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authorFrancisco Jerez <currojerez@riseup.net>2010-08-15 14:32:49 +0200
committerBen Skeggs <bskeggs@redhat.com>2010-08-17 11:59:48 +1000
commit20d66daf0aeae4abd2f498d0cedf3e506946f3c2 (patch)
treee1711e8ebdd898355e8e68b769a834cc56ee821e /drivers/gpu/drm
parent19bf5f7df918f86a1507389101b5eddcad983951 (diff)
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drm/nouveau: Workaround missing GPIO tables on an Apple iMac G4 NV18.
This should fix the reported TV-out load detection false positives (fdo bug 29455). Reported-by: Vlado Plaga <rechner@vlado-do.de> Signed-off-by: Francisco Jerez <currojerez@riseup.net> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_bios.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c
index 9e7fc1d..e144f7a 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bios.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bios.c
@@ -5807,6 +5807,22 @@ parse_dcb_gpio_table(struct nvbios *bios)
gpio->line = tvdac_gpio[1] >> 4;
gpio->invert = tvdac_gpio[0] & 2;
}
+ } else {
+ /*
+ * No systematic way to store GPIO info on pre-v2.2
+ * DCBs, try to match the PCI device IDs.
+ */
+
+ /* Apple iMac G4 NV18 */
+ if (dev->pdev->device == 0x0189 &&
+ dev->pdev->subsystem_vendor == 0x10de &&
+ dev->pdev->subsystem_device == 0x0010) {
+ struct dcb_gpio_entry *gpio = new_gpio_entry(bios);
+
+ gpio->tag = DCB_GPIO_TVDAC0;
+ gpio->line = 4;
+ }
+
}
if (!gpio_table_ptr)