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drm/powerplay: Ratelimit PP_ASSERT warnings

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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.

Signed-off-by: Kent Russell <kent.russell@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Kent Russell
2020-02-12 09:33:13 -05:00
committed by Alex Deucher
parent 79275af61e
commit 00151afc6f
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/amd/powerplay/inc/pp_debug.h
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@@ -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)