drm/radeon: don't allow RADEON_GEM_DOMAIN_CPU for command submission
It hangs the hardware. Signed-off-by: Marek Olšák <marek.olsak@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Cc: stable@vger.kernel.org
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@ -152,6 +152,12 @@ static int radeon_cs_parser_relocs(struct radeon_cs_parser *p)
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uint32_t domain = r->write_domain ?
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r->write_domain : r->read_domains;
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if (domain & RADEON_GEM_DOMAIN_CPU) {
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DRM_ERROR("RADEON_GEM_DOMAIN_CPU is not valid "
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"for command submission\n");
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return -EINVAL;
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}
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p->relocs[i].domain = domain;
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if (domain == RADEON_GEM_DOMAIN_VRAM)
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domain |= RADEON_GEM_DOMAIN_GTT;
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