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| /openbmc/linux/drivers/gpu/drm/amd/amdgpu/ |
| H A D | amdgpu_connectors.c | daf88096 Fri Mar 09 11:26:18 CST 2018 Michel Dänzer <michel.daenzer@amd.com> drm/amdgpu/dce: Don't turn off DP sink when disconnected
Turning off the sink in this case causes various issues, because
userspace expects it to stay on until it turns it off explicitly.
Instead, turn the sink off and back on when a display is connected
again. This dance seems necessary for link training to work correctly.
Bugzilla: https://bugs.freedesktop.org/105308
Cc: stable@vger.kernel.org
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
daf88096 Fri Mar 09 11:26:18 CST 2018 Michel Dänzer <michel.daenzer@amd.com> drm/amdgpu/dce: Don't turn off DP sink when disconnected
Turning off the sink in this case causes various issues, because
userspace expects it to stay on until it turns it off explicitly.
Instead, turn the sink off and back on when a display is connected
again. This dance seems necessary for link training to work correctly.
Bugzilla: https://bugs.freedesktop.org/105308
Cc: stable@vger.kernel.org
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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