From: Mahesh Kumar Date: Fri, 13 Jul 2018 13:59:35 +0000 (+0530) Subject: drm/rockchip/crc: Implement verify_crc_source callback X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=b8d913c0ee00833f9011d2d8381510cb682dfa6e;p=openwrt%2Fstaging%2Fblogic.git 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: Mahesh Kumar Cc: dri-devel@lists.freedesktop.org Reviewed-by: Maarten Lankhorst Acked-by: Heiko Stuebner Signed-off-by: Maarten Lankhorst Link: https://patchwork.freedesktop.org/patch/msgid/20180713135942.25061-4-mahesh1.kumar@intel.com --- diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c index 1359e5c773e4..c9a5ea38e86b 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c @@ -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)