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Commit 89e728ce authored by Stefan de Konink's avatar Stefan de Konink Committed by Ben Skeggs
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drm/nouveau: Fix DPMS 1 on G4 Snowball, from snow white to coal black. 

Fixes https://bugs.freedesktop.org/show_bug.cgi?id=40275

.

Signed-off-by: default avatarStefan de Konink <stefan@konink.de>
Signed-off-by: default avatarMarcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent af1ac18a

drivers/gpu/drm/nouveau/nv04_dfp.c

+2 −2
Original line number Diff line number Diff line
@@ -490,8 +490,8 @@ static void nv04_dfp_update_backlight(struct drm_encoder *encoder, int mode) 
	/* BIOS scripts usually take care of the backlight, thanks

	 * Apple for your consistency.

	 */

	if (dev->pci_device == 0x0179 || dev->pci_device == 0x0189 ||

	    dev->pci_device == 0x0329) {

	if (dev->pci_device == 0x0174 || dev->pci_device == 0x0179 ||

	    dev->pci_device == 0x0189 || dev->pci_device == 0x0329) {

		if (mode == DRM_MODE_DPMS_ON) {

			nv_mask(device, NV_PBUS_DEBUG_DUALHEAD_CTL, 0, 1 << 31);

			nv_mask(device, NV_PCRTC_GPIO_EXT, 3, 1);