drm/i915/sseu: Move sseu detection and dump to intel_sseu

Keep all the SSEU code in the relevant file. The code has also been
updated to use intel_gt instead of dev_priv.

Based on an original patch by Sandeep.
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Cc: Andi Shyti <andi.shyti@intel.com>
Cc: Venkata Sandeep Dhanalakota <venkata.s.dhanalakota@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20200708003952.21831-7-daniele.ceraolospurio@intel.com

drivers/gpu/drm/i915/gt/intel_gt.c

@@ -47,6 +47,7 @@ void intel_gt_init_hw_early(struct intel_gt *gt, struct i915_ggtt *ggtt)
 int intel_gt_init_mmio(struct intel_gt *gt)
 {
 	intel_uc_init_mmio(&gt->uc);
+	intel_sseu_info_init(gt);
 
 	return intel_engines_init_mmio(gt);
 }

drivers/gpu/drm/i915/gt/intel_sseu.h

@@ -13,6 +13,8 @@
 #include "i915_gem.h"
 
 struct drm_i915_private;
+struct intel_gt;
+struct drm_printer;
 
 #define GEN_MAX_SLICES		(6) /* CNL upper bound */
 #define GEN_MAX_SUBSLICES	(8) /* ICL upper bound */
@@ -94,7 +96,13 @@ u32  intel_sseu_get_subslices(const struct sseu_dev_info *sseu, u8 slice);
 void intel_sseu_set_subslices(struct sseu_dev_info *sseu, int slice,
 			      u32 ss_mask);
 
+void intel_sseu_info_init(struct intel_gt *gt);
+
 u32 intel_sseu_make_rpcs(struct drm_i915_private *i915,
 			 const struct intel_sseu *req_sseu);
 
+void intel_sseu_dump(const struct sseu_dev_info *sseu, struct drm_printer *p);
+void intel_sseu_print_topology(const struct sseu_dev_info *sseu,
+			       struct drm_printer *p);
+
 #endif /* __INTEL_SSEU_H__ */

drivers/gpu/drm/i915/i915_debugfs.c

@@ -1327,7 +1327,7 @@ static int i915_rcs_topology(struct seq_file *m, void *unused)
 	struct drm_i915_private *dev_priv = node_to_i915(m->private);
 	struct drm_printer p = drm_seq_file_printer(m);
 
-	intel_device_info_print_topology(&RUNTIME_INFO(dev_priv)->sseu, &p);
+	intel_sseu_print_topology(&RUNTIME_INFO(dev_priv)->sseu, &p);
 
 	return 0;
 }

drivers/gpu/drm/i915/i915_gpu_error.c

@@ -626,7 +626,7 @@ static void err_print_capabilities(struct drm_i915_error_state_buf *m,
 
 	intel_device_info_print_static(&error->device_info, &p);
 	intel_device_info_print_runtime(&error->runtime_info, &p);
-	intel_device_info_print_topology(&error->runtime_info.sseu, &p);
+	intel_sseu_print_topology(&error->runtime_info.sseu, &p);
 	intel_gt_info_print(&error->gt->info, &p);
 	intel_driver_caps_print(&error->driver_caps, &p);
 }

drivers/gpu/drm/i915/intel_device_info.h

@@ -242,8 +242,6 @@ void intel_device_info_print_static(const struct intel_device_info *info,
 				    struct drm_printer *p);
 void intel_device_info_print_runtime(const struct intel_runtime_info *info,
 				     struct drm_printer *p);
-void intel_device_info_print_topology(const struct sseu_dev_info *sseu,
-				      struct drm_printer *p);
 
 void intel_driver_caps_print(const struct intel_driver_caps *caps,
 			     struct drm_printer *p);