drm/amd: correct trivial kernel-doc inconsistencies

Silence documentation warnings by correcting kernel-doc comments.

./drivers/gpu/drm/amd/amdgpu/amdgpu_device.c:3388: warning: Excess function parameter 'suspend' description in 'amdgpu_device_suspend'
./drivers/gpu/drm/amd/amdgpu/amdgpu_device.c:3485: warning: Excess function parameter 'resume' description in 'amdgpu_device_resume'
./drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c:418: warning: Excess function parameter 'tbo' description in 'amdgpu_vram_mgr_del'
./drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c:418: warning: Excess function parameter 'place' description in 'amdgpu_vram_mgr_del'
./drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c:279: warning: Excess function parameter 'tbo' description in 'amdgpu_gtt_mgr_del'
./drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c:279: warning: Excess function parameter 'place' description in 'amdgpu_gtt_mgr_del'
./drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:332: warning: Function parameter or member 'hdcp_workqueue' not described in 'amdgpu_display_manager'
./drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:332: warning: Function parameter or member 'cached_dc_state' not described in 'amdgpu_display_manager'
Signed-off-by: Colton Lewis <colton.w.lewis@protonmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_device.c

@@ -3417,7 +3417,6 @@ void amdgpu_device_fini(struct amdgpu_device *adev)
  * amdgpu_device_suspend - initiate device suspend
  *
  * @dev: drm dev pointer
- * @suspend: suspend state
  * @fbcon : notify the fbdev of suspend
  *
  * Puts the hw in the suspend state (all asics).
@@ -3514,7 +3513,6 @@ int amdgpu_device_suspend(struct drm_device *dev, bool fbcon)
  * amdgpu_device_resume - initiate device resume
  *
  * @dev: drm dev pointer
- * @resume: resume state
  * @fbcon : notify the fbdev of resume
  *
  * Bring the hw back to operating state (all asics).

drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c

@@ -268,8 +268,6 @@ static int amdgpu_gtt_mgr_new(struct ttm_mem_type_manager *man,
  * amdgpu_gtt_mgr_del - free ranges
  *
  * @man: TTM memory type manager
- * @tbo: TTM BO we need this range for
- * @place: placement flags and restrictions
  * @mem: TTM memory object
  *
  * Free the allocated GTT again.

drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c

@@ -407,8 +407,6 @@ static int amdgpu_vram_mgr_new(struct ttm_mem_type_manager *man,
  * amdgpu_vram_mgr_del - free ranges
  *
  * @man: TTM memory type manager
- * @tbo: TTM BO we need this range for
- * @place: placement flags and restrictions
  * @mem: TTM memory object
  *
  * Free the allocated VRAM again.

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h

@@ -139,10 +139,12 @@ struct amdgpu_dm_backlight_caps {
  * @backlight_link: Link on which to control backlight
  * @backlight_caps: Capabilities of the backlight device
  * @freesync_module: Module handling freesync calculations
+ * @hdcp_workqueue: AMDGPU content protection queue
  * @fw_dmcu: Reference to DMCU firmware
  * @dmcu_fw_version: Version of the DMCU firmware
  * @soc_bounding_box: SOC bounding box values provided by gpu_info FW
  * @cached_state: Caches device atomic state for suspend/resume
+ * @cached_dc_state: Cached state of content streams
  * @compressor: Frame buffer compression buffer. See &struct dm_comressor_info
  */
 struct amdgpu_display_manager {