Commit b8d913c0 authored by Mahesh Kumar's avatar Mahesh Kumar Committed by Maarten Lankhorst
Browse files

drm/rockchip/crc: Implement verify_crc_source callback 



This patch implements "verify_crc_source" callback function for
rockchip drm driver.

Changes since V1:
 - simplify the verification (Jani N)

Signed-off-by: default avatarMahesh Kumar <mahesh1.kumar@intel.com>
Cc: dri-devel@lists.freedesktop.org
Reviewed-by: default avatarMaarten Lankhorst <maarten.lankhorst@linux.intel.com>
Acked-by: default avatarHeiko Stuebner <heiko@sntech.de>
Signed-off-by: default avatarMaarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180713135942.25061-4-mahesh1.kumar@intel.com
parent 4396551e

drivers/gpu/drm/rockchip/rockchip_drm_vop.c

+20 −0
Original line number Diff line number Diff line
@@ -1132,12 +1132,31 @@ static int vop_crtc_set_crc_source(struct drm_crtc *crtc, 


	return ret;

}



static int

vop_crtc_verify_crc_source(struct drm_crtc *crtc, const char *source_name,

			   size_t *values_cnt)

{

	if (source_name && strcmp(source_name, "auto") != 0)

		return -EINVAL;



	*values_cnt = 3;

	return 0;

}



#else

static int vop_crtc_set_crc_source(struct drm_crtc *crtc,

				   const char *source_name, size_t *values_cnt)

{

	return -ENODEV;

}



static int

vop_crtc_verify_crc_source(struct drm_crtc *crtc, const char *source_name,

			   size_t *values_cnt)

{

	return -ENODEV;

}

#endif



static const struct drm_crtc_funcs vop_crtc_funcs = {
@@ -1150,6 +1169,7 @@ static const struct drm_crtc_funcs vop_crtc_funcs = { 
	.enable_vblank = vop_crtc_enable_vblank,

	.disable_vblank = vop_crtc_disable_vblank,

	.set_crc_source = vop_crtc_set_crc_source,

	.verify_crc_source = vop_crtc_verify_crc_source,

};



static void vop_fb_unref_worker(struct drm_flip_work *work, void *val)