On Thu, Jan 17, 2019 at 10:02:12AM +0530, Jagan Teki wrote: > On Thu, Jan 17, 2019 at 12:48 AM Maxime Ripard > <maxime.ripard@xxxxxxxxxxx> wrote: > > > > On Sun, Jan 13, 2019 at 01:07:41AM +0530, Jagan Teki wrote: > > > > > > > > Again, I cannot help you without the datasheet for the panels you're > > > > > > > > trying to submit. > > > > > > > > > > > > > > The panel bound with Sitronix ST7701 IC > > > > > > > http://www.startek-lcd.com/res/starteklcd/pdres/201705/20170512144242904.pdf > > > > > > > > > > > > It's the controller, not the panel > > > > > > > > > > As I said before, the datasheet of that panel doesn't have any > > > > > information except electrical characteristics and used IC which is > > > > > ST7701. > > > > > > > > > > I have one more panel, which is from Bananapi, S070WV20-CT16 ICN621 > > > > > please find the attachment for the same. > > > > > > > > > > Here is some more details of the same. > > > > > > > > > > https://github.com/yesnoandor/x300/blob/master/kernel/arch/arm/boot/dts/erobbing/x300/x300.dtsi#L81 > > > > > https://github.com/wxzed/Raspberry_5MIPI_Display/blob/master/I2C_Slave/USER/main.c#L15 > > > > > > > > > > https://github.com/eliot-shao/qcom/blob/master/icn6211_cxn0102/kernel/drivers/video/msm/mdss/mdss_i2c_interface.c#L152 > > > > > matches timings for > > > > > https://github.com/eliot-shao/qcom/blob/master/icn6211_cxn0102/kernel/arch/arm/boot/dts/qcom/dsi-mipi-2-rgb_1280p_video.dtsi#L20 > > > > > > > > > > https://github.com/zestroly/micromat/blob/master/test/raspberry/ICN6211.cpp#L169 > > > > > > > > Where did you get the timings from then? > > > > > > You mean drm_mode timings, the same panel with RGB available in > > > panel-simple[1], and dsi driver in Mailing list[2] and actual DSI > > > sequence commands from BSP[3] > > > > > > [1] https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/drivers/gpu/drm/panel/panel-simple.c?id=7ad8b41cd8f5c2842646d01cdd576663caee04a7 > > > [2] https://patchwork.kernel.org/patch/10680331/ > > > [3] https://github.com/BPI-SINOVOIP/BPI-M64-bsp/blob/master/linux-sunxi/drivers/video/sunxi/disp2/disp/lcd/S070WV20_MIPI_RGB.c > > > > So you had no reliable source for the timings then? How do you know if > > all your patches that are timing related are right then? > > I don't understand your point, or may be I confused with many links > that I attached in previous mail. > > 1. Patch for same panel timings are already in Mainline that was > tested on one of the board. [1] > 2. Driver from AW, released bsp from BPI-M64-bsp [3] > > Do you think the above two points are not valid sources? I'm saying that the only valid source is the datasheet or a DSI analyzer. Maxmie -- Maxime Ripard, Bootlin Embedded Linux and Kernel engineering https://bootlin.com
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