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Commit 51861d4e authored by Jerome Glisse's avatar Jerome Glisse Committed by Alex Deucher
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radeon/kms: force rn50 chip to always report connected on analog output 



Those rn50 chip are often connected to console remoting hw and load
detection often fails with those. Just don't try to load detect and
report connect.

Signed-off-by: default avatarJerome Glisse <jglisse@redhat.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
parent 25d89997

drivers/gpu/drm/radeon/radeon_legacy_encoders.c

+8 −0
Original line number Diff line number Diff line
@@ -640,6 +640,14 @@ static enum drm_connector_status radeon_legacy_primary_dac_detect(struct drm_enc 
	enum drm_connector_status found = connector_status_disconnected;

	bool color = true;



	/* just don't bother on RN50 those chip are often connected to remoting

	 * console hw and often we get failure to load detect those. So to make

	 * everyone happy report the encoder as always connected.

	 */

	if (ASIC_IS_RN50(rdev)) {

		return connector_status_connected;

	}



	/* save the regs we need */

	vclk_ecp_cntl = RREG32_PLL(RADEON_VCLK_ECP_CNTL);

	crtc_ext_cntl = RREG32(RADEON_CRTC_EXT_CNTL);