[PATCH] drm/amd/amdgpu: Add missing kdoc 'inst' parameter in 'amdgpu_device_ip_set_powergating_state'

[Srinivasan Shanmugam]

Fixes the below with gcc W=1:
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c:2182: warning: Function parameter or struct member 'inst' not described in 'amdgpu_device_ip_set_powergating_state'

Cc: Christian König <christian.koenig at amd.com>
Cc: Alex Deucher <alexander.deucher at amd.com>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index bb530dd2b3e3..84cda483445b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -2167,9 +2167,10 @@ int amdgpu_device_ip_set_clockgating_state(void *dev,
 /**
  * amdgpu_device_ip_set_powergating_state - set the PG state
  *
- * @dev: amdgpu_device pointer
+ * @dev:        amdgpu_device pointer
  * @block_type: Type of hardware IP (SMU, GFX, UVD, etc.)
- * @state: powergating state (gate or ungate)
+ * @state:      powergating state (gate or ungate)
+ * @inst:       instance of the hardware IP block
  *
  * Sets the requested powergating state for all instances of
  * the hardware IP specified.
-- 
2.34.1