Unverified Commit 3d4265f8 authored by Paul Kocialkowski's avatar Paul Kocialkowski Committed by Maxime Ripard
Browse files

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



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: default avatarPaul Kocialkowski <paul.kocialkowski@bootlin.com>
Signed-off-by: default avatarMaxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181123092515.2511-5-paul.kocialkowski@bootlin.com
parent ad25d073

drivers/gpu/drm/sun4i/sun4i_backend.c

+27 −0
Original line number Diff line number Diff line
@@ -155,6 +155,33 @@ static int sun4i_backend_drm_format_to_layer(u32 format, u32 *mode) 
	return 0;

}



static const uint32_t sun4i_backend_formats[] = {

	DRM_FORMAT_ARGB1555,

	DRM_FORMAT_ARGB4444,

	DRM_FORMAT_ARGB8888,

	DRM_FORMAT_BGRX8888,

	DRM_FORMAT_RGB565,

	DRM_FORMAT_RGB888,

	DRM_FORMAT_RGBA4444,

	DRM_FORMAT_RGBA5551,

	DRM_FORMAT_UYVY,

	DRM_FORMAT_VYUY,

	DRM_FORMAT_XRGB8888,

	DRM_FORMAT_YUYV,

	DRM_FORMAT_YVYU,

};



bool sun4i_backend_format_is_supported(uint32_t fmt)

{

	unsigned int i;



	for (i = 0; i < ARRAY_SIZE(sun4i_backend_formats); i++)

		if (sun4i_backend_formats[i] == fmt)

			return true;



	return false;

}



int sun4i_backend_update_layer_coord(struct sun4i_backend *backend,

				     int layer, struct drm_plane *plane)

{

drivers/gpu/drm/sun4i/sun4i_backend.h

+1 −0
Original line number Diff line number Diff line
@@ -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,

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