[PATCH] drm/amd/display: use NULL instead of using plain integer as pointer

[Haowen Bai]

This fixes the following sparse warnings:
drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dsc/rc_calc_fpu.c:71:40: warning: Using
plain integer as NULL pointer

Signed-off-by: Haowen Bai <baihaowen at meizu.com>
---
 drivers/gpu/drm/amd/display/dc/dml/dsc/rc_calc_fpu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dml/dsc/rc_calc_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dsc/rc_calc_fpu.c
index ec636d0..ef75eb7 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dsc/rc_calc_fpu.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dsc/rc_calc_fpu.c
@@ -68,7 +68,7 @@ static void get_qp_set(qp_set qps, enum colour_mode cm, enum bits_per_comp bpc,
 	int sel = table_hash(mode, bpc, max_min);
 	int table_size = 0;
 	int index;
-	const struct qp_entry *table = 0L;
+	const struct qp_entry *table = NULL;
 
 	// alias enum
 	enum { min = DAL_MM_MIN, max = DAL_MM_MAX };
-- 
2.7.4