Also removing the call to amdgpu_atombios_encoder_get_backlight_level_from_reg()
since, according to Alex Deucher, "We call it again below indirectly".

Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/amd/amdgpu/atombios_encoders.c: In function ‘amdgpu_atombios_encoder_init_backlight’:
 drivers/gpu/drm/amd/amdgpu/atombios_encoders.c:174:5: warning: variable ‘backlight_level’ set but not used [-Wunused-but-set-variable]

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Luben Tuikov <luben.tuikov@amd.com>
Cc: amd-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/radeon/radeon_prime.c:43:24: warning: no previous prototype for ‘radeon_gem_prime_import_sg_table’ [-Wmissing-prototypes]
 43 | struct drm_gem_object *radeon_gem_prime_import_sg_table(struct drm_device *dev,
 | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Gareth Hughes <gareth@valinux.com>
Cc: amd-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/radeon/r600_hdmi.c:177:6: warning: no previous prototype for ‘r600_hdmi_update_acr’ [-Wmissing-prototypes]
 177 | void r600_hdmi_update_acr(struct drm_encoder *encoder, long offset,
 | ^~~~~~~~~~~~~~~~~~~~
 drivers/gpu/drm/radeon/r600_hdmi.c:217:6: warning: no previous prototype for ‘r600_set_avi_packet’ [-Wmissing-prototypes]
 217 | void r600_set_avi_packet(struct radeon_device *rdev, u32 offset,
 | ^~~~~~~~~~~~~~~~~~~
 drivers/gpu/drm/radeon/r600_hdmi.c:314:6: warning: no previous prototype for ‘r600_hdmi_audio_set_dto’ [-Wmissing-prototypes]
 314 | void r600_hdmi_audio_set_dto(struct radeon_device *rdev,
 | ^~~~~~~~~~~~~~~~~~~~~~~
 drivers/gpu/drm/radeon/r600_hdmi.c:340:6: warning: no previous prototype for ‘r600_set_vbi_packet’ [-Wmissing-prototypes]
 340 | void r600_set_vbi_packet(struct drm_encoder *encoder, u32 offset)
 | ^~~~~~~~~~~~~~~~~~~
 drivers/gpu/drm/radeon/r600_hdmi.c:351:6: warning: no previous prototype for ‘r600_set_audio_packet’ [-Wmissing-prototypes]
 351 | void r600_set_audio_packet(struct drm_encoder *encoder, u32 offset)
 | ^~~~~~~~~~~~~~~~~~~~~
 drivers/gpu/drm/radeon/r600_hdmi.c:393:6: warning: no previous prototype for ‘r600_set_mute’ [-Wmissing-prototypes]
 393 | void r600_set_mute(struct drm_encoder *encoder, u32 offset, bool mute)
 | ^~~~~~~~~~~~~
 drivers/gpu/drm/radeon/r600_hdmi.c:469:6: warning: no previous prototype for ‘r600_hdmi_enable’ [-Wmissing-prototypes]
 469 | void r600_hdmi_enable(struct drm_encoder *encoder, bool enable)
 | ^~~~~~~~~~~~~~~~

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: amd-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/radeon/r600_cs.c:2343:5: warning: no previous prototype for ‘r600_dma_cs_next_reloc’ [-Wmissing-prototypes]
 2343 | int r600_dma_cs_next_reloc(struct radeon_cs_parser *p,
 | ^~~~~~~~~~~~~~~~~~~~~~

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: amd-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/radeon/vce_v2_0.c:111:6: warning: no previous prototype for ‘vce_v2_0_enable_mgcg’ [-Wmissing-prototypes]
 111 | void vce_v2_0_enable_mgcg(struct radeon_device *rdev, bool enable)
 | ^~~~~~~~~~~~~~~~~~~~

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Cc: amd-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Cc: linux-media@vger.kernel.org
Cc: linaro-mm-sig@lists.linaro.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/radeon/vce_v1_0.c:102:6: warning: no previous prototype for ‘vce_v1_0_enable_mgcg’ [-Wmissing-prototypes]
 102 | void vce_v1_0_enable_mgcg(struct radeon_device *rdev, bool enable)
 | ^~~~~~~~~~~~~~~~~~~~

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: amd-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/radeon/cik_sdma.c:331:6: warning: no previous prototype for ‘cik_sdma_enable’ [-Wmissing-prototypes]
 331 | void cik_sdma_enable(struct radeon_device *rdev, bool enable)
 | ^~~~~~~~~~~~~~~
 drivers/gpu/drm/radeon/cik_sdma.c:528:5: warning: no previous prototype for ‘cik_sdma_resume’ [-Wmissing-prototypes]
 528 | int cik_sdma_resume(struct radeon_device *rdev)
 | ^~~~~~~~~~~~~~~
 drivers/gpu/drm/radeon/cik_sdma.c:557:6: warning: no previous prototype for ‘cik_sdma_fini’ [-Wmissing-prototypes]
 557 | void cik_sdma_fini(struct radeon_device *rdev)
 | ^~~~~~~~~~~~~

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Cc: amd-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Cc: linux-media@vger.kernel.org
Cc: linaro-mm-sig@lists.linaro.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/radeon/si_dpm.c:3802:4: warning: no previous prototype for ‘si_get_ddr3_mclk_frequency_ratio’ [-Wmissing-prototypes]
 3802 | u8 si_get_ddr3_mclk_frequency_ratio(u32 memory_clock)
 | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 drivers/gpu/drm/radeon/si_dpm.c:3815:4: warning: no previous prototype for ‘si_get_mclk_frequency_ratio’ [-Wmissing-prototypes]
 3815 | u8 si_get_mclk_frequency_ratio(u32 memory_clock, bool strobe_mode)
 | ^~~~~~~~~~~~~~~~~~~~~~~~~~~
 drivers/gpu/drm/radeon/si_dpm.c:3897:6: warning: no previous prototype for ‘si_trim_voltage_table_to_fit_state_table’ [-Wmissing-prototypes]
 3897 | void si_trim_voltage_table_to_fit_state_table(struct radeon_device *rdev,
 | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: amd-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/radeon/cik.c:6413:6: warning: no previous prototype for ‘cik_init_cp_pg_table’ [-Wmissing-prototypes]
 6413 | void cik_init_cp_pg_table(struct radeon_device *rdev)
 | ^~~~~~~~~~~~~~~~~~~~
 drivers/gpu/drm/radeon/cik.c:6670:5: warning: no previous prototype for ‘cik_get_csb_size’ [-Wmissing-prototypes]
 6670 | u32 cik_get_csb_size(struct radeon_device *rdev)
 | ^~~~~~~~~~~~~~~~
 drivers/gpu/drm/radeon/cik.c:6702:6: warning: no previous prototype for ‘cik_get_csb_buffer’ [-Wmissing-prototypes]
 6702 | void cik_get_csb_buffer(struct radeon_device *rdev, volatile u32 *buffer)
 | ^~~~~~~~~~~~~~~~~~

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: amd-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/radeon/cik.c:4845:5: warning: no previous prototype for ‘cik_gpu_check_soft_reset’ [-Wmissing-prototypes]
 4845 | u32 cik_gpu_check_soft_reset(struct radeon_device *rdev)
 | ^~~~~~~~~~~~~~~~~~~~~~~~

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: amd-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/radeon/si.c:5678:5: warning: no previous prototype for ‘si_get_csb_size’ [-Wmissing-prototypes]
 5678 | u32 si_get_csb_size(struct radeon_device *rdev)
 | ^~~~~~~~~~~~~~~
 drivers/gpu/drm/radeon/si.c:5710:6: warning: no previous prototype for ‘si_get_csb_buffer’ [-Wmissing-prototypes]
 5710 | void si_get_csb_buffer(struct radeon_device *rdev, volatile u32 *buffer)
 | ^~~~~~~~~~~~~~~~~

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: amd-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/radeon/dce6_afmt.c:32:5: warning: no previous prototype for ‘dce6_endpoint_rreg’ [-Wmissing-prototypes]
 32 | u32 dce6_endpoint_rreg(struct radeon_device *rdev,
 | ^~~~~~~~~~~~~~~~~~
 drivers/gpu/drm/radeon/dce6_afmt.c:46:6: warning: no previous prototype for ‘dce6_endpoint_wreg’ [-Wmissing-prototypes]
 46 | void dce6_endpoint_wreg(struct radeon_device *rdev,
 | ^~~~~~~~~~~~~~~~~~
 drivers/gpu/drm/radeon/dce6_afmt.c:110:6: warning: no previous prototype for ‘dce6_afmt_select_pin’ [-Wmissing-prototypes]
 110 | void dce6_afmt_select_pin(struct drm_encoder *encoder)
 | ^~~~~~~~~~~~~~~~~~~~
 drivers/gpu/drm/radeon/dce6_afmt.c:123:6: warning: no previous prototype for ‘dce6_afmt_write_latency_fields’ [-Wmissing-prototypes]
 123 | void dce6_afmt_write_latency_fields(struct drm_encoder *encoder,
 | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 drivers/gpu/drm/radeon/dce6_afmt.c:152:6: warning: no previous prototype for ‘dce6_afmt_hdmi_write_speaker_allocation’ [-Wmissing-prototypes]
 152 | void dce6_afmt_hdmi_write_speaker_allocation(struct drm_encoder *encoder,
 | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 drivers/gpu/drm/radeon/dce6_afmt.c:177:6: warning: no previous prototype for ‘dce6_afmt_dp_write_speaker_allocation’ [-Wmissing-prototypes]
 177 | void dce6_afmt_dp_write_speaker_allocation(struct drm_encoder *encoder,
 | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 drivers/gpu/drm/radeon/dce6_afmt.c:202:6: warning: no previous prototype for ‘dce6_afmt_write_sad_regs’ [-Wmissing-prototypes]
 202 | void dce6_afmt_write_sad_regs(struct drm_encoder *encoder,
 | ^~~~~~~~~~~~~~~~~~~~~~~~
 drivers/gpu/drm/radeon/dce6_afmt.c:268:6: warning: no previous prototype for ‘dce6_hdmi_audio_set_dto’ [-Wmissing-prototypes]
 268 | void dce6_hdmi_audio_set_dto(struct radeon_device *rdev,
 | ^~~~~~~~~~~~~~~~~~~~~~~
 drivers/gpu/drm/radeon/dce6_afmt.c:287:6: warning: no previous prototype for ‘dce6_dp_audio_set_dto’ [-Wmissing-prototypes]
 287 | void dce6_dp_audio_set_dto(struct radeo_device *rdev,
 | ^~~~~~~~~~~~~~~~~~~~~

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Slava Grigorev <slava.grigorev@amd.com>
Cc: amd-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/radeon/rv770_dpm.c:62:30: warning: no previous prototype for ‘evergreen_get_pi’ [-Wmissing-prototypes]
 62 | struct evergreen_power_info *evergreen_get_pi(struct radeon_device *rdev)
 | ^~~~~~~~~~~~~~~~

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: amd-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/radeon/si.c:4186:6: warning: no previous prototype for ‘si_vram_gtt_location’ [-Wmissing-prototypes]
 4186 | void si_vram_gtt_location(struct radeon_device *rdev,
 | ^~~~~~~~~~~~~~~~~~~~
 drivers/gpu/drm/radeon/si.c:5186:6: warning: no previous prototype for ‘si_init_uvd_internal_cg’ [-Wmissing-prototypes]
 5186 | void si_init_uvd_internal_cg(struct radeon_device *rdev)
 | ^~~~~~~~~~~~~~~~~~~~~~~
 drivers/gpu/drm/radeon/si.c:5801:6: warning: no previous prototype for ‘si_rlc_reset’ [-Wmissing-prototypes]
 5801 | void si_rlc_reset(struct radeon_device *rdev)
 | ^~~~~~~~~~~~

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Cc: amd-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Cc: linux-media@vger.kernel.org
Cc: linaro-mm-sig@lists.linaro.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/radeon/si.c:3768:5: warning: no previous prototype for ‘si_gpu_check_soft_reset’ [-Wmissing-prototypes]
 3768 | u32 si_gpu_check_soft_reset(struct radeon_device *rdev)
 | ^~~~~~~~~~~~~~~~~~~~~~~

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: amd-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/radeon/si.c:1570:5: warning: no previous prototype for ‘si_mc_load_microcode’ [-Wmissing-prototypes]

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: amd-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/radeon/cik.c:1868:5: warning: no previous prototype for ‘ci_mc_load_microcode’ [-Wmissing-prototypes]
 1868 | int ci_mc_load_microcode(struct radeon_device *rdev)
 | ^~~~~~~~~~~~~~~~~~~~
 drivers/gpu/drm/radeon/cik.c:5847:6: warning: no previous prototype for ‘cik_enter_rlc_safe_mode’ [-Wmissing-prototypes]
 5847 | void cik_enter_rlc_safe_mode(struct radeon_device *rdev)
 | ^~~~~~~~~~~~~~~~~~~~~~~
 drivers/gpu/drm/radeon/cik.c:5868:6: warning: no previous prototype for ‘cik_exit_rlc_safe_mode’ [-Wmissing-prototypes]
 5868 | void cik_exit_rlc_safe_mode(struct radeon_device *rdev)
 | ^~~~~~~~~~~~~~~~~~~~~~
 drivers/gpu/drm/radeon/cik.c:6286:6: warning: no previous prototype for ‘cik_update_cg’ [-Wmissing-prototypes]
 6286 | void cik_update_cg(struct radeon_device *rdev,
 | ^~~~~~~~~~~~~

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: amd-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/radeon/atombios_encoders.c:186:6: warning: no previous prototype for ‘radeon_atom_backlight_init’ [-Wmissing-prototypes]
 186 | void radeon_atom_backlight_init(struct radeon_encoder *radeon_encoder,
 | ^~~~~~~~~~~~~~~~~~~~~~~~~~

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: amd-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/radeon/atombios_encoders.c:2721:1: warning: no previous prototype for ‘radeon_add_atom_encoder’ [-Wmissing-prototypes]
 2721 | radeon_add_atom_encoder(struct drm_device *dev,
 | ^~~~~~~~~~~~~~~~~~~~~~~

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: amd-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/radeon/ni.c:1733:5: warning: no previous prototype for ‘cayman_gpu_check_soft_reset’ [-Wmissing-prototypes]
 1733 | u32 cayman_gpu_check_soft_reset(struct radeon_device *rdev)
 | ^~~~~~~~~~~~~~~~~~~~~~~~~~~

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: amd-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/radeon/evergreen.c:4380:5: warning: no previous prototype for ‘evergreen_rlc_resume’ [-Wmissing-prototypes]
 4380 | int evergreen_rlc_resume(struct radeon_device *rdev)
 | ^~~~~~~~~~~~~~~~~~~~

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: amd-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/radeon/evergreen.c:3825:5: warning: no previous prototype for ‘evergreen_gpu_check_soft_reset’ [-Wmissing-prototypes]
 3825 | u32 evergreen_gpu_check_soft_reset(struct radeon_device *rdev)
 | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: amd-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/radeon/r600.c:3480:5: warning: no previous prototype for ‘r600_ih_ring_alloc’ [-Wmissing-prototypes]
 3480 | int r600_ih_ring_alloc(struct radeon_device *rdev)
 | ^~~~~~~~~~~~~~~~~~
 drivers/gpu/drm/radeon/r600.c:3516:6: warning: no previous prototype for ‘r600_ih_ring_fini’ [-Wmissing-prototypes]
 3516 | void r600_ih_ring_fini(struct radeon_device *rdev)
 | ^~~~~~~~~~~~~~~~~

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Cc: amd-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Cc: linux-media@vger.kernel.org
Cc: linaro-mm-sig@lists.linaro.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/radeon/r600.c:1615:5: warning: no previous prototype for ‘r600_gpu_check_soft_reset’ [-Wmissing-prototypes]
 1615 | u32 r600_gpu_check_soft_reset(struct radeon_device *rdev)
 | ^~~~~~~~~~~~~~~~~~~~~~~~~

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Cc: amd-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Cc: linux-media@vger.kernel.org
Cc: linaro-mm-sig@lists.linaro.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/radeon/ni.c:1378:6: warning: no previous prototype for ‘cayman_cp_int_cntl_setup’ [-Wmissing-prototypes]
 1378 | void cayman_cp_int_cntl_setup(struct radeon_device *rdev,
 | ^~~~~~~~~~~~~~~~~~~~~~~~
 drivers/gpu/drm/radeon/ni.c:1732:5: warning: no previous prototype for ‘cayman_gpu_check_soft_reset’ [-Wmissing-prototypes]
 1732 | u32 cayman_gpu_check_soft_reset(struct radeon_device *rdev)
 | ^~~~~~~~~~~~~~~~~~~~~~~~~~~

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: amd-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/radeon/ni_dpm.c:727:23: warning: no previous prototype for ‘ni_get_pi’ [-Wmissing-prototypes]
 727 | struct ni_power_info *ni_get_pi(struct radeon_device *rdev)
 | ^~~~~~~~~
 drivers/gpu/drm/radeon/ni_dpm.c:734:15: warning: no previous prototype for ‘ni_get_ps’ [-Wmissing-prototypes]
 734 | struct ni_ps *ni_get_ps(struct radeon_ps *rps)
 | ^~~~~~~~~

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: amd-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/radeon/rv770_dpm.c:47:18: warning: no previous prototype for ‘rv770_get_ps’ [-Wmissing-prototypes]
 47 | struct rv7xx_ps *rv770_get_ps(struct radeon_ps *rps)
 | ^~~~~~~~~~~~
 drivers/gpu/drm/radeon/rv770_dpm.c:54:26: warning: no previous prototype for ‘rv770_get_pi’ [-Wmissing-prototypes]
 54 | struct rv7xx_power_info *rv770_get_pi(struct radeon_device *rdev)
 | ^~~~~~~~~~~~

Cc: Evan Quan <evan.quan@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: amd-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/radeon/evergreen_hdmi.c:37:6: warning: no previous prototype for ‘dce4_audio_enable’ [-Wmissing-prototypes]
 drivers/gpu/drm/radeon/evergreen_hdmi.c:67:6: warning: no previous prototype for ‘evergreen_hdmi_update_acr’ [-Wmissing-prototypes]
 drivers/gpu/drm/radeon/evergreen_hdmi.c:97:6: warning: no previous prototype for ‘dce4_afmt_write_latency_fields’ [-Wmissing-prototypes]
 drivers/gpu/drm/radeon/evergreen_hdmi.c:119:6: warning: no previous prototype for ‘dce4_afmt_hdmi_write_speaker_allocation’ [-Wmissing-prototypes]
 drivers/gpu/drm/radeon/evergreen_hdmi.c:137:6: warning: no previous prototype for ‘dce4_afmt_dp_write_speaker_allocation’ [-Wmissing-prototypes]
 drivers/gpu/drm/radeon/evergreen_hdmi.c:155:6: warning: no previous prototype for ‘evergreen_hdmi_write_sad_regs’ [-Wmissing-prototypes]
 drivers/gpu/drm/radeon/evergreen_hdmi.c:208:6: warning: no previous prototype for ‘evergreen_set_avi_packet’ [-Wmissing-prototypes]
 drivers/gpu/drm/radeon/evergreen_hdmi.c:227:6: warning: no previous prototype for ‘dce4_hdmi_audio_set_dto’ [-Wmissing-prototypes]
 drivers/gpu/drm/radeon/evergreen_hdmi.c:270:6: warning: no previous prototype for ‘dce4_dp_audio_set_dto’ [-Wmissing-prototypes]
 drivers/gpu/drm/radeon/evergreen_hdmi.c:306:6: warning: no previous prototype for ‘dce4_set_vbi_packet’ [-Wmissing-prototypes]
 drivers/gpu/drm/radeon/evergreen_hdmi.c:317:6: warning: no previous prototype for ‘dce4_hdmi_set_color_depth’ [-Wmissing-prototypes]
 drivers/gpu/drm/radeon/evergreen_hdmi.c:354:6: warning: no previous prototype for ‘dce4_set_audio_packet’ [-Wmissing-prototypes]
 drivers/gpu/drm/radeon/evergreen_hdmi.c:389:6: warning: no previous prototype for ‘dce4_set_mute’ [-Wmissing-prototypes]
 drivers/gpu/drm/radeon/evergreen_hdmi.c:400:6: warning: no previous prototype for ‘evergreen_hdmi_enable’ [-Wmissing-prototypes]
 drivers/gpu/drm/radeon/evergreen_hdmi.c:440:6: warning: no previous prototype for ‘evergreen_dp_enable’ [-Wmissing-prototypes]

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: amd-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/radeon/radeon_prime.c:34:18: warning: no previous prototype for ‘radeon_gem_prime_get_sg_table’ [-Wmissing-prototypes]
 34 | struct sg_table *radeon_gem_prime_get_sg_table(struct drm_gem_object *obj)
 | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 drivers/gpu/drm/radeon/radeon_prime.c:42:7: warning: no previous prototype for ‘radeon_gem_prime_vmap’ [-Wmissing-prototypes]
 42 | void *radeon_gem_prime_vmap(struct drm_gem_object *obj)
 | ^~~~~~~~~~~~~~~~~~~~~
 drivers/gpu/drm/radeon/radeon_prime.c:55:6: warning: no previous prototype for ‘radeon_gem_prime_vunmap’ [-Wmissing-prototypes]
 55 | void radeon_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr)
 | ^~~~~~~~~~~~~~~~~~~~~~~
 drivers/gpu/drm/radeon/radeon_prime.c:62:24: warning: no previous prototype for ‘radeon_gem_prime_import_sg_table’ [-Wmissing-prototypes]
 62 | struct drm_gem_object *radeon_gem_prime_import_sg_table(struct drm_device *dev,
 | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 drivers/gpu/drm/radeon/radeon_prime.c:86:5: warning: no previous prototype for ‘radeon_gem_prime_pin’ [-Wmissing-prototypes]
 86 | int radeon_gem_prime_pin(struct drm_gem_object *obj)
 | ^~~~~~~~~~~~~~~~~~~~
 drivers/gpu/drm/radeon/radeon_prime.c:104:6: warning: no previous prototype for ‘radeon_gem_prime_unpin’ [-Wmissing-prototypes]
 104 | void radeon_gem_prime_unpin(struct drm_gem_object *obj)
 | ^~~~~~~~~~~~~~~~~~~~~~
 drivers/gpu/drm/radeon/radeon_prime.c:120:17: warning: no previous prototype for ‘radeon_gem_prime_export’ [-Wmissing-prototypes]
 120 | struct dma_buf *radeon_gem_prime_export(struct drm_gem_object *gobj,
 | ^~~~~~~~~~~~~~~~~~~~~~~

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: amd-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/radeon/atombios_i2c.c:100:5: warning: no previous prototype for ‘radeon_atom_hw_i2c_xfer’ [-Wmissing-prototypes]
 100 | int radeon_atom_hw_i2c_xfer(struct i2c_adapter *i2c_adap,
 | ^~~~~~~~~~~~~~~~~~~~~~~
 drivers/gpu/drm/radeon/atombios_i2c.c:150:5: warning: no previous prototype for ‘radeon_atom_hw_i2c_func’ [-Wmissing-prototypes]
 150 | u32 radeon_atom_hw_i2c_func(struct i2c_adapter *adap)
 | ^~~~~~~~~~~~~~~~~~~~~~~

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: amd-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/radeon/radeon_irq_kms.c:53:13: warning: no previous prototype for ‘radeon_driver_irq_handler_kms’ [-Wmissing-prototypes]
 53 | irqreturn_t radeon_driver_irq_handler_kms(int irq, void *arg)
 | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 drivers/gpu/drm/radeon/radeon_irq_kms.c:120:6: warning: no previous prototype for ‘radeon_driver_irq_preinstall_kms’ [-Wmissing-prototypes]
 120 | void radeon_driver_irq_preinstall_kms(struct drm_device *dev)
 | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 drivers/gpu/drm/radeon/radeon_irq_kms.c:152:5: warning: no previous prototype for ‘radeon_driver_irq_postinstall_kms’ [-Wmissing-prototypes]
 152 | int radeon_driver_irq_postinstall_kms(struct drm_device *dev)
 | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 drivers/gpu/drm/radeon/radeon_irq_kms.c:171:6: warning: no previous prototype for ‘radeon_driver_irq_uninstall_kms’ [-Wmissing-prototypes]
 171 | void radeon_driver_irq_uninstall_kms(struct drm_device *dev)
 | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Gareth Hughes <gareth@valinux.com>
Cc: amd-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/radeon/radeon_ttm.c:931:5: warning: no previous prototype for ‘radeon_mmap’ [-Wmissing-prototypes]
 931 | int radeon_mmap(struct file *filp, struct vm_area_struct *vma)
 | ^~~~~~~~~~~

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Gareth Hughes <gareth@valinux.com>
Cc: amd-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/radeon/evergreen.c:1281:6: warning: no previous prototype for ‘evergreen_fix_pci_max_read_req_size’ [-Wmissing-prototypes]
 1281 | void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev)
 | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 drivers/gpu/drm/radeon/evergreen.c:2664:6: warning: no previous prototype for ‘evergreen_mc_stop’ [-Wmissing-prototypes]
 2664 | void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save)
 | ^~~~~~~~~~~~~~~~~
 drivers/gpu/drm/radeon/evergreen.c:2762:6: warning: no previous prototype for ‘evergreen_mc_resume’ [-Wmissing-prototypes]
 2762 | void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save)
 | ^~~~~~~~~~~~~~~~~~~
 drivers/gpu/drm/radeon/evergreen.c:2850:6: warning: no previous prototype for ‘evergreen_mc_program’ [-Wmissing-prototypes]
 2850 | void evergreen_mc_program(struct radeon_device *rdev)
 | ^~~~~~~~~~~~~~~~~~~~
 drivers/gpu/drm/radeon/evergreen.c:3710:5: warning: no previous prototype for ‘evergreen_mc_init’ [-Wmissing-prototypes]
 3710 | int evergreen_mc_init(struct radeon_device *rdev)
 | ^~~~~~~~~~~~~~~~~
 drivers/gpu/drm/radeon/evergreen.c:3769:6: warning: no previous prototype for ‘evergreen_print_gpu_status_regs’ [-Wmissing-prototypes]
 3769 | void evergreen_print_gpu_status_regs(struct radeon_device *rdev)
 | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 drivers/gpu/drm/radeon/evergreen.c:3797:6: warning: no previous prototype for ‘evergreen_is_display_hung’ [-Wmissing-prototypes]
 3797 | bool evergreen_is_display_hung(struct radeon_device *rdev)
 | ^~~~~~~~~~~~~~~~~~~~~~~~~
 drivers/gpu/drm/radeon/evergreen.c:4009:6: warning: no previous prototype for ‘evergreen_gpu_pci_config_reset’ [-Wmissing-prototypes]
 4009 | void evergreen_gpu_pci_config_reset(struct radeon_device *rdev)
 | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 drivers/gpu/drm/radeon/evergreen.c:4110:6: warning: no previous prototype for ‘sumo_rlc_fini’ [-Wmissing-prototypes]
 4110 | void sumo_rlc_fini(struct radeon_device *rdev)
 | ^~~~~~~~~~~~~
 drivers/gpu/drm/radeon/evergreen.c:4153:5: warning: no previous prototype for ‘sumo_rlc_init’ [-Wmissing-prototypes]
 4153 | int sumo_rlc_init(struct radeon_device *rdev)
 | ^~~~~~~~~~~~~
 drivers/gpu/drm/radeon/evergreen.c:4381:5: warning: no previous prototype for ‘evergreen_rlc_resume’ [-Wmissing-prototypes]
 4381 | int evergreen_rlc_resume(struct radeon_device *rdev)
 | ^~~~~~~~~~~~~
 drivers/gpu/drm/radeon/evergreen.c:4670:6: warning: no previous prototype for ‘evergreen_irq_suspend’ [-Wmissing-prototypes]
 4670 | void evergreen_irq_suspend(struct radeon_device *rdev)
 | ^~~~~~~~~~~~~~~~~~~~~

NB: Lots more of these - snipped for brevity

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: amd-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/radeon/dce3_1_afmt.c:30:6: warning: no previous prototype for ‘dce3_2_afmt_hdmi_write_speaker_allocation’ [-Wmissing-prototypes]
 30 | void dce3_2_afmt_hdmi_write_speaker_allocation(struct drm_encoder *encoder,
 | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 drivers/gpu/drm/radeon/dce3_1_afmt.c:48:6: warning: no previous prototype for ‘dce3_2_afmt_dp_write_speaker_allocation’ [-Wmissing-prototypes]
 48 | void dce3_2_afmt_dp_write_speaker_allocation(struct drm_encoder *encoder,
 | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 drivers/gpu/drm/radeon/dce3_1_afmt.c:66:6: warning: no previous prototype for ‘dce3_2_afmt_write_sad_regs’ [-Wmissing-prototypes]
 66 | void dce3_2_afmt_write_sad_regs(struct drm_encoder *encoder,
 | ^~~~~~~~~~~~~~~~~~~~~~~~~~
 drivers/gpu/drm/radeon/dce3_1_afmt.c:116:6: warning: no previous prototype for ‘dce3_2_audio_set_dto’ [-Wmissing-prototypes]
 116 | void dce3_2_audio_set_dto(struct radeon_device *rdev,
 | ^~~~~~~~~~~~~~~~~~~~
 drivers/gpu/drm/radeon/dce3_1_afmt.c:170:6: warning: no previous prototype for ‘dce3_2_hdmi_update_acr’ [-Wmissing-prototypes]
 170 | void dce3_2_hdmi_update_acr(struct drm_encoder *encoder, long offset,
 | ^~~~~~~~~~~~~~~~~~~~~~
 drivers/gpu/drm/radeon/dce3_1_afmt.c:202:6: warning: no previous prototype for ‘dce3_2_set_audio_packet’ [-Wmissing-prototypes]
 202 | void dce3_2_set_audio_packet(struct drm_encoder *encoder, u32 offset)
 | ^~~~~~~~~~~~~~~~~~~~~~~
 drivers/gpu/drm/radeon/dce3_1_afmt.c:223:6: warning: no previous prototype for ‘dce3_2_set_mute’ [-Wmissing-prototypes]
 223 | void dce3_2_set_mute(struct drm_encoder *encoder, u32 offset, bool mute)
 | ^~~~~~~~~~~~~~~

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Slava Grigorev <slava.grigorev@amd.com>
Cc: amd-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/radeon/radeon_pm.c:74:6: warning: no previous prototype for ‘radeon_pm_acpi_event_handler’ [-Wmissing-prototypes]
 74 | void radeon_pm_acpi_event_handler(struct radeon_device *rdev)
 | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Cc: amd-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Cc: linux-media@vger.kernel.org
Cc: linaro-mm-sig@lists.linaro.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/radeon/rv770.c:1138:6: warning: no previous prototype for ‘rv770_set_clk_bypass_mode’ [-Wmissing-prototypes]
 1138 | void rv770_set_clk_bypass_mode(struct radeon_device *rdev)
 | ^~~~~~~~~~~~~~~~~~~~~~~~~

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: amd-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/radeon/radeon_irq_kms.c:56: warning: Function parameter or member 'irq' not described in 'radeon_driver_irq_handler_kms'
 drivers/gpu/drm/radeon/radeon_irq_kms.c:56: warning: Function parameter or member 'arg' not described in 'radeon_driver_irq_handler_kms'
 drivers/gpu/drm/radeon/radeon_irq_kms.c:571: warning: Function parameter or member 'n' not described in 'radeon_irq_kms_set_irq_n_enabled'
 drivers/gpu/drm/radeon/radeon_irq_kms.c:571: warning: Excess function parameter 'num' description in 'radeon_irq_kms_set_irq_n_enabled'

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: amd-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/radeon/radeon_legacy_encoders.c:1746:1: warning: no previous prototype for ‘radeon_add_legacy_encoder’ [-Wmissing-prototypes]
 1746 | radeon_add_legacy_encoder(struct drm_device *dev, uint32_t encoder_enum, uint32_t supported_device)
 | ^~~~~~~~~~~~~~~~~~~~~~~~~

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Cc: amd-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Cc: linux-media@vger.kernel.org
Cc: linaro-mm-sig@lists.linaro.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Fixes the following W=1 kernel build warning(s):

  drivers/gpu/drm/radeon/radeon_legacy_encoders.c:1745:1: warning: no previous prototype for ‘radeon_add_legacy_encoder’ [-Wmissing-prototypes]
 1745 | radeon_add_legacy_encoder(struct drm_device *dev, uint32_t encoder_enum, uint32_t supported_device)
 | ^~~~~~~~~~~~~~~~~~~~~~~~~

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Cc: amd-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Cc: linux-media@vger.kernel.org
Cc: linaro-mm-sig@lists.linaro.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/radeon/radeon_ttm.c: At top level:
 drivers/gpu/drm/radeon/radeon_ttm.c:817:5: warning: no previous prototype for ‘radeon_ttm_init’ [-Wmissing-prototypes]
 817 | int radeon_ttm_init(struct radeon_device *rdev)
 | ^~~~~~~~~~~~~~~
 drivers/gpu/drm/radeon/radeon_ttm.c:878:6: warning: no previous prototype for ‘radeon_ttm_fini’ [-Wmissing-prototypes]
 878 | void radeon_ttm_fini(struct radeon_device *rdev)
 | ^~~~~~~~~~~~~~~

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Cc: amd-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Cc: linux-media@vger.kernel.org
Cc: linaro-mm-sig@lists.linaro.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>