add VIDEO_MESON_HDMI_FAIL_SAVE_FULL_HD configuration option
ABOUT:
Force setup FullHD display mode, if proper timing cant readed. from display! Its happens for some 4K display, which send unsupported high timings, but same time can works as FullHD! Also its will be useful for suspended or disconnected displays.
NOTE: this option disabled by default
Signed-off-by: Artem Lapkin art@khadas.com --- drivers/video/meson/Kconfig | 10 ++++++++++ drivers/video/meson/meson_vpu.c | 19 +++++++++++++++++-- 2 files changed, 27 insertions(+), 2 deletions(-)
diff --git a/drivers/video/meson/Kconfig b/drivers/video/meson/Kconfig index 0c9ddeb8..55d67700 100644 --- a/drivers/video/meson/Kconfig +++ b/drivers/video/meson/Kconfig @@ -10,3 +10,13 @@ config VIDEO_MESON select DISPLAY help Enable Amlogic Meson Video Processing Unit video support. + +config VIDEO_MESON_HDMI_FAIL_SAVE_FULL_HD + bool "Enable HDMI fail-save FullHD mode" + depends on VIDEO_MESON + default n + help + Force setup FullHD display mode, if proper timing cant readed. + from display! Its happens for some 4K display, which send + unsupported high timings, but same time can works as FullHD! + Also its will be useful for suspended or disconnected displays diff --git a/drivers/video/meson/meson_vpu.c b/drivers/video/meson/meson_vpu.c index 4868839f..af677a45 100644 --- a/drivers/video/meson/meson_vpu.c +++ b/drivers/video/meson/meson_vpu.c @@ -52,8 +52,23 @@ static int meson_vpu_setup_mode(struct udevice *dev, struct udevice *disp) if (disp) { ret = display_read_timing(disp, &timing); if (ret) { - debug("%s: Failed to read timings\n", __func__); - goto cvbs; + if (IS_ENABLED(CONFIG_VIDEO_MESON_HDMI_FAIL_SAVE_FULL_HD)) { + printf("DISPLAY: setup failsave FullHD mode\n"); + timing.pixelclock.typ = 148500000; + timing.hactive.typ = 1920; + timing.hfront_porch.typ = 88; + timing.hback_porch.typ = 148; + timing.hsync_len.typ = 44; + timing.vactive.typ = 1080; + timing.vfront_porch.typ = 4; + timing.vback_porch.typ = 36; + timing.vsync_len.typ = 5; + timing.flags = 10; + timing.hdmi_monitor = true; + } else { + debug("%s: Failed to read timings\n", __func__); + goto cvbs; + } }
uc_priv->xsize = timing.hactive.typ;