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drm/radeon: cleanup UVD address checks

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Message and feedback buffers must be at start of
VRAM, not at start of address space.

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2013-04-14 12:45:43 +02:00 committed by Alex Deucher
parent abf1457bbb
commit a92c7d554f
1 changed files with 15 additions and 13 deletions
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28
drivers/gpu/drm/radeon/radeon_uvd.c
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@ -415,24 +415,26 @@ static int radeon_uvd_cs_reloc(struct radeon_cs_parser *p,
return -EINVAL;
}
if (cmd == 0) {
if (end & 0xFFFFFFFFF0000000) {
DRM_ERROR("msg buffer %LX-%LX out of 256MB segment!\n",
start, end);
return -EINVAL;
}
r = radeon_uvd_cs_msg(p, reloc->robj, offset, buf_sizes);
if (r)
return r;
}
if ((start & 0xFFFFFFFFF0000000) != (end & 0xFFFFFFFFF0000000)) {
if ((start >> 28) != (end >> 28)) {
DRM_ERROR("reloc %LX-%LX crossing 256MB boundary!\n",
start, end);
return -EINVAL;
}
/* TODO: is this still necessary on NI+ ? */
if ((cmd == 0 || cmd == 0x3) &&
(start >> 28) != (p->rdev->uvd.gpu_addr >> 28)) {
DRM_ERROR("msg/fb buffer %LX-%LX out of 256MB segment!\n",
start, end);
return -EINVAL;
}
if (cmd == 0) {
r = radeon_uvd_cs_msg(p, reloc->robj, offset, buf_sizes);
if (r)
return r;
}
return 0;
}