[PATCH 08/40] drm/amd/amdgpu/cik_sdma: Supply some missing function param descriptions

From: Lee Jones
Date: Mon Nov 23 2020 - 06:22:00 EST


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

drivers/gpu/drm/amd/amdgpu/cik_sdma.c:226: warning: Function parameter or member 'job' not described in 'cik_sdma_ring_emit_ib'
drivers/gpu/drm/amd/amdgpu/cik_sdma.c:226: warning: Function parameter or member 'flags' not described in 'cik_sdma_ring_emit_ib'
drivers/gpu/drm/amd/amdgpu/cik_sdma.c:278: warning: Function parameter or member 'addr' not described in 'cik_sdma_ring_emit_fence'
drivers/gpu/drm/amd/amdgpu/cik_sdma.c:278: warning: Function parameter or member 'seq' not described in 'cik_sdma_ring_emit_fence'
drivers/gpu/drm/amd/amdgpu/cik_sdma.c:278: warning: Function parameter or member 'flags' not described in 'cik_sdma_ring_emit_fence'
drivers/gpu/drm/amd/amdgpu/cik_sdma.c:278: warning: Excess function parameter 'fence' description in 'cik_sdma_ring_emit_fence'
drivers/gpu/drm/amd/amdgpu/cik_sdma.c:663: warning: Function parameter or member 'timeout' not described in 'cik_sdma_ring_test_ib'
drivers/gpu/drm/amd/amdgpu/cik_sdma.c:808: warning: Function parameter or member 'ring' not described in 'cik_sdma_ring_pad_ib'
drivers/gpu/drm/amd/amdgpu/cik_sdma.c:859: warning: Function parameter or member 'vmid' not described in 'cik_sdma_ring_emit_vm_flush'
drivers/gpu/drm/amd/amdgpu/cik_sdma.c:859: warning: Function parameter or member 'pd_addr' not described in 'cik_sdma_ring_emit_vm_flush'
drivers/gpu/drm/amd/amdgpu/cik_sdma.c:859: warning: Excess function parameter 'vm' description in 'cik_sdma_ring_emit_vm_flush'
drivers/gpu/drm/amd/amdgpu/cik_sdma.c:1315: warning: Function parameter or member 'ib' not described in 'cik_sdma_emit_copy_buffer'
drivers/gpu/drm/amd/amdgpu/cik_sdma.c:1315: warning: Function parameter or member 'tmz' not described in 'cik_sdma_emit_copy_buffer'
drivers/gpu/drm/amd/amdgpu/cik_sdma.c:1315: warning: Excess function parameter 'ring' description in 'cik_sdma_emit_copy_buffer'
drivers/gpu/drm/amd/amdgpu/cik_sdma.c:1339: warning: Function parameter or member 'ib' not described in 'cik_sdma_emit_fill_buffer'
drivers/gpu/drm/amd/amdgpu/cik_sdma.c:1339: warning: Excess function parameter 'ring' description in 'cik_sdma_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/cik_sdma.c | 14 +++++++++++---
1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
index 1a6494ea50912..f1e9966e7244e 100644
--- a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
+++ b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
@@ -215,7 +215,9 @@ static void cik_sdma_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count)
* cik_sdma_ring_emit_ib - Schedule an IB on the DMA engine
*
* @ring: amdgpu ring pointer
+ * @job: job to retrive vmid from
* @ib: IB object to schedule
+ * @flags: unused
*
* Schedule an IB in the DMA ring (CIK).
*/
@@ -267,6 +269,8 @@ static void cik_sdma_ring_emit_hdp_flush(struct amdgpu_ring *ring)
* cik_sdma_ring_emit_fence - emit a fence on the DMA ring
*
* @ring: amdgpu ring pointer
+ * @addr: address
+ * @seq: sequence number
* @fence: amdgpu fence object
*
* Add a DMA fence packet to the ring to write
@@ -655,6 +659,7 @@ static int cik_sdma_ring_test_ring(struct amdgpu_ring *ring)
* cik_sdma_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 (CIK).
* Returns 0 on success, error on failure.
@@ -801,6 +806,7 @@ static void cik_sdma_vm_set_pte_pde(struct amdgpu_ib *ib, uint64_t pe,
/**
* cik_sdma_vm_pad_ib - pad the IB to the required number of dw
*
+ * @ring: amdgpu_ring structure holding ring information
* @ib: indirect buffer to fill with padding
*
*/
@@ -849,7 +855,8 @@ static void cik_sdma_ring_emit_pipeline_sync(struct amdgpu_ring *ring)
* cik_sdma_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 (CIK).
@@ -1298,10 +1305,11 @@ static void cik_sdma_set_irq_funcs(struct amdgpu_device *adev)
/**
* cik_sdma_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 (CIK).
* Used by the amdgpu ttm implementation to move pages if
@@ -1325,7 +1333,7 @@ static void cik_sdma_emit_copy_buffer(struct amdgpu_ib *ib,
/**
* cik_sdma_emit_fill_buffer - fill buffer using the sDMA engine
*
- * @ring: amdgpu_ring structure holding ring information
+ * @ib: indirect buffer to fill
* @src_data: value to write to buffer
* @dst_offset: dst GPU address
* @byte_count: number of bytes to xfer
--
2.25.1