drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.h

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.h
Extension
.h
Size
1433 bytes
Lines
50
Domain
Driver Families
Bucket
drivers/gpu
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

struct komeda_fb {
	/** @base: &drm_framebuffer */
	struct drm_framebuffer base;
	/**
	 * @format_caps:
	 * extends drm_format_info for komeda specific information
	 */
	const struct komeda_format_caps *format_caps;
	/** @is_va: if smmu is enabled, it will be true */
	bool is_va;
	/** @aligned_w: aligned frame buffer width */
	u32 aligned_w;
	/** @aligned_h: aligned frame buffer height */
	u32 aligned_h;
	/** @afbc_size: minimum size of afbc */
	u32 afbc_size;
	/** @offset_payload: start of afbc body buffer */
	u32 offset_payload;
};

#define to_kfb(dfb)	container_of(dfb, struct komeda_fb, base)

struct drm_framebuffer *
komeda_fb_create(struct drm_device *dev, struct drm_file *file,
		const struct drm_format_info *info,
		const struct drm_mode_fb_cmd2 *mode_cmd);
int komeda_fb_check_src_coords(const struct komeda_fb *kfb,
			       u32 src_x, u32 src_y, u32 src_w, u32 src_h);
dma_addr_t
komeda_fb_get_pixel_addr(struct komeda_fb *kfb, int x, int y, int plane);
bool komeda_fb_is_layer_supported(struct komeda_fb *kfb, u32 layer_type,
		u32 rot);

#endif

Annotation

Implementation Notes