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-rw-r--r--drivers/gpu/drm/radeon/r100.c5
-rw-r--r--drivers/gpu/drm/radeon/radeon.h2
2 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index 97c9229b9299..0d05909f03f6 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",
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 248e3341a984..7f007185e7f7 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -673,6 +673,8 @@ void r100_pll_errata_after_index(struct radeon_device *rdev);
/*
* ASICs helpers.
*/
+#define ASIC_IS_RN50(rdev) ((rdev->pdev->device == 0x515e) || \
+ (rdev->pdev->device == 0x5969))
#define ASIC_IS_RV100(rdev) ((rdev->family == CHIP_RV100) || \
(rdev->family == CHIP_RV200) || \
(rdev->family == CHIP_RS100) || \