From 0432015265e6c481dbf2bbee6de319aa5f401562 Mon Sep 17 00:00:00 2001
From: Matt Coster <matt.coster@imgtec.com>
Date: Thu, 26 May 2022 09:45:28 +0100
Subject: [PATCH] pvr: debug: Add documentation for PVR_DEBUG environment
 variable

Signed-off-by: Matt Coster <matt.coster@imgtec.com>
Reviewed-by: Karmjit Mahil <Karmjit.Mahil@imgtec.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/18948>
---
 docs/envvars.rst | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/docs/envvars.rst b/docs/envvars.rst
index aebd996931b37..f2b246a15ccf7 100644
--- a/docs/envvars.rst
+++ b/docs/envvars.rst
@@ -1438,6 +1438,15 @@ Asahi driver environment variables
    ``noopt``
       Disable various backend optimizations.
 
+.. _imagination env-vars:
+
+PowerVR driver environment variables
+------------------------------------------------
+
+:envvar:`PVR_DEBUG`
+    A comma-separated list of debug options. Use `PVR_DEBUG=help` to
+    print a list of available options.
+
 Other Gallium drivers have their own environment variables. These may
 change frequently so the source code should be consulted for details.