Thread (3 messages) flat view 3 messages, 3 authors, 2021-10-07
STALE1804d

[PATCH] gpu: host1x: select CONFIG_DMA_SHARED_BUFFER

From: Arnd Bergmann <arnd@kernel.org>
Date: 2021-09-27 09:37:14
Also in: dri-devel, lkml
Subsystem: drm drivers, drm drivers for nvidia tegra, the rest · Maintainers: David Airlie, Simona Vetter, Thierry Reding, Mikko Perttunen, Linus Torvalds

From: Arnd Bergmann <arnd@arndb.de>

Linking fails when dma-buf is disabled:

ld.lld: error: undefined symbol: dma_fence_release
quoted
quoted
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.
-- 
2.29.2
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