[PATCH 10/19] drm/i915/guc: Convert guc_ads_private_data_reset to dma_buf_map

[Lucas De Marchi]

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.roper at intel.com>
Cc: Thomas Hellström <thomas.hellstrom at linux.intel.com>
Cc: Daniel Vetter <daniel at ffwll.ch>
Cc: John Harrison <John.C.Harrison at Intel.com>
Cc: Matthew Brost <matthew.brost at intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio at intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi at 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