[PATCH 2/2] drm/amd/display: Remove unused NUM_ELEMENTS macros

Linus Probert
2026-04-03T09:29:16Z

Removes unused NUM_ELEMENTS macros. Discovered while removing cases
where ARRAY_SIZE from the header <linus/array_size.h> can be used.
This also aligns with the array_size.cocci coccinelle check.

Suggested-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: Linus Probert <linus.probert@gmail.com>
---
drivers/gpu/drm/amd/display/dc/dpp/dcn10/dcn10_dpp_cm.c | 3 ---
drivers/gpu/drm/amd/display/dc/dpp/dcn401/dcn401_dpp_cm.c | 3 ---
drivers/gpu/drm/amd/display/dc/mpc/dcn20/dcn20_mpc.c | 2 --
drivers/gpu/drm/amd/display/dc/mpc/dcn30/dcn30_mpc.c | 4 ----
4 files changed, 12 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dpp/dcn10/dcn10_dpp_cm.c b/drivers/gpu/drm/amd/display/dc/dpp/dcn10/dcn10_dpp_cm.c
index f8f6019d8304..2bdd063cc1e1 100644
--- a/drivers/gpu/drm/amd/display/dc/dpp/dcn10/dcn10_dpp_cm.c
+++ b/drivers/gpu/drm/amd/display/dc/dpp/dcn10/dcn10_dpp_cm.c
@@ -49,9 +49,6 @@
#define FN(reg_name, field_name) \
dpp->tf_shift->field_name, dpp->tf_mask->field_name

-#define NUM_ELEMENTS(a) (sizeof(a) / sizeof((a)[0]))
-
-
enum dcn10_coef_filter_type_sel {
SCL_COEF_LUMA_VERT_FILTER = 0,
SCL_COEF_LUMA_HORZ_FILTER = 1,
diff --git a/drivers/gpu/drm/amd/display/dc/dpp/dcn401/dcn401_dpp_cm.c b/drivers/gpu/drm/amd/display/dc/dpp/dcn401/dcn401_dpp_cm.c
index 62bf7cea21d8..7b7a0c660d47 100644
--- a/drivers/gpu/drm/amd/display/dc/dpp/dcn401/dcn401_dpp_cm.c
+++ b/drivers/gpu/drm/amd/display/dc/dpp/dcn401/dcn401_dpp_cm.c
@@ -49,9 +49,6 @@
#define FN(reg_name, field_name) \
dpp->tf_shift->field_name, dpp->tf_mask->field_name

-#define NUM_ELEMENTS(a) (sizeof(a) / sizeof((a)[0]))
-
-
enum dcn401_coef_filter_type_sel {
SCL_COEF_LUMA_VERT_FILTER = 0,
SCL_COEF_LUMA_HORZ_FILTER = 1,
diff --git a/drivers/gpu/drm/amd/display/dc/mpc/dcn20/dcn20_mpc.c b/drivers/gpu/drm/amd/display/dc/mpc/dcn20/dcn20_mpc.c
index ea73473b970a..fa600593f4c1 100644
--- a/drivers/gpu/drm/amd/display/dc/mpc/dcn20/dcn20_mpc.c
+++ b/drivers/gpu/drm/amd/display/dc/mpc/dcn20/dcn20_mpc.c
@@ -43,8 +43,6 @@
#define FN(reg_name, field_name) \
mpc20->mpc_shift->field_name, mpc20->mpc_mask->field_name

-#define NUM_ELEMENTS(a) (sizeof(a) / sizeof((a)[0]))
-
void mpc2_update_blending(
struct mpc *mpc,
struct mpcc_blnd_cfg *blnd_cfg,
diff --git a/drivers/gpu/drm/amd/display/dc/mpc/dcn30/dcn30_mpc.c b/drivers/gpu/drm/amd/display/dc/mpc/dcn30/dcn30_mpc.c
index 6bfd2c1294e5..ec2181d9f20b 100644
--- a/drivers/gpu/drm/amd/display/dc/mpc/dcn30/dcn30_mpc.c
+++ b/drivers/gpu/drm/amd/display/dc/mpc/dcn30/dcn30_mpc.c
@@ -40,10 +40,6 @@
#define FN(reg_name, field_name) \
mpc30->mpc_shift->field_name, mpc30->mpc_mask->field_name

-
-#define NUM_ELEMENTS(a) (sizeof(a) / sizeof((a)[0]))
-
-
void mpc3_mpc_init(struct mpc *mpc)
{
struct dcn30_mpc *mpc30 = TO_DCN30_MPC(mpc);
--
2.53.0