[PATCH v4 02/16] drm/i915: Print memory region info during probe

[Ville Syrjala]

From: Ville Syrjälä <ville.syrj...@linux.intel.com>

Dump the details about every memory region into dmesg at probe time.
Avoids having to dig those out from random places when debugging stuff.

Reviewed-by: Andrzej Hajda <andrzej.ha...@intel.com>
Reviewed-by: Nirmoy Das <nirmoy....@intel.com>
Tested-by: Paz Zcharya <p...@chromium.org>
Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
---
 drivers/gpu/drm/i915/intel_memory_region.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_memory_region.c 
b/drivers/gpu/drm/i915/intel_memory_region.c
index b2708f8cac2a..52d998e5c21a 100644
--- a/drivers/gpu/drm/i915/intel_memory_region.c
+++ b/drivers/gpu/drm/i915/intel_memory_region.c
@@ -372,6 +372,24 @@ int intel_memory_regions_hw_probe(struct drm_i915_private 
*i915)
                i915->mm.regions[i] = mem;
        }
 
+       for (i = 0; i < ARRAY_SIZE(i915->mm.regions); i++) {
+               struct intel_memory_region *mem = i915->mm.regions[i];
+               u64 region_size, io_size;
+
+               if (!mem)
+                       continue;
+
+               region_size = resource_size(&mem->region) >> 20;
+               io_size = resource_size(&mem->io) >> 20;
+
+               if (resource_size(&mem->io))
+                       drm_dbg(&i915->drm, "Memory region(%d): %s: %llu MiB 
%pR, io: %llu MiB %pR\n",
+                               mem->id, mem->name, region_size, &mem->region, 
io_size, &mem->io);
+               else
+                       drm_dbg(&i915->drm, "Memory region(%d): %s: %llu MiB 
%pR, io: n/a\n",
+                               mem->id, mem->name, region_size, &mem->region);
+       }
+
        return 0;
 
 out_cleanup:
-- 
2.43.0