diff options
| author | Alex Deucher <alexdeucher@gmail.com> | 2010-06-10 17:06:01 -0400 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2010-07-01 11:59:14 +1000 |
| commit | a5f798ce2b9de4b14c46cb68d58c488dc1b8e215 (patch) | |
| tree | f6be58c946401b72f31341ee9412f5b66b88f5d5 /drivers/gpu | |
| parent | 09bdf591f4724c7d0328d4d7b8808492addb5a28 (diff) | |
| download | linux-a5f798ce2b9de4b14c46cb68d58c488dc1b8e215.tar.bz2 | |
drm/radeon/kms: fix DP after DPMS cycle
The transmitter needs to be enabled before the link is trained.
Reported-By: Lars Doelle <lars.doelle@on-line.de>
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_encoders.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c index 1ebb100015b7..e0b30b264c28 100644 --- a/drivers/gpu/drm/radeon/radeon_encoders.c +++ b/drivers/gpu/drm/radeon/radeon_encoders.c @@ -1072,6 +1072,8 @@ radeon_atom_encoder_dpms(struct drm_encoder *encoder, int mode) if (is_dig) { switch (mode) { case DRM_MODE_DPMS_ON: + if (!ASIC_IS_DCE4(rdev)) + atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_ENABLE_OUTPUT, 0, 0); if (atombios_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_DP) { struct drm_connector *connector = radeon_get_connector_for_encoder(encoder); @@ -1079,8 +1081,6 @@ radeon_atom_encoder_dpms(struct drm_encoder *encoder, int mode) if (ASIC_IS_DCE4(rdev)) atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_DP_VIDEO_ON); } - if (!ASIC_IS_DCE4(rdev)) - atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_ENABLE_OUTPUT, 0, 0); break; case DRM_MODE_DPMS_STANDBY: case DRM_MODE_DPMS_SUSPEND: |