drm/amdgpu: optionally print the pin count in gem_info as well

Usefull when debugging page flipping.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
index e6fb7ded5a66fadf0171e6d6fdabc0027aaa695b..d7f1e49ab6ce0725780b7913e70931cda2060fc7 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
@@ -704,6 +704,7 @@ static int amdgpu_debugfs_gem_info(struct seq_file *m, void *data)
 
        mutex_lock(&adev->gem.mutex);
        list_for_each_entry(rbo, &adev->gem.objects, list) {
+               unsigned pin_count;
                unsigned domain;
                const char *placement;
 
@@ -720,8 +721,13 @@ static int amdgpu_debugfs_gem_info(struct seq_file *m, void *data)
                        placement = " CPU";
                        break;
                }
-               seq_printf(m, "bo[0x%08x] %12ld %s pid %8d\n",
+               seq_printf(m, "bo[0x%08x] %12ld %s pid %8d",
                           i, amdgpu_bo_size(rbo), placement, rbo->pid);
+
+               pin_count = ACCESS_ONCE(rbo->pin_count);
+               if (pin_count)
+                       seq_printf(m, " pin count %d", pin_count);
+               seq_printf(m, "\n");
                i++;
        }
        mutex_unlock(&adev->gem.mutex);