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Merge tag 'v3.2-rc6' of /home/airlied/devel/kernel/linux-2.6 into drm-core-next

Browse Source 
Merge in the upstream tree to bring in the mainline fixes.

Conflicts:
	drivers/gpu/drm/exynos/exynos_drm_fbdev.c
	drivers/gpu/drm/nouveau/nouveau_sgdma.c
This commit is contained in:
Dave Airlie
2011-12-20 14:43:53 +00:00
parent 0cecdd818c 384703b8e6
commit 1fbe6f625f
1343 changed files with 15922 additions and 11805 deletions
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40
drivers/gpu/drm/drm_crtc_helper.c
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@@ -457,6 +457,30 @@ done:
EXPORT_SYMBOL(drm_crtc_helper_set_mode);
static int
drm_crtc_helper_disable(struct drm_crtc *crtc)
{
struct drm_device *dev = crtc->dev;
struct drm_connector *connector;
struct drm_encoder *encoder;
/* Decouple all encoders and their attached connectors from this crtc */
list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
if (encoder->crtc != crtc)
continue;
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
if (connector->encoder != encoder)
continue;
connector->encoder = NULL;
}
}
drm_helper_disable_unused_functions(dev);
return 0;
}
/**
* drm_crtc_helper_set_config - set a new config from userspace
* @crtc: CRTC to setup
@@ -485,6 +509,7 @@ int drm_crtc_helper_set_config(struct drm_mode_set *set)
struct drm_connector *save_connectors, *connector;
int count = 0, ro, fail = 0;
struct drm_crtc_helper_funcs *crtc_funcs;
struct drm_mode_set save_set;
int ret = 0;
int i;
@@ -510,8 +535,7 @@ int drm_crtc_helper_set_config(struct drm_mode_set *set)
(int)set->num_connectors, set->x, set->y);
} else {
DRM_DEBUG_KMS("[CRTC:%d] [NOFB]\n", set->crtc->base.id);
set->mode = NULL;
set->num_connectors = 0;
return drm_crtc_helper_disable(set->crtc);
}
dev = set->crtc->dev;
@@ -557,6 +581,12 @@ int drm_crtc_helper_set_config(struct drm_mode_set *set)
save_connectors[count++] = *connector;
}
save_set.crtc = set->crtc;
save_set.mode = &set->crtc->mode;
save_set.x = set->crtc->x;
save_set.y = set->crtc->y;
save_set.fb = set->crtc->fb;
/* We should be able to check here if the fb has the same properties
* and then just flip_or_move it */
if (set->crtc->fb != set->fb) {
@@ -722,6 +752,12 @@ fail:
*connector = save_connectors[count++];
}
/* Try to restore the config */
if (mode_changed &&
!drm_crtc_helper_set_mode(save_set.crtc, save_set.mode, save_set.x,
save_set.y, save_set.fb))
DRM_ERROR("failed to restore config after modeset failure\n");
kfree(save_connectors);
kfree(save_encoders);
kfree(save_crtcs);