How is it coming?  Did you get the devmem RGB24 bit vid0 working?

Craig


On Tuesday 07 July 2009 11:20:47 pm Deepak Mundra wrote:
> On Tue, Jul 7, 2009 at 9:09 PM, Craig Matsuura <[email protected]>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 <[email protected]
> > >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 <
> > [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
> > > >
> > >
> >
> > --
> >
> >
> > ------------------------------
> >
> >
> > 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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