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Message-ID: <de406c53-023d-f477-17f2-7d6dabf838bd@linaro.org>
Date: Mon, 31 Jul 2023 07:15:42 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Jessica Zhang <quic_jesszhan@...cinc.com>,
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>, Sean Paul <sean@...rly.run>,
Marijn Suijten <marijn.suijten@...ainline.org>
Cc: quic_abhinavk@...cinc.com, ppaalanen@...il.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 v5 09/10] drm/msm/dpu: Use DRM solid_fill property
On 28/07/2023 20:02, Jessica Zhang wrote:
> Drop DPU_PLANE_COLOR_FILL_FLAG and check the DRM solid_fill property to
> determine if the plane is solid fill. In addition drop the DPU plane
> color_fill field as we can now use drm_plane_state.solid_fill instead,
> and pass in drm_plane_state.alpha to _dpu_plane_color_fill_pipe() to
> allow userspace to configure the alpha value for the solid fill color.
>
> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
> Signed-off-by: Jessica Zhang <quic_jesszhan@...cinc.com>
> ---
> drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c | 24 ++++++++++++++++++------
> 1 file changed, 18 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
> index 114c803ff99b..95fc0394d13e 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
> @@ -42,7 +42,6 @@
> #define SHARP_SMOOTH_THR_DEFAULT 8
> #define SHARP_NOISE_THR_DEFAULT 2
>
> -#define DPU_PLANE_COLOR_FILL_FLAG BIT(31)
> #define DPU_ZPOS_MAX 255
>
> /*
> @@ -82,7 +81,6 @@ struct dpu_plane {
>
> enum dpu_sspp pipe;
>
> - uint32_t color_fill;
> bool is_error;
> bool is_rt_pipe;
> const struct dpu_mdss_cfg *catalog;
> @@ -606,6 +604,20 @@ static void _dpu_plane_color_fill_pipe(struct dpu_plane_state *pstate,
> _dpu_plane_setup_scaler(pipe, fmt, true, &pipe_cfg, pstate->rotation);
> }
>
> +static uint32_t _dpu_plane_get_bgr_fill_color(struct drm_solid_fill solid_fill)
As I commented for v4 (please excuse me for not responding to your email
at thattime), we can return abgr here, taking plane->state->alpha into
account.
> +{
> + uint32_t ret = 0;
> + uint8_t b = solid_fill.b >> 24;
> + uint8_t g = solid_fill.g >> 24;
> + uint8_t r = solid_fill.r >> 24;
> +
> + ret |= b << 16;
> + ret |= g << 8;
> + ret |= r;
> +
> + return ret;
> +}
> +
> /**
> * _dpu_plane_color_fill - enables color fill on plane
> * @pdpu: Pointer to DPU plane object
> @@ -977,9 +989,9 @@ void dpu_plane_flush(struct drm_plane *plane)
> if (pdpu->is_error)
> /* force white frame with 100% alpha pipe output on error */
> _dpu_plane_color_fill(pdpu, 0xFFFFFF, 0xFF);
> - else if (pdpu->color_fill & DPU_PLANE_COLOR_FILL_FLAG)
> - /* force 100% alpha */
> - _dpu_plane_color_fill(pdpu, pdpu->color_fill, 0xFF);
> + else if (drm_plane_solid_fill_enabled(plane->state))
> + _dpu_plane_color_fill(pdpu, _dpu_plane_get_bgr_fill_color(plane->state->solid_fill),
> + plane->state->alpha);
> else {
> dpu_plane_flush_csc(pdpu, &pstate->pipe);
> dpu_plane_flush_csc(pdpu, &pstate->r_pipe);
> @@ -1024,7 +1036,7 @@ static void dpu_plane_sspp_update_pipe(struct drm_plane *plane,
> }
>
> /* override for color fill */
> - if (pdpu->color_fill & DPU_PLANE_COLOR_FILL_FLAG) {
> + if (drm_plane_solid_fill_enabled(plane->state)) {
> _dpu_plane_set_qos_ctrl(plane, pipe, false);
>
> /* skip remaining processing on color fill */
>
--
With best wishes
Dmitry
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