Re: [PATCH] drm: msm: fix building without CONFIG_COMMON_CLK

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Am 13.10.21 um 16:42 schrieb Arnd Bergmann:
From: Arnd Bergmann <arnd@xxxxxxxx>

When CONFIG_COMMON_CLOCK is disabled, the 8996 specific
phy code is left out, which results in a link failure:

ld: drivers/gpu/drm/msm/hdmi/hdmi_phy.o:(.rodata+0x3f0): undefined reference to `msm_hdmi_phy_8996_cfg'

This was only exposed after it became possible to build
test the driver without the clock interfaces.

Make COMMON_CLK a hard dependency for compile testing,
and simplify it a little based on that.

Fixes: b3ed524f84f5 ("drm/msm: allow compile_test on !ARM")
Reported-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Suggested-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
---
  drivers/gpu/drm/msm/Kconfig  | 2 +-
  drivers/gpu/drm/msm/Makefile | 6 +++---
  2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/msm/Kconfig b/drivers/gpu/drm/msm/Kconfig
index f5107b6ded7b..cb204912e0f4 100644
--- a/drivers/gpu/drm/msm/Kconfig
+++ b/drivers/gpu/drm/msm/Kconfig
@@ -4,8 +4,8 @@ config DRM_MSM
  	tristate "MSM DRM"
  	depends on DRM
  	depends on ARCH_QCOM || SOC_IMX5 || COMPILE_TEST
+	depends on COMMON_CLK
  	depends on IOMMU_SUPPORT

We also need a "depends on MMU" here because some automated test is now trying to compile the driver on parisc as well.

I have absolutely no idea how a platform can have IOMMU but no MMU support but it indeed seems to be the case here.

Regards,
Christian.

-	depends on (OF && COMMON_CLK) || COMPILE_TEST
  	depends on QCOM_OCMEM || QCOM_OCMEM=n
  	depends on QCOM_LLCC || QCOM_LLCC=n
  	depends on QCOM_COMMAND_DB || QCOM_COMMAND_DB=n
diff --git a/drivers/gpu/drm/msm/Makefile b/drivers/gpu/drm/msm/Makefile
index 904535eda0c4..bbee22b54b0c 100644
--- a/drivers/gpu/drm/msm/Makefile
+++ b/drivers/gpu/drm/msm/Makefile
@@ -23,8 +23,10 @@ msm-y := \
  	hdmi/hdmi_i2c.o \
  	hdmi/hdmi_phy.o \
  	hdmi/hdmi_phy_8960.o \
+	hdmi/hdmi_phy_8996.o \
  	hdmi/hdmi_phy_8x60.o \
  	hdmi/hdmi_phy_8x74.o \
+	hdmi/hdmi_pll_8960.o \
  	edp/edp.o \
  	edp/edp_aux.o \
  	edp/edp_bridge.o \
@@ -37,6 +39,7 @@ msm-y := \
  	disp/mdp4/mdp4_dtv_encoder.o \
  	disp/mdp4/mdp4_lcdc_encoder.o \
  	disp/mdp4/mdp4_lvds_connector.o \
+	disp/mdp4/mdp4_lvds_pll.o \
  	disp/mdp4/mdp4_irq.o \
  	disp/mdp4/mdp4_kms.o \
  	disp/mdp4/mdp4_plane.o \
@@ -117,9 +120,6 @@ msm-$(CONFIG_DRM_MSM_DP)+= dp/dp_aux.o \
  	dp/dp_audio.o
msm-$(CONFIG_DRM_FBDEV_EMULATION) += msm_fbdev.o
-msm-$(CONFIG_COMMON_CLK) += disp/mdp4/mdp4_lvds_pll.o
-msm-$(CONFIG_COMMON_CLK) += hdmi/hdmi_pll_8960.o
-msm-$(CONFIG_COMMON_CLK) += hdmi/hdmi_phy_8996.o
msm-$(CONFIG_DRM_MSM_HDMI_HDCP) += hdmi/hdmi_hdcp.o




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