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SubjectRe: [PATCH 1/3] drm/panel: simple: Add Logic PD Type 28 display support
Hi Adam.

On Tue, Sep 17, 2019 at 11:12:11AM -0500, Adam Ford wrote:
> Previously, there was an omap panel-dpi driver that would
> read generic timings from the device tree and set the display
> timing accordingly. This driver was removed so the screen
> no longer functions. This patch modifies the panel-simple
> file to setup the timings to the same values previously used.
>
> Fixes: 8bf4b1621178 ("drm/omap: Remove panel-dpi driver")
>
> Signed-off-by: Adam Ford <aford173@gmail.com>

Patch looks good.
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
>
> diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
> index 5a93c4edf1e4..c86c30f3a8a1 100644
> --- a/drivers/gpu/drm/panel/panel-simple.c
> +++ b/drivers/gpu/drm/panel/panel-simple.c
> @@ -1900,6 +1900,40 @@ static const struct drm_display_mode mitsubishi_aa070mc01_mode = {
> .flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC,
> };
>
> +static const struct drm_display_mode logicpd_type_28_mode = {
> + .clock = 9000,
> + .hdisplay = 480,
> + .hsync_start = 480 + 3,
> + .hsync_end = 480 + 3 + 42,
> + .htotal = 480 + 3 + 42 + 2,
> +
> + .vdisplay = 272,
> + .vsync_start = 272 + 2,
> + .vsync_end = 272 + 2 + 11,
> + .vtotal = 272 + 2 + 11 + 3,
> + .vrefresh = 60,
> + .flags = DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC,
> +};
> +
> +static const struct panel_desc logicpd_type_28 = {
> + .modes = &logicpd_type_28_mode,
> + .num_modes = 1,
> + .bpc = 8,
> + .size = {
> + .width = 105,
> + .height = 67,
> + },
> + .delay = {
> + .prepare = 200,
> + .enable = 200,
> + .unprepare = 200,
> + .disable = 200,
> + },
> + .bus_format = MEDIA_BUS_FMT_RGB888_1X24,
> + .bus_flags = DRM_BUS_FLAG_DE_HIGH | DRM_BUS_FLAG_PIXDATA_DRIVE_POSEDGE |
> + DRM_BUS_FLAG_SYNC_DRIVE_NEGEDGE,
> +};
> +
> static const struct panel_desc mitsubishi_aa070mc01 = {
> .modes = &mitsubishi_aa070mc01_mode,
> .num_modes = 1,
> @@ -2948,6 +2982,9 @@ static const struct of_device_id platform_of_match[] = {
> }, {
> .compatible = "lg,lp129qe",
> .data = &lg_lp129qe,
> + }, {
> + .compatible = "logicpd,type28",
> + .data = &logicpd_type_28,
> }, {
> .compatible = "mitsubishi,aa070mc01-ca1",
> .data = &mitsubishi_aa070mc01,
> --
> 2.17.1

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