[PATCH] drm/powerplay: Ratelimit PP_ASSERT warnings
Kent Russell
kent.russell at amd.com
Wed Feb 12 14:39:28 UTC 2020
In certain situations the message could be reported dozens-to-hundreds of
times, based on how often the function is called.
E.g. If MCLK DPM, any calls to get/set MCLK will result in a failure
message, potentially flooding dmesg. Ratelimit the warnings to avoid
this flood.
Change-Id: Ib817fd9227e9ffec8f1ed18c5441cbb135bc413b
Signed-off-by: Kent Russell <kent.russell at amd.com>
---
drivers/gpu/drm/amd/powerplay/inc/pp_debug.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/powerplay/inc/pp_debug.h b/drivers/gpu/drm/amd/powerplay/inc/pp_debug.h
index 822cd8b5bf90..cea65093b6ad 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/pp_debug.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/pp_debug.h
@@ -37,7 +37,7 @@
#define PP_ASSERT_WITH_CODE(cond, msg, code) \
do { \
if (!(cond)) { \
- pr_warn("%s\n", msg); \
+ pr_warn_ratelimited("%s\n", msg); \
code; \
} \
} while (0)
@@ -45,7 +45,7 @@
#define PP_ASSERT(cond, msg) \
do { \
if (!(cond)) { \
- pr_warn("%s\n", msg); \
+ pr_warn_ratelimited("%s\n", msg); \
} \
} while (0)
--
2.17.1
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