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| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2013-01-08 11:29:45 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2013-01-08 11:29:45 +0000 |
| commit | 07afa01813d547570a762034f0dce7fd8baa8b3d (patch) | |
| tree | 5b0a34f64e0f0e824ea153adeb6c98b98dd852ac /drivers/gpu/drm/radeon/r600_cs.c | |
| parent | 01a61f490cab732542753db69e17e5db657d185a (diff) | |
| parent | 3b4bc7bccc7857274705b05cf81a0c72cfd0b0dd (diff) | |
Merge remote-tracking branch 'asoc/fix/pxa' into asoc-pxa
Diffstat (limited to 'drivers/gpu/drm/radeon/r600_cs.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/r600_cs.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/r600_cs.c b/drivers/gpu/drm/radeon/r600_cs.c index 0be768be530c..9ea13d07cc55 100644 --- a/drivers/gpu/drm/radeon/r600_cs.c +++ b/drivers/gpu/drm/radeon/r600_cs.c @@ -2294,6 +2294,35 @@ static int r600_packet3_check(struct radeon_cs_parser *p, ib[idx+4] = upper_32_bits(offset) & 0xff; } break; + case PACKET3_MEM_WRITE: + { + u64 offset; + + if (pkt->count != 3) { + DRM_ERROR("bad MEM_WRITE (invalid count)\n"); + return -EINVAL; + } + r = r600_cs_packet_next_reloc(p, &reloc); + if (r) { + DRM_ERROR("bad MEM_WRITE (missing reloc)\n"); + return -EINVAL; + } + offset = radeon_get_ib_value(p, idx+0); + offset += ((u64)(radeon_get_ib_value(p, idx+1) & 0xff)) << 32UL; + if (offset & 0x7) { + DRM_ERROR("bad MEM_WRITE (address not qwords aligned)\n"); + return -EINVAL; + } + if ((offset + 8) > radeon_bo_size(reloc->robj)) { + DRM_ERROR("bad MEM_WRITE bo too small: 0x%llx, 0x%lx\n", + offset + 8, radeon_bo_size(reloc->robj)); + return -EINVAL; + } + offset += reloc->lobj.gpu_offset; + ib[idx+0] = offset; + ib[idx+1] = upper_32_bits(offset) & 0xff; + break; + } case PACKET3_COPY_DW: if (pkt->count != 4) { DRM_ERROR("bad COPY_DW (invalid count)\n"); |