From: Michel Dänzer <[email protected]>

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]
Signed-off-by: Michel Dänzer <[email protected]>
---
 drivers/gpu/drm/radeon/radeon_dp_auxch.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/radeon/radeon_dp_auxch.c 
b/drivers/gpu/drm/radeon/radeon_dp_auxch.c
index db64e00..3b0c229 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);
 
-- 
2.10.1

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