linux-kernel - Re: [PATCH RFC v6 05/10] drm/atomic: Add solid fill data to plane state dump

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Message-ID: <20230829111424.3f187b88@eldfell>
Date:   Tue, 29 Aug 2023 11:14:24 +0300
From:   Pekka Paalanen <ppaalanen@...il.com>
To:     Jessica Zhang <quic_jesszhan@...cinc.com>
Cc:     Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Rob Clark <robdclark@...il.com>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        "Sean Paul" <sean@...rly.run>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        <quic_abhinavk@...cinc.com>, <contact@...rsion.fr>,
        <laurent.pinchart@...asonboard.com>, <sebastian.wick@...hat.com>,
        <ville.syrjala@...ux.intel.com>, <dri-devel@...ts.freedesktop.org>,
        <linux-kernel@...r.kernel.org>, <linux-arm-msm@...r.kernel.org>,
        <freedreno@...ts.freedesktop.org>,
        <wayland-devel@...ts.freedesktop.org>
Subject: Re: [PATCH RFC v6 05/10] drm/atomic: Add solid fill data to plane
 state dump

On Mon, 28 Aug 2023 17:05:11 -0700
Jessica Zhang <quic_jesszhan@...cinc.com> wrote:

> Add solid_fill property data to the atomic plane state dump.
> 
> Signed-off-by: Jessica Zhang <quic_jesszhan@...cinc.com>
> ---
>  drivers/gpu/drm/drm_atomic.c | 4 ++++
>  drivers/gpu/drm/drm_plane.c  | 8 ++++++++
>  include/drm/drm_plane.h      | 3 +++
>  3 files changed, 15 insertions(+)
> 
> diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
> index bcecb64ccfad..3cb599b3304a 100644
> --- a/drivers/gpu/drm/drm_atomic.c
> +++ b/drivers/gpu/drm/drm_atomic.c
> @@ -717,6 +717,10 @@ static void drm_atomic_plane_print_state(struct drm_printer *p,
>  	drm_printf(p, "\tfb=%u\n", state->fb ? state->fb->base.id : 0);
>  	if (state->fb)
>  		drm_framebuffer_print_info(p, 2, state->fb);
> +	drm_printf(p, "\tsolid_fill=%u\n",
> +			state->solid_fill_blob ? state->solid_fill_blob->base.id : 0);
> +	if (state->solid_fill_blob)
> +		drm_plane_solid_fill_print_info(p, 2, state);
>  	drm_printf(p, "\tcrtc-pos=" DRM_RECT_FMT "\n", DRM_RECT_ARG(&dest));
>  	drm_printf(p, "\tsrc-pos=" DRM_RECT_FP_FMT "\n", DRM_RECT_FP_ARG(&src));
>  	drm_printf(p, "\trotation=%x\n", state->rotation);
> diff --git a/drivers/gpu/drm/drm_plane.c b/drivers/gpu/drm/drm_plane.c
> index 559d101162ba..6244b622a21a 100644
> --- a/drivers/gpu/drm/drm_plane.c
> +++ b/drivers/gpu/drm/drm_plane.c
> @@ -1495,6 +1495,14 @@ __drm_plane_get_damage_clips(const struct drm_plane_state *state)
>  					state->fb_damage_clips->data : NULL);
>  }
>  
> +void drm_plane_solid_fill_print_info(struct drm_printer *p, unsigned int indent,
> +				     const struct drm_plane_state *state)
> +{
> +	drm_printf_indent(p, indent, "r=0x%x\n", state->solid_fill.r);
> +	drm_printf_indent(p, indent, "g=0x%x\n", state->solid_fill.g);
> +	drm_printf_indent(p, indent, "b=0x%x\n", state->solid_fill.b);

I'd recommend %08x format, so that leading zeroes are explicit. That
makes it easier to see the difference between e.g. 0xffffffff and
0x0fffffff.


Thanks,
pq

> +}
> +
>  /**
>   * drm_plane_get_damage_clips - Returns damage clips.
>   * @state: Plane state.
> diff --git a/include/drm/drm_plane.h b/include/drm/drm_plane.h
> index 49995c4be2ab..a58f84b6bd5e 100644
> --- a/include/drm/drm_plane.h
> +++ b/include/drm/drm_plane.h
> @@ -1001,6 +1001,9 @@ drm_plane_get_damage_clips_count(const struct drm_plane_state *state);
>  struct drm_mode_rect *
>  drm_plane_get_damage_clips(const struct drm_plane_state *state);
>  
> +void drm_plane_solid_fill_print_info(struct drm_printer *p, unsigned int indent,
> +				     const struct drm_plane_state *state);
> +
>  int drm_plane_create_scaling_filter_property(struct drm_plane *plane,
>  					     unsigned int supported_filters);
>  
> 


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