diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.15/950-0479-drm-panel-simple-Add-a-timing-for-the-Raspberry-Pi-7.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.15/950-0479-drm-panel-simple-Add-a-timing-for-the-Raspberry-Pi-7.patch | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.15/950-0479-drm-panel-simple-Add-a-timing-for-the-Raspberry-Pi-7.patch b/target/linux/bcm27xx/patches-5.15/950-0479-drm-panel-simple-Add-a-timing-for-the-Raspberry-Pi-7.patch new file mode 100644 index 0000000000..95e48816e2 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.15/950-0479-drm-panel-simple-Add-a-timing-for-the-Raspberry-Pi-7.patch @@ -0,0 +1,59 @@ +From 02ce5b14d69bf513f3c6cc93c005cae07db985a0 Mon Sep 17 00:00:00 2001 +From: Dave Stevenson <dave.stevenson@raspberrypi.com> +Date: Fri, 26 Mar 2021 17:06:36 +0000 +Subject: [PATCH] drm/panel-simple: Add a timing for the Raspberry Pi + 7" panel + +The Raspberry Pi 7" 800x480 panel uses a Toshiba TC358762 DSI +to DPI bridge chip, so there is a requirement for the timings +to be specified for the end panel. Add such a definition. + +Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com> +--- + drivers/gpu/drm/panel/panel-simple.c | 28 ++++++++++++++++++++++++++++ + 1 file changed, 28 insertions(+) + +--- a/drivers/gpu/drm/panel/panel-simple.c ++++ b/drivers/gpu/drm/panel/panel-simple.c +@@ -3758,6 +3758,31 @@ static const struct panel_desc qishenglo + .connector_type = DRM_MODE_CONNECTOR_DPI, + }; + ++static const struct drm_display_mode raspberrypi_7inch_mode = { ++ .clock = 25979400 / 1000, ++ .hdisplay = 800, ++ .hsync_start = 800 + 2, ++ .hsync_end = 800 + 2 + 2, ++ .htotal = 800 + 2 + 2 + 46, ++ .vdisplay = 480, ++ .vsync_start = 480 + 7, ++ .vsync_end = 480 + 7 + 2, ++ .vtotal = 480 + 7 + 2 + 21, ++ .flags = DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC, ++}; ++ ++static const struct panel_desc raspberrypi_7inch = { ++ .modes = &raspberrypi_7inch_mode, ++ .num_modes = 1, ++ .bpc = 8, ++ .size = { ++ .width = 154, ++ .height = 86, ++ }, ++ .bus_format = MEDIA_BUS_FMT_RGB888_1X24, ++ .connector_type = DRM_MODE_CONNECTOR_DSI, ++}; ++ + static const struct display_timing rocktech_rk070er9427_timing = { + .pixelclock = { 26400000, 33300000, 46800000 }, + .hactive = { 800, 800, 800 }, +@@ -4838,6 +4863,9 @@ static const struct of_device_id platfor + .compatible = "qishenglong,gopher2b-lcd", + .data = &qishenglong_gopher2b_lcd, + }, { ++ .compatible = "raspberrypi,7inch-dsi", ++ .data = &raspberrypi_7inch, ++ }, { + .compatible = "rocktech,rk070er9427", + .data = &rocktech_rk070er9427, + }, { |