If fixed the command line issue with kernel 4.19 but can't get weston to work.
[13:24:55.431] weston 5.0.0
wayland.freedesktop.org
Bug reports to: gitlab.freedesktop.org/.../
Build: unknown (not built from git or tarball)
[13:24:55.432] Command line: weston --idle-time=0
[13:24:55.432] OS: Linux, 4.19.73-actia-g31275c05a1, #1 SMP PREEMPT Thu Feb 20 19:58:05 UTC 2020, armv7l
[13:24:55.432] Using config file '/etc//weston.ini'
[13:24:55.432] Output repaint window is 7 ms maximum.
[13:24:55.432] Loading module '/usr/lib/libweston-5/drm-backend.so'
[13:24:55.435] initializing drm backend
[13:24:55.437] using /dev/dri/card0
[13:24:55.437] DRM: supports universal planes
[13:24:55.437] DRM: supports atomic modesetting
[13:24:55.437] DRM: supports picture aspect ratio
[13:24:55.437] Loading module '/usr/lib/libweston-5/gl-renderer.so'
[13:24:55.442] warning: either no EGL_EXT_platform_base support or specific platform support; falling back to eglGetDis
[13:24:55.444] failed to initialize display
[13:24:55.445] EGL error state: EGL_BAD_ALLOC (0x3003)
[13:24:55.445] failed to initialize egl
[13:24:55.456] fatal: failed to create compositor backend
[13:24:55.456] Internal warning: debug scope 'drm-backend' has not been destroyed.
PVR:(Error): OpenServices: PVRDRMOpenRender failed [0, ]
PVR:(Error): PVRSRVConnect: Unable to open connection. [0, ]
PVR:(Error): Couldn't connect to services [0, ]
Here is the devicetree information for the LCD
&dss {
status = "okay";
vdda_video-supply = <&ldo5_reg>;
port {
dpi_lcd_out: endpoint {
remote-endpoint = <&lcd_in>;
data-lines = <24>;
};
};
};
for the 7 inch display
/* LVDS LCD Display*/
lcd0: display {
status = "okay";
compatible = "actiagd,gd7inch","panel-dpi";
label = "lcd0";
backlight = <&lcd_bl>;
panel-timing {
clock-frequency = <66800000>;
hactive = <800>;
vactive = <1280>;
hfront-porch = <51>;
hback-porch = <10>;
hsync-len = <3>;
vback-porch = <2>;
vfront-porch = <4>;
vsync-len = <2>;
hsync-active = <0>;
vsync-active = <0>;
de-active = <1>;
pixelclk-active = <1>;
};
port {
lcd_in: endpoint {
remote-endpoint = <&dpi_lcd_out>;
};
};
};
for the 12 inch display
/* LVDS LCD Display*/
lcd0: display {
status = "okay";
compatible = "actiagd,gd12inch", "panel-dpi";
label = "lcd0";
backlight = <&lcd_bl>;
panel-timing {
clock-frequency = <93688000>;
hactive = <1920>;
vactive = <720>;
hfront-porch = <115>;
hback-porch = <20>;
hsync-len = <5>;
vback-porch = <3>;
vfront-porch = <32>;
vsync-len = <3>;
hsync-active = <0>;
vsync-active = <0>;
de-active = <1>;
pixelclk-active = <1>;
};
port {
lcd_in: endpoint {
remote-endpoint = <&dpi_lcd_out>;
};
};
};
and changes to panel-simple.c
static const struct drm_display_mode actiagd_gd7inch_mode = {
.clock = 66800,
.hdisplay = 800,
.hsync_start = 800 + 51,
.hsync_end = 800 + 51 + 3,
.htotal = 800 + 51 + 3 + 10,
.vdisplay = 1280,
.vsync_start = 1280 + 4,
.vsync_end = 1280 + 4 + 2,
.vtotal = 1280 + 4 + 2 + 2,
.vrefresh = 60,
.flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC,
};
static const struct panel_desc actiagd_gd7inch = {
.modes = &actiagd_gd7inch_mode,
.num_modes = 1,
.bpc = 8,
.size = {
.width = 800,
.height = 1280,
},
.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_POSEDGE,
};
static const struct drm_display_mode actiagd_gd12inch_mode = {
.clock = 93688,
.hdisplay = 1920,
.hsync_start = 1920 + 115,
.hsync_end = 1920 + 115 + 5,
.htotal = 1920 + 115 + 5 + 20,
.vdisplay = 720,
.vsync_start = 720 + 32,
.vsync_end = 720 + 32 + 3,
.vtotal = 720 + 32 + 3 + 3,
.vrefresh = 60,
.flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC,
};
static const struct panel_desc actiagd_gd12inch = {
.modes = &actiagd_gd12inch_mode,
.num_modes = 1,
.bpc = 8,
.size = {
.width = 1920,
.height = 720,
},
.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_POSEDGE,
};
static const struct of_device_id platform_of_match[] = {
{
.compatible = "actiagd,gd7inch",
.data = &actiagd_gd7inch,
}, {
.compatible = "actiagd,gd12inch",
.data = &actiagd_gd12inch,
}, {
Michel Catudal
ACTIA Corp
