Re: [Intel-gfx] [PATCH v4 2/5] drm/i915: create a prepare phase for sprite plane updates

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2014-10-24 11:51 GMT-02:00 Gustavo Padovan <gustavo@xxxxxxxxxxx>:
> From: Gustavo Padovan <gustavo.padovan@xxxxxxxxxxxxxxx>
>
> take out pin_fb code so the commit phase can't fail anymore.
>

According to my bisection results, this is the first bad commit of
https://bugs.freedesktop.org/show_bug.cgi?id=85634.


> Signed-off-by: Gustavo Padovan <gustavo.padovan@xxxxxxxxxxxxxxx>
> Reviewed-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> ---
>  drivers/gpu/drm/i915/intel_sprite.c | 63 +++++++++++++++++++++++--------------
>  1 file changed, 40 insertions(+), 23 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
> index 2c060ad..3631b0e 100644
> --- a/drivers/gpu/drm/i915/intel_sprite.c
> +++ b/drivers/gpu/drm/i915/intel_sprite.c
> @@ -1192,34 +1192,18 @@ intel_check_sprite_plane(struct drm_plane *plane,
>  }
>
>  static int
> -intel_commit_sprite_plane(struct drm_plane *plane,
> -                         struct intel_plane_state *state)
> +intel_prepare_sprite_plane(struct drm_plane *plane,
> +                          struct intel_plane_state *state)
>  {
>         struct drm_device *dev = plane->dev;
>         struct drm_crtc *crtc = state->crtc;
>         struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
> -       struct intel_plane *intel_plane = to_intel_plane(plane);
>         enum pipe pipe = intel_crtc->pipe;
>         struct drm_framebuffer *fb = state->fb;
> -       struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb);
> -       struct drm_i915_gem_object *obj = intel_fb->obj;
> -       struct drm_i915_gem_object *old_obj = intel_plane->obj;
> -       int crtc_x, crtc_y;
> -       unsigned int crtc_w, crtc_h;
> -       uint32_t src_x, src_y, src_w, src_h;
> -       struct drm_rect *dst = &state->dst;
> -       const struct drm_rect *clip = &state->clip;
> -       bool primary_enabled;
> +       struct drm_i915_gem_object *obj = intel_fb_obj(fb);
> +       struct drm_i915_gem_object *old_obj = intel_fb_obj(plane->fb);
>         int ret;
>
> -       /*
> -        * If the sprite is completely covering the primary plane,
> -        * we can disable the primary and save power.
> -        */
> -       primary_enabled = !drm_rect_equals(dst, clip) || colorkey_enabled(intel_plane);
> -       WARN_ON(!primary_enabled && !state->visible && intel_crtc->active);
> -
> -
>         if (old_obj != obj) {
>                 mutex_lock(&dev->struct_mutex);
>
> @@ -1238,6 +1222,36 @@ intel_commit_sprite_plane(struct drm_plane *plane,
>                         return ret;
>         }
>
> +       return 0;
> +}
> +
> +static void
> +intel_commit_sprite_plane(struct drm_plane *plane,
> +                         struct intel_plane_state *state)
> +{
> +       struct drm_device *dev = plane->dev;
> +       struct drm_crtc *crtc = state->crtc;
> +       struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
> +       struct intel_plane *intel_plane = to_intel_plane(plane);
> +       enum pipe pipe = intel_crtc->pipe;
> +       struct drm_framebuffer *fb = state->fb;
> +       struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb);
> +       struct drm_i915_gem_object *obj = intel_fb->obj;
> +       struct drm_i915_gem_object *old_obj = intel_plane->obj;
> +       int crtc_x, crtc_y;
> +       unsigned int crtc_w, crtc_h;
> +       uint32_t src_x, src_y, src_w, src_h;
> +       struct drm_rect *dst = &state->dst;
> +       const struct drm_rect *clip = &state->clip;
> +       bool primary_enabled;
> +
> +       /*
> +        * If the sprite is completely covering the primary plane,
> +        * we can disable the primary and save power.
> +        */
> +       primary_enabled = !drm_rect_equals(dst, clip) || colorkey_enabled(intel_plane);
> +       WARN_ON(!primary_enabled && !state->visible && intel_crtc->active);
> +
>         intel_plane->crtc_x = state->orig_dst.x1;
>         intel_plane->crtc_y = state->orig_dst.y1;
>         intel_plane->crtc_w = drm_rect_width(&state->orig_dst);
> @@ -1298,8 +1312,6 @@ intel_commit_sprite_plane(struct drm_plane *plane,
>                 intel_unpin_fb_obj(old_obj);
>                 mutex_unlock(&dev->struct_mutex);
>         }
> -
> -       return 0;
>  }
>
>  static int
> @@ -1339,7 +1351,12 @@ intel_update_plane(struct drm_plane *plane, struct drm_crtc *crtc,
>         if (ret)
>                 return ret;
>
> -       return intel_commit_sprite_plane(plane, &state);
> +       ret = intel_prepare_sprite_plane(plane, &state);
> +       if (ret)
> +               return ret;
> +
> +       intel_commit_sprite_plane(plane, &state);
> +       return 0;
>  }
>
>  static int
> --
> 1.9.3
>
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-- 
Paulo Zanoni
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