On Tue, Jan 8, 2019 at 9:16 AM Ioana Ciornei <ioana.ciornei@xxxxxxx> wrote:
>
>
> > Subject: [PATCH 2/2] drm/msm/gpu: fix building without debugfs
> >
> > When debugfs is disabled, but coredump is turned on, the adreno driver fails to
> > build:
> >
> > drivers/gpu/drm/msm/adreno/a3xx_gpu.c:460:4: error: 'struct msm_gpu_funcs'
> > has no member named 'show'
> > .show = adreno_show,
> > ^~~~
> > drivers/gpu/drm/msm/adreno/a3xx_gpu.c:460:11: note: (near initialization for
> > 'funcs.base')
> > drivers/gpu/drm/msm/adreno/a3xx_gpu.c:460:11: error: initialization of 'void
> > (*)(struct msm_gpu *, struct msm_gem_submit *, struct msm_file_private *)'
> > from incompatible pointer type 'void (*)(struct msm_gpu *, struct
> > msm_gpu_state *, struct drm_printer *)' [-Werror=incompatible-pointer-types]
> > drivers/gpu/drm/msm/adreno/a3xx_gpu.c:460:11: note: (near initialization for
> > 'funcs.base.submit')
> > drivers/gpu/drm/msm/adreno/a4xx_gpu.c:546:4: error: 'struct msm_gpu_funcs'
> > has no member named 'show'
> > drivers/gpu/drm/msm/adreno/a5xx_gpu.c:1460:4: error: 'struct
> > msm_gpu_funcs' has no member named 'show'
> > drivers/gpu/drm/msm/adreno/a6xx_gpu.c:769:4: error: 'struct msm_gpu_funcs'
> > has no member named 'show'
> > drivers/gpu/drm/msm/msm_gpu.c: In function 'msm_gpu_devcoredump_read':
> > drivers/gpu/drm/msm/msm_gpu.c:289:12: error: 'const struct msm_gpu_funcs'
> > has no member named 'show'
> >
> > Adjust the #ifdef to make it build again.
>
> Was this patch picked up by someone? I am asking this since the compile error can be still seen in 5.0-rc1.
Hmm, looks like I overlooked this thinking it was a resend of an
earlier patch from Arnd with (nearly) the same subject line.
Maybe we can pick this up via drm-misc? I've pushed to msm-next
should fix should show up in linux-next in the near future.
BR,
-R
>
> Ioana
>
> >
> > Fixes: c0fec7f562ec ("drm/msm/gpu: Capture the GPU state on a GPU hang")
> > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> > ---
> > Not sure if this does the right thing, but it does fix the build regression
> > ---
> > drivers/gpu/drm/msm/msm_gpu.h | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpu/drm/msm/msm_gpu.h
> > b/drivers/gpu/drm/msm/msm_gpu.h
> > index 9122ee6e55e4..1fe93920fb25 100644
> > --- a/drivers/gpu/drm/msm/msm_gpu.h
> > +++ b/drivers/gpu/drm/msm/msm_gpu.h
> > @@ -63,7 +63,7 @@ struct msm_gpu_funcs {
> > struct msm_ringbuffer *(*active_ring)(struct msm_gpu *gpu);
> > void (*recover)(struct msm_gpu *gpu);
> > void (*destroy)(struct msm_gpu *gpu);
> > -#ifdef CONFIG_DEBUG_FS
> > +#if defined(CONFIG_DEBUG_FS) || defined(CONFIG_DEV_COREDUMP)
> > /* show GPU status in debugfs: */
> > void (*show)(struct msm_gpu *gpu, struct msm_gpu_state *state,
> > struct drm_printer *p);
> > --
> > 2.18.0
>
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