linux-kernel - [PATCH v2 -next] drm/xe: Fix unmet direct dependencies warning

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Message-ID: <20250323114103.1960511-1-yuehaibing@huawei.com>
Date: Sun, 23 Mar 2025 19:41:03 +0800
From: Yue Haibing <yuehaibing@...wei.com>
To: <lucas.demarchi@...el.com>, <thomas.hellstrom@...ux.intel.com>,
	<rodrigo.vivi@...el.com>, <airlied@...il.com>, <simona@...ll.ch>,
	<maarten.lankhorst@...ux.intel.com>
CC: <intel-xe@...ts.freedesktop.org>, <dri-devel@...ts.freedesktop.org>,
	<linux-kernel@...r.kernel.org>, <yuehaibing@...wei.com>
Subject: [PATCH v2 -next] drm/xe: Fix unmet direct dependencies warning

WARNING: unmet direct dependencies detected for FB_IOMEM_HELPERS
  Depends on [n]: HAS_IOMEM [=y] && FB_CORE [=n]
  Selected by [m]:
  - DRM_XE_DISPLAY [=y] && HAS_IOMEM [=y] && DRM [=m] && DRM_XE [=m] && DRM_XE [=m]=m [=m] && HAS_IOPORT [=y]

DRM_XE_DISPLAY requires FB_IOMEM_HELPERS, but the dependency FB_CORE is
missing, selecting FB_IOMEM_HELPERS if DRM_FBDEV_EMULATION is set as
other drm drivers.

Fixes: 44e694958b95 ("drm/xe/display: Implement display support")
Signed-off-by: Yue Haibing <yuehaibing@...wei.com>
---
v2: select FB_IOMEM_HELPERS if DRM_FBDEV_EMULATION instead of select FB_CORE
---
 drivers/gpu/drm/xe/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/xe/Kconfig b/drivers/gpu/drm/xe/Kconfig
index 7d7995196702..5c2f459a2925 100644
--- a/drivers/gpu/drm/xe/Kconfig
+++ b/drivers/gpu/drm/xe/Kconfig
@@ -53,7 +53,7 @@ config DRM_XE
 config DRM_XE_DISPLAY
 	bool "Enable display support"
 	depends on DRM_XE && DRM_XE=m && HAS_IOPORT
-	select FB_IOMEM_HELPERS
+	select FB_IOMEM_HELPERS if DRM_FBDEV_EMULATION
 	select I2C
 	select I2C_ALGOBIT
 	default y
-- 
2.34.1