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authorMichel Dänzer <[email protected]>2016-10-24 16:52:20 +0900
committerAlex Deucher <[email protected]>2016-10-24 17:00:26 -0400
commit9dc79965b21967caebde575f5f5d8bf1aa2c23ab (patch)
tree86ee40956d1191bd644e649453b457840a843d0d
parent4560738a8e9d5c0a053b8b896487b83e6948f4a1 (diff)
Revert "drm/radeon: fix DP link training issue with second 4K monitor"
This reverts commit 1a738347df2ee4977459a8776fe2c62196bdcb1b. It caused at least some Kaveri laptops to incorrectly report DisplayPort connectors as connected. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=97857 Cc: [email protected] Reviewed-by: Alex Deucher <[email protected]> Signed-off-by: Michel Dänzer <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
-rw-r--r--drivers/gpu/drm/radeon/radeon_dp_auxch.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_dp_auxch.c b/drivers/gpu/drm/radeon/radeon_dp_auxch.c
index 2d465648856a..474a8a1886f7 100644
--- 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);