diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_display.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_display.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c index 3cb52bc52b2..795a9e3c990 100644 --- a/drivers/gpu/drm/nouveau/nouveau_display.c +++ b/drivers/gpu/drm/nouveau/nouveau_display.c @@ -219,6 +219,16 @@ nouveau_display_init(struct drm_device *dev) if (ret) return ret; + /* power on internal panel if it's not already. the init tables of + * some vbios default this to off for some reason, causing the + * panel to not work after resume + */ + if (nouveau_gpio_func_get(dev, DCB_GPIO_PANEL_POWER) == 0) { + nouveau_gpio_func_set(dev, DCB_GPIO_PANEL_POWER, true); + msleep(300); + } + + /* enable polling for external displays */ drm_kms_helper_poll_enable(dev); /* enable hotplug interrupts */ |