drm/i915/guc: Convert guc_ads_private_data_reset to iosys_map

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

Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: John Harrison <John.C.Harrison@Intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220216174147.3073235-10-lucas.demarchi@intel.com

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 c61648e..d924486 100644 (file)
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c
@@ -714,8 +714,8 @@ static void guc_ads_private_data_reset(struct intel_guc *guc)
        if (!size)
                return;
 
-       memset((void *)guc->ads_blob + guc_ads_private_data_offset(guc), 0,
-              size);
+       iosys_map_memset(&guc->ads_map, guc_ads_private_data_offset(guc),
+                        0, size);
 }
 
 /**