Op 11 feb 2011, om 13:12 heeft Bryan Wu het volgende geschreven: > On Wed, Feb 9, 2011 at 10:08 PM, Gadiyar, Anand <gadiyar@xxxxxx> wrote: >> On Wed, Feb 9, 2011 at 7:25 PM, Raghuveer Murthy >> <raghuveer.murthy@xxxxxx> wrote: >>> Adding DVI support to OMAP4 PandaBoard. >>> >>> PandaBoard uses TFP410 DVI Framer chip >>> http://focus.ti.com/lit/ds/symlink/tfp410.pdf >>> >>> The TFP410 gets its power enable and display data over GPIO lines muxed >>> in from OMAP4430. PandaBoard supports other LCD displays through expansion >>> connectors, following board rework. This will disable the DVI interface. >>> However, the existing mux settings remain the same >>> >>> PandaBoard additionally supports display over HDMI interface. It is >>> mutually exclusive to display over DVI. Hence the mux settings need to be >>> configured seperately, as and when HDMI is enabled >>> >>> Also, I2C3 bus used for reading EDID data from DVI Monitors is >>> registered here. Since the design is similar to BeagleBoard, the code >>> for the same is taken from the kernel.org commit e3333f48dd5cb21 >>> (omap: Adding beagle i2c eeprom driver to read EDID) >>> >>> Reviewed-by: Manjunath G Kondaiah <manjugk@xxxxxx> >>> Reviewed-by: Anand Gadiyar <gadiyar@xxxxxx> >> >> I've also tested it on the Panda, and gone through this and most >> of the other patches in the series. So if you like, you could >> consider this an: >> >> Acked-by: Anand Gadiyar <gadiyar@xxxxxx> >> >>> Reviewed-by: Nishanth Menon <nm@xxxxxx> >>> Reviewed-by: Sumit Semwal <sumit.semwal@xxxxxx> >>> Signed-off-by: Raghuveer Murthy <raghuveer.murthy@xxxxxx> >>> --- >>> >>> Base >>> ==== >>> url = >>> git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git >>> branch "master" >>> commit 100b33c8bd8a3235fd0b7948338d6cbb3db3c63d >>> tag 2.6.38-rc4 >>> >> >> To make it easier for someone to test, I've extracted this >> and the 6 dependent series from patchwork, and hosted >> them in a branch on my devel tree. They are available >> against v2.6.38-rc4 here: >> >> git://dev.omapzoom.org/pub/scm/anand/linux-omap-usb.git >> >> in the display-patches-for-v2.6.38-rc4 branch if someone >> wants to take a look. > > I fetched this branch which contains 35 patches on top of 2.6.38-rc4. > After fixing some conflict, I applied these 35 patches on our Ubuntu > ti-omap-dev kernel. With built-in the DSS2 driver and GENERIC_DPI > driver, kernel boots fine on my Panda with Ubuntu GUI. But I have to > set the kernel boot command args with omapfb.mode=dvi:1024x768MR-24@60 > omapdss.def_disp=dvi, pointed out by Sebastien. Without this bootargs, > no graphic at all. so as Robert concerned, EDID detection doesn't > work. Does that related to I2C driver? I2C driver always tell me > timeout in dmesg. AIUI the i2c bus is only hooked up to the HDMI port, so unless you plug in something there, no dice. regards, Koen-- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
