[PATCH 16/40] drm/amd/amdgpu/si_dma: Fix a bunch of function documentation issues

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

 drivers/gpu/drm/amd/amdgpu/si_dma.c:92: warning: Function parameter or member 'addr' not described in 'si_dma_ring_emit_fence'
 drivers/gpu/drm/amd/amdgpu/si_dma.c:92: warning: Function parameter or member 'seq' not described in 'si_dma_ring_emit_fence'
 drivers/gpu/drm/amd/amdgpu/si_dma.c:92: warning: Function parameter or member 'flags' not described in 'si_dma_ring_emit_fence'
 drivers/gpu/drm/amd/amdgpu/si_dma.c:92: warning: Excess function parameter 'fence' description in 'si_dma_ring_emit_fence'
 drivers/gpu/drm/amd/amdgpu/si_dma.c:252: warning: Function parameter or member 'timeout' not described in 'si_dma_ring_test_ib'
 drivers/gpu/drm/amd/amdgpu/si_dma.c:408: warning: Function parameter or member 'ring' not described in 'si_dma_ring_pad_ib'
 drivers/gpu/drm/amd/amdgpu/si_dma.c:446: warning: Function parameter or member 'vmid' not described in 'si_dma_ring_emit_vm_flush'
 drivers/gpu/drm/amd/amdgpu/si_dma.c:446: warning: Function parameter or member 'pd_addr' not described in 'si_dma_ring_emit_vm_flush'
 drivers/gpu/drm/amd/amdgpu/si_dma.c:446: warning: Excess function parameter 'vm' description in 'si_dma_ring_emit_vm_flush'
 drivers/gpu/drm/amd/amdgpu/si_dma.c:781: warning: Function parameter or member 'ib' not described in 'si_dma_emit_copy_buffer'
 drivers/gpu/drm/amd/amdgpu/si_dma.c:781: warning: Function parameter or member 'tmz' not described in 'si_dma_emit_copy_buffer'
 drivers/gpu/drm/amd/amdgpu/si_dma.c:781: warning: Excess function parameter 'ring' description in 'si_dma_emit_copy_buffer'
 drivers/gpu/drm/amd/amdgpu/si_dma.c:804: warning: Function parameter or member 'ib' not described in 'si_dma_emit_fill_buffer'
 drivers/gpu/drm/amd/amdgpu/si_dma.c:804: warning: Excess function parameter 'ring' description in 'si_dma_emit_fill_buffer'

Cc: Alex Deucher <alexander.deucher@xxxxxxx>
Cc: "Christian König" <christian.koenig@xxxxxxx>
Cc: David Airlie <airlied@xxxxxxxx>
Cc: Daniel Vetter <daniel@xxxxxxxx>
Cc: Sumit Semwal <sumit.semwal@xxxxxxxxxx>
Cc: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
Cc: linux-media@xxxxxxxxxxxxxxx
Cc: linaro-mm-sig@xxxxxxxxxxxxxxxx
Signed-off-by: Lee Jones <lee.jones@xxxxxxxxxx>
---
 drivers/gpu/drm/amd/amdgpu/si_dma.c | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/si_dma.c b/drivers/gpu/drm/amd/amdgpu/si_dma.c
index 7d2bbcbe547b2..540dced190f33 100644
--- a/drivers/gpu/drm/amd/amdgpu/si_dma.c
+++ b/drivers/gpu/drm/amd/amdgpu/si_dma.c
@@ -81,7 +81,9 @@ static void si_dma_ring_emit_ib(struct amdgpu_ring *ring,
  * si_dma_ring_emit_fence - emit a fence on the DMA ring
  *
  * @ring: amdgpu ring pointer
- * @fence: amdgpu fence object
+ * @addr: address
+ * @seq: sequence number
+ * @flags: fence related flags
  *
  * Add a DMA fence packet to the ring to write
  * the fence seq number and DMA trap packet to generate
@@ -244,6 +246,7 @@ static int si_dma_ring_test_ring(struct amdgpu_ring *ring)
  * si_dma_ring_test_ib - test an IB on the DMA engine
  *
  * @ring: amdgpu_ring structure holding ring information
+ * @timeout: timeout value in jiffies, or MAX_SCHEDULE_TIMEOUT
  *
  * Test a simple IB in the DMA ring (VI).
  * Returns 0 on success, error on failure.
@@ -401,6 +404,7 @@ static void si_dma_vm_set_pte_pde(struct amdgpu_ib *ib,
 /**
  * si_dma_pad_ib - pad the IB to the required number of dw
  *
+ * @ring: amdgpu_ring pointer
  * @ib: indirect buffer to fill with padding
  *
  */
@@ -436,7 +440,8 @@ static void si_dma_ring_emit_pipeline_sync(struct amdgpu_ring *ring)
  * si_dma_ring_emit_vm_flush - cik vm flush using sDMA
  *
  * @ring: amdgpu_ring pointer
- * @vm: amdgpu_vm pointer
+ * @vmid: vmid number to use
+ * @pd_addr: address
  *
  * Update the page table base and flush the VM TLB
  * using sDMA (VI).
@@ -764,10 +769,11 @@ static void si_dma_set_irq_funcs(struct amdgpu_device *adev)
 /**
  * si_dma_emit_copy_buffer - copy buffer using the sDMA engine
  *
- * @ring: amdgpu_ring structure holding ring information
+ * @ib: indirect buffer to copy to
  * @src_offset: src GPU address
  * @dst_offset: dst GPU address
  * @byte_count: number of bytes to xfer
+ * @tmz: unused
  *
  * Copy GPU buffers using the DMA engine (VI).
  * Used by the amdgpu ttm implementation to move pages if
@@ -790,7 +796,7 @@ static void si_dma_emit_copy_buffer(struct amdgpu_ib *ib,
 /**
  * si_dma_emit_fill_buffer - fill buffer using the sDMA engine
  *
- * @ring: amdgpu_ring structure holding ring information
+ * @ib: indirect buffer to copy to
  * @src_data: value to write to buffer
  * @dst_offset: dst GPU address
  * @byte_count: number of bytes to xfer
-- 
2.25.1

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