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drm/i915: Fix the sgt.pfn sanity check

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For the device local-memory case, sgt.pfn will always be equal to zero,
since we instead use sgt.dma. Also, for device local-memory it is
perfectly valid for it to start from zero anyway, so no need to add a
new check for that either.

Signed-off-by: Kui Wen <kui.wen@intel.com>
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20210119133106.66294-1-matthew.auld@intel.com
This commit is contained in:
Kui Wen 2021-01-19 13:31:03 +00:00 committed by Chris Wilson
parent db80a1294c
commit 23b2afc6ee
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/i915/i915_mm.c
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@ -62,7 +62,7 @@ static int remap_sg(pte_t *pte, unsigned long addr, void *data)
{
struct remap_pfn *r = data;
if (GEM_WARN_ON(!r->sgt.pfn))
if (GEM_WARN_ON(!r->sgt.sgp))
return -EINVAL;
/* Special PTE are not associated with any struct page */