I never could get the devmem to work for me so I ended up using the fbdev.
Good Luck. Craig On Tuesday 07 July 2009 5:49:16 am Deepak Mundra wrote: > Hi Craig > > I think that patch is applicable for fbdev system .. i am trying to enable > rgb24 in devmem system (davinci gfxdriver) > > > > On Tue, Jul 7, 2009 at 10:51 AM, Deepak Mundra <[email protected]>wrote: > > > > > Actually i am using dm6446 and osd layers can be set to only RGB16 and > > video layers can be set to RGB24 or YUV. > > > > i have made changes in frame buffer driver to enable RGB24 on vid0. i > > wanted to use latest version of directfb because of its new features.. > > moving back to 1.1 version is not help full for me. anyways if you have > > patches for 1.1 i can try to port it to new version.. and i will continue my > > effort to enable RGB24 on 1.4 version .. thanks for the patch. > > > > > > On Tue, Jul 7, 2009 at 2:13 AM, Craig Matsuura > > <[email protected]>wrote: > > > >> This is specific to the dm6443 on vid1. I assume the pixel format is the > >> same as I experienced due to the fact your colors are wrong. I had to make > >> some small changes to the davinci framebuffer driver as RGB 24 bit is not > >> natively supported (only YUV422). It just so happens the RGB 24 bit layout > >> is not the same as the supported formats in directfb 1.1.1. So I needed to > >> patch dfb. > >> > >> > >> This was to help you get started in the changes you will need. > >> > >> > >> BTW: The dm6443 only support RGB 24 bits on vid0 and vid1, not on the OSD. > >> > >> > >> Thanks, > >> Craig > >> > >> > >> > >> On Sunday 05 July 2009 10:46:14 pm Deepak Mundra wrote: > >> > Thanks for your reply ..But really wondering how adding this two lines > >> will > >> > change the format.. > >> > considering that you have enabled RGB24 on vid1 (i prefer vid0) dont you > >> > have to change davinci_gfxdriver.c , davinci_osd.c and davinci_video.c ? > >> i > >> > am working with 1.4.0 version trying to enable RGB24 support on vid0. > >> once > >> > again thanks for the reply > >> > > >> > On Sun, Jul 5, 2009 at 10:06 PM, Craig Matsuura <[email protected] > >> >wrote: > >> > > >> > > > >> > > We use directfb 1.1.2 on the davinci in 24 bit mode on vid1. Not all > >> demos > >> > > worked, but the colors are correct. > >> > > > >> > > > >> > > I have attached the patch. > >> > > > >> > > > >> > > Craig > >> > > > >> > > > >> > > On Saturday 27 June 2009 4:39:58 am Deepak Mundra wrote: > >> > > > Dear all > >> > > > > >> > > > I have cross compiled directfb 1.4.0 for davinci.. But gfxdriver by > >> > > > default uses fb0 which is 16 bit RGB .. I changed gfxdriver files > >> such > >> > > that > >> > > > it uses fb1 (vid0 layer which can be set as 24 bit RGB) but still > >> result > >> > > is > >> > > > not good.. i am able tor run few examples but color issue.. please > >> > > > help/guide me in this issue > >> > > > > >> > > > Thanks > >> > > > Deepak > >> > > > > >> > > > >> > > -- > >> > > > >> > > > >> > > ------------------------------ > >> > > > >> > > > >> > > Craig Matsuura - Principal Engineer > >> > > Control4 > >> > > 11734 South Election Road - Suite 200 > >> > > Salt Lake City, UT 84020-6432 > >> > > PH: 801-523-3161 > >> > > FX: 801-523-3199 > >> > > > >> > > >> > >> -- > >> > >> > >> ------------------------------ > >> > >> > >> Craig Matsuura - Principal Engineer > >> Control4 > >> 11734 South Election Road - Suite 200 > >> Salt Lake City, UT 84020-6432 > >> PH: 801-523-3161 > >> FX: 801-523-3199 > >> > > > > > -- Craig Matsuura - Principal Engineer Control4 11734 South Election Road - Suite 200 Salt Lake City, UT 84020-6432 PH: 801-523-3161 FX: 801-523-3199
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