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drm/sun4i: Add backend pointer to sun4i_layer

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sun4i_layer only controls the backend hardware block of the display
pipeline. Instead of getting a pointer to the underlying backend
through the drm_device structure, leave one in itself.

Also drop the drm_device pointer, since it is no longer needed.

The next step forward would be to pass the pointer in through
sun4i_layers_init as a parameter. This would make it easier to support
multiple display pipelines layer on.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
This commit is contained in:
Chen-Yu Tsai
2017-02-23 16:05:42 +08:00
committed by Maxime Ripard
parent b9c8506cb8
commit ace6c095ba
2 changed files with 4 additions and 5 deletions
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drivers/gpu/drm/sun4i/sun4i_layer.h
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@@ -16,6 +16,7 @@
struct sun4i_layer {
struct drm_plane plane;
struct sun4i_drv *drv;
struct sun4i_backend *backend;
int id;
};