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Date:   Tue, 12 Jan 2021 17:10:10 -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 11/40] drm/amd/display/dc/dce120/dce120_timing_generator:

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/dce120/dce120_timing_generator.c:101:6: warning: no previous prototype for ‘dce120_timing_generator_validate_timing’ [-Wmissing-prototypes]
>  drivers/gpu/drm/amd/amdgpu/../display/dc/dce120/dce120_timing_generator.c:128:6: warning: no previous prototype for ‘dce120_tg_validate_timing’ [-Wmissing-prototypes]
>  drivers/gpu/drm/amd/amdgpu/../display/dc/dce120/dce120_timing_generator.c:136:6: warning: no previous prototype for ‘dce120_timing_generator_enable_crtc’ [-Wmissing-prototypes]
>  drivers/gpu/drm/amd/amdgpu/../display/dc/dce120/dce120_timing_generator.c:156:6: warning: no previous prototype for ‘dce120_timing_generator_set_early_control’ [-Wmissing-prototypes]
>  drivers/gpu/drm/amd/amdgpu/../display/dc/dce120/dce120_timing_generator.c:169:10: warning: no previous prototype for ‘dce120_timing_generator_get_vblank_counter’ [-Wmissing-prototypes]
>  drivers/gpu/drm/amd/amdgpu/../display/dc/dce120/dce120_timing_generator.c:184:6: warning: no previous prototype for ‘dce120_timing_generator_get_crtc_position’ [-Wmissing-prototypes]
>  drivers/gpu/drm/amd/amdgpu/../display/dc/dce120/dce120_timing_generator.c:210:6: warning: no previous prototype for ‘dce120_timing_generator_wait_for_vblank’ [-Wmissing-prototypes]
>  drivers/gpu/drm/amd/amdgpu/../display/dc/dce120/dce120_timing_generator.c:232:6: warning: no previous prototype for ‘dce120_timing_generator_wait_for_vactive’ [-Wmissing-prototypes]
>  drivers/gpu/drm/amd/amdgpu/../display/dc/dce120/dce120_timing_generator.c:245:6: warning: no previous prototype for ‘dce120_timing_generator_setup_global_swap_lock’ [-Wmissing-prototypes]
>  drivers/gpu/drm/amd/amdgpu/../display/dc/dce120/dce120_timing_generator.c:282:6: warning: no previous prototype for ‘dce120_timing_generator_tear_down_global_swap_lock’ [-Wmissing-prototypes]
>  drivers/gpu/drm/amd/amdgpu/../display/dc/dce120/dce120_timing_generator.c:303:6: warning: no previous prototype for ‘dce120_timing_generator_enable_reset_trigger’ [-Wmissing-prototypes]
>  drivers/gpu/drm/amd/amdgpu/../display/dc/dce120/dce120_timing_generator.c:350:6: warning: no previous prototype for ‘dce120_timing_generator_disable_reset_trigger’ [-Wmissing-prototypes]
>  drivers/gpu/drm/amd/amdgpu/../display/dc/dce120/dce120_timing_generator.c:370:6: warning: no previous prototype for ‘dce120_timing_generator_did_triggered_reset_occur’ [-Wmissing-prototypes]
>  drivers/gpu/drm/amd/amdgpu/../display/dc/dce120/dce120_timing_generator.c:387:6: warning: no previous prototype for ‘dce120_timing_generator_disable_vga’ [-Wmissing-prototypes]
>  drivers/gpu/drm/amd/amdgpu/../display/dc/dce120/dce120_timing_generator.c:428:6: warning: no previous prototype for ‘dce120_timing_generator_program_blanking’ [-Wmissing-prototypes]
>  drivers/gpu/drm/amd/amdgpu/../display/dc/dce120/dce120_timing_generator.c:488:6: warning: no previous prototype for ‘dce120_timing_generator_program_blank_color’ [-Wmissing-prototypes]
>  drivers/gpu/drm/amd/amdgpu/../display/dc/dce120/dce120_timing_generator.c:501:6: warning: no previous prototype for ‘dce120_timing_generator_set_overscan_color_black’ [-Wmissing-prototypes]
>  drivers/gpu/drm/amd/amdgpu/../display/dc/dce120/dce120_timing_generator.c:543:6: warning: no previous prototype for ‘dce120_timing_generator_set_drr’ [-Wmissing-prototypes]
>  drivers/gpu/drm/amd/amdgpu/../display/dc/dce120/dce120_timing_generator.c:602:6: warning: no previous prototype for ‘dce120_timing_generator_get_position’ [-Wmissing-prototypes]
>  drivers/gpu/drm/amd/amdgpu/../display/dc/dce120/dce120_timing_generator.c:635:6: warning: no previous prototype for ‘dce120_timing_generator_get_crtc_scanoutpos’ [-Wmissing-prototypes]
>  drivers/gpu/drm/amd/amdgpu/../display/dc/dce120/dce120_timing_generator.c:664:6: warning: no previous prototype for ‘dce120_timing_generator_enable_advanced_request’ [-Wmissing-prototypes]
>  drivers/gpu/drm/amd/amdgpu/../display/dc/dce120/dce120_timing_generator.c:702:6: warning: no previous prototype for ‘dce120_tg_program_blank_color’ [-Wmissing-prototypes]
>  drivers/gpu/drm/amd/amdgpu/../display/dc/dce120/dce120_timing_generator.c:725:6: warning: no previous prototype for ‘dce120_tg_set_overscan_color’ [-Wmissing-prototypes]
>  drivers/gpu/drm/amd/amdgpu/../display/dc/dce120/dce120_timing_generator.c:752:6: warning: no previous prototype for ‘dce120_tg_is_blanked’ [-Wmissing-prototypes]
>  drivers/gpu/drm/amd/amdgpu/../display/dc/dce120/dce120_timing_generator.c:773:6: warning: no previous prototype for ‘dce120_tg_set_blank’ [-Wmissing-prototypes]
>  drivers/gpu/drm/amd/amdgpu/../display/dc/dce120/dce120_timing_generator.c:792:6: warning: no previous prototype for ‘dce120_tg_wait_for_state’ [-Wmissing-prototypes]
>  drivers/gpu/drm/amd/amdgpu/../display/dc/dce120/dce120_timing_generator.c:809:6: warning: no previous prototype for ‘dce120_tg_set_colors’ [-Wmissing-prototypes]
>  drivers/gpu/drm/amd/amdgpu/../display/dc/dce120/dce120_timing_generator.c:836:6: warning: no previous prototype for ‘dce120_timing_generator_set_test_pattern’ [-Wmissing-prototypes]
>
> 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: Aric Cyr <aric.cyr@....com>
> 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/dce120/dce120_timing_generator.c       | 56 +++++++++----------
>  1 file changed, 28 insertions(+), 28 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/display/dc/dce120/dce120_timing_generator.c b/drivers/gpu/drm/amd/display/dc/dce120/dce120_timing_generator.c
> index 915fbb8e8168c..ebc7d61e8bf36 100644
> --- a/drivers/gpu/drm/amd/display/dc/dce120/dce120_timing_generator.c
> +++ b/drivers/gpu/drm/amd/display/dc/dce120/dce120_timing_generator.c
> @@ -98,7 +98,7 @@ static bool dce120_timing_generator_is_in_vertical_blank(
>
>
>  /* determine if given timing can be supported by TG */
> -bool dce120_timing_generator_validate_timing(
> +static bool dce120_timing_generator_validate_timing(
>         struct timing_generator *tg,
>         const struct dc_crtc_timing *timing,
>         enum signal_type signal)
> @@ -125,7 +125,7 @@ bool dce120_timing_generator_validate_timing(
>         return true;
>  }
>
> -bool dce120_tg_validate_timing(struct timing_generator *tg,
> +static bool dce120_tg_validate_timing(struct timing_generator *tg,
>         const struct dc_crtc_timing *timing)
>  {
>         return dce120_timing_generator_validate_timing(tg, timing, SIGNAL_TYPE_NONE);
> @@ -133,7 +133,7 @@ bool dce120_tg_validate_timing(struct timing_generator *tg,
>
>  /******** HW programming ************/
>  /* Disable/Enable Timing Generator */
> -bool dce120_timing_generator_enable_crtc(struct timing_generator *tg)
> +static bool dce120_timing_generator_enable_crtc(struct timing_generator *tg)
>  {
>         enum bp_result result;
>         struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg);
> @@ -153,7 +153,7 @@ bool dce120_timing_generator_enable_crtc(struct timing_generator *tg)
>         return result == BP_RESULT_OK;
>  }
>
> -void dce120_timing_generator_set_early_control(
> +static void dce120_timing_generator_set_early_control(
>                 struct timing_generator *tg,
>                 uint32_t early_cntl)
>  {
> @@ -166,7 +166,7 @@ void dce120_timing_generator_set_early_control(
>  /**************** TG current status ******************/
>
>  /* return the current frame counter. Used by Linux kernel DRM */
> -uint32_t dce120_timing_generator_get_vblank_counter(
> +static uint32_t dce120_timing_generator_get_vblank_counter(
>                 struct timing_generator *tg)
>  {
>         struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg);
> @@ -181,7 +181,7 @@ uint32_t dce120_timing_generator_get_vblank_counter(
>  }
>
>  /* Get current H and V position */
> -void dce120_timing_generator_get_crtc_position(
> +static void dce120_timing_generator_get_crtc_position(
>         struct timing_generator *tg,
>         struct crtc_position *position)
>  {
> @@ -207,7 +207,7 @@ void dce120_timing_generator_get_crtc_position(
>  }
>
>  /* wait until TG is in beginning of vertical blank region */
> -void dce120_timing_generator_wait_for_vblank(struct timing_generator *tg)
> +static void dce120_timing_generator_wait_for_vblank(struct timing_generator *tg)
>  {
>         /* We want to catch beginning of VBlank here, so if the first try are
>          * in VBlank, we might be very close to Active, in this case wait for
> @@ -229,7 +229,7 @@ void dce120_timing_generator_wait_for_vblank(struct timing_generator *tg)
>  }
>
>  /* wait until TG is in beginning of active region */
> -void dce120_timing_generator_wait_for_vactive(struct timing_generator *tg)
> +static void dce120_timing_generator_wait_for_vactive(struct timing_generator *tg)
>  {
>         while (dce120_timing_generator_is_in_vertical_blank(tg)) {
>                 if (!tg->funcs->is_counter_moving(tg)) {
> @@ -242,7 +242,7 @@ void dce120_timing_generator_wait_for_vactive(struct timing_generator *tg)
>  /*********** Timing Generator Synchronization routines ****/
>
>  /* Setups Global Swap Lock group, TimingServer or TimingClient*/
> -void dce120_timing_generator_setup_global_swap_lock(
> +static void dce120_timing_generator_setup_global_swap_lock(
>         struct timing_generator *tg,
>         const struct dcp_gsl_params *gsl_params)
>  {
> @@ -279,7 +279,7 @@ void dce120_timing_generator_setup_global_swap_lock(
>  }
>
>  /* Clear all the register writes done by setup_global_swap_lock */
> -void dce120_timing_generator_tear_down_global_swap_lock(
> +static void dce120_timing_generator_tear_down_global_swap_lock(
>         struct timing_generator *tg)
>  {
>         struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg);
> @@ -300,7 +300,7 @@ void dce120_timing_generator_tear_down_global_swap_lock(
>  }
>
>  /* Reset slave controllers on master VSync */
> -void dce120_timing_generator_enable_reset_trigger(
> +static void dce120_timing_generator_enable_reset_trigger(
>         struct timing_generator *tg,
>         int source)
>  {
> @@ -347,7 +347,7 @@ void dce120_timing_generator_enable_reset_trigger(
>  }
>
>  /* disabling trigger-reset */
> -void dce120_timing_generator_disable_reset_trigger(
> +static void dce120_timing_generator_disable_reset_trigger(
>         struct timing_generator *tg)
>  {
>         struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg);
> @@ -367,7 +367,7 @@ void dce120_timing_generator_disable_reset_trigger(
>  }
>
>  /* Checks whether CRTC triggered reset occurred */
> -bool dce120_timing_generator_did_triggered_reset_occur(
> +static bool dce120_timing_generator_did_triggered_reset_occur(
>         struct timing_generator *tg)
>  {
>         struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg);
> @@ -384,7 +384,7 @@ bool dce120_timing_generator_did_triggered_reset_occur(
>
>  /******** Stuff to move to other virtual HW objects *****************/
>  /* Move to enable accelerated mode */
> -void dce120_timing_generator_disable_vga(struct timing_generator *tg)
> +static void dce120_timing_generator_disable_vga(struct timing_generator *tg)
>  {
>         uint32_t offset = 0;
>         uint32_t value = 0;
> @@ -425,7 +425,7 @@ void dce120_timing_generator_disable_vga(struct timing_generator *tg)
>  }
>  /* TODO: Should we move it to transform */
>  /* Fully program CRTC timing in timing generator */
> -void dce120_timing_generator_program_blanking(
> +static void dce120_timing_generator_program_blanking(
>         struct timing_generator *tg,
>         const struct dc_crtc_timing *timing)
>  {
> @@ -485,7 +485,7 @@ void dce120_timing_generator_program_blanking(
>
>  /* TODO: Should we move it to opp? */
>  /* Combine with below and move YUV/RGB color conversion to SW layer */
> -void dce120_timing_generator_program_blank_color(
> +static void dce120_timing_generator_program_blank_color(
>         struct timing_generator *tg,
>         const struct tg_color *black_color)
>  {
> @@ -498,7 +498,7 @@ void dce120_timing_generator_program_blank_color(
>                 CRTC_BLACK_COLOR_R_CR, black_color->color_r_cr);
>  }
>  /* Combine with above and move YUV/RGB color conversion to SW layer */
> -void dce120_timing_generator_set_overscan_color_black(
> +static void dce120_timing_generator_set_overscan_color_black(
>         struct timing_generator *tg,
>         const struct tg_color *color)
>  {
> @@ -540,7 +540,7 @@ void dce120_timing_generator_set_overscan_color_black(
>          */
>  }
>
> -void dce120_timing_generator_set_drr(
> +static void dce120_timing_generator_set_drr(
>         struct timing_generator *tg,
>         const struct drr_params *params)
>  {
> @@ -599,7 +599,7 @@ void dce120_timing_generator_set_drr(
>   *  @param [out] position
>   *****************************************************************************
>   */
> -void dce120_timing_generator_get_position(struct timing_generator *tg,
> +static void dce120_timing_generator_get_position(struct timing_generator *tg,
>         struct crtc_position *position)
>  {
>         uint32_t value;
> @@ -632,7 +632,7 @@ void dce120_timing_generator_get_position(struct timing_generator *tg,
>  }
>
>
> -void dce120_timing_generator_get_crtc_scanoutpos(
> +static void dce120_timing_generator_get_crtc_scanoutpos(
>         struct timing_generator *tg,
>         uint32_t *v_blank_start,
>         uint32_t *v_blank_end,
> @@ -661,7 +661,7 @@ void dce120_timing_generator_get_crtc_scanoutpos(
>         *v_position = position.vertical_count;
>  }
>
> -void dce120_timing_generator_enable_advanced_request(
> +static void dce120_timing_generator_enable_advanced_request(
>         struct timing_generator *tg,
>         bool enable,
>         const struct dc_crtc_timing *timing)
> @@ -699,7 +699,7 @@ void dce120_timing_generator_enable_advanced_request(
>                         value);
>  }
>
> -void dce120_tg_program_blank_color(struct timing_generator *tg,
> +static void dce120_tg_program_blank_color(struct timing_generator *tg,
>         const struct tg_color *black_color)
>  {
>         struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg);
> @@ -722,7 +722,7 @@ void dce120_tg_program_blank_color(struct timing_generator *tg,
>                 value);
>  }
>
> -void dce120_tg_set_overscan_color(struct timing_generator *tg,
> +static void dce120_tg_set_overscan_color(struct timing_generator *tg,
>         const struct tg_color *overscan_color)
>  {
>         struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg);
> @@ -749,7 +749,7 @@ static void dce120_tg_program_timing(struct timing_generator *tg,
>                 dce120_timing_generator_program_blanking(tg, timing);
>  }
>
> -bool dce120_tg_is_blanked(struct timing_generator *tg)
> +static bool dce120_tg_is_blanked(struct timing_generator *tg)
>  {
>         struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg);
>         uint32_t value = dm_read_reg_soc15(
> @@ -770,7 +770,7 @@ bool dce120_tg_is_blanked(struct timing_generator *tg)
>         return false;
>  }
>
> -void dce120_tg_set_blank(struct timing_generator *tg,
> +static void dce120_tg_set_blank(struct timing_generator *tg,
>                 bool enable_blanking)
>  {
>         struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg);
> @@ -789,7 +789,7 @@ void dce120_tg_set_blank(struct timing_generator *tg,
>  bool dce120_tg_validate_timing(struct timing_generator *tg,
>         const struct dc_crtc_timing *timing);
>
> -void dce120_tg_wait_for_state(struct timing_generator *tg,
> +static void dce120_tg_wait_for_state(struct timing_generator *tg,
>         enum crtc_state state)
>  {
>         switch (state) {
> @@ -806,7 +806,7 @@ void dce120_tg_wait_for_state(struct timing_generator *tg,
>         }
>  }
>
> -void dce120_tg_set_colors(struct timing_generator *tg,
> +static void dce120_tg_set_colors(struct timing_generator *tg,
>         const struct tg_color *blank_color,
>         const struct tg_color *overscan_color)
>  {
> @@ -833,7 +833,7 @@ static void dce120_timing_generator_set_static_screen_control(
>                         CRTC_STATIC_SCREEN_FRAME_COUNT, num_frames);
>  }
>
> -void dce120_timing_generator_set_test_pattern(
> +static void dce120_timing_generator_set_test_pattern(
>         struct timing_generator *tg,
>         /* TODO: replace 'controller_dp_test_pattern' by 'test_pattern_mode'
>          * because this is not DP-specific (which is probably somewhere in DP
> --
> 2.25.1
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@...ts.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel

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