drm/radeon/kms/atom: clean up op_mask handler

Readability cleanup and fix debugging output, no
functional change.
Reported-by: Frank Huang <FrankR.Huang@amd.com>

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher 2010-12-20 11:21:43 -05:00 committed by Dave Airlie
parent b61c99de8e
commit 7d6aa80c35

View file

@ -733,16 +733,16 @@ static void atom_op_jump(atom_exec_context *ctx, int *ptr, int arg)
static void atom_op_mask(atom_exec_context *ctx, int *ptr, int arg)
{
uint8_t attr = U8((*ptr)++);
uint32_t dst, src1, src2, saved;
uint32_t dst, mask, src, saved;
int dptr = *ptr;
SDEBUG(" dst: ");
dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
SDEBUG(" src1: ");
src1 = atom_get_src_direct(ctx, ((attr >> 3) & 7), ptr);
SDEBUG(" src2: ");
src2 = atom_get_src(ctx, attr, ptr);
dst &= src1;
dst |= src2;
mask = atom_get_src_direct(ctx, ((attr >> 3) & 7), ptr);
SDEBUG(" mask: 0x%08x", mask);
SDEBUG(" src: ");
src = atom_get_src(ctx, attr, ptr);
dst &= mask;
dst |= src;
SDEBUG(" dst: ");
atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
}