Re: [PATCH 09/40] drm/amd/amdgpu/gfx_v7_0: Clean-up a bunch of kernel-doc related issues

From: Alex Deucher
Date: Tue Nov 24 2020 - 11:05:07 EST


On Mon, Nov 23, 2020 at 6:20 AM Lee Jones <lee.jones@xxxxxxxxxx> wrote:
>
> Fixes the following W=1 kernel build warning(s):
>
> drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c:1590: warning: Function parameter or member 'instance' not described in 'gfx_v7_0_select_se_sh'
> drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c:1788: warning: Excess function parameter 'se_num' description in 'gfx_v7_0_setup_rb'
> drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c:1788: warning: Excess function parameter 'sh_per_se' description in 'gfx_v7_0_setup_rb'
> drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c:1852: warning: Excess function parameter 'adev' description in 'DEFAULT_SH_MEM_BASES'
> drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c:2086: warning: Excess function parameter 'adev' description in 'gfx_v7_0_ring_test_ring'
> drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c:2130: warning: Function parameter or member 'ring' not described in 'gfx_v7_0_ring_emit_hdp_flush'
> drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c:2130: warning: Excess function parameter 'adev' description in 'gfx_v7_0_ring_emit_hdp_flush'
> drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c:2130: warning: Excess function parameter 'ridx' description in 'gfx_v7_0_ring_emit_hdp_flush'
> drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c:2182: warning: Function parameter or member 'ring' not described in 'gfx_v7_0_ring_emit_fence_gfx'
> drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c:2182: warning: Function parameter or member 'addr' not described in 'gfx_v7_0_ring_emit_fence_gfx'
> drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c:2182: warning: Function parameter or member 'seq' not described in 'gfx_v7_0_ring_emit_fence_gfx'
> drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c:2182: warning: Function parameter or member 'flags' not described in 'gfx_v7_0_ring_emit_fence_gfx'
> drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c:2182: warning: Excess function parameter 'adev' description in 'gfx_v7_0_ring_emit_fence_gfx'
> drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c:2182: warning: Excess function parameter 'fence' description in 'gfx_v7_0_ring_emit_fence_gfx'
> drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c:2224: warning: Function parameter or member 'ring' not described in 'gfx_v7_0_ring_emit_fence_compute'
> drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c:2224: warning: Function parameter or member 'addr' not described in 'gfx_v7_0_ring_emit_fence_compute'
> drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c:2224: warning: Function parameter or member 'seq' not described in 'gfx_v7_0_ring_emit_fence_compute'
> drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c:2224: warning: Function parameter or member 'flags' not described in 'gfx_v7_0_ring_emit_fence_compute'
> drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c:2224: warning: Excess function parameter 'adev' description in 'gfx_v7_0_ring_emit_fence_compute'
> drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c:2224: warning: Excess function parameter 'fence' description in 'gfx_v7_0_ring_emit_fence_compute'
> drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c:2260: warning: Function parameter or member 'job' not described in 'gfx_v7_0_ring_emit_ib_gfx'
> drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c:2260: warning: Function parameter or member 'flags' not described in 'gfx_v7_0_ring_emit_ib_gfx'
> drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c:2351: warning: Function parameter or member 'timeout' not described in 'gfx_v7_0_ring_test_ib'
> drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c:3244: warning: Function parameter or member 'ring' not described in 'gfx_v7_0_ring_emit_vm_flush'
> drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c:3244: warning: Function parameter or member 'vmid' not described in 'gfx_v7_0_ring_emit_vm_flush'
> drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c:3244: warning: Function parameter or member 'pd_addr' not described in 'gfx_v7_0_ring_emit_vm_flush'
> drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c:3244: warning: Excess function parameter 'adev' description in 'gfx_v7_0_ring_emit_vm_flush'
>
> 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>

Applied. Thanks!

Alex


> ---
> drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c | 33 +++++++++++++++------------
> 1 file changed, 19 insertions(+), 14 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
> index 04e1e92f5f3cf..f2490f915a8be 100644
> --- a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
> @@ -1580,10 +1580,10 @@ static void gfx_v7_0_tiling_mode_table_init(struct amdgpu_device *adev)
> * @adev: amdgpu_device pointer
> * @se_num: shader engine to address
> * @sh_num: sh block to address
> + * @instance: Certain registers are instanced per SE or SH.
> + * 0xffffffff means broadcast to all SEs or SHs (CIK).
> *
> - * Select which SE, SH combinations to address. Certain
> - * registers are instanced per SE or SH. 0xffffffff means
> - * broadcast to all SEs or SHs (CIK).
> + * Select which SE, SH combinations to address.
> */
> static void gfx_v7_0_select_se_sh(struct amdgpu_device *adev,
> u32 se_num, u32 sh_num, u32 instance)
> @@ -1779,8 +1779,6 @@ gfx_v7_0_write_harvested_raster_configs(struct amdgpu_device *adev,
> * gfx_v7_0_setup_rb - setup the RBs on the asic
> *
> * @adev: amdgpu_device pointer
> - * @se_num: number of SEs (shader engines) for the asic
> - * @sh_per_se: number of SH blocks per SE for the asic
> *
> * Configures per-SE/SH RB registers (CIK).
> */
> @@ -1841,6 +1839,7 @@ static void gfx_v7_0_setup_rb(struct amdgpu_device *adev)
> mutex_unlock(&adev->grbm_idx_mutex);
> }
>
> +#define DEFAULT_SH_MEM_BASES (0x6000)
> /**
> * gfx_v7_0_init_compute_vmid - gart enable
> *
> @@ -1849,7 +1848,6 @@ static void gfx_v7_0_setup_rb(struct amdgpu_device *adev)
> * Initialize compute vmid sh_mem registers
> *
> */
> -#define DEFAULT_SH_MEM_BASES (0x6000)
> static void gfx_v7_0_init_compute_vmid(struct amdgpu_device *adev)
> {
> int i;
> @@ -2074,7 +2072,6 @@ static void gfx_v7_0_scratch_init(struct amdgpu_device *adev)
> /**
> * gfx_v7_0_ring_test_ring - basic gfx ring test
> *
> - * @adev: amdgpu_device pointer
> * @ring: amdgpu_ring structure holding ring information
> *
> * Allocate a scratch register and write to it using the gfx ring (CIK).
> @@ -2121,8 +2118,7 @@ static int gfx_v7_0_ring_test_ring(struct amdgpu_ring *ring)
> /**
> * gfx_v7_0_ring_emit_hdp - emit an hdp flush on the cp
> *
> - * @adev: amdgpu_device pointer
> - * @ridx: amdgpu ring index
> + * @ring: amdgpu_ring structure holding ring information
> *
> * Emits an hdp flush on the cp.
> */
> @@ -2171,8 +2167,10 @@ static void gfx_v7_0_ring_emit_vgt_flush(struct amdgpu_ring *ring)
> /**
> * gfx_v7_0_ring_emit_fence_gfx - emit a fence on the gfx ring
> *
> - * @adev: amdgpu_device pointer
> - * @fence: amdgpu fence object
> + * @ring: amdgpu_ring structure holding ring information
> + * @addr: address
> + * @seq: sequence number
> + * @flags: fence related flags
> *
> * Emits a fence sequnce number on the gfx ring and flushes
> * GPU caches.
> @@ -2212,8 +2210,10 @@ static void gfx_v7_0_ring_emit_fence_gfx(struct amdgpu_ring *ring, u64 addr,
> /**
> * gfx_v7_0_ring_emit_fence_compute - emit a fence on the compute ring
> *
> - * @adev: amdgpu_device pointer
> - * @fence: amdgpu fence object
> + * @ring: amdgpu_ring structure holding ring information
> + * @addr: address
> + * @seq: sequence number
> + * @flags: fence related flags
> *
> * Emits a fence sequnce number on the compute ring and flushes
> * GPU caches.
> @@ -2245,7 +2245,9 @@ static void gfx_v7_0_ring_emit_fence_compute(struct amdgpu_ring *ring,
> * gfx_v7_0_ring_emit_ib - emit an IB (Indirect Buffer) on the ring
> *
> * @ring: amdgpu_ring structure holding ring information
> + * @job: job to retrive vmid from
> * @ib: amdgpu indirect buffer object
> + * @flags: options (AMDGPU_HAVE_CTX_SWITCH)
> *
> * Emits an DE (drawing engine) or CE (constant engine) IB
> * on the gfx ring. IBs are usually generated by userspace
> @@ -2342,6 +2344,7 @@ static void gfx_v7_ring_emit_cntxcntl(struct amdgpu_ring *ring, uint32_t flags)
> * gfx_v7_0_ring_test_ib - basic ring IB test
> *
> * @ring: amdgpu_ring structure holding ring information
> + * @timeout: timeout value in jiffies, or MAX_SCHEDULE_TIMEOUT
> *
> * Allocate an IB and execute it on the gfx ring (CIK).
> * Provides a basic gfx ring test to verify that IBs are working.
> @@ -3234,7 +3237,9 @@ static void gfx_v7_0_ring_emit_pipeline_sync(struct amdgpu_ring *ring)
> /**
> * gfx_v7_0_ring_emit_vm_flush - cik vm flush using the CP
> *
> - * @adev: amdgpu_device pointer
> + * @ring: amdgpu_ring pointer
> + * @vmid: vmid number to use
> + * @pd_addr: address
> *
> * Update the page table base and flush the VM TLB
> * using the CP (CIK).
> --
> 2.25.1
>
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