[PATCH 1/2] drm/amdgpu: Drop CONFIG_BACKLIGHT_CLASS_DEVICE ifdefs

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The DRM_AMDGPU Kconfig code contains:

	select BACKLIGHT_CLASS_DEVICE

So the condition these ifdefs test for is always true, drop them.

Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c          |  6 ------
 drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h          |  4 ----
 drivers/gpu/drm/amd/amdgpu/atombios_encoders.c    | 14 --------------
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 15 +--------------
 4 files changed, 1 insertion(+), 38 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
index 98ac53ee6bb5..130060834b4e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
@@ -66,9 +66,7 @@ struct amdgpu_atif {
 	struct amdgpu_atif_notifications notifications;
 	struct amdgpu_atif_functions functions;
 	struct amdgpu_atif_notification_cfg notification_cfg;
-#if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) || defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
 	struct backlight_device *bd;
-#endif
 	struct amdgpu_dm_backlight_caps backlight_caps;
 };
 
@@ -436,7 +434,6 @@ static int amdgpu_atif_handler(struct amdgpu_device *adev,
 		DRM_DEBUG_DRIVER("ATIF: %d pending SBIOS requests\n", count);
 
 		if (req.pending & ATIF_PANEL_BRIGHTNESS_CHANGE_REQUEST) {
-#if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) || defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
 			if (atif->bd) {
 				DRM_DEBUG_DRIVER("Changing brightness to %d\n",
 						 req.backlight_level);
@@ -447,7 +444,6 @@ static int amdgpu_atif_handler(struct amdgpu_device *adev,
 				 */
 				backlight_device_set_brightness(atif->bd, req.backlight_level);
 			}
-#endif
 		}
 
 		if (req.pending & ATIF_DGPU_DISPLAY_EVENT) {
@@ -849,7 +845,6 @@ int amdgpu_acpi_init(struct amdgpu_device *adev)
 {
 	struct amdgpu_atif *atif = &amdgpu_acpi_priv.atif;
 
-#if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) || defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
 	if (atif->notifications.brightness_change) {
 		if (amdgpu_device_has_dc_support(adev)) {
 #if defined(CONFIG_DRM_AMD_DC)
@@ -876,7 +871,6 @@ int amdgpu_acpi_init(struct amdgpu_device *adev)
 			}
 		}
 	}
-#endif
 	adev->acpi_nb.notifier_call = amdgpu_acpi_event;
 	register_acpi_notifier(&adev->acpi_nb);
 
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
index f80b4838cea1..dbe2904e015b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
@@ -349,15 +349,11 @@ struct amdgpu_mode_info {
 
 #define AMDGPU_MAX_BL_LEVEL 0xFF
 
-#if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) || defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
-
 struct amdgpu_backlight_privdata {
 	struct amdgpu_encoder *encoder;
 	uint8_t negative;
 };
 
-#endif
-
 struct amdgpu_atom_ss {
 	uint16_t percentage;
 	uint16_t percentage_divider;
diff --git a/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c b/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c
index 8158677302fe..e2056fbbc750 100644
--- a/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c
+++ b/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c
@@ -120,8 +120,6 @@ amdgpu_atombios_encoder_set_backlight_level(struct amdgpu_encoder *amdgpu_encode
 	}
 }
 
-#if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) || defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
-
 static u8 amdgpu_atombios_encoder_backlight_level(struct backlight_device *bd)
 {
 	u8 level;
@@ -263,18 +261,6 @@ amdgpu_atombios_encoder_fini_backlight(struct amdgpu_encoder *amdgpu_encoder)
 	}
 }
 
-#else /* !CONFIG_BACKLIGHT_CLASS_DEVICE */
-
-void amdgpu_atombios_encoder_init_backlight(struct amdgpu_encoder *encoder)
-{
-}
-
-void amdgpu_atombios_encoder_fini_backlight(struct amdgpu_encoder *encoder)
-{
-}
-
-#endif
-
 bool amdgpu_atombios_encoder_is_digital(struct drm_encoder *encoder)
 {
 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
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 6def02dec82d..87c1f7190752 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -3868,9 +3868,6 @@ static int amdgpu_dm_mode_config_init(struct amdgpu_device *adev)
 #define AMDGPU_DM_DEFAULT_MAX_BACKLIGHT 255
 #define AUX_BL_DEFAULT_TRANSITION_TIME_MS 50
 
-#if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) ||\
-	defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
-
 static void amdgpu_dm_update_backlight_caps(struct amdgpu_display_manager *dm,
 					    int bl_idx)
 {
@@ -4081,7 +4078,6 @@ amdgpu_dm_register_backlight_device(struct amdgpu_display_manager *dm)
 	else
 		DRM_DEBUG_DRIVER("DM: Registered Backlight device: %s\n", bl_name);
 }
-#endif
 
 static int initialize_plane(struct amdgpu_display_manager *dm,
 			    struct amdgpu_mode_info *mode_info, int plane_id,
@@ -4127,9 +4123,6 @@ static int initialize_plane(struct amdgpu_display_manager *dm,
 static void register_backlight_device(struct amdgpu_display_manager *dm,
 				      struct dc_link *link)
 {
-#if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) ||\
-	defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
-
 	if ((link->connector_signal & (SIGNAL_TYPE_EDP | SIGNAL_TYPE_LVDS)) &&
 	    link->type != dc_connection_none) {
 		/*
@@ -4145,7 +4138,6 @@ static void register_backlight_device(struct amdgpu_display_manager *dm,
 			dm->num_of_edps++;
 		}
 	}
-#endif
 }
 
 
@@ -6853,15 +6845,12 @@ static void amdgpu_dm_connector_destroy(struct drm_connector *connector)
 	if (aconnector->mst_mgr.dev)
 		drm_dp_mst_topology_mgr_destroy(&aconnector->mst_mgr);
 
-#if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) ||\
-	defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
 	for (i = 0; i < dm->num_of_edps; i++) {
 		if ((link == dm->backlight_link[i]) && dm->backlight_dev[i]) {
 			backlight_device_unregister(dm->backlight_dev[i]);
 			dm->backlight_dev[i] = NULL;
 		}
 	}
-#endif
 
 	if (aconnector->dc_em_sink)
 		dc_sink_release(aconnector->dc_em_sink);
@@ -9925,15 +9914,13 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state)
 	/* Update audio instances for each connector. */
 	amdgpu_dm_commit_audio(dev, state);
 
-#if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) ||		\
-	defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
 	/* restore the backlight level */
 	for (i = 0; i < dm->num_of_edps; i++) {
 		if (dm->backlight_dev[i] &&
 		    (dm->actual_brightness[i] != dm->brightness[i]))
 			amdgpu_dm_backlight_set_level(dm, i, dm->brightness[i]);
 	}
-#endif
+
 	/*
 	 * send vblank event on all events not handled in flip and
 	 * mark consumed event for drm_atomic_helper_commit_hw_done
-- 
2.36.0




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