From: Lyude Paul <lyude@redhat.com>
To: nouveau@lists.freedesktop.org
Cc: kernel test robot <lkp@intel.com>,
David Airlie <airlied@linux.ie>,
open list <linux-kernel@vger.kernel.org>,
"open list:DRM DRIVER FOR NVIDIA GEFORCE/QUADRO GPUS"
<dri-devel@lists.freedesktop.org>,
Ben Skeggs <bskeggs@redhat.com>
Subject: [PATCH] drm/nouveau/kms/nv50-: Fix CRC-related compile errors with debugfs disabled
Date: Mon, 20 Jul 2020 16:56:56 -0400 [thread overview]
Message-ID: <20200720205659.296879-1-lyude@redhat.com> (raw)
Looks like I made the mistake of forgetting to check whether or not this
would build without CONFIG_DEBUG_FS, as the Kbuild bot reported some
issues building with tegra_defconfig:
In file included from drivers/gpu/drm/nouveau/nouveau_display.c:47:
./drivers/gpu/drm/nouveau/dispnv50/crc.h: In function
‘nv50_head_crc_late_register’:
./drivers/gpu/drm/nouveau/dispnv50/crc.h:106:47: error: parameter name
omitted
106 | static inline int nv50_head_crc_late_register(struct nv50_head *) {}
| ^~~~~~~~~~~~~~~~~~
./drivers/gpu/drm/nouveau/dispnv50/crc.h:106:54: warning: no return
statement in function returning non-void [-Wreturn-type]
106 | static inline int nv50_head_crc_late_register(struct nv50_head *) {}
| ^~~~~~~~~
./drivers/gpu/drm/nouveau/dispnv50/crc.h: In function
‘nv50_crc_handle_vblank’:
./drivers/gpu/drm/nouveau/dispnv50/crc.h:108:57: warning: ‘return’ with
a value, in function returning void [-Wreturn-type]
108 | nv50_crc_handle_vblank(struct nv50_head *head) { return 0; }
| ^
./drivers/gpu/drm/nouveau/dispnv50/crc.h:108:1: note: declared here
108 | nv50_crc_handle_vblank(struct nv50_head *head) { return 0; }
| ^~~~~~~~~~~~~~~~~~~~~~
./drivers/gpu/drm/nouveau/dispnv50/crc.h: In function
‘nv50_crc_atomic_check’:
./drivers/gpu/drm/nouveau/dispnv50/crc.h:111:23: error: parameter name
omitted
111 | nv50_crc_atomic_check(struct nv50_head *, struct nv50_head_atom *,
| ^~~~~~~~~~~~~~~~~~
./drivers/gpu/drm/nouveau/dispnv50/crc.h:111:43: error: parameter name
omitted
111 | nv50_crc_atomic_check(struct nv50_head *, struct nv50_head_atom *,
| ^~~~~~~~~~~~~~~~~~~~~~~
./drivers/gpu/drm/nouveau/dispnv50/crc.h:112:9: error: parameter name
omitted
112 | struct nv50_head_atom *) {}
| ^~~~~~~~~~~~~~~~~~~~~~~
./drivers/gpu/drm/nouveau/dispnv50/crc.h:112:16: warning: no return
statement in function returning non-void [-Wreturn-type]
112 | struct nv50_head_atom *) {}
| ^~~~~~~~~~~~~~
./drivers/gpu/drm/nouveau/dispnv50/crc.h: In function
‘nv50_crc_atomic_stop_reporting’:
./drivers/gpu/drm/nouveau/dispnv50/crc.h:114:32: error: parameter name
omitted
114 | nv50_crc_atomic_stop_reporting(struct drm_atomic_state *) {}
| ^~~~~~~~~~~~~~~~~~~~~~~~~
./drivers/gpu/drm/nouveau/dispnv50/crc.h: In function
‘nv50_crc_atomic_prepare_notifier_contexts’:
./drivers/gpu/drm/nouveau/dispnv50/crc.h:116:43: error: parameter name
omitted
116 | nv50_crc_atomic_prepare_notifier_contexts(struct drm_atomic_state *) {}
| ^~~~~~~~~~~~~~~~~~~~~~~~~
./drivers/gpu/drm/nouveau/dispnv50/crc.h: In function
‘nv50_crc_atomic_start_reporting’:
./drivers/gpu/drm/nouveau/dispnv50/crc.h:118:33: error: parameter name
omitted
118 | nv50_crc_atomic_start_reporting(struct drm_atomic_state *) {}
| ^~~~~~~~~~~~~~~~~~~~~~~~~
./drivers/gpu/drm/nouveau/dispnv50/crc.h: In function
‘nv50_crc_atomic_set’:
./drivers/gpu/drm/nouveau/dispnv50/crc.h:120:21: error: parameter name
omitted
120 | nv50_crc_atomic_set(struct nv50_head *, struct nv50_head_atom *) {}
| ^~~~~~~~~~~~~~~~~~
./drivers/gpu/drm/nouveau/dispnv50/crc.h:120:41: error: parameter name
omitted
120 | nv50_crc_atomic_set(struct nv50_head *, struct nv50_head_atom *) {}
| ^~~~~~~~~~~~~~~~~~~~~~~
./drivers/gpu/drm/nouveau/dispnv50/crc.h: In function
‘nv50_crc_atomic_clr’:
./drivers/gpu/drm/nouveau/dispnv50/crc.h:122:21: error: parameter name
omitted
122 | nv50_crc_atomic_clr(struct nv50_head *) {}
| ^~~~~~~~~~~~~~~~~~
drivers/gpu/drm/nouveau/nouveau_display.c: In function
‘nouveau_framebuffer_new’:
drivers/gpu/drm/nouveau/nouveau_display.c:286:15: warning: variable
‘width’ set but not used [-Wunused-but-set-variable]
286 | unsigned int width, height, i;
| ^~~~~
So, fix the inline function declarations we use in
drm/drivers/gpu/drm/nouveau/dispnv50/crc.h when CONFIG_DEBUG_FS is
enabled.
Fixes: 12885ecbfe62 ("drm/nouveau/kms/nvd9-: Add CRC support")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Lyude Paul <lyude@redhat.com>
---
drivers/gpu/drm/nouveau/dispnv50/crc.h | 23 ++++++++++++-----------
1 file changed, 12 insertions(+), 11 deletions(-)
diff --git a/drivers/gpu/drm/nouveau/dispnv50/crc.h b/drivers/gpu/drm/nouveau/dispnv50/crc.h
index 4bc59e7793151..92df084492a8c 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/crc.h
+++ b/drivers/gpu/drm/nouveau/dispnv50/crc.h
@@ -106,26 +106,27 @@ struct nv50_crc_atom {};
#define nv50_crc_set_source NULL
static inline void nv50_crc_init(struct drm_device *dev) {}
-static inline int nv50_head_crc_late_register(struct nv50_head *) {}
-static inline void
-nv50_crc_handle_vblank(struct nv50_head *head) { return 0; }
+static inline int
+nv50_head_crc_late_register(struct nv50_head *head) { return 0; }
+static inline void nv50_crc_handle_vblank(struct nv50_head *head) {}
static inline int
-nv50_crc_atomic_check_head(struct nv50_head *, struct nv50_head_atom *,
- struct nv50_head_atom *) {}
+nv50_crc_atomic_check_head(struct nv50_head *head,
+ struct nv50_head_atom *asyh,
+ struct nv50_head_atom *armh) { return 0; }
static inline void nv50_crc_atomic_check_outp(struct nv50_atom *atom) {}
static inline void
-nv50_crc_atomic_stop_reporting(struct drm_atomic_state *) {}
+nv50_crc_atomic_stop_reporting(struct drm_atomic_state *state) {}
static inline void
-nv50_crc_atomic_init_notifier_contexts(struct drm_atomic_state *) {}
+nv50_crc_atomic_init_notifier_contexts(struct drm_atomic_state *state) {}
static inline void
-nv50_crc_atomic_release_notifier_contexts(struct drm_atomic_state *) {}
+nv50_crc_atomic_release_notifier_contexts(struct drm_atomic_state *state) {}
static inline void
-nv50_crc_atomic_start_reporting(struct drm_atomic_state *) {}
+nv50_crc_atomic_start_reporting(struct drm_atomic_state *state) {}
static inline void
-nv50_crc_atomic_set(struct nv50_head *, struct nv50_head_atom *) {}
+nv50_crc_atomic_set(struct nv50_head *head, struct nv50_head_atom *state) {}
static inline void
-nv50_crc_atomic_clr(struct nv50_head *) {}
+nv50_crc_atomic_clr(struct nv50_head *head) {}
#endif /* IS_ENABLED(CONFIG_DEBUG_FS) */
#endif /* !__NV50_CRC_H__ */
--
2.26.2
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