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5 Commits

Author SHA1 Message Date
Harsha Sharma
b7fa1bdb10 drm/tinydrm: Replace list_for_each with list_for_each_entry 
Replace use of list_for_each with list_for_each_entry to simplify the
code and remove variables that are used only in list_for_each.
Done with following coccinelle patch:

@r@
identifier fn,i,f,p;
expression e;
iterator name list_for_each, list_for_each_entry;
type T;
@@

fn(...) {
++ T *i;
  <+...
- list_for_each(p,e)
+ list_for_each_entry(i,e,f)
  {
              ...
-   T *i = list_entry(p,T,f);
                  ...
   }
   ...+>
}

@@
identifier r.fn,r.p;
@@

fn(...) {
  ...
- struct list_head *p;
  ... when != p
}

@@
identifier r.fn,r.i,r.f;
expression r.e;
statement S;
@@

fn(...) {
  <...
  list_for_each_entry(i,e,f)
- {
  S
- }
  ...>
}

@s@
identifier i,f,p;
expression e;
type T;
@@

- list_for_each(p,e)
+ list_for_each_entry(i,e,f)
  {
    ... when != T *i;
-   i = list_entry(p,T,f);
    ...
  }

@@
identifier s.p;
@@

- struct list_head *p;
  ... when != p

@@
identifier s.i,s.f;
expression s.e;
statement S;
@@

  list_for_each_entry(i,e,f)
- {
  S
- }

Signed-off-by: Harsha Sharma <harshasharmaiitr@gmail.com>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20171014202823.29230-1-harshasharmaiitr@gmail.com
 2017-10-21 16:28:41 +02:00
David Lechner
8941a7cbcc drm/tinydrm: Generalize tinydrm_xrgb8888_to_gray8() 
This adds parameters for vaddr and clip to tinydrm_xrgb8888_to_gray8() to
make it more generic.

dma_buf_{begin,end}_cpu_access() are moved out to the repaper driver.

Return type is change to void to simplify error handling by callers.

Signed-off-by: David Lechner <david@lechnology.com>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Link: https://patchwork.freedesktop.org/patch/msgid/1502127581-10517-2-git-send-email-david@lechnology.com
 2017-08-09 17:55:50 +02:00
Noralf Trønnes
379ea9a1a5 drm/tinydrm: Add tinydrm_xrgb8888_to_gray8() helper 
Drm has no monochrome or greyscale support so add a conversion
from the common format XR24.

Also reorder includes into the common order.

Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Link: http://patchwork.freedesktop.org/patch/msgid/1496934875-51984-4-git-send-email-noralf@tronnes.org
 2017-07-14 19:29:59 +02:00
kbuild test robot
8c47c0860b drm/tinydrm: fix semicolon.cocci warnings 
drivers/gpu/drm/tinydrm/core/tinydrm-helpers.c:454:2-3: Unneeded semicolon

 Remove unneeded semicolon.

Generated by: scripts/coccinelle/misc/semicolon.cocci

Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20170223164647.GA2519@lkp-ws02
 2017-02-26 22:55:41 +01:00
Noralf Trønnes
9f69eb5c36 drm/tinydrm: Add helper functions 
Add common functionality needed by many tinydrm drivers.

Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Thierry Reding <treding@nvidia.com>
 2017-02-18 18:04:59 +01:00