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-rw-r--r--drivers/gpu/drm/i915/Kconfig6
-rw-r--r--drivers/gpu/drm/i915/Kconfig.debug1
-rw-r--r--drivers/gpu/drm/i915/Kconfig.unstable21
3 files changed, 28 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/Kconfig b/drivers/gpu/drm/i915/Kconfig
index 3c6d57df262d..ba9595960bbe 100644
--- a/drivers/gpu/drm/i915/Kconfig
+++ b/drivers/gpu/drm/i915/Kconfig
@@ -148,3 +148,9 @@ menu "drm/i915 Profile Guided Optimisation"
depends on DRM_I915
source "drivers/gpu/drm/i915/Kconfig.profile"
endmenu
+
+menu "drm/i915 Unstable Evolution"
+ visible if EXPERT && STAGING && BROKEN
+ depends on DRM_I915
+ source "drivers/gpu/drm/i915/Kconfig.unstable"
+endmenu
diff --git a/drivers/gpu/drm/i915/Kconfig.debug b/drivers/gpu/drm/i915/Kconfig.debug
index eea79125b3ea..80815a5229a1 100644
--- a/drivers/gpu/drm/i915/Kconfig.debug
+++ b/drivers/gpu/drm/i915/Kconfig.debug
@@ -36,6 +36,7 @@ config DRM_I915_DEBUG
select DRM_I915_SELFTEST
select DRM_I915_DEBUG_RUNTIME_PM
select DRM_I915_DEBUG_MMIO
+ select BROKEN # for prototype uAPI
default n
help
Choose this option to turn on extra driver debugging that may affect
diff --git a/drivers/gpu/drm/i915/Kconfig.unstable b/drivers/gpu/drm/i915/Kconfig.unstable
new file mode 100644
index 000000000000..cf151a297ed7
--- /dev/null
+++ b/drivers/gpu/drm/i915/Kconfig.unstable
@@ -0,0 +1,21 @@
+# SPDX-License-Identifier: GPL-2.0-only
+config DRM_I915_UNSTABLE
+ bool "Enable unstable API for early prototype development"
+ depends on EXPERT
+ depends on STAGING
+ depends on BROKEN # should never be enabled by distros!
+ # We use the dependency on !COMPILE_TEST to not be enabled in
+ # allmodconfig or allyesconfig configurations
+ depends on !COMPILE_TEST
+ default n
+ help
+ Enable prototype uAPI under general discussion before they are
+ finalized. Such prototypes may be withdrawn or substantially
+ changed before release. They are only enabled here so that a wide
+ number of interested parties (userspace driver developers) can
+ verify that the uAPI meet their expectations. These uAPI should
+ never be used in production.
+
+ Recommended for driver developers _only_.
+
+ If in the slightest bit of doubt, say "N".