From: Arnd Bergmann <arnd@arndb.de>
Date: Mon, 27 Sep 2021 11:36:59 +0200
Subject: gpu: host1x: select CONFIG_DMA_SHARED_BUFFER
Git-commit: 6c7a388b62366f0de9936db3c1921d7f4e0011bc
Patch-mainline: v5.17-rc1
References: jsc#PED-1763
Linking fails when dma-buf is disabled:
ld.lld: error: undefined symbol: dma_fence_release
>>> 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>
Reviewed-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Matthias Brugger <mbrugger@suse.com>
---
drivers/gpu/host1x/Kconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/host1x/Kconfig b/drivers/gpu/host1x/Kconfig
index 6dab94adf25e5..6815b4db17c1b 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.
--
2.37.3