drm/xe: Constify xe_dss_mask_group_ffs()

Due to how xe_dss_mask_t is implemented, the type is a pointer. Since
this is only used for looking up the bits, make it const so it can be
used together with a const gt passed around.

Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

diff --git a/drivers/gpu/drm/xe/xe_gt_topology.c b/drivers/gpu/drm/xe/xe_gt_topology.c
index f2cbee53462b135fca4d17cfc1354601102cb620..14cf135fd648aa3a87093e470f36cb8e0833a0b0 100644 (file)
--- a/drivers/gpu/drm/xe/xe_gt_topology.c
+++ b/drivers/gpu/drm/xe/xe_gt_topology.c
@@ -123,7 +123,7 @@ xe_gt_topology_dump(struct xe_gt *gt, struct drm_printer *p)
  * groupsize and groupnum are non-zero.
  */
 unsigned int
-xe_dss_mask_group_ffs(xe_dss_mask_t mask, int groupsize, int groupnum)
+xe_dss_mask_group_ffs(const xe_dss_mask_t mask, int groupsize, int groupnum)
 {
        return find_next_bit(mask, XE_MAX_DSS_FUSE_BITS, groupnum * groupsize);
 }

diff --git a/drivers/gpu/drm/xe/xe_gt_topology.h b/drivers/gpu/drm/xe/xe_gt_topology.h
index f47ab1b1269c7c4e7a413fe997ca8ea92f6fd246..5f35deed9128e35beef1c27a7114c2d2532b240c 100644 (file)
--- a/drivers/gpu/drm/xe/xe_gt_topology.h
+++ b/drivers/gpu/drm/xe/xe_gt_topology.h
@@ -15,7 +15,7 @@ void xe_gt_topology_init(struct xe_gt *gt);
 void xe_gt_topology_dump(struct xe_gt *gt, struct drm_printer *p);
 
 unsigned int
-xe_dss_mask_group_ffs(xe_dss_mask_t mask, int groupsize, int groupnum);
+xe_dss_mask_group_ffs(const xe_dss_mask_t mask, int groupsize, int groupnum);
 
 bool
 xe_gt_topology_has_dss_in_quadrant(struct xe_gt *gt, int quad);