drm/i915: Print memory region info during probe

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.hajda@intel.com>
Reviewed-by: Nirmoy Das <nirmoy.das@intel.com>
Tested-by: Paz Zcharya <pazz@chromium.org>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240202224340.30647-3-ville.syrjala@linux.intel.com

diff --git a/drivers/gpu/drm/i915/intel_memory_region.c b/drivers/gpu/drm/i915/intel_memory_region.c
index b2708f8cac2a1c01e230530b01ec6db526103850..52d998e5c21adf8fb44b6ecc64bf45f6aa66f284 100644 (file)
--- 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: