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-rw-r--r--common/recipes-kernel/linux/files/0323-drm-amdgpu-optionally-print-the-pin-count-in-gem_inf.patch47
1 files changed, 47 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/files/0323-drm-amdgpu-optionally-print-the-pin-count-in-gem_inf.patch b/common/recipes-kernel/linux/files/0323-drm-amdgpu-optionally-print-the-pin-count-in-gem_inf.patch
new file mode 100644
index 00000000..f8edcb5a
--- /dev/null
+++ b/common/recipes-kernel/linux/files/0323-drm-amdgpu-optionally-print-the-pin-count-in-gem_inf.patch
@@ -0,0 +1,47 @@
+From 2fc1bbf233adc66b9d052487bb26e6627a625f1d Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>
+Date: Mon, 15 Feb 2016 12:41:37 +0100
+Subject: [PATCH 0323/1110] drm/amdgpu: optionally print the pin count in
+ gem_info as well
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Usefull when debugging page flipping.
+
+Signed-off-by: Christian König <christian.koenig@amd.com>
+Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
+---
+ drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 8 +++++++-
+ 1 file changed, 7 insertions(+), 1 deletion(-)
+
+diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
+index 901a44c..cb7806a 100644
+--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
+@@ -705,6 +705,7 @@ 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;
+
+@@ -721,8 +722,13 @@ 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);
+--
+2.7.4
+