[Nouveau] [Bug 25938] black screen on the iMac powerpc using nouveau

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=25938





--- Comment #6 from Andrea Tacconi <tacconet at libero.it>  2010-01-14 01:51:42 PST ---
From: Andrea Tacconi <tacconet at libero.it>

Subject: [PATCH] drm/nouveau: add NV18 device id to
call_lvds_manufacturer_script 

This fixes imac black screen (NV18 card)  

Signed-off-by: Andrea Tacconi <tacconet at libero.it>
---
diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c
b/drivers/gpu/drm/nouveau/nouveau_bios.c
index ba14397..e24f2a8 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bios.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bios.c
@@ -3196,7 +3196,7 @@ static int call_lvds_manufacturer_script(struct
drm_device *dev, struct dcb_entr
        }
 #ifdef __powerpc__
        /* Powerbook specific quirks */
-       if (script == LVDS_RESET && ((dev->pci_device & 0xffff) == 0x0179 ||
(dev->pci_device & 0xffff) == 0x0329))
+       if (script == LVDS_RESET && ((dev->pci_device & 0xffff) == 0x0179 ||
(dev->pci_device & 0xffff) == 0x0189 || (dev->pci_device & 0xffff) == 0x0329))
                nv_write_tmds(dev, dcbent->or, 0, 0x02, 0x72);
        if ((dev->pci_device & 0xffff) == 0x0179 || (dev->pci_device & 0xffff)
== 0x0189 || (dev->pci_device & 0xffff) == 0x0329) {
                if (script == LVDS_PANEL_ON) {


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