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Revert "drm/radeon: fix DP link training issue with second 4K monitor"
[firefly-linux-kernel-4.4.55.git]
/
drivers
/
gpu
/
drm
/
radeon
/
radeon_dp_auxch.c
diff --git
a/drivers/gpu/drm/radeon/radeon_dp_auxch.c
b/drivers/gpu/drm/radeon/radeon_dp_auxch.c
index db64e0062689b076842b9710c33e4660c96e9985..3b0c229d7dcd23ffb7184ad79e2ebaa8f001cca9 100644
(file)
--- a/
drivers/gpu/drm/radeon/radeon_dp_auxch.c
+++ b/
drivers/gpu/drm/radeon/radeon_dp_auxch.c
@@
-105,7
+105,7
@@
radeon_dp_aux_transfer_native(struct drm_dp_aux *aux, struct drm_dp_aux_msg *msg
tmp &= AUX_HPD_SEL(0x7);
tmp |= AUX_HPD_SEL(chan->rec.hpd);
- tmp |= AUX_EN | AUX_LS_READ_EN
| AUX_HPD_DISCON(0x1)
;
+ tmp |= AUX_EN | AUX_LS_READ_EN;
WREG32(AUX_CONTROL + aux_offset[instance], tmp);