| Message ID | 1321f3abdc3df6e9d1999bd32b436ae71e89c27e.1605635248.git.agx@sigxcpu.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | drm/panel: mantix and st7703 fixes and additions | expand |
On Tue, Nov 17, 2020 at 6:49 PM Guido Günther <agx@sigxcpu.org> wrote: > We've seen some (non permanent) burn in and bad white balance > on some of the panels. Adding this bit from a vendor supplied > sequence fixes it. > > Fixes: 72967d5616d3 ("drm/panel: Add panel driver for the Mantix MLAF057WE51-X DSI panel") > Signed-off-by: Guido Günther <agx@sigxcpu.org> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Yours, Linus Walleij
diff --git a/drivers/gpu/drm/panel/panel-mantix-mlaf057we51.c b/drivers/gpu/drm/panel/panel-mantix-mlaf057we51.c index 0c5f22e95c2d..624d17b96a69 100644 --- a/drivers/gpu/drm/panel/panel-mantix-mlaf057we51.c +++ b/drivers/gpu/drm/panel/panel-mantix-mlaf057we51.c @@ -22,6 +22,7 @@ /* Manufacturer specific Commands send via DSI */ #define MANTIX_CMD_OTP_STOP_RELOAD_MIPI 0x41 #define MANTIX_CMD_INT_CANCEL 0x4C +#define MANTIX_CMD_SPI_FINISH 0x90 struct mantix { struct device *dev; @@ -66,6 +67,10 @@ static int mantix_init_sequence(struct mantix *ctx) dsi_generic_write_seq(dsi, 0x80, 0x64, 0x00, 0x64, 0x00, 0x00); msleep(20); + dsi_generic_write_seq(dsi, MANTIX_CMD_SPI_FINISH, 0xA5); + dsi_generic_write_seq(dsi, MANTIX_CMD_OTP_STOP_RELOAD_MIPI, 0x00, 0x2F); + msleep(20); + dev_dbg(dev, "Panel init sequence done\n"); return 0; }
We've seen some (non permanent) burn in and bad white balance on some of the panels. Adding this bit from a vendor supplied sequence fixes it. Fixes: 72967d5616d3 ("drm/panel: Add panel driver for the Mantix MLAF057WE51-X DSI panel") Signed-off-by: Guido Günther <agx@sigxcpu.org> --- drivers/gpu/drm/panel/panel-mantix-mlaf057we51.c | 5 +++++ 1 file changed, 5 insertions(+)