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readme: update egl regression info #246

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Sep 26, 2023
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readme: update egl regression info #246

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8 changes: 7 additions & 1 deletion README.md
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Expand Up @@ -12,9 +12,11 @@ This is an VA-API implementation that uses NVDEC as a backend. This implementati
- [Building](#building)
- [Removal](#removal)
- [Configuration](#configuration)
- [Upstream regressions](#upstream-regressions)
- [Kernel parameters](#kernel-parameters)
- [Environment Variables](#environment-variables)
- [Firefox](#firefox)
- [Chrome](#chrome)
- [MPV](#mpv)
- [Direct Backend](#direct-backend)
- [Testing](#testing)
Expand Down Expand Up @@ -84,7 +86,11 @@ By default the driver installs itself as `/usr/lib64/dri/nvidia_drv_video.so` (t

# Configuration

**IMPORTANT**: The [direct backend](#direct-backend) is currently required on NVIDIA driver series 525 due to a regression (see [issue #126](/../../issues/126)).
## Upstream regressions

The EGL backend is broken on driver versions 525 or later due to a regression. Users running these drivers should use the [direct backend](#direct-backend) instead.

For more information read the [upstream bug report](https://forums.developer.nvidia.com/t/cueglstreamproducerconnect-returns-error-801-on-525-53-driver/233610) or [issue #126](/../../issues/126).

## Kernel parameters

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