And only declare it if it's to be used.
Fixes the following W=1 kernel build warning(s):
drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_dmcu.h:320:23: warning:
‘abm_gain_stepsize’ defined but not used [-Wunused-const-variable=]
drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_dmcu.h:320:23: warning:
‘abm_gain_stepsize’ defined but not used [-Wunused-const-variable=]
drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_dmcu.h:320:23: warning:
‘abm_gain_stepsize’ defined but not used [-Wunused-const-variable=]
drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_dmcu.h:320:23: warning:
‘abm_gain_stepsize’ defined but not used [-Wunused-const-variable=]
drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_dmcu.h:320:23: warning:
‘abm_gain_stepsize’ defined but not used [-Wunused-const-variable=]
drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_dmcu.h:320:23: warning:
‘abm_gain_stepsize’ defined but not used [-Wunused-const-variable=]
drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_dmcu.h:320:23: warning:
‘abm_gain_stepsize’ defined but not used [-Wunused-const-variable=]
Cc: Harry Wentland <harry.wentl...@amd.com>
Cc: Leo Li <sunpeng...@amd.com>
Cc: Alex Deucher <alexander.deuc...@amd.com>
Cc: "Christian König" <christian.koe...@amd.com>
Cc: David Airlie <airl...@linux.ie>
Cc: Daniel Vetter <dan...@ffwll.ch>
Cc: Mauro Rossi <issor.or...@gmail.com>
Cc: amd-...@lists.freedesktop.org
Cc: dri-de...@lists.freedesktop.org
Signed-off-by: Lee Jones <lee.jo...@linaro.org>
---
drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c | 4 ++++
drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.h | 2 --
2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c
b/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c
index fa2b47d41ee2f..30264fc151a2b 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c
@@ -65,6 +65,10 @@
//Register access policy version
#define mmMP0_SMN_C2PMSG_91 0x1609B
+#if defined(CONFIG_DRM_AMD_DC_DCN)
+static const uint32_t abm_gain_stepsize = 0x0060;
+#endif
+
static bool dce_dmcu_init(struct dmcu *dmcu)
{
// Do nothing
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.h
b/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.h
index 93e7f34d4775e..cefb7f5bf42cc 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.h
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.h
@@ -317,6 +317,4 @@ struct dmcu *dcn21_dmcu_create(
void dce_dmcu_destroy(struct dmcu **dmcu);
-static const uint32_t abm_gain_stepsize = 0x0060;
-
#endif /* _DCE_ABM_H_ */
--
2.25.1
