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Using kmssink with mxsfb-drm

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Fabio Estevam

Using kmssink with mxsfb-drm

Hi,

I am trying to run a simple videotestsrc pipeline on a imx6ull-evk
board running kernel 5.10 and Gstreamer 1.18.2, but it fails as shown
below.

Any ideas?

Thanks,

Fabio Estevam

# modetest -M mxsfb-drm
Encoders:
id crtc type possible crtcs possible clones
34 33 none 0x00000001 0x00000000

Connectors:
id encoder status name size (mm) modes encoders
31 34 connected unknown-1 95x54 1 34
modes:
index name refresh (Hz) hdisp hss hse htot vdisp vss vse vtot)
#0 480x272 59.94 480 482 523 525 272 274 284 286 9000 flags: nhsync,
nvsync; type: preferred, driver
props:
1 EDID:
flags: immutable blob
blobs:

value:
2 DPMS:
flags: enum
enums: On=0 Standby=1 Suspend=2 Off=3
value: 0
5 link-status:
flags: enum
enums: Good=0 Bad=1
value: 0
6 non-desktop:
flags: immutable range
values: 0 1
value: 0
4 TILE:
flags: immutable blob
blobs:

value:

CRTCs:
id fb pos size
33 35 (0,0) (480x272)
#0 480x272 59.94 480 482 523 525 272 274 284 286 9000 flags: nhsync,
nvsync; type: preferred, driver
props:
24 VRR_ENABLED:
flags: range
values: 0 1
value: 0

Planes:
id crtc fb CRTC x,y x,y gamma size possible crtcs
32 33 35 0,0 0,0 0 0x00000001
formats: XR24 RG16
props:
8 type:
flags: immutable enum
enums: Overlay=0 Primary=1 Cursor=2
value: 1

Frame buffers:
id size pitch

# gst-launch-1.0 videotestsrc ! kmssink connector-id=31 name=mxsfb-drm
Setting pipeline to PAUSED ...
Pipeline is PREROLLING ...
ERROR: from element /GstPipeline:pipeline0/GstKMSSink:mxsfb-drm:
GStreamer encountered a general resource error.
Additional debug info:
../sys/kms/gstkmssink.c(1711): gst_kms_sink_show_frame ():
/GstPipeline:pipeline0/GstKMSSink:mxsfb-drm:
drmModeSetPlane failed: Invalid argument (22)
ERROR: pipeline doesn't want to preroll.
Setting pipeline to NULL ...
ERROR: from element
/GstPipeline:pipeline0/GstVideoTestSrc:videotestsrc0: Internal data
stream error.
Additional debug info:
../libs/gst/base/gstbasesrc.c(3127): gst_base_src_loop ():
/GstPipeline:pipeline0/GstVideoTestSrc:videotestsrc0:
streaming stopped, reason error (-5)
ERROR: pipeline doesn't want to preroll.
Freeing pipeline ...
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Gary Bisson

Re: Using kmssink with mxsfb-drm

Hi Fabio,

On Wed, Dec 30, 2020 at 03:45:40PM -0300, Fabio Estevam wrote:

> Hi,
>
> I am trying to run a simple videotestsrc pipeline on a imx6ull-evk
> board running kernel 5.10 and Gstreamer 1.18.2, but it fails as shown
> below.
>
> Any ideas?
>
> Thanks,
>
> Fabio Estevam
>
> # modetest -M mxsfb-drm
> Encoders:
> id crtc type possible crtcs possible clones
> 34 33 none 0x00000001 0x00000000
>
> Connectors:
> id encoder status name size (mm) modes encoders
> 31 34 connected unknown-1 95x54 1 34
> modes:
> index name refresh (Hz) hdisp hss hse htot vdisp vss vse vtot)
> #0 480x272 59.94 480 482 523 525 272 274 284 286 9000 flags: nhsync,
> nvsync; type: preferred, driver
> props:
> 1 EDID:
> flags: immutable blob
> blobs:
>
> value:
> 2 DPMS:
> flags: enum
> enums: On=0 Standby=1 Suspend=2 Off=3
> value: 0
> 5 link-status:
> flags: enum
> enums: Good=0 Bad=1
> value: 0
> 6 non-desktop:
> flags: immutable range
> values: 0 1
> value: 0
> 4 TILE:
> flags: immutable blob
> blobs:
>
> value:
>
> CRTCs:
> id fb pos size
> 33 35 (0,0) (480x272)
> #0 480x272 59.94 480 482 523 525 272 274 284 286 9000 flags: nhsync,
> nvsync; type: preferred, driver
> props:
> 24 VRR_ENABLED:
> flags: range
> values: 0 1
> value: 0
>
> Planes:
> id crtc fb CRTC x,y x,y gamma size possible crtcs
> 32 33 35 0,0 0,0 0 0x00000001
> formats: XR24 RG16
> props:
> 8 type:
> flags: immutable enum
> enums: Overlay=0 Primary=1 Cursor=2
> value: 1
>
> Frame buffers:
> id size pitch
>
> # gst-launch-1.0 videotestsrc ! kmssink connector-id=31 name=mxsfb-drm

Have you tried adding 'can-scale=false' as kmssink parameter?

Regards,
Gary
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Fabio Estevam

Re: Using kmssink with mxsfb-drm

Hi Gary,

On Wed, Dec 30, 2020 at 5:52 PM Gary Bisson <[hidden email]> wrote:

> Have you tried adding 'can-scale=false' as kmssink parameter?

Thanks for this hint, it does work now :-)

gst-launch-1.0 videotestsrc ! kmssink connector-id=35 name=mxsfb-drm
can-scale=false

Thanks for your help!
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VIKAS NAGARWAL

Re: Using kmssink with mxsfb-drm

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VIKAS NAGARWAL

Re: Using kmssink with mxsfb-drm

In reply to this post by Gary Bisson