drm/xe: Fix memset on iomem

It should rather use xe_map_memset() as the BO is created with
XE_BO_FLAG_VRAM_IF_DGFX in xe_guc_pc_init().

Fixes: dd08ebf6c352 ("drm/xe: Introduce a new DRM driver for Intel GPUs")
Cc: stable@vger.kernel.org
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://lore.kernel.org/r/20250612-vmap-vaddr-v1-1-26238ed443eb@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
(cherry picked from commit 21cf47d89fba353b2d5915ba4718040c4cb955d3)
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>

diff --git a/drivers/gpu/drm/xe/xe_guc_pc.c b/drivers/gpu/drm/xe/xe_guc_pc.c
index 18c623992035520ec78646240512220abee07935..3beaaa7b25c1b06661a2d7d5fb4516184e6518e2 100644 (file)
--- a/drivers/gpu/drm/xe/xe_guc_pc.c
+++ b/drivers/gpu/drm/xe/xe_guc_pc.c
@@ -1068,7 +1068,7 @@ int xe_guc_pc_start(struct xe_guc_pc *pc)
                goto out;
        }
 
-       memset(pc->bo->vmap.vaddr, 0, size);
+       xe_map_memset(xe, &pc->bo->vmap, 0, 0, size);
        slpc_shared_data_write(pc, header.size, size);
 
        earlier = ktime_get();