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Date: Tue, 12 Jan 2021 17:29:43 -0500
From: Alex Deucher <alexdeucher@...il.com>
To: Lee Jones <lee.jones@...aro.org>
Cc: Leo Li <sunpeng.li@....com>, Anthony Koo <Anthony.Koo@....com>,
LKML <linux-kernel@...r.kernel.org>,
amd-gfx list <amd-gfx@...ts.freedesktop.org>,
David Airlie <airlied@...ux.ie>,
Maling list - DRI developers
<dri-devel@...ts.freedesktop.org>,
Alex Deucher <alexander.deucher@....com>,
Christian König <christian.koenig@....com>
Subject: Re: [PATCH 26/40] drm/amd/display/dc/dce110/dce110_timing_generator:
Demote kernel-doc abuses to standard function headers
On Mon, Jan 11, 2021 at 2:20 PM Lee Jones <lee.jones@...aro.org> wrote:
>
> Fixes the following W=1 kernel build warning(s):
>
> drivers/gpu/drm/amd/amdgpu/../display/dc/dce110/dce110_timing_generator.c:79: warning: Cannot understand *****************************************************************************
> drivers/gpu/drm/amd/amdgpu/../display/dc/dce110/dce110_timing_generator.c:124: warning: Function parameter or member 'tg' not described in 'dce110_timing_generator_enable_crtc'
> drivers/gpu/drm/amd/amdgpu/../display/dc/dce110/dce110_timing_generator.c:179: warning: Cannot understand *****************************************************************************
> drivers/gpu/drm/amd/amdgpu/../display/dc/dce110/dce110_timing_generator.c:233: warning: Function parameter or member 'tg' not described in 'dce110_timing_generator_disable_crtc'
> drivers/gpu/drm/amd/amdgpu/../display/dc/dce110/dce110_timing_generator.c:258: warning: Function parameter or member 'tg' not described in 'program_horz_count_by_2'
> drivers/gpu/drm/amd/amdgpu/../display/dc/dce110/dce110_timing_generator.c:258: warning: Function parameter or member 'timing' not described in 'program_horz_count_by_2'
> drivers/gpu/drm/amd/amdgpu/../display/dc/dce110/dce110_timing_generator.c:284: warning: Function parameter or member 'tg' not described in 'dce110_timing_generator_program_timing_generator'
> drivers/gpu/drm/amd/amdgpu/../display/dc/dce110/dce110_timing_generator.c:284: warning: Function parameter or member 'dc_crtc_timing' not described in 'dce110_timing_generator_program_timing_generator'
> drivers/gpu/drm/amd/amdgpu/../display/dc/dce110/dce110_timing_generator.c:356: warning: Cannot understand *****************************************************************************
> drivers/gpu/drm/amd/amdgpu/../display/dc/dce110/dce110_timing_generator.c:525: warning: Cannot understand *****************************************************************************
> drivers/gpu/drm/amd/amdgpu/../display/dc/dce110/dce110_timing_generator.c:561: warning: Cannot understand *****************************************************************************
> drivers/gpu/drm/amd/amdgpu/../display/dc/dce110/dce110_timing_generator.c:1118: warning: Function parameter or member 'tg' not described in 'dce110_timing_generator_validate_timing'
> drivers/gpu/drm/amd/amdgpu/../display/dc/dce110/dce110_timing_generator.c:1118: warning: Function parameter or member 'timing' not described in 'dce110_timing_generator_validate_timing'
> drivers/gpu/drm/amd/amdgpu/../display/dc/dce110/dce110_timing_generator.c:1118: warning: Function parameter or member 'signal' not described in 'dce110_timing_generator_validate_timing'
> drivers/gpu/drm/amd/amdgpu/../display/dc/dce110/dce110_timing_generator.c:1174: warning: Function parameter or member 'tg' not described in 'dce110_timing_generator_wait_for_vblank'
> drivers/gpu/drm/amd/amdgpu/../display/dc/dce110/dce110_timing_generator.c:1198: warning: Function parameter or member 'tg' not described in 'dce110_timing_generator_wait_for_vactive'
> drivers/gpu/drm/amd/amdgpu/../display/dc/dce110/dce110_timing_generator.c:1208: warning: Cannot understand *****************************************************************************
> drivers/gpu/drm/amd/amdgpu/../display/dc/dce110/dce110_timing_generator.c:1386: warning: Cannot understand *****************************************************************************
> drivers/gpu/drm/amd/amdgpu/../display/dc/dce110/dce110_timing_generator.c:1768: warning: Cannot understand *****************************************************************************
> drivers/gpu/drm/amd/amdgpu/../display/dc/dce110/dce110_timing_generator.c:1801: warning: Function parameter or member 'tg' not described in 'dce110_timing_generator_disable_vga'
> drivers/gpu/drm/amd/amdgpu/../display/dc/dce110/dce110_timing_generator.c:1851: warning: Function parameter or member 'tg' not described in 'dce110_timing_generator_set_overscan_color_black'
> drivers/gpu/drm/amd/amdgpu/../display/dc/dce110/dce110_timing_generator.c:1851: warning: Function parameter or member 'color' not described in 'dce110_timing_generator_set_overscan_color_black'
> drivers/gpu/drm/amd/amdgpu/../display/dc/dce110/dce110_timing_generator.c:1851: warning: Excess function parameter 'param' description in 'dce110_timing_generator_set_overscan_color_black'
>
> Cc: Harry Wentland <harry.wentland@....com>
> Cc: Leo Li <sunpeng.li@....com>
> Cc: Alex Deucher <alexander.deucher@....com>
> Cc: "Christian König" <christian.koenig@....com>
> Cc: David Airlie <airlied@...ux.ie>
> Cc: Daniel Vetter <daniel@...ll.ch>
> Cc: Anthony Koo <Anthony.Koo@....com>
> Cc: amd-gfx@...ts.freedesktop.org
> Cc: dri-devel@...ts.freedesktop.org
> Signed-off-by: Lee Jones <lee.jones@...aro.org>
Applied. Thanks!
Alex
> ---
> .../dc/dce110/dce110_timing_generator.c | 71 +++++++++----------
> 1 file changed, 34 insertions(+), 37 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_timing_generator.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_timing_generator.c
> index 9a6c411bb7fe6..d88a74559edd7 100644
> --- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_timing_generator.c
> +++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_timing_generator.c
> @@ -75,7 +75,7 @@ static void dce110_timing_generator_apply_front_porch_workaround(
> }
> }
>
> -/**
> +/*
> *****************************************************************************
> * Function: is_in_vertical_blank
> *
> @@ -116,7 +116,7 @@ void dce110_timing_generator_set_early_control(
> dm_write_reg(tg->ctx, address, regval);
> }
>
> -/**
> +/*
> * Enable CRTC
> * Enable CRTC - call ASIC Control Object to enable Timing generator.
> */
> @@ -175,7 +175,7 @@ void dce110_timing_generator_program_blank_color(
> dm_write_reg(tg->ctx, addr, value);
> }
>
> -/**
> +/*
> *****************************************************************************
> * Function: disable_stereo
> *
> @@ -226,7 +226,7 @@ static void disable_stereo(struct timing_generator *tg)
> }
> #endif
>
> -/**
> +/*
> * disable_crtc - call ASIC Control Object to disable Timing generator.
> */
> bool dce110_timing_generator_disable_crtc(struct timing_generator *tg)
> @@ -247,11 +247,10 @@ bool dce110_timing_generator_disable_crtc(struct timing_generator *tg)
> return result == BP_RESULT_OK;
> }
>
> -/**
> -* program_horz_count_by_2
> -* Programs DxCRTC_HORZ_COUNT_BY2_EN - 1 for DVI 30bpp mode, 0 otherwise
> -*
> -*/
> +/*
> + * program_horz_count_by_2
> + * Programs DxCRTC_HORZ_COUNT_BY2_EN - 1 for DVI 30bpp mode, 0 otherwise
> + */
> static void program_horz_count_by_2(
> struct timing_generator *tg,
> const struct dc_crtc_timing *timing)
> @@ -273,7 +272,7 @@ static void program_horz_count_by_2(
> CRTC_REG(mmCRTC_COUNT_CONTROL), regval);
> }
>
> -/**
> +/*
> * program_timing_generator
> * Program CRTC Timing Registers - DxCRTC_H_*, DxCRTC_V_*, Pixel repetition.
> * Call ASIC Control Object to program Timings.
> @@ -352,7 +351,7 @@ bool dce110_timing_generator_program_timing_generator(
> return result == BP_RESULT_OK;
> }
>
> -/**
> +/*
> *****************************************************************************
> * Function: set_drr
> *
> @@ -521,7 +520,7 @@ uint32_t dce110_timing_generator_get_vblank_counter(struct timing_generator *tg)
> return field;
> }
>
> -/**
> +/*
> *****************************************************************************
> * Function: dce110_timing_generator_get_position
> *
> @@ -557,7 +556,7 @@ void dce110_timing_generator_get_position(struct timing_generator *tg,
> CRTC_VERT_COUNT_NOM);
> }
>
> -/**
> +/*
> *****************************************************************************
> * Function: get_crtc_scanoutpos
> *
> @@ -1106,11 +1105,11 @@ void dce110_timing_generator_set_test_pattern(
> }
> }
>
> -/**
> -* dce110_timing_generator_validate_timing
> -* The timing generators support a maximum display size of is 8192 x 8192 pixels,
> -* including both active display and blanking periods. Check H Total and V Total.
> -*/
> +/*
> + * dce110_timing_generator_validate_timing
> + * The timing generators support a maximum display size of is 8192 x 8192 pixels,
> + * including both active display and blanking periods. Check H Total and V Total.
> + */
> bool dce110_timing_generator_validate_timing(
> struct timing_generator *tg,
> const struct dc_crtc_timing *timing,
> @@ -1167,9 +1166,9 @@ bool dce110_timing_generator_validate_timing(
> return true;
> }
>
> -/**
> -* Wait till we are at the beginning of VBlank.
> -*/
> +/*
> + * Wait till we are at the beginning of VBlank.
> + */
> void dce110_timing_generator_wait_for_vblank(struct timing_generator *tg)
> {
> /* We want to catch beginning of VBlank here, so if the first try are
> @@ -1191,9 +1190,9 @@ void dce110_timing_generator_wait_for_vblank(struct timing_generator *tg)
> }
> }
>
> -/**
> -* Wait till we are in VActive (anywhere in VActive)
> -*/
> +/*
> + * Wait till we are in VActive (anywhere in VActive)
> + */
> void dce110_timing_generator_wait_for_vactive(struct timing_generator *tg)
> {
> while (dce110_timing_generator_is_in_vertical_blank(tg)) {
> @@ -1204,7 +1203,7 @@ void dce110_timing_generator_wait_for_vactive(struct timing_generator *tg)
> }
> }
>
> -/**
> +/*
> *****************************************************************************
> * Function: dce110_timing_generator_setup_global_swap_lock
> *
> @@ -1215,7 +1214,6 @@ void dce110_timing_generator_wait_for_vactive(struct timing_generator *tg)
> * @param [in] gsl_params: setup data
> *****************************************************************************
> */
> -
> void dce110_timing_generator_setup_global_swap_lock(
> struct timing_generator *tg,
> const struct dcp_gsl_params *gsl_params)
> @@ -1382,7 +1380,7 @@ void dce110_timing_generator_tear_down_global_swap_lock(
>
> dm_write_reg(tg->ctx, address, value);
> }
> -/**
> +/*
> *****************************************************************************
> * Function: is_counter_moving
> *
> @@ -1764,7 +1762,7 @@ void dce110_timing_generator_disable_reset_trigger(
> dm_write_reg(tg->ctx, CRTC_REG(mmCRTC_TRIGB_CNTL), value);
> }
>
> -/**
> +/*
> *****************************************************************************
> * @brief
> * Checks whether CRTC triggered reset occurred
> @@ -1791,7 +1789,7 @@ bool dce110_timing_generator_did_triggered_reset_occur(
> return (force || vert_sync);
> }
>
> -/**
> +/*
> * dce110_timing_generator_disable_vga
> * Turn OFF VGA Mode and Timing - DxVGA_CONTROL
> * VGA Mode and VGA Timing is used by VBIOS on CRT Monitors;
> @@ -1837,14 +1835,13 @@ void dce110_timing_generator_disable_vga(
> dm_write_reg(tg->ctx, addr, value);
> }
>
> -/**
> -* set_overscan_color_black
> -*
> -* @param :black_color is one of the color space
> -* :this routine will set overscan black color according to the color space.
> -* @return none
> -*/
> -
> +/*
> + * set_overscan_color_black
> + *
> + * @param :black_color is one of the color space
> + * :this routine will set overscan black color according to the color space.
> + * @return none
> + */
> void dce110_timing_generator_set_overscan_color_black(
> struct timing_generator *tg,
> const struct tg_color *color)
> --
> 2.25.1
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@...ts.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel
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