[Intel-gfx] [PATCH v3 15/16] drm/i915/guc: Convert __guc_ads_init to iosys_map

[Matthew Brost]

On Wed, Feb 16, 2022 at 09:41:46AM -0800, Lucas De Marchi wrote:
> Now that all the called functions from __guc_ads_init() are converted to
> use ads_map, stop using ads_blob in __guc_ads_init().
> 
> 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>

Reviewed-by: Matthew Brost <matthew.brost at intel.com>

> ---
>  drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c | 25 ++++++++++++----------
>  1 file changed, 14 insertions(+), 11 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 90cbb93a2945..d0593063c0dc 100644
> --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c
> +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c
> @@ -608,7 +608,6 @@ static void __guc_ads_init(struct intel_guc *guc)
>  {
>  	struct intel_gt *gt = guc_to_gt(guc);
>  	struct drm_i915_private *i915 = gt->i915;
> -	struct __guc_ads_blob *blob = guc->ads_blob;
>  	struct iosys_map info_map = IOSYS_MAP_INIT_OFFSET(&guc->ads_map,
>  			offsetof(struct __guc_ads_blob, system_info));
>  	u32 base;
> @@ -619,17 +618,18 @@ static void __guc_ads_init(struct intel_guc *guc)
>  	/* System info */
>  	fill_engine_enable_masks(gt, &info_map);
>  
> -	blob->system_info.generic_gt_sysinfo[GUC_GENERIC_GT_SYSINFO_SLICE_ENABLED] =
> -		hweight8(gt->info.sseu.slice_mask);
> -	blob->system_info.generic_gt_sysinfo[GUC_GENERIC_GT_SYSINFO_VDBOX_SFC_SUPPORT_MASK] =
> -		gt->info.vdbox_sfc_access;
> +	ads_blob_write(guc, system_info.generic_gt_sysinfo[GUC_GENERIC_GT_SYSINFO_SLICE_ENABLED],
> +		       hweight8(gt->info.sseu.slice_mask));
> +	ads_blob_write(guc, system_info.generic_gt_sysinfo[GUC_GENERIC_GT_SYSINFO_VDBOX_SFC_SUPPORT_MASK],
> +		       gt->info.vdbox_sfc_access);
>  
>  	if (GRAPHICS_VER(i915) >= 12 && !IS_DGFX(i915)) {
>  		u32 distdbreg = intel_uncore_read(gt->uncore,
>  						  GEN12_DIST_DBS_POPULATED);
> -		blob->system_info.generic_gt_sysinfo[GUC_GENERIC_GT_SYSINFO_DOORBELL_COUNT_PER_SQIDI] =
> -			((distdbreg >> GEN12_DOORBELLS_PER_SQIDI_SHIFT) &
> -			 GEN12_DOORBELLS_PER_SQIDI) + 1;
> +		ads_blob_write(guc,
> +			       system_info.generic_gt_sysinfo[GUC_GENERIC_GT_SYSINFO_DOORBELL_COUNT_PER_SQIDI],
> +			       ((distdbreg >> GEN12_DOORBELLS_PER_SQIDI_SHIFT)
> +				& GEN12_DOORBELLS_PER_SQIDI) + 1);
>  	}
>  
>  	/* Golden contexts for re-initialising after a watchdog reset */
> @@ -643,14 +643,17 @@ static void __guc_ads_init(struct intel_guc *guc)
>  	guc_capture_list_init(guc);
>  
>  	/* ADS */
> -	blob->ads.scheduler_policies = base + ptr_offset(blob, policies);
> -	blob->ads.gt_system_info = base + ptr_offset(blob, system_info);
> +	ads_blob_write(guc, ads.scheduler_policies, base +
> +		       offsetof(struct __guc_ads_blob, policies));
> +	ads_blob_write(guc, ads.gt_system_info, base +
> +		       offsetof(struct __guc_ads_blob, system_info));
>  
>  	/* MMIO save/restore list */
>  	guc_mmio_reg_state_init(guc);
>  
>  	/* Private Data */
> -	blob->ads.private_data = base + guc_ads_private_data_offset(guc);
> +	ads_blob_write(guc, ads.private_data, base +
> +		       guc_ads_private_data_offset(guc));
>  
>  	i915_gem_object_flush_map(guc->ads_vma->obj);
>  }
> -- 
> 2.35.1
>