drm/msm/a6xx: add CONFIG_QCOM_LLCC dependency

Message ID 20210103140407.3917405-1-arnd@kernel.org
State New
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Series
  • drm/msm/a6xx: add CONFIG_QCOM_LLCC dependency
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Commit Message

Arnd Bergmann Jan. 3, 2021, 2:03 p.m.
From: Arnd Bergmann <arnd@arndb.de>


When LLCC support is in a loadable module, the adreno support
cannot be built-in:

aarch64-linux-ld: drivers/gpu/drm/msm/adreno/a6xx_gpu.o: in function `a6xx_gpu_init':
a6xx_gpu.c:(.text+0xe0): undefined reference to `llcc_slice_getd'
a6xx_gpu.c:(.text+0xe0): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `llcc_slice_getd'
aarch64-linux-ld: a6xx_gpu.c:(.text+0xec): undefined reference to `llcc_slice_getd'
a6xx_gpu.c:(.text+0xec): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `llcc_slice_getd'
aarch64-linux-ld: drivers/gpu/drm/msm/adreno/a6xx_gpu.o: in function `a6xx_destroy':
a6xx_gpu.c:(.text+0x274): undefined reference to `llcc_slice_putd'
a6xx_gpu.c:(.text+0x274): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `llcc_slice_putd'
aarch64-linux-ld: a6xx_gpu.c:(.text+0x27c): undefined reference to `llcc_slice_putd'

Add a Kconfig dependency that disallows the broken configuration
but allows all working ones.

Fixes: 474dadb8b0d5 ("drm/msm/a6xx: Add support for using system cache(LLC)")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

---
 drivers/gpu/drm/msm/Kconfig | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

-- 
2.29.2

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Patch

diff --git a/drivers/gpu/drm/msm/Kconfig b/drivers/gpu/drm/msm/Kconfig
index dabb4a1ccdcf..b8e02859fd92 100644
--- a/drivers/gpu/drm/msm/Kconfig
+++ b/drivers/gpu/drm/msm/Kconfig
@@ -7,6 +7,8 @@  config DRM_MSM
 	depends on IOMMU_SUPPORT
 	depends on OF && COMMON_CLK
 	depends on QCOM_OCMEM || QCOM_OCMEM=n
+	depends on QCOM_LLCC || QCOM_LLCC=n
+	depends on QCOM_COMMAND_DB || QCOM_COMMAND_DB=n
 	select IOMMU_IO_PGTABLE
 	select QCOM_MDT_LOADER if ARCH_QCOM
 	select REGULATOR
@@ -15,7 +17,6 @@  config DRM_MSM
 	select SHMEM
 	select TMPFS
 	select QCOM_SCM if ARCH_QCOM
-	select QCOM_COMMAND_DB if ARCH_QCOM
 	select WANT_DEV_COREDUMP
 	select SND_SOC_HDMI_CODEC if SND_SOC
 	select SYNC_FILE