xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

drm/nouveau: introduce gpio engine

Browse Source 
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs
2010-07-26 09:28:25 +10:00
parent bf563a6b7c
commit ee2e013131
11 changed files with 100 additions and 38 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
drivers/gpu/drm/nouveau/nv04_dac.c
View File

@@ -220,6 +220,7 @@ uint32_t nv17_dac_sample_load(struct drm_encoder *encoder)
{
struct drm_device *dev = encoder->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_gpio_engine *gpio = &dev_priv->engine.gpio;
struct dcb_entry *dcb = nouveau_encoder(encoder)->dcb;
uint32_t sample, testval, regoffset = nv04_dac_output_offset(encoder);
uint32_t saved_powerctrl_2 = 0, saved_powerctrl_4 = 0, saved_routput,
@@ -251,11 +252,11 @@ uint32_t nv17_dac_sample_load(struct drm_encoder *encoder)
nvWriteMC(dev, NV_PBUS_POWERCTRL_4, saved_powerctrl_4 & 0xffffffcf);
}
saved_gpio1 = nv17_gpio_get(dev, DCB_GPIO_TVDAC1);
saved_gpio0 = nv17_gpio_get(dev, DCB_GPIO_TVDAC0);
saved_gpio1 = gpio->get(dev, DCB_GPIO_TVDAC1);
saved_gpio0 = gpio->get(dev, DCB_GPIO_TVDAC0);
nv17_gpio_set(dev, DCB_GPIO_TVDAC1, dcb->type == OUTPUT_TV);
nv17_gpio_set(dev, DCB_GPIO_TVDAC0, dcb->type == OUTPUT_TV);
gpio->set(dev, DCB_GPIO_TVDAC1, dcb->type == OUTPUT_TV);
gpio->set(dev, DCB_GPIO_TVDAC0, dcb->type == OUTPUT_TV);
msleep(4);
@@ -303,8 +304,8 @@ uint32_t nv17_dac_sample_load(struct drm_encoder *encoder)
nvWriteMC(dev, NV_PBUS_POWERCTRL_4, saved_powerctrl_4);
nvWriteMC(dev, NV_PBUS_POWERCTRL_2, saved_powerctrl_2);
nv17_gpio_set(dev, DCB_GPIO_TVDAC1, saved_gpio1);
nv17_gpio_set(dev, DCB_GPIO_TVDAC0, saved_gpio0);
gpio->set(dev, DCB_GPIO_TVDAC1, saved_gpio1);
gpio->set(dev, DCB_GPIO_TVDAC0, saved_gpio0);
return sample;
}