xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

drm/radeon/kms: simplify hotplug handler logic

Browse Source 
In the hotplug handler, just use the drm dpms functions.
If the monitor is plugged in, turn it on, if it's not,
turn it off.  This also reduces power usage by turning
off the encoder and crtc when the monitor is unplugged.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher
2011-05-20 04:34:29 -04:00
committed by Dave Airlie
parent 224d94b144
commit 1e85e1d07b
3 changed files with 7 additions and 25 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/gpu/drm/radeon/atombios_dp.c
View File

@@ -613,18 +613,6 @@ static bool radeon_dp_get_link_status(struct radeon_connector *radeon_connector,
return true;
}
bool radeon_dp_needs_link_train(struct radeon_connector *radeon_connector)
{
struct radeon_connector_atom_dig *dig_connector = radeon_connector->con_priv;
u8 link_status[DP_LINK_STATUS_SIZE];
if (!radeon_dp_get_link_status(radeon_connector, link_status))
return false;
if (dp_channel_eq_ok(link_status, dig_connector->dp_lane_count))
return false;
return true;
}
struct radeon_dp_link_train_info {
struct radeon_device *rdev;
struct drm_encoder *encoder;