[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

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

On 9/27/21 12:36 PM, Arnd Bergmann wrote:

Thanks!

Reviewed-by: Mikko Perttunen <mperttunen@nvidia.com>

On Mon, Sep 27, 2021 at 11:36:59AM +0200, Arnd Bergmann wrote:

From: Arnd Bergmann <arnd@arndb.de>

Linking fails when dma-buf is disabled:

ld.lld: error: undefined symbol: dma_fence_release

quoted

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(+)

Applied, thanks.

Thierry