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drm/radeon/kms: make sure display hw is disabled when suspending

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Disable the display hw when suspending.
Should fix bug:
https://bugzilla.redhat.com/show_bug.cgi?id=522393

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher 2010-06-02 12:08:41 -04:00 committed by Dave Airlie
parent d8bd19d2af
commit d8dcaa1dc5
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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@ -713,6 +713,7 @@ int radeon_suspend_kms(struct drm_device *dev, pm_message_t state)
{
struct radeon_device *rdev;
struct drm_crtc *crtc;
struct drm_connector *connector;
int r;
if (dev == NULL || dev->dev_private == NULL) {
@ -725,6 +726,12 @@ int radeon_suspend_kms(struct drm_device *dev, pm_message_t state)
if (rdev->powered_down)
return 0;
/* turn off display hw */
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
}
/* unpin the front buffers */
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
struct radeon_framebuffer *rfb = to_radeon_framebuffer(crtc->fb);