Hi Lubomir.
Sorry for the late feedback!
On Wed, Aug 19, 2020 at 12:12:06PM +0200, Lubomir Rintel wrote:
> This adds support for the Innolux LS075AT011 7.5" 1200x900 panel. There's
> no public data sheet for the panel -- the values have been taken from Open
> Firmware and the documentation for the display controller that drives
> the panel and tested on the OLPC laptop.
>
> Signed-off-by: Lubomir Rintel <lkundrak@xxxxx>
> ---
> drivers/gpu/drm/panel/panel-simple.c | 27 +++++++++++++++++++++++++++
> 1 file changed, 27 insertions(+)
>
> diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
> index cb6550d37e858..dfc69457ed2d4 100644
> --- a/drivers/gpu/drm/panel/panel-simple.c
> +++ b/drivers/gpu/drm/panel/panel-simple.c
> @@ -2121,6 +2121,30 @@ static const struct panel_desc innolux_g121x1_l03 = {
> },
> };
>
> +static const struct display_timing innolux_ls075at011_timing = {
> + .pixelclock = { 56000000, 57000000, 58000000 },
> + .hactive = { 1200, 1200, 1200 },
> + .hfront_porch = { 26, 26, 26 },
> + .hback_porch = { 24, 24, 24 },
> + .hsync_len = { 6, 6, 6 },
> + .vactive = { 900, 900, 900 },
> + .vfront_porch = { 4, 4, 4 },
> + .vback_porch = { 5, 5, 5 },
> + .vsync_len = { 3, 3, 3 },
> + .flags = DISPLAY_FLAGS_VSYNC_LOW | DISPLAY_FLAGS_HSYNC_LOW,
> +};
> +
> +static const struct panel_desc innolux_ls075at011 = {
> + .timings = &innolux_ls075at011_timing,
> + .num_timings = 1,
> + .bpc = 8,
> + .size = {
> + .width = 152,
> + .height = 115,
> + },
> + .connector_type = DRM_MODE_CONNECTOR_LVDS,
> +};
For LVDS panels following info is mandatory:
.bus_flags
.bus_format
You have .bpc - so this part is OK.
See the checks in panel_simple_probe() - thay are not allowed to trigger
for any new panels.
Sam
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