On Fri,  9 Dec 2016 19:57:32 +0000
Daniel Stone <dani...@collabora.com> wrote:

> From: Tomohito Esaki <e...@igel.co.jp>
> 
> The drm_fb destroy callback to mostly the same thing regardless of
> whether the buffer is a dumb buffer or gbm buffer. This patch refactors
> the common parts into a new function that can be called for both cases.
> 
> [daniels: Rebased on top of fb->fd changes, cosmetic changes.]
> 
> Differential Revision: https://phabricator.freedesktop.org/D1489
> 
> Signed-off-by: Tomohito Esaki <e...@igel.co.jp>
> Signed-off-by: Daniel Stone <dani...@collabora.com>
> ---
>  libweston/compositor-drm.c | 61 
> +++++++++++++++++++++++-----------------------
>  1 file changed, 30 insertions(+), 31 deletions(-)
> 
> diff --git a/libweston/compositor-drm.c b/libweston/compositor-drm.c
> index af43a15..7dbfc6b 100644
> --- a/libweston/compositor-drm.c
> +++ b/libweston/compositor-drm.c
> @@ -251,16 +251,39 @@ drm_sprite_crtc_supported(struct drm_output *output, 
> struct drm_sprite *sprite)
>  }
>  
>  static void
> -drm_fb_destroy_callback(struct gbm_bo *bo, void *data)
> +drm_fb_destroy(struct drm_fb *fb)
>  {
> -     struct drm_fb *fb = data;
> +     drmModeRmFB(fb->fd, fb->fb_id);

fb_id cannot be zero, even thought earlier there was a check. Ok.

> +     weston_buffer_reference(&fb->buffer_ref, NULL);
> +     free(fb);
> +}
> +
> +static void
> +drm_fb_destroy_dumb(struct drm_fb *fb)
> +{
> +     struct drm_mode_destroy_dumb destroy_arg;
>  
> -     if (fb->fb_id)
> -             drmModeRmFB(fb->fd, fb->fb_id);
> +     if (!fb)
> +             return;

Silent acceptance of NULL argument, really?

>  
> -     weston_buffer_reference(&fb->buffer_ref, NULL);
> +     assert(fb->type == BUFFER_PIXMAN_DUMB);
> +

fb->map cannot be NULL, even thought earlier there was a check. Ok.

> +     munmap(fb->map, fb->size);
> +
> +     memset(&destroy_arg, 0, sizeof(destroy_arg));
> +     destroy_arg.handle = fb->handle;
> +     drmIoctl(fb->fd, DRM_IOCTL_MODE_DESTROY_DUMB, &destroy_arg);
> +
> +     drm_fb_destroy(fb);
> +}

With that one nit of silent acceptance fixed:
Reviewed-by: Pekka Paalanen <pekka.paala...@collabora.co.uk>


Thanks,
pq

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