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authorDave Airlie <airlied@linux.ie>2009-07-14 02:02:32 +1000
committerDave Airlie <airlied@redhat.com>2009-07-15 17:13:21 +1000
commitb995e4330de0d8b1b8b9e49ce10cc6dc78e2cbba (patch)
treedb69f325b3a3b109dfd26460adc8295408f73097 /drivers/gpu/drm/radeon/r100.c
parent2a0f8918fc34713ecaeb900ffb9afa61df4cb08e (diff)
drm/radeon/kms: block RN50 from using 3D engine.
RN50/ES1000 is a cut-down rv100 chip used in the server market. The 3D engine on these is either not there or unverified so refuse any attempt to configure registers on it. Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/r100.c')
-rw-r--r--drivers/gpu/drm/radeon/r100.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index 97c9229b929..0d05909f03f 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -973,6 +973,11 @@ static int r100_packet0_check(struct radeon_cs_parser *p,
case R300_TX_OFFSET_0+52:
case R300_TX_OFFSET_0+56:
case R300_TX_OFFSET_0+60:
+ /* rn50 has no 3D engine so fail on any 3d setup */
+ if (ASIC_IS_RN50(p->rdev)) {
+ DRM_ERROR("attempt to use RN50 3D engine failed\n");
+ return -EINVAL;
+ }
r = r100_cs_packet_next_reloc(p, &reloc);
if (r) {
DRM_ERROR("No reloc for ib[%d]=0x%04X\n",