Raspberry Pi Forums

Vanfanel

Make sure the monitor is plugged into HDMI0 and that it correctly reports audio via it's edid. eg install the edid-decode package and then run edid-decode /sys/class/drm/card1-HDMI-A-1/edid you should see an audio block like this Audio data block Linear PCM, max channels 2 Supported sample rates (k...

Vanfanel

So, is the new KMS HDMI audio device supposed to work in 64bit mode? Or maybe not yet? Thanks! Should do. Make sure you don't have any additional alsa config files. I think the desktop control creates them when switching output device. If you have a "~/.asoundrc" try removing it. I don't have a des...

Vanfanel

@dom: I have come back to Rasperry OS (64bit) after a LONG time using my own custom Debian AARCH64 systems. So, I was surprised that the audio was at last taken to the ARM side too! I have seen that you talk about the new KMS audio driver here: https://www.raspberrypi.org/forums/viewtopic.php?t=2697...

Vanfanel

My aim is to write an application which uses EGL and is shown on Rasperry Pi 4 without X server. There are examples how to use EGL with Mesa drivers and fake KMS driver but they use X11 library (XOpenDisplay and DefaultRootWindow methods to get a display and a window) and do not work without X serv...

Vanfanel

Thanks for your responses, guys.
Yes, we need them for a project where power supply is not going to be the official one.
So, isnt board version printed in the board itself? That was the case for previous Pis.

Vanfanel

Hi there, Long time Pi user here. I have been patiently waiting to get the Pi4 since last year because I do NOT need 4GB (I build my own GNU/Linux systems from scratch and do not use Xorg, which leaves out any of the programs depending on it), I just need a certain quantity of Rpi4 2GB version board...

Vanfanel

Hi there, As I have reported, vc4-hdmi does not seem to work with baremetal ALSA (it has NOTHING to do with 64bit kernels, look: https://github.com/Debian/raspi3-image-spec/issues/12 ), so I want to build my own kernel without it, since it seems that it is not possible to disable it via config.txt, ...

Vanfanel

There is a option in raspi-config under advanced options that can set audio to HDMI or jack (options 7/4) Not sure if that will help or not (come to that it maybe what you have already done :oops: ) Thanks for trying to help me, but that answer has nothing to do with what I'm trying to get here. I ...

Vanfanel

Hi there! I have noticed that adding these to config.txt, I no longer have the lost 1-2 seconds of audio when an audio playback begins: config_hdmi_boos=4 force_hdmi_open=1 However, I am still missing these 1-2 seconds for the FIRST audio playback on the system when I reboot. Is there config.txt com...

Vanfanel

Hi there, I have been trying to get the vc4_hdmi audio to work in my own aarch64 debian system with the latest raspberrypi kernel sources built for aarch64. I am using the vc4 overlay (dtoverlay=vc4-kms-v3d). aplay -l lists the vc4hdmi card as card 0, and if I set dtparam=audio=on on config.txt, the...

Vanfanel

Hi there! I'be been trying for a year to fix this issue. Thing is, I have an Hifiberry card on my Pi setup, where I use the open source VC4 driver stack. That gives me two ALSA cards: snd_rpi_hifiberry_dacplus and vc4-hdmi. It works almost fine, but sometimes alsa-restore.service fails on boot becau...

Vanfanel

When I see this kind of posts, I get the impression that the OP doesn't even know what a Raspberry Pi is

Vanfanel

Hi there, I updated a year ago or so to the VC4 driver and never looked back. However, I need to use accelerated video playback on a project, and I don't want to go back to the closed BRCM stack! So I have built latest MESA (18.1.4 as of today), I am using the latest rpi-update kernel (4.14.54-v7+ a...

Vanfanel

DHCP and dhcpcd.conf are 2 different things, note the extra "cd " in the second one. dhcpcd.conf is were the static IP in now set up on a pi. Dhcpcd is a dhcp client. I don't need it to have a static IP on my GNU/Linux systems. I believe you are trying to help, and I thank you for that, but pointin...

Vanfanel

@DougieLawson: Assigning the same IP on both machines? No, of course not. They have been 192.168.5.7 (Laptop PC running Lubuntu GNU/Linux) and 192.168.5.8 (Raspberry Pi) for years. Also, there's no router involved here. I am talking about direct PC<->Pi ethernet cable connection. It has been working...

Vanfanel

Hi there, I have been using my Pi3 happily for years now. Then I recently decided to update some projects to Pi3b+ boards in search of that small CPU power advantage, but I am finding a very annoying problem regarding ethernet connection. I am using the same sd card on both the Pi3 and the Pi3b+. I ...

Vanfanel

DougieLawson wrote: ↑
Sat Jun 09, 2018 4:22 pm
Source code here: https://mesa3d.org/download.html

Now that's what I was looking for! Seems that libgbm is included with MESA, so building and installin latest MESA also builds and installs latest libgbm! Thanks!

Vanfanel

fruitoftheloom wrote: ↑
Sat Jun 09, 2018 10:47 am

Raspbian Stretch

libgbm1 13.0.6-1

Raspbian Buster & Sid

libgbm1 18.0.5-1

FYI libgbm-dev has libgbm1 as a dependency as per link above...

But I need the sources for the latest libgbm1, not debian's install package for Buster. Do you know where those sources are?

Vanfanel

That's libgbm-dev, not libgbm...

Vanfanel

Hi there; While investigating some strange problems with the KMSDRM driver on SDL2 I have been dealing with for months, I tried to build libgbm from sources. Latest version I could find is this one on Robclark's repo: https://github.com/robclark/libgbm But it's outdated, last commits being from 2012...

Vanfanel

I have some updates on this. Your ideas are good, jahboater, but these segfaults on quit (on delete[] and free functions) seem to be happening on X86_64 too if I use the same SDL2 driver, KMSDRM, which I sent for merging... https://github.com/spurious/SDL-mirror/tree/master/src/video/kmsdrm The prob...

Vanfanel

Thanks, solved. It seems default 6.3.0 it's still using Pi1 flags...

Vanfanel

That's about it. I am building some software on the Pi3 with the latest Raspbian/GCC combination, and I need to know what GCC flags does -march=native produce on the Pi3. I take it should be something like "-O3 -mcpu=cortex-a53 -mfpu=neon-fp-armv8 -mfloat-abi=hard", but I am starting to suspect it's...

Vanfanel

@jahboater: This Valgrind stuff is really crazy. I am running it on X86_64 because the Pi won't start the game in 10 minutes... Too slow for it. ECWolf causes SO MANY warnings that it won't show them all! ==5361== ==5361== More than 10000000 total errors detected. I'm not reporting any more. ==5361=...

Vanfanel

@jamesh: ok, before I go try Valgrind, do you have an indea on what could be wrong on ARM vs X64 on a delete call? There's no threading involved to my knowledge, at least in ECWolf.

Search found 439 matches

Re: Moving Linux Kernel to 5.4

Re: Moving Linux Kernel to 5.4

Re: Moving Linux Kernel to 5.4

Re: Run Application with dispman and EGL without X server on Raspberry Pi 4

Re: Raspberry Pi 4 2GB 1.2 version

Raspberry Pi 4 2GB 1.2 version

Building a kernel without vc4-hdmi ALSA card

Re: Waking up HDMI audio at boot

Waking up HDMI audio at boot

Is the BCM2835 module needed for vc4_hdmi audio to work?

VC4 and secondary sound card: Set ALSA card ordering

Re: I want to play sims4 wit pi

VC4 and MPV accelerated video playback, already possible?

Re: Strange ethernet problem with Pi3+ (doesn't happen in Pi3)

Re: Strange ethernet problem with Pi3+ (doesn't happen in Pi3)

No connection until I do a PING, with Pi3+ (doesn't happen in Pi3)

Re: Where can I find latest libgbm sources?

Re: Where can I find latest libgbm sources?

Re: Where can I find latest libgbm sources?

[SOLVED] Where can I find latest libgbm sources?

Re: Segfaults that only happen on Raspberry Pi and not in X64. What's going on here?

Re: What C/CXX FLAGS does -march=native activate on a Rpi3?

What C/CXX FLAGS does -march=native activate on a Rpi3?

Re: Segfaults that only happen on Raspberry Pi and not in X64. What's going on here?

Re: Segfaults that only happen on Raspberry Pi and not in X64. What's going on here?