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9c7632faad
In case the BO is in iomem, we can't simply take the vaddr and write to it. Instead, prepare a separate buffer that is later copied into io memory. Right now it's just a few words that could be using xe_map_write32(), but the intention is to grow the WA BB for other uses. Fixes:617d824c53("drm/xe: Add WA BB to capture active context utilization") Cc: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com> Cc: Tvrtko Ursulin <tvrtko.ursulin@igalia.com> Reviewed-by: Matthew Brost <matthew.brost@intel.com> Reviewed-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com> Link: https://lore.kernel.org/r/20250604-wa-bb-fix-v1-1-0dfc5dafcef0@intel.com Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com> (cherry picked from commitef48715b2d) Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>