drm: zte: make zx_plane accessible from zx_vou driver

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Move struct zx_plane from zx_plane.c to zx_plane.h, so that it can be
accessed from zx_vou driver, and we can save the use of struct
zx_layer_data completely.  More importantly, those additional data used
by VOU controller to enable/disable graphic and video layers can later
be added and accessed much more easily from zx_vou driver.

While at it, we make two changes to zx_plane_init() interface:

 - Encode struct device pointer in zx_plane, so that we do not need to
   pass it as a parameter.
 - Change return of zx_plane_init() from struct drm_plane pointer to
   error code, since we can get the pointer from zx_plane in zx_vou
   driver now.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Reviewed-by: Sean Paul <seanpaul@chromium.org>

...

This commit is contained in:

Shawn Guo 2016-12-28 14:41:37 +08:00

parent 83d7115250

commit 98ae9869d1

3 changed files with 33 additions and 45 deletions

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36

drivers/gpu/drm/zte/zx_plane.c

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11

drivers/gpu/drm/zte/zx_plane.h

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31

drivers/gpu/drm/zte/zx_vou.c

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