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drm/sun4i: backend: Add a helper and a list for supported formats

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In order to check whether the backend supports a specific format, an
explicit list and a related helper are introduced.

The prototype of this helper is added to the header so that it can be
called from sun4i_layer later (when introducing tiled mode support).

Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181123092515.2511-5-paul.kocialkowski@bootlin.com
This commit is contained in:
Paul Kocialkowski
2018-11-23 10:24:36 +01:00
committed by Maxime Ripard
parent ad25d0736d
commit 3d4265f89d
2 changed files with 28 additions and 0 deletions
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drivers/gpu/drm/sun4i/sun4i_backend.h
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@@ -198,6 +198,7 @@ engine_to_sun4i_backend(struct sunxi_engine *engine)
void sun4i_backend_layer_enable(struct sun4i_backend *backend,
int layer, bool enable);
bool sun4i_backend_format_is_supported(uint32_t fmt);
int sun4i_backend_update_layer_coord(struct sun4i_backend *backend,
int layer, struct drm_plane *plane);
int sun4i_backend_update_layer_formats(struct sun4i_backend *backend,