From: Aurabindo Pillai <aurabindo.pillai@xxxxxxx>
MAX/MIN macros maybe defined already, hence add a guard around them to
prevent errors that complain about redefinition like:
drivers/gpu/drm/amd/amdgpu/../dal-dev/modules/hdcp/hdcp_ddc.c:31: error: "MIN" redefined [-Werror]
31 | #define MIN(a, b) ((a) < (b) ? (a) : (b))
|
In file included from ./include/linux/kernel.h:28,
from ./include/linux/cpumask.h:11,
from ./include/linux/smp.h:13,
from ./include/linux/lockdep.h:14,
from ./include/linux/spinlock.h:63,
from ./include/linux/mmzone.h:8,
from ./include/linux/gfp.h:7,
from ./include/linux/slab.h:16,
from drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:37,
from drivers/gpu/drm/amd/amdgpu/../display/modules/inc/mod_hdcp.h:29,
from drivers/gpu/drm/amd/amdgpu/../display/modules/hdcp/hdcp.h:29,
from drivers/gpu/drm/amd/amdgpu/../display/modules/hdcp/hdcp_ddc.c:29:
./include/linux/minmax.h:329: note: this is the location of the previous definition
329 | #define MIN(a,b) __cmp(min,a,b)
|
cc1: all warnings being treated as errors
Reviewed-by: Sun peng Li <sunpeng.li@xxxxxxx>
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@xxxxxxx>
Signed-off-by: Roman Li <roman.li@xxxxxxx>
Tested-by: Daniel Wheeler <daniel.wheeler@xxxxxxx>
---
drivers/gpu/drm/amd/display/dc/core/dc_stream.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
index 701b7e4f2920..e8134c47fe0d 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
@@ -37,6 +37,8 @@
#define DC_LOGGER dc->ctx->logger
#ifndef MIN
#define MIN(X, Y) ((X) < (Y) ? (X) : (Y))
+#endif
+#ifndef MAX
#define MAX(x, y) ((x > y) ? x : y)
#endif
--
2.34.1
