diff mbox series

[RFC,48/60] drm/i915: Fix object page offset within a region

Message ID 20200710115757.290984-49-matthew.auld@intel.com (mailing list archive)
State New, archived
Headers show
Series DG1 LMEM enabling | expand

Commit Message

Matthew Auld July 10, 2020, 11:57 a.m. UTC 
From: CQ Tang <cq.tang@intel.com>

Adjust the page offset with region start dma address.

Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Matthew Auld <matthew.auld@intel.com>
Cc: Abdiel Janulgue <abdiel.janulgue@linux.intel.com>
Cc: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com>
Cc: Sudeep Dutt <sudeep.dutt@intel.com>
Signed-off-by: CQ Tang <cq.tang@intel.com>
---
 drivers/gpu/drm/i915/i915_gpu_error.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c
index 678ddec3237f..07d53c4e1a2c 100644
--- a/drivers/gpu/drm/i915/i915_gpu_error.c
+++ b/drivers/gpu/drm/i915/i915_gpu_error.c
@@ -1033,7 +1033,9 @@  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);