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drm/i915/lmem: debugfs for LMEM details

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Debugfs i915_gem_object is extended to enable the IGTs to
detect the LMEM's availability and the total size of LMEM.

v2: READ_ONCE is used [Chris]
v3: %pa is used for printing the resource [Chris]
v4: All regions' details added to debugfs [Chris]
v5: Macro for_each_mem_region added
    name is initialized at region init [Chris]

Signed-off-by: Lukasz Fiedorowicz <lukasz.fiedorowicz@intel.com>
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Signed-off-by: Stuart Summers <stuart.summers@intel.com>
Signed-off-by: Ramalingam C <ramalingam.c@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20191227133748.4330-1-ramalingam.c@intel.com
This commit is contained in:
Lukasz Fiedorowicz
2019-12-27 19:07:48 +05:30
committed by Chris Wilson
parent 640b50fa8c
commit 38f1cb6858
6 changed files with 36 additions and 2 deletions
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6
drivers/gpu/drm/i915/i915_debugfs.c
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@@ -367,12 +367,16 @@ static void print_context_stats(struct seq_file *m,
static int i915_gem_object_info(struct seq_file *m, void *data)
{
struct drm_i915_private *i915 = node_to_i915(m->private);
struct intel_memory_region *mr;
enum intel_region_id id;
seq_printf(m, "%u shrinkable [%u free] objects, %llu bytes\n",
i915->mm.shrink_count,
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);
seq_putc(m, '\n');
print_context_stats(m, i915);