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DRM: Add DRM KMS/FB CMA helper

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This patchset introduces a set of helper function for implementing the KMS
framebuffer layer for drivers which use the DRM GEM CMA helper function.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Tested-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
[Make DRM_KMS_CMA_HELPER a boolean Kconfig option]
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
This commit is contained in:
Lars-Peter Clausen
2012-07-02 16:37:47 +02:00
committed by Laurent Pinchart
parent b9d4745005
commit 2e3b3c42f0
4 changed files with 443 additions and 0 deletions
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include/drm/drm_fb_cma_helper.h
+27
View File
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#ifndef __DRM_FB_CMA_HELPER_H__
#define __DRM_FB_CMA_HELPER_H__
struct drm_fbdev_cma;
struct drm_gem_cma_object;
struct drm_framebuffer;
struct drm_device;
struct drm_file;
struct drm_mode_fb_cmd2;
struct drm_fbdev_cma *drm_fbdev_cma_init(struct drm_device *dev,
unsigned int preferred_bpp, unsigned int num_crtc,
unsigned int max_conn_count);
void drm_fbdev_cma_fini(struct drm_fbdev_cma *fbdev_cma);
void drm_fbdev_cma_restore_mode(struct drm_fbdev_cma *fbdev_cma);
void drm_fbdev_cma_hotplug_event(struct drm_fbdev_cma *fbdev_cma);
struct drm_framebuffer *drm_fb_cma_create(struct drm_device *dev,
struct drm_file *file_priv, struct drm_mode_fb_cmd2 *mode_cmd);
struct drm_gem_cma_object *drm_fb_cma_get_gem_obj(struct drm_framebuffer *fb,
unsigned int plane);
#endif