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| author | Mahesh Kumar <mahesh1.kumar@intel.com> | 2018-07-13 19:29:35 +0530 |
|---|---|---|
| committer | Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 2018-08-13 14:00:20 +0200 |
| commit | b8d913c0ee00833f9011d2d8381510cb682dfa6e (patch) | |
| tree | 97a65affcadba61871ada494a4af3f1b178d9eb8 /drivers/gpu/drm/rockchip/rockchip_drm_vop.c | |
| parent | 4396551e9cf3e7233d45a2ce92f73e085bcad4b2 (diff) | |
| download | lwn-b8d913c0ee00833f9011d2d8381510cb682dfa6e.tar.gz lwn-b8d913c0ee00833f9011d2d8381510cb682dfa6e.zip | |
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 <mahesh1.kumar@intel.com>
Cc: dri-devel@lists.freedesktop.org
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Acked-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180713135942.25061-4-mahesh1.kumar@intel.com
Diffstat (limited to 'drivers/gpu/drm/rockchip/rockchip_drm_vop.c')
| -rw-r--r-- | drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 20 |
1 files changed, 20 insertions, 0 deletions
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) |