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Commit b995e433 authored by Dave Airlie's avatar Dave Airlie Committed by Dave Airlie
Browse files

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: default avatarDave Airlie <airlied@redhat.com>
parent 2a0f8918

drivers/gpu/drm/radeon/r100.c

+5 −0
Original line number Diff line number Diff line
@@ -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",

drivers/gpu/drm/radeon/radeon.h

+2 −0
Original line number Diff line number Diff line
@@ -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) || \