linux-kernel - Re: mmotm 2021-10-05-19-53 uploaded (drivers/gpu/drm/msm/hdmi/hdmi

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Date:   Wed, 13 Oct 2021 12:54:47 +0200
From:   Arnd Bergmann <arnd@...nel.org>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     Christian König <christian.koenig@....com>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        Randy Dunlap <rdunlap@...radead.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Mark Brown <broonie@...nel.org>,
        Linux FS Devel <linux-fsdevel@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux MM <linux-mm@...ck.org>,
        Linux-Next <linux-next@...r.kernel.org>,
        Michal Hocko <mhocko@...e.cz>, mm-commits@...r.kernel.org,
        Rob Clark <robdclark@...il.com>, Sean Paul <sean@...rly.run>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        freedreno <freedreno@...ts.freedesktop.org>,
        Daniel Vetter <daniel.vetter@...ll.ch>,
        Intel Graphics <intel-gfx@...ts.freedesktop.org>,
        DRI <dri-devel@...ts.freedesktop.org>
Subject: Re: mmotm 2021-10-05-19-53 uploaded (drivers/gpu/drm/msm/hdmi/hdmi_phy.o)

On Thu, Oct 7, 2021 at 11:51 AM Geert Uytterhoeven <geert@...ux-m68k.org> wrote:
> On Wed, Oct 6, 2021 at 9:28 AM Christian König <christian.koenig@....com> wrote:
> > Am 06.10.21 um 09:20 schrieb Stephen Rothwell:
> > > On Tue, 5 Oct 2021 22:48:03 -0700 Randy Dunlap <rdunlap@...radead.org> wrote:
> > >> on i386:
> > >>
> > >> ld: drivers/gpu/drm/msm/hdmi/hdmi_phy.o:(.rodata+0x3f0): undefined reference to `msm_hdmi_phy_8996_cfg'

I ran into the same thing now as well.
E_TEST) && COMMON_CLK
>
> I'd make that:
>
>     -        depends on DRM
>     +       depends on COMMON_CLK && DRM && IOMMU_SUPPORT
>             depends on ARCH_QCOM || SOC_IMX5 || COMPILE_TEST
>     -        depends on IOMMU_SUPPORT
>     -       depends on (OF && COMMON_CLK) || COMPILE_TEST
>     +       depends on OF || COMPILE_TEST
>
> to keep a better separation between hard and soft dependencies.
>
> Note that the "depends on OF || COMPILE_TEST" can even be
> deleted, as the dependency on ARCH_QCOM || SOC_IMX5 implies OF.

Looks good to me, I would also drop that last line in this case, and maybe
add this change as building without COMMON_CLK is no longer possible:

diff --git a/drivers/gpu/drm/msm/Makefile b/drivers/gpu/drm/msm/Makefile
index 904535eda0c4..a5d87e03812f 100644
--- a/drivers/gpu/drm/msm/Makefile
+++ b/drivers/gpu/drm/msm/Makefile
@@ -116,10 +116,10 @@ msm-$(CONFIG_DRM_MSM_DP)+= dp/dp_aux.o \
  dp/dp_power.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_FBDEV_EMULATION) += msm_fbdev.o \
+ disp/mdp4/mdp4_lvds_pll.o \
+ hdmi/hdmi_pll_8960.o \
+ hdmi/hdmi_phy_8996.o

 msm-$(CONFIG_DRM_MSM_HDMI_HDCP) += hdmi/hdmi_hdcp.o

Has anyone submitted a patch already, or should I send the version
that I am using locally now?

        Arnd