diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/4211-drm-amd-display-Do-not-create-memory-allocation-if-s.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/4211-drm-amd-display-Do-not-create-memory-allocation-if-s.patch | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/4211-drm-amd-display-Do-not-create-memory-allocation-if-s.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/4211-drm-amd-display-Do-not-create-memory-allocation-if-s.patch new file mode 100644 index 00000000..c4d533ed --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/4211-drm-amd-display-Do-not-create-memory-allocation-if-s.patch @@ -0,0 +1,54 @@ +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 + |