How to wait for DRM_MODE_CONNECTED status?

2020-03-12 Thread Vikas Patil
Dear All, What is the most effective/optimal/recommended way to wait for DRM_MODE_CONNECTED status? This is to make sure when disply manager (uses drm apis) starts and if it do not get the DRM_MODE_CONNECTED status as some dependent driver is still loading and setting up (e.g. serializer driver)

Re: [ADV7393] DRM Encoder Slave or DRM Bridge

2019-05-27 Thread Vikas Patil
Hi Nasser, No, problem was not solved and I left it as priorities of my work changed. Best Regards, Vikash On Mon, May 27, 2019 at 3:08 AM nasser afshin wrote: > Hi Vikash, > > As it's been quite a while, I want to know if the problem is solved > successfully > If so, could you please shed som

Re: Linux: Smooth splashscreen with system having weston with drm-backend

2017-07-14 Thread Vikas Patil
On Thu, Jul 13, 2017 at 7:20 PM, Daniel Vetter wrote: > On Thu, Jul 13, 2017 at 3:33 PM, Vikas Patil wrote: >> Dear All, >> >> I am looking for an solution to have early smooth splashscreen on the >> Linux system with Weston and drm-backend. >> >> I trie

Linux: Smooth splashscreen with system having weston with drm-backend

2017-07-13 Thread Vikas Patil
Dear All, I am looking for an solution to have early smooth splashscreen on the Linux system with Weston and drm-backend. I tried showing splashscreen using Linux logo and fbcon Linux features but it is not smooth as when system boots logo gets displayed via kernel and as the Weston starts I see

[ADV7393] DRM Encoder Slave or DRM Bridge

2016-09-26 Thread Vikas Patil
On Mon, Sep 26, 2016 at 6:11 PM, Tomi Valkeinen wrote: > On 26/09/16 15:34, Vikas Patil wrote: > >> Will check once I get display working, for time being I think it shows >> connected with the hack I mentioned. I was taking about supporting >> "interlace" via

[ADV7393] DRM Encoder Slave or DRM Bridge

2016-09-26 Thread Vikas Patil
On Mon, Sep 26, 2016 at 6:00 PM, Tomi Valkeinen wrote: > > > On 26/09/16 15:25, Vikas Patil wrote: >> On Fri, Sep 23, 2016 at 4:30 PM, Tomi Valkeinen >> wrote: >>> On 22/09/16 16:22, Vikas Patil wrote: >>> >>>> Could you help me to understand

[ADV7393] DRM Encoder Slave or DRM Bridge

2016-09-26 Thread Vikas Patil
On Fri, Sep 23, 2016 at 4:30 PM, Tomi Valkeinen wrote: > On 22/09/16 16:22, Vikas Patil wrote: > >> Could you help me to understand if I could use “interlace=false”? >> ADV7393 seems to be supporting non-interlaced mode. From datasheet: >> “The ADV7390/ADV7391/ADV73

[ADV7393] DRM Encoder Slave or DRM Bridge

2016-09-26 Thread Vikas Patil
On Fri, Sep 23, 2016 at 4:32 PM, Tomi Valkeinen wrote: > On 23/09/16 13:08, Vikas Patil wrote: >> Hi Tomi, >> >> I added the missing check for "OMAP_DISPLAY_TYPE_VENC" in function >> omap_connector_detect @ gpu/drm/omapdrm/omap_connector.c and now >> m

[ADV7393] DRM Encoder Slave or DRM Bridge

2016-09-23 Thread Vikas Patil
display. I think I need to understand about what display timing I could use as interlace doesn't seems to be supported as I mentioned above. Could you please comment on this? Thanks & Regards, Vikash On Thu, Sep 22, 2016 at 6:52 PM, Vikas Patil wrote: > Hi Tomi, > > > Now with

[ADV7393] DRM Encoder Slave or DRM Bridge

2016-09-22 Thread Vikas Patil
23 PM, Tomi Valkeinen wrote: > > > On 15/09/16 12:44, Vikas Patil wrote: >> On Wed, Sep 14, 2016 at 3:04 PM, Tomi Valkeinen >> wrote: >>> >>> >>> On 13/09/16 16:13, Vikas Patil wrote: >>>> Thanks Tomi for quick comment. >>>> >

[ADV7393] DRM Encoder Slave or DRM Bridge

2016-09-21 Thread Vikas Patil
On Thu, Sep 15, 2016 at 3:23 PM, Tomi Valkeinen wrote: > > > On 15/09/16 12:44, Vikas Patil wrote: >> On Wed, Sep 14, 2016 at 3:04 PM, Tomi Valkeinen >> wrote: >>> >>> >>> On 13/09/16 16:13, Vikas Patil wrote: >>>> Thanks Tomi for q

[ADV7393] DRM Encoder Slave or DRM Bridge

2016-09-15 Thread Vikas Patil
On Wed, Sep 14, 2016 at 3:04 PM, Tomi Valkeinen wrote: > > > On 13/09/16 16:13, Vikas Patil wrote: >> Thanks Tomi for quick comment. >> >> I am thinking to base adv7393 driver on >> "drivers\gpu\drm\omapdrm\displays\encoder-tc358768.c" as I don&#x

[ADV7393] DRM Encoder Slave or DRM Bridge

2016-09-13 Thread Vikas Patil
ng to open device 'rockchip'...failed trying to open device 'atmel-hlcdc'...failed trying to open device 'fsl-dcu-drm'...failed trying to open device 'vc4'...failed no device found root at dra7xx-evm:~# kmscube trying to load module omapdrm...failed. trying to

[ADV7393] DRM Encoder Slave or DRM Bridge

2016-09-13 Thread Vikas Patil
with adv7393 driver? Thanks & Regards, Vikash On Mon, Sep 12, 2016 at 5:59 PM, Vikas Patil wrote: > Dear All, > > I am trying to understand difference between "DRM Encoder slave > driver" and "DRM bridge driver" as I need to write one for ADV7393 > Video

[ADV7393] DRM Encoder Slave or DRM Bridge

2016-09-12 Thread Vikas Patil
Dear All, I am trying to understand difference between "DRM Encoder slave driver" and "DRM bridge driver" as I need to write one for ADV7393 Video Encoder Chip for the custom target based on DRA74x having following display connection. VOUT1 --> ADV7393 --> CVBS Out(ADV7393 is on I2C) Could a

omapdrm/pvr kernel crash with camera capture and display application

2014-12-02 Thread Vikas Patil
gem_put_paddr(buf); } else { if (bPhysContig) { omap_gem_put_paddr(buf); } else { omap_gem_put_pages(buf); } } } #endif /* SUPPORT_DRI_DRM_EXTERNAL */ return err; } Thanks & Regards, Vikash On Mon, Dec 1, 2

omapdrm/pvr kernel crash with camera capture and display application

2014-12-01 Thread Vikas Patil
Hi, I am running camera capture application (based on omap iss, v4l2, videobuf2-dma-contig, x11, gles2) on customized OMAP5 board with 3.8 kernel and rootfs based on GLSDK 6.04.00.02. However within 12 to 30 minutes it crashes with following trace. I have reverted Link 1 patch from omap_gem.c and

OMAPDSS: omap5 SYNC_LOST error with DPI/LCD

2014-05-16 Thread Vikas Patil
.-rc5 linux) Regards, Vikash On Fri, May 16, 2014 at 2:23 PM, Tomi Valkeinen wrote: > On 13/05/14 09:26, Vikas Patil wrote: > > Hi Tomi, > > > >>That driver cannot be used with omapdrm, which uses omapdss. There's no > > TDF19988 driver for omapdss (at least i

OMAPDSS: omap5 SYNC_LOST error with DPI/LCD

2014-05-13 Thread Vikas Patil
cture and effort to backport some of the things, write new driver > fro TDF19988 and make DPI interface working for our platform for someone > like me who has just started working on DSS/Display. > > Regards, > Vikash > > On Mon, May 12, 2014 at 5:28 PM, Tomi Valkeinen t

OMAPDSS: omap5 SYNC_LOST error with DPI/LCD

2014-05-12 Thread Vikas Patil
on DSS/Display. Regards, Vikash On Mon, May 12, 2014 at 5:28 PM, Tomi Valkeinen wrote: > On 12/05/14 14:33, Vikas Patil wrote: > > Hi, > > > > Re-posting as previous posting was rejected due to length. > > > > Forgot to mention, DPI pins are connected to TDF1

OMAPDSS: omap5 SYNC_LOST error with DPI/LCD

2014-05-12 Thread Vikas Patil
driver itself? Could you please give some inputs, how should I proceed further to adding support for TDF19988 for which the input is coming from DPI interface? Thanks & Regards, Vikash On Mon, May 12, 2014 at 2:11 PM, Vikas Patil wrote: > Hi Tomi, > > How could I confirm for OMAP

OMAPDSS: omap5 SYNC_LOST error with DPI/LCD

2014-05-12 Thread Vikas Patil
kernel\arch\arm\mach-omap2? Regards, Vikash On Fri, May 9, 2014 at 4:49 PM, Tomi Valkeinen wrote: > On 08/05/14 13:07, Vikas Patil wrote: > > Hi, > > > > I am working on to enable the second display output for customized OMAP5 > > based platform and linux 3.4.25. Fir

Wayland/Weston no display with 3.8.13 with drmbackend

2014-05-08 Thread Vikas Patil
bug fixes in the DRM driver. > > > > I believe Wayland 1.4.0 should work as-is with this release on J6. > > > > Regards, > > Anand Balagopalakrishnan > > Systems Architect > > Automotive Infotainment > > Texas Instruments > -----

Wayland/Weston no display with 3.8.13 with drmbackend

2014-04-24 Thread Vikas Patil
Hi, HDMI display is not showing anything (i.e. shows black ) while running Wayland/Weston 1.4.0 with drm-backend.so on linux 3.8.13 which is customized for Jacinto 6 based platform. - Although weston seem to be running - I am able to run the kmscube and it is showing cube on display. - I am able

spinlock lockup suspected on CPU error on omapdrm

2014-04-03 Thread Vikas Patil
ark wrote: > On Wed, Apr 2, 2014 at 8:23 AM, Vikas Patil wrote: > > Hi, > > I am seeing following kernel backtrace on J6 with linux 3.8.13 when > trying > > to start IVI LM service. Before starting this I started the X11 and run > some > > GLES2/X11 based tests su

spinlock lockup suspected on CPU error on omapdrm

2014-04-02 Thread Vikas Patil
Hi, I am seeing following kernel backtrace on J6 with linux 3.8.13 when trying to start IVI LM service. Before starting this I started the X11 and run some GLES2/X11 based tests successfully. The same binaries and my graphics driver are working fine on OMAP5 and linux 3.4.25. Is this some known BU

Opps while using omapdrm_pvr.ko!

2013-12-19 Thread Vikas Patil
Hi All, While running one of the map application I am seeing following crash in omapdrm_pvr. Is this known issue? or any clues to debug this would be very much helpful to me. [ 51.095336] Unable to handle kernel paging request at virtual address f297d000 [ 51.102996] pgd = e7ac4000 [ 51.1

drm_gem_mmap failing!

2013-10-21 Thread Vikas Patil
Hi All, I am running the webkit on custom linux based on 3.4.25 kernel on omap5. However it is failing to map some memory using drm_gem_mmap() at following code. if (map->size < vma->vm_end - vma->vm_start) { ret = -EINVAL; g

Question on DRM/DRI and X render to framebuffer memory and not to display?

2013-10-12 Thread Vikas Patil
Hi All, Please excuse me if this is not the right place to ask this question. If not please point me where should I ask? Is it possible to render to framebuffer memory or some allocated memory with graphics stack which uses DRI/DRM and Xserver and platform without any display port or monitor atta