linux-kernel - [PATCH] drm/pl111: Actually fix CONFIG_VEXPRESS

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Date:   Thu,  3 Jun 2021 14:58:19 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Daniel Vetter <daniel@...ll.ch>
Cc:     Kees Cook <keescook@...omium.org>, Emma Anholt <emma@...olt.net>,
        David Airlie <airlied@...ux.ie>,
        dri-devel@...ts.freedesktop.org, Rob Herring <robh@...nel.org>,
        linux-kernel@...r.kernel.org
Subject: [PATCH] drm/pl111: Actually fix CONFIG_VEXPRESS_CONFIG depends

VEXPRESS_CONFIG needs to either be missing, built-in, or modular when
pl111 is modular. Update the Kconfig to reflect the need.

Cc: Emma Anholt <emma@...olt.net>
Cc: David Airlie <airlied@...ux.ie>
Cc: Daniel Vetter <daniel@...ll.ch>
Cc: dri-devel@...ts.freedesktop.org
Fixes: 4dc7c97d04dc ("drm/pl111: depend on CONFIG_VEXPRESS_CONFIG")
Signed-off-by: Kees Cook <keescook@...omium.org>
---
 drivers/gpu/drm/pl111/Kconfig | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/pl111/Kconfig b/drivers/gpu/drm/pl111/Kconfig
index c5210a5bef1b..b84879ca430d 100644
--- a/drivers/gpu/drm/pl111/Kconfig
+++ b/drivers/gpu/drm/pl111/Kconfig
@@ -2,7 +2,8 @@
 config DRM_PL111
 	tristate "DRM Support for PL111 CLCD Controller"
 	depends on DRM
-	depends on VEXPRESS_CONFIG
+	depends on ARM || ARM64 || COMPILE_TEST
+	depends on !VEXPRESS_CONFIG || VEXPRESS_CONFIG=DRM
 	depends on COMMON_CLK
 	select DRM_KMS_HELPER
 	select DRM_KMS_CMA_HELPER
-- 
2.25.1