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drm: Replace drm_format_plane_cpp() with fb->format->cpp[]

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Replace drm_format_plane_cpp(fb->pixel_format) with just
fb->format->cpp[]. Avoids the expensive format info lookup.

@@
struct drm_framebuffer *a;
struct drm_framebuffer b;
expression E;
@@
(
- drm_format_plane_cpp(a->pixel_format, E)
+ a->format->cpp[E]
|
- drm_format_plane_cpp(b.pixel_format, E)
+ b.format->cpp[E]
)

@@
struct drm_plane_state *a;
struct drm_plane_state b;
expression E;
@@
(
- drm_format_plane_cpp(a->fb->pixel_format, E)
+ a->fb->format->cpp[E]
|
- drm_format_plane_cpp(b.fb->pixel_format, E)
+ b.fb->format->cpp[E]
)

@@
struct drm_framebuffer *a;
identifier T;
expression E;
@@
  T = a->pixel_format
<+...
- drm_format_plane_cpp(T, E)
+ a->format->cpp[E]
...+>

@@
struct drm_framebuffer b;
identifier T;
expression E;
@@
  T = b.pixel_format
<+...
- drm_format_plane_cpp(T, E)
+ b.format->cpp[E]
...+>

v2: Rerun spatch due to code changes

Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Suggested-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1481751057-18123-1-git-send-email-ville.syrjala@linux.intel.com
This commit is contained in:
Ville Syrjälä
2016-12-14 23:30:57 +02:00
parent 8305494e1e
commit 353c859899
15 changed files with 45 additions and 46 deletions
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2
drivers/gpu/drm/vc4/vc4_plane.c
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@@ -369,7 +369,7 @@ static int vc4_plane_setup_clipping_and_scaling(struct drm_plane_state *state)
*/
if (vc4_state->crtc_x < 0) {
for (i = 0; i < num_planes; i++) {
u32 cpp = drm_format_plane_cpp(fb->pixel_format, i);
u32 cpp = fb->format->cpp[i];
u32 subs = ((i == 0) ? 1 : h_subsample);
vc4_state->offsets[i] += (cpp *