diff options
Diffstat (limited to 'include/media/tpg/v4l2-tpg.h')
| -rw-r--r-- | include/media/tpg/v4l2-tpg.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/media/tpg/v4l2-tpg.h b/include/media/tpg/v4l2-tpg.h index 181dcbe777f3..a55088921d1d 100644 --- a/include/media/tpg/v4l2-tpg.h +++ b/include/media/tpg/v4l2-tpg.h @@ -210,6 +210,7 @@ struct tpg_data { bool show_square; bool insert_sav; bool insert_eav; + bool insert_hdmi_video_guard_band; /* Test pattern movement */ enum tpg_move_mode mv_hor_mode; @@ -591,6 +592,21 @@ static inline void tpg_s_insert_eav(struct tpg_data *tpg, bool insert_eav) tpg->insert_eav = insert_eav; } +/* + * This inserts 4 pixels of the RGB color 0xab55ab at the left hand side of the + * image. This is only done for 3 or 4 byte RGB pixel formats. This pixel value + * equals the Video Guard Band value as defined by HDMI (see section 5.2.2.1 + * in the HDMI 1.3 Specification) that preceeds the first actual pixel. If the + * HDMI receiver doesn't handle this correctly, then it might keep skipping + * these Video Guard Band patterns and end up with a shorter video line. So this + * is a nice pattern to test with. + */ +static inline void tpg_s_insert_hdmi_video_guard_band(struct tpg_data *tpg, + bool insert_hdmi_video_guard_band) +{ + tpg->insert_hdmi_video_guard_band = insert_hdmi_video_guard_band; +} + void tpg_update_mv_step(struct tpg_data *tpg); static inline void tpg_s_mv_hor_mode(struct tpg_data *tpg, |