[PATCH] drm: amd: display: fix dc/core/dc.c kernel-doc
Hamza Mahfooz
hamza.mahfooz at amd.com
Fri Dec 30 19:33:32 UTC 2022
On 12/28/22 20:00, Randy Dunlap wrote:
> Fix all kernel-doc warnings in dc/core/dc.c:
>
> dc.c:385: warning: missing initial short description on line:
> * dc_stream_adjust_vmin_vmax:
> dc.c:392: warning: contents before sections
> dc.c:399: warning: No description found for return value of 'dc_stream_adjust_vmin_vmax'
> dc.c:434: warning: Excess function parameter 'adjust' description in 'dc_stream_get_last_used_drr_vtotal'
> dc.c:434: warning: No description found for return value of 'dc_stream_get_last_used_drr_vtotal'
> dc.c:574: warning: No description found for return value of 'dc_stream_configure_crc'
> dc.c:1746: warning: No description found for return value of 'dc_commit_state_no_check'
> dc.c:4991: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
> * dc_extended_blank_supported 0 Decide whether extended blank is supported
> dc.c:4991: warning: missing initial short description on line:
> * dc_extended_blank_supported 0 Decide whether extended blank is supported
> dc.c:4723: warning: Function parameter or member 'dc' not described in 'dc_enable_dmub_outbox'
> dc.c:4926: warning: Function parameter or member 'dc' not described in 'dc_process_dmub_dpia_hpd_int_enable'
> dc.c:4926: warning: Function parameter or member 'hpd_int_enable' not described in 'dc_process_dmub_dpia_hpd_int_enable'
> 12 warnings
>
> Signed-off-by: Randy Dunlap <rdunlap at infradead.org>
> Reported-by: kernel test robot <lkp at intel.com>
> Cc: Rodrigo Siqueira <Rodrigo.Siqueira at amd.com>
> Cc: Alex Deucher <alexander.deucher at amd.com>
> Cc: Hamza Mahfooz <hamza.mahfooz at amd.com>
> Cc: Harry Wentland <harry.wentland at amd.com>
> Cc: Leo Li <sunpeng.li at amd.com>
> Cc: Christian König <christian.koenig at amd.com>
> Cc: "Pan, Xinhui" <Xinhui.Pan at amd.com>
> Cc: amd-gfx at lists.freedesktop.org
Applied, thanks!
> ---
> Based on linux-next-20221226 but also applies to mainline.
>
> drivers/gpu/drm/amd/display/dc/core/dc.c | 40 +++++++++++++--------
> 1 file changed, 25 insertions(+), 15 deletions(-)
>
> diff -- a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
> --- a/drivers/gpu/drm/amd/display/dc/core/dc.c
> +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
> @@ -382,16 +382,18 @@ static void dc_perf_trace_destroy(struct
> }
>
> /**
> - * dc_stream_adjust_vmin_vmax:
> + * dc_stream_adjust_vmin_vmax - look up pipe context & update parts of DRR
> + * @dc: dc reference
> + * @stream: Initial dc stream state
> + * @adjust: Updated parameters for vertical_total_min and vertical_total_max
> *
> * Looks up the pipe context of dc_stream_state and updates the
> * vertical_total_min and vertical_total_max of the DRR, Dynamic Refresh
> * Rate, which is a power-saving feature that targets reducing panel
> * refresh rate while the screen is static
> *
> - * @dc: dc reference
> - * @stream: Initial dc stream state
> - * @adjust: Updated parameters for vertical_total_min and vertical_total_max
> + * Return: %true if the pipe context is found and adjusted;
> + * %false if the pipe context is not found.
> */
> bool dc_stream_adjust_vmin_vmax(struct dc *dc,
> struct dc_stream_state *stream,
> @@ -419,14 +421,17 @@ bool dc_stream_adjust_vmin_vmax(struct d
> }
>
> /**
> - * dc_stream_get_last_used_drr_vtotal - dc_stream_get_last_vrr_vtotal
> + * dc_stream_get_last_used_drr_vtotal - Looks up the pipe context of
> + * dc_stream_state and gets the last VTOTAL used by DRR (Dynamic Refresh Rate)
> *
> * @dc: [in] dc reference
> * @stream: [in] Initial dc stream state
> - * @adjust: [in] Updated parameters for vertical_total_min and
> + * @refresh_rate: [in] new refresh_rate
> *
> - * Looks up the pipe context of dc_stream_state and gets the last VTOTAL used
> - * by DRR (Dynamic Refresh Rate)
> + * Return: %true if the pipe context is found and there is an associated
> + * timing_generator for the DC;
> + * %false if the pipe context is not found or there is no
> + * timing_generator for the DC.
> */
> bool dc_stream_get_last_used_drr_vtotal(struct dc *dc,
> struct dc_stream_state *stream,
> @@ -567,7 +572,10 @@ dc_stream_forward_crc_window(struct dc_s
> * once.
> *
> * By default, only CRC0 is configured, and the entire frame is used to
> - * calculate the crc.
> + * calculate the CRC.
> + *
> + * Return: %false if the stream is not found or CRC capture is not supported;
> + * %true if the stream has been configured.
> */
> bool dc_stream_configure_crc(struct dc *dc, struct dc_stream_state *stream,
> struct crc_params *crc_window, bool enable, bool continuous)
> @@ -636,7 +644,7 @@ bool dc_stream_configure_crc(struct dc *
> * dc_stream_configure_crc needs to be called beforehand to enable CRCs.
> *
> * Return:
> - * false if stream is not found, or if CRCs are not enabled.
> + * %false if stream is not found, or if CRCs are not enabled.
> */
> bool dc_stream_get_crc(struct dc *dc, struct dc_stream_state *stream,
> uint32_t *r_cr, uint32_t *g_y, uint32_t *b_cb)
> @@ -1741,6 +1749,8 @@ void dc_z10_save_init(struct dc *dc)
> *
> * Applies given context to the hardware and copy it into current context.
> * It's up to the user to release the src context afterwards.
> + *
> + * Return: an enum dc_status result code for the operation
> */
> static enum dc_status dc_commit_state_no_check(struct dc *dc, struct dc_state *context)
> {
> @@ -4705,7 +4715,7 @@ bool dc_enable_dmub_notifications(struct
> /**
> * dc_enable_dmub_outbox - Enables DMUB unsolicited notification
> *
> - * dc: [in] dc structure
> + * @dc: [in] dc structure
> *
> * Enables DMUB unsolicited notifications to x86 via outbox.
> */
> @@ -4906,8 +4916,8 @@ enum dc_status dc_process_dmub_set_mst_s
> /**
> * dc_process_dmub_dpia_hpd_int_enable - Submits DPIA DPD interruption
> *
> - * @dc [in]: dc structure
> - * @hpd_int_enable [in]: 1 for hpd int enable, 0 to disable
> + * @dc: [in] dc structure
> + * @hpd_int_enable: [in] 1 for hpd int enable, 0 to disable
> *
> * Submits dpia hpd int enable command to dmub via inbox message
> */
> @@ -4988,7 +4998,7 @@ void dc_notify_vsync_int_state(struct dc
> }
>
> /**
> - * dc_extended_blank_supported 0 Decide whether extended blank is supported
> + * dc_extended_blank_supported - Decide whether extended blank is supported
> *
> * @dc: [in] Current DC state
> *
> @@ -4997,7 +5007,7 @@ void dc_notify_vsync_int_state(struct dc
> * ability to enter z9/z10.
> *
> * Return:
> - * Indicate whether extended blank is supported (true or false)
> + * Indicate whether extended blank is supported (%true or %false)
> */
> bool dc_extended_blank_supported(struct dc *dc)
> {
--
Hamza
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