On Sun, Mar 23, 2025 at 07:41:03PM +0800, Yue Haibing wrote:
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 <yuehaib...@huawei.com>

Reviewed-by: Lucas De Marchi <lucas.demar...@intel.com>

I will apply it soon to drm-xe-next.

thanks
Lucas De Marchi

---
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

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