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drm/amd/display: Do not create memory allocation if stats not enabled

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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>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Anthony Koo 2018-04-06 12:07:19 -04:00 committed by Alex Deucher
parent 339cc82ae6
commit c4b0faae71
1 changed files with 15 additions and 11 deletions
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26
drivers/gpu/drm/amd/display/modules/stats/stats.c
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@ -115,18 +115,22 @@ struct mod_stats *mod_stats_create(struct dc *dc)
&reg_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,
&reg_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,
&reg_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;