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authorBen Skeggs <bskeggs@redhat.com>2014-06-30 13:04:14 +1000
committerBen Skeggs <bskeggs@redhat.com>2014-07-08 12:53:20 +1000
commite60cbbdd83670f82088b8e9fb52637bc3bcb9371 (patch)
tree02bf11974f5d61b2b58422bf495b9e2875c7df3f
parentdf62cf9f5bfaa8960bdabaf5185ca2964c961ab9 (diff)
downloadnouveau-e60cbbdd83670f82088b8e9fb52637bc3bcb9371.tar.gz
kms: restore fbcon after display has been resumed
Under some complicated circumstances (boot, suspend, resume, attach second display, suspend, resume, suspend, detach second display, resume, suspend, attach second display, resume), the fb_set_suspend() call can somehow result in a modeset being attempted before we're ready for it and things blow up in fun ways. Running display init first fixes the issue. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
-rw-r--r--drm/nouveau_drm.c17
-rw-r--r--drm/nouveau_fbcon.c13
-rw-r--r--drm/nouveau_fbcon.h1
3 files changed, 12 insertions, 19 deletions
diff --git a/drm/nouveau_drm.c b/drm/nouveau_drm.c
index ddd83756b..5425ffe39 100644
--- a/drm/nouveau_drm.c
+++ b/drm/nouveau_drm.c
@@ -652,12 +652,12 @@ int nouveau_pmops_resume(struct device *dev)
ret = nouveau_do_resume(drm_dev);
if (ret)
return ret;
- if (drm_dev->mode_config.num_crtc)
- nouveau_fbcon_set_suspend(drm_dev, 0);
- nouveau_fbcon_zfill_all(drm_dev);
- if (drm_dev->mode_config.num_crtc)
+ if (drm_dev->mode_config.num_crtc) {
nouveau_display_resume(drm_dev);
+ nouveau_fbcon_set_suspend(drm_dev, 0);
+ }
+
return 0;
}
@@ -683,11 +683,12 @@ static int nouveau_pmops_thaw(struct device *dev)
ret = nouveau_do_resume(drm_dev);
if (ret)
return ret;
- if (drm_dev->mode_config.num_crtc)
- nouveau_fbcon_set_suspend(drm_dev, 0);
- nouveau_fbcon_zfill_all(drm_dev);
- if (drm_dev->mode_config.num_crtc)
+
+ if (drm_dev->mode_config.num_crtc) {
nouveau_display_resume(drm_dev);
+ nouveau_fbcon_set_suspend(drm_dev, 0);
+ }
+
return 0;
}
diff --git a/drm/nouveau_fbcon.c b/drm/nouveau_fbcon.c
index 64a42cfd3..191665ee7 100644
--- a/drm/nouveau_fbcon.c
+++ b/drm/nouveau_fbcon.c
@@ -531,17 +531,10 @@ nouveau_fbcon_set_suspend(struct drm_device *dev, int state)
if (state == 1)
nouveau_fbcon_save_disable_accel(dev);
fb_set_suspend(drm->fbcon->helper.fbdev, state);
- if (state == 0)
+ if (state == 0) {
nouveau_fbcon_restore_accel(dev);
+ nouveau_fbcon_zfill(dev, drm->fbcon);
+ }
console_unlock();
}
}
-
-void
-nouveau_fbcon_zfill_all(struct drm_device *dev)
-{
- struct nouveau_drm *drm = nouveau_drm(dev);
- if (drm->fbcon) {
- nouveau_fbcon_zfill(dev, drm->fbcon);
- }
-}
diff --git a/drm/nouveau_fbcon.h b/drm/nouveau_fbcon.h
index fdfc0c94f..fcff797d2 100644
--- a/drm/nouveau_fbcon.h
+++ b/drm/nouveau_fbcon.h
@@ -61,7 +61,6 @@ void nouveau_fbcon_gpu_lockup(struct fb_info *info);
int nouveau_fbcon_init(struct drm_device *dev);
void nouveau_fbcon_fini(struct drm_device *dev);
void nouveau_fbcon_set_suspend(struct drm_device *dev, int state);
-void nouveau_fbcon_zfill_all(struct drm_device *dev);
void nouveau_fbcon_save_disable_accel(struct drm_device *dev);
void nouveau_fbcon_restore_accel(struct drm_device *dev);