diff options
| author | Adam Jackson <ajax@redhat.com> | 2009-11-12 09:50:58 -0500 |
|---|---|---|
| committer | Adam Jackson <ajax@redhat.com> | 2009-11-12 09:50:58 -0500 |
| commit | 6fb5733ca06477bdab2d2070c4692ff45e09be61 (patch) | |
| tree | 9849dbfae7127c517b9bfac62d223bb7c80c78af | |
| parent | cc0682924e84006662d77557876123a88f76afa0 (diff) | |
Don't mess with the blender unit on chips that don't have it
Where your typical x86 machine silently ignores writes to non-existing
registers, UltraSPARC machines generate a bus error. So we shouldn't
write to the alpha blender setup register on the Imagine 1 and Imagine 2
that don't seem to have the blender unit.
Reviewed-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Mark Kettenis <mark.kettenis@xs4all.nl>
| -rw-r--r-- | src/i128accel.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/i128accel.c b/src/i128accel.c index 37d6353..6fb8c0f 100644 --- a/src/i128accel.c +++ b/src/i128accel.c @@ -508,7 +508,9 @@ I128XaaInit(ScreenPtr pScreen) pI128->mem.rbase_a[PCTRL] = 0x00000000; /* for lines */ pI128->mem.rbase_a[CLPTL] = 0x00000000; pI128->mem.rbase_a[CLPBR] = (4095<<16) | 2047 ; - pI128->mem.rbase_a[ACNTRL] = 0x00000000; + if (pI128->Chipset == PCI_CHIP_I128_T2R || + pI128->Chipset == PCI_CHIP_I128_T2R4) + pI128->mem.rbase_a[ACNTRL] = 0x00000000; pI128->mem.rbase_a[INTM] = 0x03; if (pI128->Debug) { |