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drm/tiny: pixpaper: Fix missing dependency on DRM_GEM_SHMEM_HELPER 

The driver uses drm_gem_shmem_prime_import_no_map() and
drm_gem_shmem_dumb_create(), but the Kconfig currently selects
DRM_GEM_DMA_HELPER instead of DRM_GEM_SHMEM_HELPER. This causes
link failures when DRM_GEM_SHMEM_HELPER is not enabled.

Select DRM_GEM_SHMEM_HELPER to fix the build.

Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202509220320.gfFZjmyg-lkp@intel.com/
Fixes: c9e70639f5 ("drm: tiny: Add support for Mayqueen Pixpaper e-ink panel")
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: LiangCheng Wang <zaq14760@gmail.com>
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://lore.kernel.org/r/20250922-bar-v1-1-b2a1f54ace82@gmail.com
pull/1354/merge
LiangCheng Wang 2025-09-22 10:57:34 +08:00 committed by Thomas Zimmermann
parent 3e6339a19c
commit 0c4932f6dd
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/tiny/Kconfig
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@ -86,7 +86,7 @@ config DRM_PIXPAPER
tristate "DRM support for PIXPAPER display panels"
depends on DRM && SPI
select DRM_CLIENT_SELECTION
select DRM_GEM_DMA_HELPER
select DRM_GEM_SHMEM_HELPER
select DRM_KMS_HELPER
help
DRM driver for the Mayqueen Pixpaper e-ink display panel.