From 1c870dedfd11b7ec812145f4a8bf48eeb75a92e2 Mon Sep 17 00:00:00 2001 From: Cristi Mitrana <31816814+cmitu@users.noreply.github.com> Date: Mon, 6 Jul 2020 15:40:03 +0300 Subject: [PATCH] Remove 'attractmode' as unsupported on KMS/DRM, remove the manual audio config part, since it's not handled by the Audio setup. --- docs/Pi4.md | 12 ++---------- 1 file changed, 2 insertions(+), 10 deletions(-) diff --git a/docs/Pi4.md b/docs/Pi4.md index 1cd412d8..e8586060 100644 --- a/docs/Pi4.md +++ b/docs/Pi4.md @@ -1,5 +1,3 @@ -#Raspberry Pi 4 and Retropie [Draft] - Raspberry Pi 4B specific questions, configurations and differences. ## Which PI 4 model ? @@ -10,7 +8,7 @@ There are currently a few Raspberry Pi 4 models available, differentiated only b ### Connecting a Tv/Monitor -The Pi 4B model has 2 microHDMI ports. It's **strongly** recommended to use the port adjacent to the UCB-C power input (labelled __HDMI0__) to connect your display, since is has sound enabled and supports CEC. +The Pi 4B model has 2 microHDMI ports. It's recommended to use the port adjacent to the UCB-C power input (labelled __HDMI0__) to connect your display, since is has sound enabled by default and it's the only port that supports CEC. **NOTE**: The Pi 0 _miniHDMI_ cables are not usable for the Pi 4B _microHDMI_ ports. @@ -76,12 +74,7 @@ Previous models' GPU memory configuration ([Memory split](Memory-Split.md)) are ####Audio Configuration By default, only the first HDMI (HDMI0) port has audio enabled, so if you plug your TV/Monitor to the 2nd port, audio will not work. - If you'd like to use the 2nd HDMI port specifically, then the following commands will switch the audio output correctly. - - sudo amixer cset numid=3 3 - sudo alsactl store - -**NOTE**: the above configuration with EmulationStation poses an issue when `omxplayer` is used to play video snapshots, so for the moment is recommended to use `vlc` in this specific configuration. + If you'd like to use the 2nd HDMI port, then the use the **Audio** menu in the RetroPie system from EmulationStation to choose it. ####Video drivers/GPU Changes @@ -107,7 +100,6 @@ Key differences from the previous Raspberry Pi models: * Emulators that used directly the legacy proprietary drivers have been re-compiled for KMS support or disabled on the Pi 4. Some examples: - `pcsx_rearmed` - disabled since it's using the legacy GL drivers - - `attractmode` - disabled since it's using the legacy GL drivers - `advmame-1.4` / `advmame-0.39` - disabled because are not properly working with the emulated KMS/DRM framebuffer - `advmame` is compiled and configured with the SDL2 video/input drivers, so it loses the ability to create custom video timings for emulation