug:
https://bugs.freedesktop.org/show_bug.cgi?id=71975



Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
parent 180f805f

drivers/gpu/drm/radeon/r600_hdmi.c

+2 −6
Original line number Diff line number Diff line
@@ -304,9 +304,9 @@ void r600_audio_set_dto(struct drm_encoder *encoder, u32 clock) 
			WREG32(DCCG_AUDIO_DTO1_MODULE, dto_modulo);

			WREG32(DCCG_AUDIO_DTO_SELECT, 1); /* select DTO1 */

		}

	} else if (ASIC_IS_DCE3(rdev)) {

	} else {

		/* according to the reg specs, this should DCE3.2 only, but in

		 * practice it seems to cover DCE3.0/3.1 as well.

		 * practice it seems to cover DCE2.0/3.0/3.1 as well.

		 */

		if (dig->dig_encoder == 0) {

			WREG32(DCCG_AUDIO_DTO0_PHASE, base_rate * 100);
@@ -317,10 +317,6 @@ void r600_audio_set_dto(struct drm_encoder *encoder, u32 clock) 
			WREG32(DCCG_AUDIO_DTO1_MODULE, clock * 100);

			WREG32(DCCG_AUDIO_DTO_SELECT, 1); /* select DTO1 */

		}

	} else {

		/* 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));

	}

}