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-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu.h1
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_device.c12
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c4
-rw-r--r--drivers/gpu/drm/amd/include/amd_shared.h2
4 files changed, 19 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 842e1d300745..c2372902f722 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -194,6 +194,7 @@ int amdgpu_set_clockgating_state(struct amdgpu_device *adev,
int amdgpu_set_powergating_state(struct amdgpu_device *adev,
enum amd_ip_block_type block_type,
enum amd_powergating_state state);
+void amdgpu_get_clockgating_state(struct amdgpu_device *adev, u32 *flags);
int amdgpu_wait_for_idle(struct amdgpu_device *adev,
enum amd_ip_block_type block_type);
bool amdgpu_is_idle(struct amdgpu_device *adev,
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index eb66cc526950..85b36edbdd61 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -1131,6 +1131,18 @@ int amdgpu_set_powergating_state(struct amdgpu_device *adev,
return r;
}
+void amdgpu_get_clockgating_state(struct amdgpu_device *adev, u32 *flags)
+{
+ int i;
+
+ for (i = 0; i < adev->num_ip_blocks; i++) {
+ if (!adev->ip_blocks[i].status.valid)
+ continue;
+ if (adev->ip_blocks[i].version->funcs->get_clockgating_state)
+ adev->ip_blocks[i].version->funcs->get_clockgating_state((void *)adev, flags);
+ }
+}
+
int amdgpu_wait_for_idle(struct amdgpu_device *adev,
enum amd_ip_block_type block_type)
{
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
index 0345fbbfff4e..c63e5d3a902c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
@@ -1365,6 +1365,10 @@ static int amdgpu_debugfs_pm_info(struct seq_file *m, void *data)
struct drm_device *dev = node->minor->dev;
struct amdgpu_device *adev = dev->dev_private;
struct drm_device *ddev = adev->ddev;
+ u32 flags = 0;
+
+ amdgpu_get_clockgating_state(adev, &flags);
+ seq_printf(m, "Clock Gating Flags Mask: 0x%x\n", flags);
if (!adev->pm.dpm_enabled) {
seq_printf(m, "dpm not enabled\n");
diff --git a/drivers/gpu/drm/amd/include/amd_shared.h b/drivers/gpu/drm/amd/include/amd_shared.h
index 92138a9f6f93..5fffe6f72640 100644
--- a/drivers/gpu/drm/amd/include/amd_shared.h
+++ b/drivers/gpu/drm/amd/include/amd_shared.h
@@ -214,6 +214,8 @@ struct amd_ip_funcs {
/* enable/disable pg for the IP block */
int (*set_powergating_state)(void *handle,
enum amd_powergating_state state);
+ /* get current clockgating status */
+ void (*get_clockgating_state)(void *handle, u32 *flags);
};
#endif /* __AMD_SHARED_H__ */