Commit 141670e9 authored by Ville Syrjälä's avatar Ville Syrjälä Committed by Dave Airlie
Browse files

drm: Move drm_format_num_planes() to drm_crtc.c



There will be a need for this function in drm_crtc.c later. This
avoids making drm_crtc.c depend on drm_crtc_helper.c.
Signed-off-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent ae85226e
......@@ -3466,3 +3466,35 @@ void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth,
}
}
EXPORT_SYMBOL(drm_fb_get_bpp_depth);
/**
* drm_format_num_planes - get the number of planes for format
* @format: pixel format (DRM_FORMAT_*)
*
* RETURNS:
* The number of planes used by the specified pixel format.
*/
int drm_format_num_planes(uint32_t format)
{
switch (format) {
case DRM_FORMAT_YUV410:
case DRM_FORMAT_YVU410:
case DRM_FORMAT_YUV411:
case DRM_FORMAT_YVU411:
case DRM_FORMAT_YUV420:
case DRM_FORMAT_YVU420:
case DRM_FORMAT_YUV422:
case DRM_FORMAT_YVU422:
case DRM_FORMAT_YUV444:
case DRM_FORMAT_YVU444:
return 3;
case DRM_FORMAT_NV12:
case DRM_FORMAT_NV21:
case DRM_FORMAT_NV16:
case DRM_FORMAT_NV61:
return 2;
default:
return 1;
}
}
EXPORT_SYMBOL(drm_format_num_planes);
......@@ -1023,36 +1023,3 @@ void drm_helper_hpd_irq_event(struct drm_device *dev)
queue_delayed_work(system_nrt_wq, &dev->mode_config.output_poll_work, 0);
}
EXPORT_SYMBOL(drm_helper_hpd_irq_event);
/**
* drm_format_num_planes - get the number of planes for format
* @format: pixel format (DRM_FORMAT_*)
*
* RETURNS:
* The number of planes used by the specified pixel format.
*/
int drm_format_num_planes(uint32_t format)
{
switch (format) {
case DRM_FORMAT_YUV410:
case DRM_FORMAT_YVU410:
case DRM_FORMAT_YUV411:
case DRM_FORMAT_YVU411:
case DRM_FORMAT_YUV420:
case DRM_FORMAT_YVU420:
case DRM_FORMAT_YUV422:
case DRM_FORMAT_YVU422:
case DRM_FORMAT_YUV444:
case DRM_FORMAT_YVU444:
return 3;
case DRM_FORMAT_NV12:
case DRM_FORMAT_NV21:
case DRM_FORMAT_NV16:
case DRM_FORMAT_NV61:
return 2;
default:
return 1;
}
}
EXPORT_SYMBOL(drm_format_num_planes);
......@@ -1026,4 +1026,6 @@ extern int drm_mode_destroy_dumb_ioctl(struct drm_device *dev,
extern void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth,
int *bpp);
extern int drm_format_num_planes(uint32_t format);
#endif /* __DRM_CRTC_H__ */
......@@ -145,6 +145,4 @@ extern void drm_helper_hpd_irq_event(struct drm_device *dev);
extern void drm_kms_helper_poll_disable(struct drm_device *dev);
extern void drm_kms_helper_poll_enable(struct drm_device *dev);
extern int drm_format_num_planes(uint32_t format);
#endif
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