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Commit d6c66952 authored by Alex Deucher's avatar Alex Deucher Committed by Dave Airlie
Browse files

drm/radeon/kms: issue blank/unblank commands for ext encoders 



Required for DPMS on some systems.

Signed-off-by: default avatarAlex Deucher <alexdeucher@gmail.com>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent 591a10e1

drivers/gpu/drm/radeon/radeon_encoders.c

+14 −11
Original line number Diff line number Diff line
@@ -1521,26 +1521,29 @@ radeon_atom_encoder_dpms(struct drm_encoder *encoder, int mode) 
	}



	if (ext_encoder) {

		int action;



		switch (mode) {

		case DRM_MODE_DPMS_ON:

		default:

			if (ASIC_IS_DCE41(rdev))

				action = EXTERNAL_ENCODER_ACTION_V3_ENABLE_OUTPUT;

			else

				action = ATOM_ENABLE;

			if (ASIC_IS_DCE41(rdev)) {

				atombios_external_encoder_setup(encoder, ext_encoder,

								EXTERNAL_ENCODER_ACTION_V3_ENABLE_OUTPUT);

				atombios_external_encoder_setup(encoder, ext_encoder,

								EXTERNAL_ENCODER_ACTION_V3_ENCODER_BLANKING_OFF);

			} else

				atombios_external_encoder_setup(encoder, ext_encoder, ATOM_ENABLE);

			break;

		case DRM_MODE_DPMS_STANDBY:

		case DRM_MODE_DPMS_SUSPEND:

		case DRM_MODE_DPMS_OFF:

			if (ASIC_IS_DCE41(rdev))

				action = EXTERNAL_ENCODER_ACTION_V3_DISABLE_OUTPUT;

			else

				action = ATOM_DISABLE;

			if (ASIC_IS_DCE41(rdev)) {

				atombios_external_encoder_setup(encoder, ext_encoder,

								EXTERNAL_ENCODER_ACTION_V3_ENCODER_BLANKING);

				atombios_external_encoder_setup(encoder, ext_encoder,

								EXTERNAL_ENCODER_ACTION_V3_DISABLE_OUTPUT);

			} else

				atombios_external_encoder_setup(encoder, ext_encoder, ATOM_DISABLE);

			break;

		}

		atombios_external_encoder_setup(encoder, ext_encoder, action);

	}



	radeon_atombios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);