[PATCH 4/4] drm/msm: Improved debugfs gem stats

[Doug Anderson]

Hi,

On Wed, Mar 31, 2021 at 3:14 PM Rob Clark <robdclark at gmail.com> wrote:
>
> From: Rob Clark <robdclark at chromium.org>
>
> The last patch lost the breakdown of active vs inactive GEM objects in
> $debugfs/gem.  But we can add some better stats to summarize not just
> active vs inactive, but also purgable/purged to make up for that.
>
> Signed-off-by: Rob Clark <robdclark at chromium.org>
> ---
>  drivers/gpu/drm/msm/msm_fb.c  |  3 ++-
>  drivers/gpu/drm/msm/msm_gem.c | 31 ++++++++++++++++++++++++-------
>  drivers/gpu/drm/msm/msm_gem.h | 11 ++++++++++-
>  3 files changed, 36 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/gpu/drm/msm/msm_fb.c b/drivers/gpu/drm/msm/msm_fb.c
> index d42f0665359a..887172a10c9a 100644
> --- a/drivers/gpu/drm/msm/msm_fb.c
> +++ b/drivers/gpu/drm/msm/msm_fb.c
> @@ -33,6 +33,7 @@ static const struct drm_framebuffer_funcs msm_framebuffer_funcs = {
>  #ifdef CONFIG_DEBUG_FS
>  void msm_framebuffer_describe(struct drm_framebuffer *fb, struct seq_file *m)
>  {
> +       struct msm_gem_stats stats = {{0}};

nit: instead of "{{0}}", can't you just do:

struct msm_gem_stats stats = {};

...both here and for the other usage.

Other than that this seems good to me.

Reviewed-by: Douglas Anderson <dianders at chromium.org>