On Tue, Jul 7, 2009 at 9:09 PM, Craig Matsuura <cmatsu...@control4.com>wrote:
> First if you apply the changes I sent you your colors will be correct for > 24 bit RGB when using fbdev. > > > Second, I would love to use the osd0 in 16 bit mode, but a silicon problem > in the dm644x does not allow me > to have a resolution of 1280x720 without video jitter or tearing on the > osd. Since I am bound to vid0 I would need the devmem to work for vid0. > > Same problem with me also .. and image clarity on osd0 16 bit is not good (if you wan to display 24bit image).. and your patch is not applicable in 1.4 version coz they have rewritten that function and old function is commented .. i have to find different method .. ill post here once i fix it.. > > Craig > > > On Tuesday 07 July 2009 8:29:11 am Deepak Mundra wrote: > > Hi, > > > > i am able to use rgb24 on vid0 with fbdev system, without any patches on > > directfb 1.4 :) , only thing i had to do was > > > > move /etc/fb.modes file > > and export FRAMEBUFFER=/dev/fb/1 (for vid0) > > thats it > > > > but with following cons > > a] RGB is inverted but no problem with image provider > > b] performence is low compared to 16bit over osd0 (df_andi example avg > FPS > > is 10 where as on osd0 it was 16 ) > > > > and Craig > > > > Why you were not able to use devmem system along with davinci driver? as > per > > my personal experience devmem performs much better than fbdev system.. > and i > > didnt face any problem in using dvmem over osd0 .. > > > > > > On Tue, Jul 7, 2009 at 6:41 PM, Craig Matsuura <cmatsu...@control4.com > >wrote: > > > > > 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 < > deepa...@allaboutif.com > > > >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 < > cmatsu...@control4.com > > > >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 < > > > cmatsu...@control4.com > > > > >> >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 > > > > > > > -- > > > ------------------------------ > > > 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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