[PATCH 04/11] drm/amd/display: add pp_smu NULL pointer check

Bhawanpreet Lakha Bhawanpreet.Lakha at amd.com
Tue Sep 18 16:09:03 UTC 2018


From: Charlene Liu <charlene.liu at amd.com>

add pp_smu NULL ptr check

Change-Id: Ib810078b1f4ea29d48e197539f3c24bfe7085b75
Signed-off-by: Charlene Liu <charlene.liu at amd.com>
Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin at amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha at amd.com>
---
 drivers/gpu/drm/amd/display/dc/core/dc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 7d9be87140cc..61bb3d52641c 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -1395,7 +1395,7 @@ static void notify_display_count_to_smu(
 	 * sent as part of pplib_apply_display_requirements.
 	 * So just return.
 	 */
-	if (!pp_smu->set_display_count)
+	if (!pp_smu || !pp_smu->set_display_count)
 		return;
 
 	display_count = 0;
-- 
2.14.1



More information about the amd-gfx mailing list