drm/nouveau/pm: make clocks_set return an error code clocks_set can fail.

Reporting an error is better than silently refusing to reclock.

V2: Use the same logic on nv40

Signed-off-by: Martin Peres <martin.peres@labri.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/gpu/drm/nouveau/nouveau_pm.h b/drivers/gpu/drm/nouveau/nouveau_pm.h
index 5c87afde82d6..41050feb5b90 100644
--- a/drivers/gpu/drm/nouveau/nouveau_pm.h
+++ b/drivers/gpu/drm/nouveau/nouveau_pm.h
@@ -55,7 +55,7 @@ void nv04_pm_clock_set(struct drm_device *, void *);
 /* nv40_pm.c */
 int nv40_pm_clocks_get(struct drm_device *, struct nouveau_pm_level *);
 void *nv40_pm_clocks_pre(struct drm_device *, struct nouveau_pm_level *);
-void nv40_pm_clocks_set(struct drm_device *, void *);
+int nv40_pm_clocks_set(struct drm_device *, void *);
 int nv40_pm_pwm_get(struct drm_device *, struct dcb_gpio_entry *, u32*, u32*);
 int nv40_pm_pwm_set(struct drm_device *, struct dcb_gpio_entry *, u32, u32);
 
@@ -70,7 +70,7 @@ int nv50_pm_pwm_set(struct drm_device *, struct dcb_gpio_entry *, u32, u32);
 /* nva3_pm.c */
 int nva3_pm_clocks_get(struct drm_device *, struct nouveau_pm_level *);
 void *nva3_pm_clocks_pre(struct drm_device *, struct nouveau_pm_level *);
-void nva3_pm_clocks_set(struct drm_device *, void *);
+int nva3_pm_clocks_set(struct drm_device *, void *);
 
 /* nvc0_pm.c */
 int nvc0_pm_clocks_get(struct drm_device *, struct nouveau_pm_level *);