drm/amd/amdgpu/uvd_v4_2: Fix some kernel-doc misdemeanours

Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c:157: warning: Function parameter or member 'handle' not described in 'uvd_v4_2_hw_init'
 drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c:157: warning: Excess function parameter 'adev' description in 'uvd_v4_2_hw_init'
 drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c:212: warning: Function parameter or member 'handle' not described in 'uvd_v4_2_hw_fini'
 drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c:212: warning: Excess function parameter 'adev' description in 'uvd_v4_2_hw_fini'
 drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c:446: warning: Function parameter or member 'addr' not described in 'uvd_v4_2_ring_emit_fence'
 drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c:446: warning: Function parameter or member 'seq' not described in 'uvd_v4_2_ring_emit_fence'
 drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c:446: warning: Function parameter or member 'flags' not described in 'uvd_v4_2_ring_emit_fence'
 drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c:446: warning: Excess function parameter 'fence' description in 'uvd_v4_2_ring_emit_fence'
 drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c:513: warning: Function parameter or member 'job' not described in 'uvd_v4_2_ring_emit_ib'
 drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c:513: warning: Function parameter or member 'flags' not described in 'uvd_v4_2_ring_emit_ib'
Acked-by: Christian König <christian.koenig@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: amd-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c

@@ -149,7 +149,7 @@ static void uvd_v4_2_enable_mgcg(struct amdgpu_device *adev,
 /**
  * uvd_v4_2_hw_init - start and test UVD block
  *
- * @adev: amdgpu_device pointer
+ * @handle: handle used to pass amdgpu_device pointer
  *
  * Initialize the hardware, boot up the VCPU and do some testing
  */
@@ -204,7 +204,7 @@ static int uvd_v4_2_hw_init(void *handle)
 /**
  * uvd_v4_2_hw_fini - stop the hardware block
  *
- * @adev: amdgpu_device pointer
+ * @handle: handle used to pass amdgpu_device pointer
  *
  * Stop the UVD block, mark ring as not ready any more
  */
@@ -437,6 +437,8 @@ static void uvd_v4_2_stop(struct amdgpu_device *adev)
  * uvd_v4_2_ring_emit_fence - emit an fence & trap command
  *
  * @ring: amdgpu_ring pointer
+ * @addr: address
+ * @seq: sequence number
  * @fence: fence to emit
  *
  * Write a fence and a trap command to the ring.
@@ -502,7 +504,9 @@ static int uvd_v4_2_ring_test_ring(struct amdgpu_ring *ring)
  * uvd_v4_2_ring_emit_ib - execute indirect buffer
  *
  * @ring: amdgpu_ring pointer
+ * @job: iob associated with the indirect buffer
  * @ib: indirect buffer to execute
+ * @flags: flags associated with the indirect buffer
  *
  * Write ring commands to execute the indirect buffer
  */