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From f06c43e6131a531e7518419117bef4ab69951975 Mon Sep 17 00:00:00 2001
From: Anthony Koo <Anthony.Koo@amd.com>
Date: Fri, 6 Apr 2018 12:07:19 -0400
Subject: [PATCH 4211/5725] drm/amd/display: Do not create memory allocation if
stats not enabled
Signed-off-by: Anthony Koo <Anthony.Koo@amd.com>
Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
---
drivers/gpu/drm/amd/display/modules/stats/stats.c | 26 +++++++++++++----------
1 file changed, 15 insertions(+), 11 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/modules/stats/stats.c b/drivers/gpu/drm/amd/display/modules/stats/stats.c
index ed5f680..48e0219 100644
--- a/drivers/gpu/drm/amd/display/modules/stats/stats.c
+++ b/drivers/gpu/drm/amd/display/modules/stats/stats.c
@@ -115,18 +115,22 @@ struct mod_stats *mod_stats_create(struct dc *dc)
®_data, sizeof(unsigned int), &flag))
core_stats->enabled = reg_data;
- core_stats->entries = DAL_STATS_ENTRIES_REGKEY_DEFAULT;
- if (dm_read_persistent_data(dc->ctx, NULL, NULL,
- DAL_STATS_ENTRIES_REGKEY,
- ®_data, sizeof(unsigned int), &flag)) {
- if (reg_data > DAL_STATS_ENTRIES_REGKEY_MAX)
- core_stats->entries = DAL_STATS_ENTRIES_REGKEY_MAX;
- else
- core_stats->entries = reg_data;
- }
+ if (core_stats->enabled) {
+ core_stats->entries = DAL_STATS_ENTRIES_REGKEY_DEFAULT;
+ if (dm_read_persistent_data(dc->ctx, NULL, NULL,
+ DAL_STATS_ENTRIES_REGKEY,
+ ®_data, sizeof(unsigned int), &flag)) {
+ if (reg_data > DAL_STATS_ENTRIES_REGKEY_MAX)
+ core_stats->entries = DAL_STATS_ENTRIES_REGKEY_MAX;
+ else
+ core_stats->entries = reg_data;
+ }
- core_stats->time = kzalloc(sizeof(struct stats_time_cache) * core_stats->entries,
- GFP_KERNEL);
+ core_stats->time = kzalloc(sizeof(struct stats_time_cache) * core_stats->entries,
+ GFP_KERNEL);
+ } else {
+ core_stats->entries = 0;
+ }
if (core_stats->time == NULL)
goto fail_construct;
--
2.7.4
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