[PATCH] drm/amd/display: Drop unused backlight functions in DM

[Harry Wentland]

These are only ever called for non-DC code.

Signed-off-by: Harry Wentland <harry.wentland at amd.com>
---
 .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c  | 18 ++----------------
 1 file changed, 2 insertions(+), 16 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 004636ead29b..205c62903050 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -1568,18 +1568,6 @@ static void dm_bandwidth_update(struct amdgpu_device *adev)
 	/* TODO: implement later */
 }
 
-static void dm_set_backlight_level(struct amdgpu_encoder *amdgpu_encoder,
-				     u8 level)
-{
-	/* TODO: translate amdgpu_encoder to display_index and call DAL */
-}
-
-static u8 dm_get_backlight_level(struct amdgpu_encoder *amdgpu_encoder)
-{
-	/* TODO: translate amdgpu_encoder to display_index and call DAL */
-	return 0;
-}
-
 static int amdgpu_notify_freesync(struct drm_device *dev, void *data,
 				struct drm_file *filp)
 {
@@ -1654,10 +1642,8 @@ static int amdgpu_notify_freesync(struct drm_device *dev, void *data,
 static const struct amdgpu_display_funcs dm_display_funcs = {
 	.bandwidth_update = dm_bandwidth_update, /* called unconditionally */
 	.vblank_get_counter = dm_vblank_get_counter,/* called unconditionally */
-	.backlight_set_level =
-		dm_set_backlight_level,/* called unconditionally */
-	.backlight_get_level =
-		dm_get_backlight_level,/* called unconditionally */
+	.backlight_set_level = NULL, /* never called for DC */
+	.backlight_get_level = NULL, /* never called for DC */
 	.hpd_sense = NULL,/* called unconditionally */
 	.hpd_set_polarity = NULL, /* called unconditionally */
 	.hpd_get_gpio_reg = NULL, /* VBIOS parsing. DAL does it. */
-- 
2.17.1