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authorAlex Deucher <alex@botch2.(none)>2008-03-05 10:40:06 -0500
committerAlex Deucher <alex@botch2.(none)>2008-03-05 10:40:06 -0500
commit2901e99f1942842856cd39c1dcc8b22f3cf7d9e3 (patch)
treede5b236a10fca9d07430219a8dc87a01934c2b61
parent74eb981287d76836327830bd51272f605a07e0cc (diff)
RADEON: fix fetching of dac2 adj values from newer bios tables
-rw-r--r--src/radeon_bios.c24
1 files changed, 23 insertions, 1 deletions
diff --git a/src/radeon_bios.c b/src/radeon_bios.c
index 8e6bd8dc..3848e601 100644
--- a/src/radeon_bios.c
+++ b/src/radeon_bios.c
@@ -628,7 +628,21 @@ Bool RADEONGetDAC2InfoFromBIOS (xf86OutputPtr output)
offset = RADEON_BIOS16(info->ROMHeaderStart + 0x32);
if (offset) {
rev = RADEON_BIOS8(offset + 0x3);
- if (rev > 1) {
+ if (rev > 4) {
+ bg = RADEON_BIOS8(offset + 0xc) & 0xf;
+ dac = RADEON_BIOS8(offset + 0xd) & 0xf;
+ radeon_output->ps2_tvdac_adj = (bg << 16) | (dac << 20);
+
+ bg = RADEON_BIOS8(offset + 0xe) & 0xf;
+ dac = RADEON_BIOS8(offset + 0xf) & 0xf;
+ radeon_output->pal_tvdac_adj = (bg << 16) | (dac << 20);
+
+ bg = RADEON_BIOS8(offset + 0x10) & 0xf;
+ dac = RADEON_BIOS8(offset + 0x11) & 0xf;
+ radeon_output->ntsc_tvdac_adj = (bg << 16) | (dac << 20);
+
+ return TRUE;
+ } else if (rev > 1) {
bg = RADEON_BIOS8(offset + 0xc) & 0xf;
dac = (RADEON_BIOS8(offset + 0xc) >> 4) & 0xf;
radeon_output->ps2_tvdac_adj = (bg << 16) | (dac << 20);
@@ -656,6 +670,14 @@ Bool RADEONGetDAC2InfoFromBIOS (xf86OutputPtr output)
radeon_output->ntsc_tvdac_adj = radeon_output->ps2_tvdac_adj;
return TRUE;
+ } else {
+ bg = RADEON_BIOS8(offset + 0x4) & 0xf;
+ dac = RADEON_BIOS8(offset + 0x5) & 0xf;
+ radeon_output->ps2_tvdac_adj = (bg << 16) | (dac << 20);
+ radeon_output->pal_tvdac_adj = radeon_output->ps2_tvdac_adj;
+ radeon_output->ntsc_tvdac_adj = radeon_output->ps2_tvdac_adj;
+
+ return TRUE;
}
}
}