提交 73f4b1f8 编写于 作者: I Ilia Mirkin 提交者: Ben Skeggs

drm/nouveau: fix backlight mask on ppc powerbook

This code was originally moved to using nv_mask by d31e078d. This
should not have any actual effect since the mask isn't applied to the
value.
Signed-off-by: NIlia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: NBen Skeggs <bskeggs@redhat.com>
上级 4449933a
......@@ -493,7 +493,7 @@ static void nv04_dfp_update_backlight(struct drm_encoder *encoder, int mode)
if (dev->pdev->device == 0x0174 || dev->pdev->device == 0x0179 ||
dev->pdev->device == 0x0189 || dev->pdev->device == 0x0329) {
if (mode == DRM_MODE_DPMS_ON) {
nv_mask(device, NV_PBUS_DEBUG_DUALHEAD_CTL, 0, 1 << 31);
nv_mask(device, NV_PBUS_DEBUG_DUALHEAD_CTL, 1 << 31, 1 << 31);
nv_mask(device, NV_PCRTC_GPIO_EXT, 3, 1);
} else {
nv_mask(device, NV_PBUS_DEBUG_DUALHEAD_CTL, 1 << 31, 0);
......
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