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| author | Ben Skeggs <bskeggs@redhat.com> | 2012-01-31 09:16:59 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2012-02-01 15:23:55 +1000 |
| commit | 7df898b1a70b13c3a8892625f4ead929d9554293 (patch) | |
| tree | beda118e6b81145a03ee25821dbdad9f5ec9303e /drivers/gpu/drm/nouveau/nouveau_display.c | |
| parent | 62aa2b537c6f5957afd98e29f96897419ed5ebab (diff) | |
| download | op-kernel-dev-7df898b1a70b13c3a8892625f4ead929d9554293.zip op-kernel-dev-7df898b1a70b13c3a8892625f4ead929d9554293.tar.gz | |
drm/nouveau/disp: check that panel power gpio is enabled at init time
Reported-by: Yuriy Khomchik <homyur@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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 3cb52bc5..795a9e3 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 */ |
