Use dma_buf_map_memset() to zero the private data as ADS may be either on system or IO memory.
Cc: Matt Roper <[email protected]> Cc: Thomas Hellström <[email protected]> Cc: Daniel Vetter <[email protected]> Cc: John Harrison <[email protected]> Cc: Matthew Brost <[email protected]> Cc: Daniele Ceraolo Spurio <[email protected]> Signed-off-by: Lucas De Marchi <[email protected]> --- drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c index fe1e71adfca1..15990c229b54 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c @@ -668,14 +668,15 @@ void intel_guc_ads_destroy(struct intel_guc *guc) static void guc_ads_private_data_reset(struct intel_guc *guc) { + struct dma_buf_map map = + DMA_BUF_MAP_INIT_OFFSET(&guc->ads_map, guc_ads_private_data_offset(guc)); u32 size; size = guc_ads_private_data_size(guc); if (!size) return; - memset((void *)guc->ads_blob + guc_ads_private_data_offset(guc), 0, - size); + dma_buf_map_memset(&map, 0, size); } /** -- 2.35.0
