Re: [PATCH] gpu: host1x: select CONFIG_DMA_SHARED_BUFFER

From: Arnd Bergmann <arnd@arndb.de>

Linking fails when dma-buf is disabled:

ld.lld: error: undefined symbol: dma_fence_release

quoted

quoted

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referenced by fence.c
               gpu/host1x/fence.o:(host1x_syncpt_fence_enable_signaling) in archive drivers/built-in.a
referenced by fence.c
               gpu/host1x/fence.o:(host1x_fence_signal) in archive drivers/built-in.a
referenced by fence.c
               gpu/host1x/fence.o:(do_fence_timeout) in archive drivers/built-in.a

Fixes: 687db2207b1b ("gpu: host1x: Add DMA fence implementation")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
  drivers/gpu/host1x/Kconfig | 1 +
  1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/host1x/Kconfig b/drivers/gpu/host1x/Kconfig
index 6dab94adf25e..6815b4db17c1 100644
--- a/drivers/gpu/host1x/Kconfig
+++ b/drivers/gpu/host1x/Kconfig

@@ -2,6 +2,7 @@
  config TEGRA_HOST1X
  	tristate "NVIDIA Tegra host1x driver"
  	depends on ARCH_TEGRA || (ARM && COMPILE_TEST)
+	select DMA_SHARED_BUFFER
  	select IOMMU_IOVA
  	help
  	  Driver for the NVIDIA Tegra host1x hardware.