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drm/radeon/kms: block RN50 from using 3D engine.

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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>
This commit is contained in:
Dave Airlie 2009-07-14 02:02:32 +10:00 committed by Dave Airlie
parent 2a0f8918fc
commit b995e4330d
2 changed files with 7 additions and 0 deletions
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5
drivers/gpu/drm/radeon/r100.c
View File

@ -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",

2
drivers/gpu/drm/radeon/radeon.h
View File

@ -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) || \