Use dma_buf_map_memset() to zero the private data as ADS may be either
on system or IO memory.

Cc: Matt Roper <matthew.d.ro...@intel.com>
Cc: Thomas Hellström <thomas.hellst...@linux.intel.com>
Cc: Daniel Vetter <dan...@ffwll.ch>
Cc: John Harrison <john.c.harri...@intel.com>
Cc: Matthew Brost <matthew.br...@intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospu...@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demar...@intel.com>
---
 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

Reply via email to