From: CQ Tang <cq.tang@xxxxxxxxx>
Adjust the page offset with region start dma address.
Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
Cc: Matthew Auld <matthew.auld@xxxxxxxxx>
Cc: Abdiel Janulgue <abdiel.janulgue@xxxxxxxxxxxxxxx>
Cc: Niranjana Vishwanathapura <niranjana.vishwanathapura@xxxxxxxxx>
Cc: Sudeep Dutt <sudeep.dutt@xxxxxxxxx>
Signed-off-by: CQ Tang <cq.tang@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_gpu_error.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c
index d8cac4c5881f..16424755e89c 100644
--- a/drivers/gpu/drm/i915/i915_gpu_error.c
+++ b/drivers/gpu/drm/i915/i915_gpu_error.c
@@ -1051,7 +1051,9 @@ i915_vma_coredump_create(const struct intel_gt *gt,
for_each_sgt_daddr(dma, iter, vma->pages) {
void __iomem *s;
- s = io_mapping_map_wc(&mem->iomap, dma, PAGE_SIZE);
+ s = io_mapping_map_wc(&mem->iomap,
+ dma - mem->region.start,
+ PAGE_SIZE);
ret = compress_page(compress,
(void __force *)s, dst,
true);
--
2.26.2
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