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OpenCloudOS-Kernel
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drm/nouveau/pm: extend profile interface for destroy/init/fini 

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Martin Peres <martin.peres@labri.fr>
This commit is contained in:
Ben Skeggs 2012-01-24 18:03:25 +10:00
parent 8d7bb40063
commit 25c53c1068
2 changed files with 25 additions and 0 deletions
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4
drivers/gpu/drm/nouveau/nouveau_drv.h
View File

@ -487,6 +487,9 @@ struct nouveau_pm_tbl_entry {
struct nouveau_pm_profile;
struct nouveau_pm_profile_func {
void (*destroy)(struct nouveau_pm_profile *);
void (*init)(struct nouveau_pm_profile *);
void (*fini)(struct nouveau_pm_profile *);
struct nouveau_pm_level *(*select)(struct nouveau_pm_profile *);
};
@ -556,6 +559,7 @@ struct nouveau_pm_engine {
struct nouveau_pm_profile *profile_ac;
struct nouveau_pm_profile *profile_dc;
struct nouveau_pm_profile *profile;
struct list_head profiles;
struct nouveau_pm_level boot;

21
drivers/gpu/drm/nouveau/nouveau_pm.c
View File

@ -183,6 +183,12 @@ nouveau_pm_trigger(struct drm_device *dev)
else
profile = pm->profile_dc;
if (profile != pm->profile) {
pm->profile->func->fini(pm->profile);
pm->profile = profile;
pm->profile->func->init(pm->profile);
}
/* select performance level based on profile */
perflvl = profile->func->select(profile);
@ -251,6 +257,11 @@ nouveau_pm_profile_set(struct drm_device *dev, const char *profile)
return 0;
}
static void
nouveau_pm_static_dummy(struct nouveau_pm_profile *profile)
{
}
static struct nouveau_pm_level *
nouveau_pm_static_select(struct nouveau_pm_profile *profile)
{
@ -258,6 +269,9 @@ nouveau_pm_static_select(struct nouveau_pm_profile *profile)
}
const struct nouveau_pm_profile_func nouveau_pm_static_profile_func = {
.destroy = nouveau_pm_static_dummy,
.init = nouveau_pm_static_dummy,
.fini = nouveau_pm_static_dummy,
.select = nouveau_pm_static_select,
};
@ -856,6 +870,7 @@ nouveau_pm_init(struct drm_device *dev)
pm->profile_ac = &pm->boot.profile;
pm->profile_dc = &pm->boot.profile;
pm->profile = &pm->boot.profile;
pm->cur = &pm->boot;
/* add performance levels from vbios */
@ -893,6 +908,12 @@ nouveau_pm_fini(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_pm_engine *pm = &dev_priv->engine.pm;
struct nouveau_pm_profile *profile, *tmp;
list_for_each_entry_safe(profile, tmp, &pm->profiles, head) {
list_del(&profile->head);
profile->func->destroy(profile);
}
if (pm->cur != &pm->boot)
nouveau_pm_perflvl_set(dev, &pm->boot);