[Nouveau] [Bug 14597] randr12 failures on 12" powerbooks, and workarounds

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=14597


Stuart Bennett <sb476 at cam.ac.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |sb476 at cam.ac.uk




--- Comment #15 from Stuart Bennett <sb476 at cam.ac.uk>  2008-02-29 02:37:17 PST ---
Try this:

diff --git a/src/nv_bios.c b/src/nv_bios.c
index 08e4ad8..c62cfac 100644
--- a/src/nv_bios.c
+++ b/src/nv_bios.c
@@ -2828,8 +2828,15 @@ static void call_lvds_manufacturer_script(ScrnInfoPtr
pScrn, int head, int dcb_e

        if (script == LVDS_PANEL_OFF)
                usleep(off_on_delay * 1000);
-       if (script == LVDS_RESET)
+       if (script == LVDS_RESET) {
+               nv32_wr(pScrn, 0x006828b4, 0x72);
+               nv32_wr(pScrn, 0x006828b0, 0x02);
+               nv32_wr(pScrn, 0x006828b4, 0x01);
+               nv32_wr(pScrn, 0x006828b0, 0x2f);
+               nv32_wr(pScrn, 0x00001588, 0);
+
                link_head_and_output(pScrn, head, dcb_entry, false);
+       }
 }

 static uint16_t clkcmptable(bios_t *bios, uint16_t clktable, int pxclk)


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