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Code Issues Releases Wiki Activity

drm/i915/debugfs: hook up ttm_resource_manager_debug

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This should give a more complete view of the various bits of internal
resource manager state, for device local-memory.

v2(Thomas):
   - Move the region printing into a nice helper

Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210819093419.295636-2-matthew.auld@intel.com
This commit is contained in:
Matthew Auld 2021-08-19 10:34:19 +01:00
parent 5359b74514
commit 8c3363c67b
3 changed files with 18 additions and 2 deletions
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4
drivers/gpu/drm/i915/i915_debugfs.c
View file

@ -238,6 +238,7 @@ i915_debugfs_describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj)
static int i915_gem_object_info(struct seq_file *m, void *data)
{
struct drm_i915_private *i915 = node_to_i915(m->private);
struct drm_printer p = drm_seq_file_printer(m);
struct intel_memory_region *mr;
enum intel_region_id id;
@ -246,8 +247,7 @@ static int i915_gem_object_info(struct seq_file *m, void *data)
atomic_read(&i915->mm.free_count),
i915->mm.shrink_memory);
for_each_memory_region(mr, i915, id)
seq_printf(m, "%s: total:%pa, available:%pa bytes\n",
mr->name, &mr->total, &mr->avail);
intel_memory_region_debug(mr, &p);
return 0;
}

12
drivers/gpu/drm/i915/intel_memory_region.c
View file

@ -78,6 +78,18 @@ int intel_memory_region_reserve(struct intel_memory_region *mem,
return i915_ttm_buddy_man_reserve(man, offset, size);
}
void intel_memory_region_debug(struct intel_memory_region *mr,
struct drm_printer *printer)
{
drm_printf(printer, "%s: ", mr->name);
if (mr->region_private)
ttm_resource_manager_debug(mr->region_private, printer);
else
drm_printf(printer, "total:%pa, available:%pa bytes\n",
&mr->total, &mr->avail);
}
struct intel_memory_region *
intel_memory_region_create(struct drm_i915_private *i915,
resource_size_t start,

4
drivers/gpu/drm/i915/intel_memory_region.h
View file

@ -15,6 +15,7 @@
struct drm_i915_private;
struct drm_i915_gem_object;
struct drm_printer;
struct intel_memory_region;
struct sg_table;
struct ttm_resource;
@ -127,6 +128,9 @@ int intel_memory_region_reserve(struct intel_memory_region *mem,
resource_size_t offset,
resource_size_t size);
void intel_memory_region_debug(struct intel_memory_region *mr,
struct drm_printer *printer);
struct intel_memory_region *
i915_gem_ttm_system_setup(struct drm_i915_private *i915,
u16 type, u16 instance);