Attachment 56275 Details for Bug 34429 – Apply power to the panel before enabling hotplug interrupts and before communicating with the panel on the I2C bus

[patch] Apply power to the panel before enabling hotplug interrupts and before communicating with the panel on the I2C bus

Patch_v1.0.diff (text/plain), 1.02 KB, created by Yuriy Khomchik on 2012-01-29 00:51:57 UTC

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Creator: Yuriy Khomchik

Created: 2012-01-29 00:51:57 UTC

Size: 1.02 KB

patch

obsolete

>diff -u a/drivers/gpu/drm/nouveau/nouveau_bios.h b/drivers/gpu/drm/nouveau/nouveau_bios.h
>--- a/drivers/gpu/drm/nouveau/nouveau_bios.h	2012-01-27 09:16:00.000000000 +0300
>+++ b/drivers/gpu/drm/nouveau/nouveau_bios.h	2012-01-28 22:41:16.000000000 +0300
>@@ -54,6 +54,7 @@
> int bit_table(struct drm_device *, u8 id, struct bit_entry *);
> 
> enum dcb_gpio_tag {
>+	DCB_GPIO_PANEL_POWER = 0x1,
> 	DCB_GPIO_TVDAC0 = 0xc,
> 	DCB_GPIO_TVDAC1 = 0x2d,
> 	DCB_GPIO_PWM_FAN = 0x9,
>diff -u a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c
>--- a/drivers/gpu/drm/nouveau/nouveau_display.c	2012-01-27 09:16:00.000000000 +0300
>+++ b/drivers/gpu/drm/nouveau/nouveau_display.c	2012-01-28 22:41:10.000000000 +0300
>@@ -221,6 +221,9 @@
> 
> 	drm_kms_helper_poll_enable(dev);
> 
>+	if (!nouveau_gpio_func_set(dev, DCB_GPIO_PANEL_POWER, true))
>+		msleep(300);
>+
> 	/* enable hotplug interrupts */
> 	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
> 		struct nouveau_connector *conn = nouveau_connector(connector);

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Attachments on bug 34429: 43511 | 43512 | 43513 | 43841 | 50998 | 56275

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