diff mbox series

drm/msm: fix link error without CONFIG_DEBUG_FS

Message ID 20200408191458.1260397-1-arnd@arndb.de
State New
Headers show
Series drm/msm: fix link error without CONFIG_DEBUG_FS | expand

Commit Message

Arnd Bergmann April 8, 2020, 7:14 p.m. UTC
I ran into a randconfig link error with debugfs disabled:

arm-linux-gnueabi-ld:
drivers/gpu/drm/msm/msm_gpu.o: in function `should_dump': msm_gpu.c:(.text+0x1cc): undefined reference to `rd_full'

Change the helper to only look at this variable if debugfs is present.

Fixes: e515af8d4a6f ("drm/msm: devcoredump should dump MSM_SUBMIT_BO_DUMP buffers")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

---
 drivers/gpu/drm/msm/msm_gem.h | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

-- 
2.26.0

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Comments

Linus Walleij May 5, 2020, 8:27 a.m. UTC | #1
On Wed, Apr 8, 2020 at 9:15 PM Arnd Bergmann <arnd@arndb.de> wrote:

> I ran into a randconfig link error with debugfs disabled:

>

> arm-linux-gnueabi-ld:

> drivers/gpu/drm/msm/msm_gpu.o: in function `should_dump': msm_gpu.c:(.text+0x1cc): undefined reference to `rd_full'

>

> Change the helper to only look at this variable if debugfs is present.

>

> Fixes: e515af8d4a6f ("drm/msm: devcoredump should dump MSM_SUBMIT_BO_DUMP buffers")

> Signed-off-by: Arnd Bergmann <arnd@arndb.de>


This fixes a compilation error for me on the APQ8060.
Tested-by: Linus Walleij <linus.walleij@linaro.org>


Yours,
Linus Walleij
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Linus Walleij June 9, 2020, 12:48 p.m. UTC | #2
On Tue, May 5, 2020 at 10:27 AM Linus Walleij <linus.walleij@linaro.org> wrote:
> On Wed, Apr 8, 2020 at 9:15 PM Arnd Bergmann <arnd@arndb.de> wrote:

>

> > I ran into a randconfig link error with debugfs disabled:

> >

> > arm-linux-gnueabi-ld:

> > drivers/gpu/drm/msm/msm_gpu.o: in function `should_dump': msm_gpu.c:(.text+0x1cc): undefined reference to `rd_full'

> >

> > Change the helper to only look at this variable if debugfs is present.

> >

> > Fixes: e515af8d4a6f ("drm/msm: devcoredump should dump MSM_SUBMIT_BO_DUMP buffers")

> > Signed-off-by: Arnd Bergmann <arnd@arndb.de>

>

> This fixes a compilation error for me on the APQ8060.

> Tested-by: Linus Walleij <linus.walleij@linaro.org>


Could someone be so kind and apply this fix to the MSM DRM tree?

Yours,
Linus Walleij
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diff mbox series

Patch

diff --git a/drivers/gpu/drm/msm/msm_gem.h b/drivers/gpu/drm/msm/msm_gem.h
index 30584eaf8cc8..eb4aeaf291ea 100644
--- a/drivers/gpu/drm/msm/msm_gem.h
+++ b/drivers/gpu/drm/msm/msm_gem.h
@@ -167,7 +167,10 @@  static inline bool
 should_dump(struct msm_gem_submit *submit, int idx)
 {
 	extern bool rd_full;
-	return rd_full || (submit->bos[idx].flags & MSM_SUBMIT_BO_DUMP);
+	if (IS_ENABLED(CONFIG_DEBUG_FS) && rd_full)
+		return true;
+
+	return submit->bos[idx].flags & MSM_SUBMIT_BO_DUMP;
 }
 
 #endif /* __MSM_GEM_H__ */