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drm/radeon/kms: fix dpms state on resume

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When suspending, we turn the display hw off, at resume the screen will stay black.
This patch turn it on. Fixes:
https://bugzilla.kernel.org/show_bug.cgi?id=16180

Signed-off-by: Cedric Godin <cedric.godin@skynet.be>
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Cedric Godin 2010-06-11 14:40:56 -04:00 committed by Dave Airlie
parent 0888e883ea
commit 09bdf591f4
1 changed files with 7 additions and 0 deletions
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7
drivers/gpu/drm/radeon/radeon_device.c
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@ -779,6 +779,7 @@ int radeon_suspend_kms(struct drm_device *dev, pm_message_t state)
int radeon_resume_kms(struct drm_device *dev)
{
struct drm_connector *connector;
struct radeon_device *rdev = dev->dev_private;
if (rdev->powered_down)
@ -797,6 +798,12 @@ int radeon_resume_kms(struct drm_device *dev)
radeon_resume(rdev);
radeon_pm_resume(rdev);
radeon_restore_bios_scratch_regs(rdev);
/* turn on display hw */
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
}
radeon_fbdev_set_suspend(rdev, 0);
release_console_sem();