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nirmoyThomas Hellström
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drm/xe: Use non-interruptible wait when moving BO to system
Ensure a non-interruptible wait is used when moving a bo to XE_PL_SYSTEM. This prevents dma_mappings from being removed prematurely while a GPU job is still in progress, even if the CPU receives a signal during the operation. Fixes: 75521e8 ("drm/xe: Perform dma_map when moving system buffer objects to TT") Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com> Cc: Matthew Brost <matthew.brost@intel.com> Cc: Lucas De Marchi <lucas.demarchi@intel.com> Cc: stable@vger.kernel.org # v6.11+ Suggested-by: Matthew Auld <matthew.auld@intel.com> Reviewed-by: Matthew Auld <matthew.auld@intel.com> Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20241213122415.3880017-1-nirmoy.das@intel.com Signed-off-by: Nirmoy Das <nirmoy.das@intel.com> (cherry picked from commit dc5e20a) Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
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drivers/gpu/drm/xe/xe_bo.c

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -724,7 +724,7 @@ static int xe_bo_move(struct ttm_buffer_object *ttm_bo, bool evict,
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new_mem->mem_type == XE_PL_SYSTEM) {
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long timeout = dma_resv_wait_timeout(ttm_bo->base.resv,
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DMA_RESV_USAGE_BOOKKEEP,
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true,
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false,
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MAX_SCHEDULE_TIMEOUT);
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if (timeout < 0) {
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ret = timeout;

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