RE: [PATCH 2/3] drm/radeon: clean function declarations up

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> -----Original Message-----
> From: Baoyou Xie [mailto:baoyou.xie@xxxxxxxxxx]
> Sent: Friday, September 30, 2016 4:15 AM
> To: Deucher, Alexander; Koenig, Christian; airlied@xxxxxxxx
> Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx;
> arnd@xxxxxxxx; baoyou.xie@xxxxxxxxxx; xie.baoyou@xxxxxxxxxx;
> han.fei@xxxxxxxxxx; tang.qiang007@xxxxxxxxxx
> Subject: [PATCH 2/3] drm/radeon: clean function declarations up
> 
> We get a few warnings when building kernel with W=1:
> drivers/gpu/drm/radeon/radeon_device.c:642:6: warning: no previous
> prototype for 'radeon_device_is_virtual' [-Wmissing-prototypes]
> drivers/gpu/drm/radeon/radeon_kms.c:56:5: warning: no previous
> prototype for 'radeon_driver_unload_kms' [-Wmissing-prototypes]
> drivers/gpu/drm/radeon/radeon_kms.c:97:5: warning: no previous
> prototype for 'radeon_driver_load_kms' [-Wmissing-prototypes]
> drivers/gpu/drm/radeon/radeon_kms.c:612:6: warning: no previous
> prototype for 'radeon_driver_lastclose_kms' [-Wmissing-prototypes]
> ....
> 
> In fact, these functions are declared in some source files,
> but should be declared in a header file,
> thus can be recognized in other file.
> 
> So this patch declares them in drivers/gpu/drm/radeon/radeon.h.

NACK.  This just shoves a ton of unrelated declarations into radeon.h.  I would prefer to refactor these in some sort of more organized way.

Alex

> 
> Signed-off-by: Baoyou Xie <baoyou.xie@xxxxxxxxxx>
> ---
>  drivers/gpu/drm/radeon/atombios_encoders.c |   4 -
>  drivers/gpu/drm/radeon/btc_dpm.c           |   4 -
>  drivers/gpu/drm/radeon/ci_dpm.c            |  10 --
>  drivers/gpu/drm/radeon/cik.c               |  14 --
>  drivers/gpu/drm/radeon/cik_sdma.c          |   2 -
>  drivers/gpu/drm/radeon/cypress_dpm.c       |   4 -
>  drivers/gpu/drm/radeon/evergreen.c         |  11 --
>  drivers/gpu/drm/radeon/evergreen_cs.c      |   2 -
>  drivers/gpu/drm/radeon/evergreen_dma.c     |   2 -
>  drivers/gpu/drm/radeon/kv_dpm.c            |   5 -
>  drivers/gpu/drm/radeon/ni.c                |  11 --
>  drivers/gpu/drm/radeon/ni_dma.c            |   2 -
>  drivers/gpu/drm/radeon/ni_dpm.c            |   3 -
>  drivers/gpu/drm/radeon/r600.c              |   2 -
>  drivers/gpu/drm/radeon/r600_dma.c          |   2 -
>  drivers/gpu/drm/radeon/radeon.h            | 207
> +++++++++++++++++++++++++++++
>  drivers/gpu/drm/radeon/radeon_acpi.c       |   2 -
>  drivers/gpu/drm/radeon/radeon_asic.h       |   9 --
>  drivers/gpu/drm/radeon/radeon_atombios.c   |   9 --
>  drivers/gpu/drm/radeon/radeon_audio.c      |  63 ---------
>  drivers/gpu/drm/radeon/radeon_encoders.c   |   8 --
>  drivers/gpu/drm/radeon/radeon_i2c.c        |   4 -
>  drivers/gpu/drm/radeon/radeon_kms.c        |   6 +-
>  drivers/gpu/drm/radeon/radeon_object.c     |   2 -
>  drivers/gpu/drm/radeon/rv730_dpm.c         |   3 -
>  drivers/gpu/drm/radeon/rv740_dpm.c         |   2 -
>  drivers/gpu/drm/radeon/si.c                |  10 --
>  drivers/gpu/drm/radeon/si_dma.c            |   2 -
>  drivers/gpu/drm/radeon/si_dpm.c            |   8 --
>  drivers/gpu/drm/radeon/sumo_smc.c          |   2 -
>  drivers/gpu/drm/radeon/trinity_dpm.c       |   1 -
>  31 files changed, 210 insertions(+), 206 deletions(-)
> 
> diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c
> b/drivers/gpu/drm/radeon/atombios_encoders.c
> index fa4f8f0..2bbb916 100644
> --- a/drivers/gpu/drm/radeon/atombios_encoders.c
> +++ b/drivers/gpu/drm/radeon/atombios_encoders.c
> @@ -291,10 +291,6 @@ static void radeon_atom_backlight_exit(struct
> radeon_encoder *encoder)
> 
>  #endif
> 
> -/* evil but including atombios.h is much worse */
> -bool radeon_atom_get_tv_timings(struct radeon_device *rdev, int index,
> -				struct drm_display_mode *mode);
> -
>  static bool radeon_atom_mode_fixup(struct drm_encoder *encoder,
>  				   const struct drm_display_mode *mode,
>  				   struct drm_display_mode
> *adjusted_mode)
> diff --git a/drivers/gpu/drm/radeon/btc_dpm.c
> b/drivers/gpu/drm/radeon/btc_dpm.c
> index 38e5123..2b08cfd 100644
> --- a/drivers/gpu/drm/radeon/btc_dpm.c
> +++ b/drivers/gpu/drm/radeon/btc_dpm.c
> @@ -47,10 +47,6 @@
>  #ifndef BTC_MGCG_SEQUENCE
>  #define BTC_MGCG_SEQUENCE  300
> 
> -struct rv7xx_ps *rv770_get_ps(struct radeon_ps *rps);
> -struct rv7xx_power_info *rv770_get_pi(struct radeon_device *rdev);
> -struct evergreen_power_info *evergreen_get_pi(struct radeon_device
> *rdev);
> -
>  extern int ni_mc_load_microcode(struct radeon_device *rdev);
> 
>  //********* BARTS **************//
> diff --git a/drivers/gpu/drm/radeon/ci_dpm.c
> b/drivers/gpu/drm/radeon/ci_dpm.c
> index 7ba4508..57ac808 100644
> --- a/drivers/gpu/drm/radeon/ci_dpm.c
> +++ b/drivers/gpu/drm/radeon/ci_dpm.c
> @@ -165,16 +165,6 @@ static const struct ci_pt_config_reg didt_config_ci[] =
>  extern u8 rv770_get_memory_module_index(struct radeon_device *rdev);
>  extern int ni_copy_and_switch_arb_sets(struct radeon_device *rdev,
>  				       u32 arb_freq_src, u32 arb_freq_dest);
> -extern u8 si_get_ddr3_mclk_frequency_ratio(u32 memory_clock);
> -extern u8 si_get_mclk_frequency_ratio(u32 memory_clock, bool
> strobe_mode);
> -extern void si_trim_voltage_table_to_fit_state_table(struct radeon_device
> *rdev,
> -						     u32 max_voltage_steps,
> -						     struct atom_voltage_table
> *voltage_table);
> -extern void cik_enter_rlc_safe_mode(struct radeon_device *rdev);
> -extern void cik_exit_rlc_safe_mode(struct radeon_device *rdev);
> -extern int ci_mc_load_microcode(struct radeon_device *rdev);
> -extern void cik_update_cg(struct radeon_device *rdev,
> -			  u32 block, bool enable);
> 
>  static int ci_get_std_voltage_value_sidd(struct radeon_device *rdev,
>  					 struct atom_voltage_table_entry
> *voltage_table,
> diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c
> index f6ff41a..7f2daf5 100644
> --- a/drivers/gpu/drm/radeon/cik.c
> +++ b/drivers/gpu/drm/radeon/cik.c
> @@ -118,21 +118,7 @@ MODULE_FIRMWARE("radeon/mullins_mec.bin");
>  MODULE_FIRMWARE("radeon/mullins_rlc.bin");
>  MODULE_FIRMWARE("radeon/mullins_sdma.bin");
> 
> -extern int r600_ih_ring_alloc(struct radeon_device *rdev);
> -extern void r600_ih_ring_fini(struct radeon_device *rdev);
> -extern void evergreen_mc_stop(struct radeon_device *rdev, struct
> evergreen_mc_save *save);
> -extern void evergreen_mc_resume(struct radeon_device *rdev, struct
> evergreen_mc_save *save);
> -extern bool evergreen_is_display_hung(struct radeon_device *rdev);
> -extern void sumo_rlc_fini(struct radeon_device *rdev);
> -extern int sumo_rlc_init(struct radeon_device *rdev);
> -extern void si_vram_gtt_location(struct radeon_device *rdev, struct
> radeon_mc *mc);
> -extern void si_rlc_reset(struct radeon_device *rdev);
> -extern void si_init_uvd_internal_cg(struct radeon_device *rdev);
>  static u32 cik_get_cu_active_bitmap(struct radeon_device *rdev, u32 se,
> u32 sh);
> -extern int cik_sdma_resume(struct radeon_device *rdev);
> -extern void cik_sdma_enable(struct radeon_device *rdev, bool enable);
> -extern void cik_sdma_fini(struct radeon_device *rdev);
> -extern void vce_v2_0_enable_mgcg(struct radeon_device *rdev, bool
> enable);
>  static void cik_rlc_stop(struct radeon_device *rdev);
>  static void cik_pcie_gen3_enable(struct radeon_device *rdev);
>  static void cik_program_aspm(struct radeon_device *rdev);
> diff --git a/drivers/gpu/drm/radeon/cik_sdma.c
> b/drivers/gpu/drm/radeon/cik_sdma.c
> index 9c351dc..5f0862d 100644
> --- a/drivers/gpu/drm/radeon/cik_sdma.c
> +++ b/drivers/gpu/drm/radeon/cik_sdma.c
> @@ -33,8 +33,6 @@
>  #define CIK_SDMA_UCODE_SIZE 1050
>  #define CIK_SDMA_UCODE_VERSION 64
> 
> -u32 cik_gpu_check_soft_reset(struct radeon_device *rdev);
> -
>  /*
>   * sDMA - System DMA
>   * Starting with CIK, the GPU has new asynchronous
> diff --git a/drivers/gpu/drm/radeon/cypress_dpm.c
> b/drivers/gpu/drm/radeon/cypress_dpm.c
> index a4edd07..3bdb82e 100644
> --- a/drivers/gpu/drm/radeon/cypress_dpm.c
> +++ b/drivers/gpu/drm/radeon/cypress_dpm.c
> @@ -42,10 +42,6 @@
>  #define MC_CG_SEQ_YCLK_SUSPEND      0x04
>  #define MC_CG_SEQ_YCLK_RESUME       0x0a
> 
> -struct rv7xx_ps *rv770_get_ps(struct radeon_ps *rps);
> -struct rv7xx_power_info *rv770_get_pi(struct radeon_device *rdev);
> -struct evergreen_power_info *evergreen_get_pi(struct radeon_device
> *rdev);
> -
>  static void cypress_enable_bif_dynamic_pcie_gen2(struct radeon_device
> *rdev,
>  						 bool enable)
>  {
> diff --git a/drivers/gpu/drm/radeon/evergreen.c
> b/drivers/gpu/drm/radeon/evergreen.c
> index 0b6b576..943a696 100644
> --- a/drivers/gpu/drm/radeon/evergreen.c
> +++ b/drivers/gpu/drm/radeon/evergreen.c
> @@ -205,17 +205,6 @@ static void evergreen_gpu_init(struct radeon_device
> *rdev);
>  void evergreen_fini(struct radeon_device *rdev);
>  void evergreen_pcie_gen2_enable(struct radeon_device *rdev);
>  void evergreen_program_aspm(struct radeon_device *rdev);
> -extern void cayman_cp_int_cntl_setup(struct radeon_device *rdev,
> -				     int ring, u32 cp_int_cntl);
> -extern void cayman_vm_decode_fault(struct radeon_device *rdev,
> -				   u32 status, u32 addr);
> -void cik_init_cp_pg_table(struct radeon_device *rdev);
> -
> -extern u32 si_get_csb_size(struct radeon_device *rdev);
> -extern void si_get_csb_buffer(struct radeon_device *rdev, volatile u32
> *buffer);
> -extern u32 cik_get_csb_size(struct radeon_device *rdev);
> -extern void cik_get_csb_buffer(struct radeon_device *rdev, volatile u32
> *buffer);
> -extern void rv770_set_clk_bypass_mode(struct radeon_device *rdev);
> 
>  static const u32 evergreen_golden_registers[] =
>  {
> diff --git a/drivers/gpu/drm/radeon/evergreen_cs.c
> b/drivers/gpu/drm/radeon/evergreen_cs.c
> index f8b0509..cfc4cc9 100644
> --- a/drivers/gpu/drm/radeon/evergreen_cs.c
> +++ b/drivers/gpu/drm/radeon/evergreen_cs.c
> @@ -37,8 +37,6 @@
> 
>  #define REG_SAFE_BM_SIZE ARRAY_SIZE(evergreen_reg_safe_bm)
> 
> -int r600_dma_cs_next_reloc(struct radeon_cs_parser *p,
> -			   struct radeon_bo_list **cs_reloc);
>  struct evergreen_cs_track {
>  	u32			group_size;
>  	u32			nbanks;
> diff --git a/drivers/gpu/drm/radeon/evergreen_dma.c
> b/drivers/gpu/drm/radeon/evergreen_dma.c
> index 96535aa..67f350e 100644
> --- a/drivers/gpu/drm/radeon/evergreen_dma.c
> +++ b/drivers/gpu/drm/radeon/evergreen_dma.c
> @@ -26,8 +26,6 @@
>  #include "radeon_asic.h"
>  #include "evergreend.h"
> 
> -u32 evergreen_gpu_check_soft_reset(struct radeon_device *rdev);
> -
>  /**
>   * evergreen_dma_fence_ring_emit - emit a fence on the DMA ring
>   *
> diff --git a/drivers/gpu/drm/radeon/kv_dpm.c
> b/drivers/gpu/drm/radeon/kv_dpm.c
> index a7e9786..dee537c 100644
> --- a/drivers/gpu/drm/radeon/kv_dpm.c
> +++ b/drivers/gpu/drm/radeon/kv_dpm.c
> @@ -58,11 +58,6 @@ static void kv_dpm_powergate_vce(struct
> radeon_device *rdev, bool gate);
>  static void kv_dpm_powergate_samu(struct radeon_device *rdev, bool
> gate);
>  static void kv_dpm_powergate_acp(struct radeon_device *rdev, bool gate);
> 
> -extern void cik_enter_rlc_safe_mode(struct radeon_device *rdev);
> -extern void cik_exit_rlc_safe_mode(struct radeon_device *rdev);
> -extern void cik_update_cg(struct radeon_device *rdev,
> -			  u32 block, bool enable);
> -
>  static const struct kv_lcac_config_values sx_local_cac_cfg_kv[] =
>  {
>  	{  0,       4,        1    },
> diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c
> index 103fc86..1a69aa0 100644
> --- a/drivers/gpu/drm/radeon/ni.c
> +++ b/drivers/gpu/drm/radeon/ni.c
> @@ -187,20 +187,9 @@ static const u32 tn_rlc_save_restore_register_list[] =
>  	0x802c,
>  };
> 
> -extern bool evergreen_is_display_hung(struct radeon_device *rdev);
> -extern void evergreen_print_gpu_status_regs(struct radeon_device
> *rdev);
> -extern void evergreen_mc_stop(struct radeon_device *rdev, struct
> evergreen_mc_save *save);
> -extern void evergreen_mc_resume(struct radeon_device *rdev, struct
> evergreen_mc_save *save);
>  extern int evergreen_mc_wait_for_idle(struct radeon_device *rdev);
> -extern void evergreen_mc_program(struct radeon_device *rdev);
> -extern void evergreen_irq_suspend(struct radeon_device *rdev);
> -extern int evergreen_mc_init(struct radeon_device *rdev);
> -extern void evergreen_fix_pci_max_read_req_size(struct radeon_device
> *rdev);
>  extern void evergreen_pcie_gen2_enable(struct radeon_device *rdev);
>  extern void evergreen_program_aspm(struct radeon_device *rdev);
> -extern void sumo_rlc_fini(struct radeon_device *rdev);
> -extern int sumo_rlc_init(struct radeon_device *rdev);
> -extern void evergreen_gpu_pci_config_reset(struct radeon_device *rdev);
> 
>  /* Firmware Names */
>  MODULE_FIRMWARE("radeon/BARTS_pfp.bin");
> diff --git a/drivers/gpu/drm/radeon/ni_dma.c
> b/drivers/gpu/drm/radeon/ni_dma.c
> index ce787a9..62165f9d 100644
> --- a/drivers/gpu/drm/radeon/ni_dma.c
> +++ b/drivers/gpu/drm/radeon/ni_dma.c
> @@ -27,8 +27,6 @@
>  #include "radeon_trace.h"
>  #include "nid.h"
> 
> -u32 cayman_gpu_check_soft_reset(struct radeon_device *rdev);
> -
>  /*
>   * DMA
>   * Starting with R600, the GPU has an asynchronous
> diff --git a/drivers/gpu/drm/radeon/ni_dpm.c
> b/drivers/gpu/drm/radeon/ni_dpm.c
> index 4a601f9..1ad4bf3 100644
> --- a/drivers/gpu/drm/radeon/ni_dpm.c
> +++ b/drivers/gpu/drm/radeon/ni_dpm.c
> @@ -718,9 +718,6 @@ static const u32 cayman_sysls_enable[] =
>  };
>  #define CAYMAN_SYSLS_ENABLE_LENGTH sizeof(cayman_sysls_enable) / (3
> * sizeof(u32))
> 
> -struct rv7xx_power_info *rv770_get_pi(struct radeon_device *rdev);
> -struct evergreen_power_info *evergreen_get_pi(struct radeon_device
> *rdev);
> -
>  extern int ni_mc_load_microcode(struct radeon_device *rdev);
> 
>  struct ni_power_info *ni_get_pi(struct radeon_device *rdev)
> diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
> index a951881..dceafe5 100644
> --- a/drivers/gpu/drm/radeon/r600.c
> +++ b/drivers/gpu/drm/radeon/r600.c
> @@ -105,8 +105,6 @@ static void r600_gpu_init(struct radeon_device
> *rdev);
>  void r600_fini(struct radeon_device *rdev);
>  void r600_irq_disable(struct radeon_device *rdev);
>  static void r600_pcie_gen2_enable(struct radeon_device *rdev);
> -extern int evergreen_rlc_resume(struct radeon_device *rdev);
> -extern void rv770_set_clk_bypass_mode(struct radeon_device *rdev);
> 
>  /*
>   * Indirect registers accessor
> diff --git a/drivers/gpu/drm/radeon/r600_dma.c
> b/drivers/gpu/drm/radeon/r600_dma.c
> index fb65e6f..80c1b7a 100644
> --- a/drivers/gpu/drm/radeon/r600_dma.c
> +++ b/drivers/gpu/drm/radeon/r600_dma.c
> @@ -26,8 +26,6 @@
>  #include "radeon_asic.h"
>  #include "r600d.h"
> 
> -u32 r600_gpu_check_soft_reset(struct radeon_device *rdev);
> -
>  /*
>   * DMA
>   * Starting with R600, the GPU has an asynchronous
> diff --git a/drivers/gpu/drm/radeon/radeon.h
> b/drivers/gpu/drm/radeon/radeon.h
> index 1b0dcad..9c02fbc 100644
> --- a/drivers/gpu/drm/radeon/radeon.h
> +++ b/drivers/gpu/drm/radeon/radeon.h
> @@ -2976,4 +2976,211 @@ int r600_cs_common_vline_parse(struct
> radeon_cs_parser *p,
> 
>  #include "radeon_object.h"
> 
> +extern bool radeon_device_is_virtual(void);
> +extern int radeon_driver_unload_kms(struct drm_device *dev);
> +extern int radeon_driver_load_kms(struct drm_device *dev, unsigned long
> flags);
> +extern void radeon_driver_lastclose_kms(struct drm_device *dev);
> +extern int
> +radeon_driver_open_kms(struct drm_device *dev, struct drm_file
> *file_priv);
> +extern void radeon_driver_postclose_kms(struct drm_device *dev,
> +		struct drm_file *file_priv);
> +extern void radeon_driver_preclose_kms(struct drm_device *dev,
> +		struct drm_file *file_priv);
> +extern u32
> +radeon_get_vblank_counter_kms(struct drm_device *dev, unsigned int
> pipe);
> +extern int radeon_enable_vblank_kms(struct drm_device *dev, unsigned
> int pipe);
> +extern void
> +radeon_disable_vblank_kms(struct drm_device *dev, unsigned int pipe);
> +extern int
> +radeon_get_vblank_timestamp_kms(struct drm_device *dev, unsigned int
> pipe,
> +		int *max_error, struct timeval *vblank_time,
> +		unsigned int flags);
> +bool radeon_atom_get_tv_timings(struct radeon_device *rdev, int index,
> +				struct drm_display_mode *mode);
> +/* from radeon_object.c */
> +int radeon_ttm_init(struct radeon_device *rdev);
> +void radeon_ttm_fini(struct radeon_device *rdev);
> +
> +extern int radeon_mmap(struct file *filp, struct vm_area_struct *vma);
> +
> +void radeon_legacy_backlight_init(struct radeon_encoder
> *radeon_encoder,
> +				  struct drm_connector *drm_connector);
> +void radeon_add_legacy_encoder(struct drm_device *dev,
> +		uint32_t encoder_enum, uint32_t supported_device);
> +
> +extern void radeon_gem_object_free(struct drm_gem_object *obj);
> +extern int radeon_gem_object_open(struct drm_gem_object *obj,
> +				  struct drm_file *file_priv);
> +extern void radeon_gem_object_close(struct drm_gem_object *obj,
> +				    struct drm_file *file_priv);
> +extern irqreturn_t radeon_driver_irq_handler_kms(int irq, void *arg);
> +extern void radeon_driver_irq_preinstall_kms(struct drm_device *dev);
> +extern int radeon_driver_irq_postinstall_kms(struct drm_device *dev);
> +extern void radeon_driver_irq_uninstall_kms(struct drm_device *dev);
> +
> +u32 r600_gpu_check_soft_reset(struct radeon_device *rdev);
> +int r600_ih_ring_alloc(struct radeon_device *rdev);
> +void r600_ih_ring_fini(struct radeon_device *rdev);
> +void rv770_set_clk_bypass_mode(struct radeon_device *rdev);
> +void radeon_pm_acpi_event_handler(struct radeon_device *rdev);
> +void r600_hdmi_update_acr(struct drm_encoder *encoder, long offset,
> +			  const struct radeon_hdmi_acr *acr);
> +void r600_set_avi_packet(struct radeon_device *rdev, u32 offset,
> +			 unsigned char *buffer, size_t size);
> +void r600_hdmi_audio_set_dto(struct radeon_device *rdev,
> +			     struct radeon_crtc *crtc, unsigned int clock);
> +void r600_set_vbi_packet(struct drm_encoder *encoder, u32 offset);
> +void r600_set_audio_packet(struct drm_encoder *encoder, u32 offset);
> +void r600_set_mute(struct drm_encoder *encoder, u32 offset, bool mute);
> +void r600_hdmi_enable(struct drm_encoder *encoder, bool enable);
> +void dce3_2_afmt_hdmi_write_speaker_allocation(struct drm_encoder
> *encoder,
> +					       u8 *sadb, int sad_count);
> +void dce3_2_afmt_dp_write_speaker_allocation(struct drm_encoder
> *encoder,
> +					     u8 *sadb, int sad_count);
> +void dce3_2_afmt_write_sad_regs(struct drm_encoder *encoder,
> +				struct cea_sad *sads, int sad_count);
> +void dce3_2_audio_set_dto(struct radeon_device *rdev,
> +			  struct radeon_crtc *crtc, unsigned int clock);
> +void dce3_2_hdmi_update_acr(struct drm_encoder *encoder, long offset,
> +			    const struct radeon_hdmi_acr *acr);
> +void dce3_2_set_audio_packet(struct drm_encoder *encoder, u32 offset);
> +void dce3_2_set_mute(struct drm_encoder *encoder, u32 offset, bool
> mute);
> +
> +/*
> + * evergreen
> + */
> +struct evergreen_mc_save {
> +	u32 vga_render_control;
> +	u32 vga_hdp_control;
> +	bool crtc_enabled[RADEON_MAX_CRTCS];
> +};
> +
> +void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev);
> +u32 evergreen_get_number_of_dram_channels(struct radeon_device
> *rdev);
> +void
> +evergreen_mc_stop(struct radeon_device *rdev, struct
> evergreen_mc_save *save);
> +void
> +evergreen_mc_resume(struct radeon_device *rdev, struct
> evergreen_mc_save *save);
> +void evergreen_mc_program(struct radeon_device *rdev);
> +int evergreen_mc_init(struct radeon_device *rdev);
> +void evergreen_print_gpu_status_regs(struct radeon_device *rdev);
> +bool evergreen_is_display_hung(struct radeon_device *rdev);
> +u32 evergreen_gpu_check_soft_reset(struct radeon_device *rdev);
> +void evergreen_gpu_pci_config_reset(struct radeon_device *rdev);
> +
> +void sumo_rlc_fini(struct radeon_device *rdev);
> +int sumo_rlc_init(struct radeon_device *rdev);
> +int evergreen_rlc_resume(struct radeon_device *rdev);
> +void evergreen_irq_suspend(struct radeon_device *rdev);
> +void dce4_audio_enable(struct radeon_device *rdev, struct
> r600_audio_pin *pin,
> +		       u8 enable_mask);
> +void evergreen_hdmi_update_acr(struct drm_encoder *encoder, long
> offset,
> +			       const struct radeon_hdmi_acr *acr);
> +void dce4_afmt_write_latency_fields(struct drm_encoder *encoder,
> +		struct drm_connector *connector, struct drm_display_mode
> *mode);
> +void dce4_afmt_hdmi_write_speaker_allocation(struct drm_encoder
> *encoder,
> +				u8 *sadb, int sad_count);
> +void dce4_afmt_dp_write_speaker_allocation(struct drm_encoder
> *encoder,
> +				u8 *sadb, int sad_count);
> +void evergreen_hdmi_write_sad_regs(struct drm_encoder *encoder,
> +		struct cea_sad *sads, int sad_count);
> +void evergreen_set_avi_packet(struct radeon_device *rdev, u32 offset,
> +		unsigned char *buffer, size_t size);
> +void dce4_hdmi_audio_set_dto(struct radeon_device *rdev,
> +		struct radeon_crtc *crtc, unsigned int clock);
> +void dce4_dp_audio_set_dto(struct radeon_device *rdev,
> +		struct radeon_crtc *crtc, unsigned int clock);
> +void dce4_set_vbi_packet(struct drm_encoder *encoder, u32 offset);
> +void dce4_hdmi_set_color_depth(struct drm_encoder *encoder,
> +		u32 offset, int bpc);
> +void dce4_set_audio_packet(struct drm_encoder *encoder, u32 offset);
> +void dce4_set_mute(struct drm_encoder *encoder, u32 offset, bool
> mute);
> +void cayman_cp_int_cntl_setup(struct radeon_device *rdev,
> +		int ring, u32 cp_int_cntl);
> +u32 cayman_gpu_check_soft_reset(struct radeon_device *rdev);
> +void cayman_vm_decode_fault(struct radeon_device *rdev,
> +		u32 status, u32 addr);
> +void evergreen_hdmi_enable(struct drm_encoder *encoder, bool enable);
> +void evergreen_dp_enable(struct drm_encoder *encoder, bool enable);
> +
> +void radeon_atom_backlight_init(struct radeon_encoder
> *radeon_encoder,
> +		struct drm_connector *drm_connector);
> +void radeon_add_atom_encoder(struct drm_device *dev, uint32_t
> encoder_enum,
> +		uint32_t supported_device, u16 caps);
> +int radeon_atom_hw_i2c_xfer(struct i2c_adapter *i2c_adap,
> +		struct i2c_msg *msgs, int num);
> +u32 radeon_atom_hw_i2c_func(struct i2c_adapter *adap);
> +
> +int si_mc_load_microcode(struct radeon_device *rdev);
> +u32 si_gpu_check_soft_reset(struct radeon_device *rdev);
> +void si_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc
> *mc);
> +void si_init_uvd_internal_cg(struct radeon_device *rdev);
> +u32 si_get_csb_size(struct radeon_device *rdev);
> +void si_get_csb_buffer(struct radeon_device *rdev, volatile u32 *buffer);
> +void si_rlc_reset(struct radeon_device *rdev);
> +
> +extern struct sg_table *
> +radeon_gem_prime_get_sg_table(struct drm_gem_object *obj);
> +extern void *radeon_gem_prime_vmap(struct drm_gem_object *obj);
> +extern void radeon_gem_prime_vunmap(struct drm_gem_object *obj,
> void *vaddr);
> +
> +extern struct drm_gem_object *
> +radeon_gem_prime_import_sg_table(struct drm_device *dev,
> +		struct dma_buf_attachment *attach, struct sg_table *sg);
> +
> +extern int radeon_gem_prime_pin(struct drm_gem_object *obj);
> +extern void radeon_gem_prime_unpin(struct drm_gem_object *obj);
> +extern struct reservation_object *
> +radeon_gem_prime_res_obj(struct drm_gem_object *obj);
> +extern struct dma_buf *radeon_gem_prime_export(struct drm_device
> *dev,
> +		struct drm_gem_object *gobj, int flags);
> +
> +int ci_mc_load_microcode(struct radeon_device *rdev);
> +u32 cik_gpu_check_soft_reset(struct radeon_device *rdev);
> +void cik_enter_rlc_safe_mode(struct radeon_device *rdev);
> +void cik_exit_rlc_safe_mode(struct radeon_device *rdev);
> +void cik_update_cg(struct radeon_device *rdev, u32 block, bool enable);
> +
> +void cik_init_cp_pg_table(struct radeon_device *rdev);
> +u32 cik_get_csb_size(struct radeon_device *rdev);
> +
> +void cik_get_csb_buffer(struct radeon_device *rdev, volatile u32 *buffer);
> +struct rv7xx_ps *rv770_get_ps(struct radeon_ps *rps);
> +struct rv7xx_power_info *rv770_get_pi(struct radeon_device *rdev);
> +struct evergreen_power_info *evergreen_get_pi(struct radeon_device
> *rdev);
> +struct sumo_power_info *sumo_get_pi(struct radeon_device *rdev);
> +struct ni_power_info *ni_get_pi(struct radeon_device *rdev);
> +struct ni_ps *ni_get_ps(struct radeon_ps *rps);
> +
> +u8 si_get_ddr3_mclk_frequency_ratio(u32 memory_clock);
> +u8 si_get_mclk_frequency_ratio(u32 memory_clock, bool strobe_mode);
> +void si_trim_voltage_table_to_fit_state_table(struct radeon_device *rdev,
> +		u32 max_voltage_steps,
> +		struct atom_voltage_table *voltage_table);
> +u32 dce6_endpoint_rreg(struct radeon_device *rdev, u32 offset, u32 reg);
> +void dce6_endpoint_wreg(struct radeon_device *rdev, u32 offset, u32 reg,
> u32 v);
> +void dce6_afmt_select_pin(struct drm_encoder *encoder);
> +void dce6_afmt_write_latency_fields(struct drm_encoder *encoder,
> +		struct drm_connector *connector, struct drm_display_mode
> *mode);
> +void dce6_afmt_hdmi_write_speaker_allocation(struct drm_encoder
> *encoder,
> +		u8 *sadb, int sad_count);
> +void dce6_afmt_dp_write_speaker_allocation(struct drm_encoder
> *encoder,
> +		u8 *sadb, int sad_count);
> +void dce6_afmt_write_sad_regs(struct drm_encoder *encoder, struct
> cea_sad *sads,
> +		int sad_count);
> +void dce6_hdmi_audio_set_dto(struct radeon_device *rdev,
> +		struct radeon_crtc *crtc, unsigned int clock);
> +void dce6_dp_audio_set_dto(struct radeon_device *rdev, struct
> radeon_crtc *crtc,
> +		unsigned int clock);
> +void cik_sdma_enable(struct radeon_device *rdev, bool enable);
> +int cik_sdma_resume(struct radeon_device *rdev);
> +void cik_sdma_fini(struct radeon_device *rdev);
> +
> +void vce_v1_0_enable_mgcg(struct radeon_device *rdev, bool enable);
> +void vce_v2_0_enable_mgcg(struct radeon_device *rdev, bool enable);
> +
> +int r600_dma_cs_next_reloc(struct radeon_cs_parser *p,
> +		struct radeon_bo_list **cs_reloc);
> +
> +
>  #endif
> diff --git a/drivers/gpu/drm/radeon/radeon_acpi.c
> b/drivers/gpu/drm/radeon/radeon_acpi.c
> index 6efbd65..231d01d 100644
> --- a/drivers/gpu/drm/radeon/radeon_acpi.c
> +++ b/drivers/gpu/drm/radeon/radeon_acpi.c
> @@ -41,8 +41,6 @@ static inline bool
> radeon_atpx_dgpu_req_power_for_displays(void) { return false;
> 
>  #define ACPI_AC_CLASS           "ac_adapter"
> 
> -extern void radeon_pm_acpi_event_handler(struct radeon_device *rdev);
> -
>  struct atif_verify_interface {
>  	u16 size;		/* structure size in bytes (includes size field)
> */
>  	u16 version;		/* version */
> diff --git a/drivers/gpu/drm/radeon/radeon_asic.h
> b/drivers/gpu/drm/radeon/radeon_asic.h
> index e3f036c..48b46fb 100644
> --- a/drivers/gpu/drm/radeon/radeon_asic.h
> +++ b/drivers/gpu/drm/radeon/radeon_asic.h
> @@ -498,15 +498,6 @@ bool rv770_dpm_vblank_too_short(struct
> radeon_device *rdev);
>  u32 rv770_dpm_get_current_sclk(struct radeon_device *rdev);
>  u32 rv770_dpm_get_current_mclk(struct radeon_device *rdev);
> 
> -/*
> - * evergreen
> - */
> -struct evergreen_mc_save {
> -	u32 vga_render_control;
> -	u32 vga_hdp_control;
> -	bool crtc_enabled[RADEON_MAX_CRTCS];
> -};
> -
>  void evergreen_pcie_gart_tlb_flush(struct radeon_device *rdev);
>  int evergreen_init(struct radeon_device *rdev);
>  void evergreen_fini(struct radeon_device *rdev);
> diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c
> b/drivers/gpu/drm/radeon/radeon_atombios.c
> index 4134759..4d640de 100644
> --- a/drivers/gpu/drm/radeon/radeon_atombios.c
> +++ b/drivers/gpu/drm/radeon/radeon_atombios.c
> @@ -31,15 +31,6 @@
>  #include "atom-bits.h"
>  #include "radeon_asic.h"
> 
> -extern void
> -radeon_add_atom_encoder(struct drm_device *dev, uint32_t
> encoder_enum,
> -			uint32_t supported_device, u16 caps);
> -
> -/* from radeon_legacy_encoder.c */
> -extern void
> -radeon_add_legacy_encoder(struct drm_device *dev, uint32_t
> encoder_enum,
> -			  uint32_t supported_device);
> -
>  union atom_supported_devices {
>  	struct _ATOM_SUPPORTED_DEVICES_INFO info;
>  	struct _ATOM_SUPPORTED_DEVICES_INFO_2 info_2;
> diff --git a/drivers/gpu/drm/radeon/radeon_audio.c
> b/drivers/gpu/drm/radeon/radeon_audio.c
> index b214663..0303f07 100644
> --- a/drivers/gpu/drm/radeon/radeon_audio.c
> +++ b/drivers/gpu/drm/radeon/radeon_audio.c
> @@ -31,77 +31,14 @@
> 
>  void r600_audio_enable(struct radeon_device *rdev, struct r600_audio_pin
> *pin,
>  		u8 enable_mask);
> -void dce4_audio_enable(struct radeon_device *rdev, struct r600_audio_pin
> *pin,
> -		u8 enable_mask);
>  void dce6_audio_enable(struct radeon_device *rdev, struct r600_audio_pin
> *pin,
>  		u8 enable_mask);
> -u32 dce6_endpoint_rreg(struct radeon_device *rdev, u32 offset, u32 reg);
> -void dce6_endpoint_wreg(struct radeon_device *rdev,
> -		u32 offset, u32 reg, u32 v);
> -void dce3_2_afmt_write_sad_regs(struct drm_encoder *encoder,
> -		struct cea_sad *sads, int sad_count);
> -void evergreen_hdmi_write_sad_regs(struct drm_encoder *encoder,
> -		struct cea_sad *sads, int sad_count);
> -void dce6_afmt_write_sad_regs(struct drm_encoder *encoder,
> -		struct cea_sad *sads, int sad_count);
> -void dce3_2_afmt_hdmi_write_speaker_allocation(struct drm_encoder
> *encoder,
> -		u8 *sadb, int sad_count);
> -void dce3_2_afmt_dp_write_speaker_allocation(struct drm_encoder
> *encoder,
> -		u8 *sadb, int sad_count);
> -void dce4_afmt_hdmi_write_speaker_allocation(struct drm_encoder
> *encoder,
> -		u8 *sadb, int sad_count);
> -void dce4_afmt_dp_write_speaker_allocation(struct drm_encoder
> *encoder,
> -		u8 *sadb, int sad_count);
> -void dce6_afmt_hdmi_write_speaker_allocation(struct drm_encoder
> *encoder,
> -		u8 *sadb, int sad_count);
> -void dce6_afmt_dp_write_speaker_allocation(struct drm_encoder
> *encoder,
> -		u8 *sadb, int sad_count);
> -void dce4_afmt_write_latency_fields(struct drm_encoder *encoder,
> -		struct drm_connector *connector, struct drm_display_mode
> *mode);
> -void dce6_afmt_write_latency_fields(struct drm_encoder *encoder,
> -		struct drm_connector *connector, struct drm_display_mode
> *mode);
>  struct r600_audio_pin* r600_audio_get_pin(struct radeon_device *rdev);
>  struct r600_audio_pin* dce6_audio_get_pin(struct radeon_device *rdev);
> -void dce6_afmt_select_pin(struct drm_encoder *encoder);
> -void r600_hdmi_audio_set_dto(struct radeon_device *rdev,
> -	struct radeon_crtc *crtc, unsigned int clock);
> -void dce3_2_audio_set_dto(struct radeon_device *rdev,
> -	struct radeon_crtc *crtc, unsigned int clock);
> -void dce4_hdmi_audio_set_dto(struct radeon_device *rdev,
> -	struct radeon_crtc *crtc, unsigned int clock);
> -void dce4_dp_audio_set_dto(struct radeon_device *rdev,
> -	struct radeon_crtc *crtc, unsigned int clock);
> -void dce6_hdmi_audio_set_dto(struct radeon_device *rdev,
> -	struct radeon_crtc *crtc, unsigned int clock);
> -void dce6_dp_audio_set_dto(struct radeon_device *rdev,
> -	struct radeon_crtc *crtc, unsigned int clock);
> -void r600_set_avi_packet(struct radeon_device *rdev, u32 offset,
> -	unsigned char *buffer, size_t size);
> -void evergreen_set_avi_packet(struct radeon_device *rdev, u32 offset,
> -	unsigned char *buffer, size_t size);
> -void r600_hdmi_update_acr(struct drm_encoder *encoder, long offset,
> -	const struct radeon_hdmi_acr *acr);
> -void dce3_2_hdmi_update_acr(struct drm_encoder *encoder, long offset,
> -	const struct radeon_hdmi_acr *acr);
> -void evergreen_hdmi_update_acr(struct drm_encoder *encoder, long
> offset,
> -	const struct radeon_hdmi_acr *acr);
> -void r600_set_vbi_packet(struct drm_encoder *encoder, u32 offset);
> -void dce4_set_vbi_packet(struct drm_encoder *encoder, u32 offset);
> -void dce4_hdmi_set_color_depth(struct drm_encoder *encoder,
> -	u32 offset, int bpc);
> -void r600_set_audio_packet(struct drm_encoder *encoder, u32 offset);
> -void dce3_2_set_audio_packet(struct drm_encoder *encoder, u32 offset);
> -void dce4_set_audio_packet(struct drm_encoder *encoder, u32 offset);
> -void r600_set_mute(struct drm_encoder *encoder, u32 offset, bool mute);
> -void dce3_2_set_mute(struct drm_encoder *encoder, u32 offset, bool
> mute);
> -void dce4_set_mute(struct drm_encoder *encoder, u32 offset, bool mute);
>  static void radeon_audio_hdmi_mode_set(struct drm_encoder *encoder,
>  	struct drm_display_mode *mode);
>  static void radeon_audio_dp_mode_set(struct drm_encoder *encoder,
>  	struct drm_display_mode *mode);
> -void r600_hdmi_enable(struct drm_encoder *encoder, bool enable);
> -void evergreen_hdmi_enable(struct drm_encoder *encoder, bool enable);
> -void evergreen_dp_enable(struct drm_encoder *encoder, bool enable);
> 
>  static const u32 pin_offsets[7] =
>  {
> diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c
> b/drivers/gpu/drm/radeon/radeon_encoders.c
> index c6ee802..675153e 100644
> --- a/drivers/gpu/drm/radeon/radeon_encoders.c
> +++ b/drivers/gpu/drm/radeon/radeon_encoders.c
> @@ -29,14 +29,6 @@
>  #include "radeon.h"
>  #include "atom.h"
> 
> -extern void
> -radeon_legacy_backlight_init(struct radeon_encoder *radeon_encoder,
> -			     struct drm_connector *drm_connector);
> -extern void
> -radeon_atom_backlight_init(struct radeon_encoder *radeon_encoder,
> -			   struct drm_connector *drm_connector);
> -
> -
>  static uint32_t radeon_encoder_clones(struct drm_encoder *encoder)
>  {
>  	struct drm_device *dev = encoder->dev;
> diff --git a/drivers/gpu/drm/radeon/radeon_i2c.c
> b/drivers/gpu/drm/radeon/radeon_i2c.c
> index 021aa00..3941588 100644
> --- a/drivers/gpu/drm/radeon/radeon_i2c.c
> +++ b/drivers/gpu/drm/radeon/radeon_i2c.c
> @@ -31,10 +31,6 @@
>  #include "radeon.h"
>  #include "atom.h"
> 
> -extern int radeon_atom_hw_i2c_xfer(struct i2c_adapter *i2c_adap,
> -				   struct i2c_msg *msgs, int num);
> -extern u32 radeon_atom_hw_i2c_func(struct i2c_adapter *adap);
> -
>  /**
>   * radeon_ddc_probe
>   *
> diff --git a/drivers/gpu/drm/radeon/radeon_kms.c
> b/drivers/gpu/drm/radeon/radeon_kms.c
> index 4388dde..f089485 100644
> --- a/drivers/gpu/drm/radeon/radeon_kms.c
> +++ b/drivers/gpu/drm/radeon/radeon_kms.c
> @@ -830,7 +830,7 @@ u32 radeon_get_vblank_counter_kms(struct
> drm_device *dev, unsigned int pipe)
>   * Enable the interrupt on the requested crtc (all asics).
>   * Returns 0 on success, -EINVAL on failure.
>   */
> -int radeon_enable_vblank_kms(struct drm_device *dev, int crtc)
> +int radeon_enable_vblank_kms(struct drm_device *dev, unsigned int crtc)
>  {
>  	struct radeon_device *rdev = dev->dev_private;
>  	unsigned long irqflags;
> @@ -856,7 +856,7 @@ int radeon_enable_vblank_kms(struct drm_device
> *dev, int crtc)
>   *
>   * Disable the interrupt on the requested crtc (all asics).
>   */
> -void radeon_disable_vblank_kms(struct drm_device *dev, int crtc)
> +void radeon_disable_vblank_kms(struct drm_device *dev, unsigned int
> crtc)
>  {
>  	struct radeon_device *rdev = dev->dev_private;
>  	unsigned long irqflags;
> @@ -885,7 +885,7 @@ void radeon_disable_vblank_kms(struct drm_device
> *dev, int crtc)
>   * scanout position.  (all asics).
>   * Returns postive status flags on success, negative error on failure.
>   */
> -int radeon_get_vblank_timestamp_kms(struct drm_device *dev, int crtc,
> +int radeon_get_vblank_timestamp_kms(struct drm_device *dev, unsigned
> int crtc,
>  				    int *max_error,
>  				    struct timeval *vblank_time,
>  				    unsigned flags)
> diff --git a/drivers/gpu/drm/radeon/radeon_object.c
> b/drivers/gpu/drm/radeon/radeon_object.c
> index be30861..841aa89 100644
> --- a/drivers/gpu/drm/radeon/radeon_object.c
> +++ b/drivers/gpu/drm/radeon/radeon_object.c
> @@ -38,8 +38,6 @@
>  #include "radeon_trace.h"
> 
> 
> -int radeon_ttm_init(struct radeon_device *rdev);
> -void radeon_ttm_fini(struct radeon_device *rdev);
>  static void radeon_bo_clear_surface_reg(struct radeon_bo *bo);
> 
>  /*
> diff --git a/drivers/gpu/drm/radeon/rv730_dpm.c
> b/drivers/gpu/drm/radeon/rv730_dpm.c
> index d37ba2c..ff203ed 100644
> --- a/drivers/gpu/drm/radeon/rv730_dpm.c
> +++ b/drivers/gpu/drm/radeon/rv730_dpm.c
> @@ -34,9 +34,6 @@
>  #define MC_CG_ARB_FREQ_F2           0x0c
>  #define MC_CG_ARB_FREQ_F3           0x0d
> 
> -struct rv7xx_ps *rv770_get_ps(struct radeon_ps *rps);
> -struct rv7xx_power_info *rv770_get_pi(struct radeon_device *rdev);
> -
>  int rv730_populate_sclk_value(struct radeon_device *rdev,
>  			      u32 engine_clock,
>  			      RV770_SMC_SCLK_VALUE *sclk)
> diff --git a/drivers/gpu/drm/radeon/rv740_dpm.c
> b/drivers/gpu/drm/radeon/rv740_dpm.c
> index 4b85082..2b390e1 100644
> --- a/drivers/gpu/drm/radeon/rv740_dpm.c
> +++ b/drivers/gpu/drm/radeon/rv740_dpm.c
> @@ -29,8 +29,6 @@
>  #include "rv770_dpm.h"
>  #include "atom.h"
> 
> -struct rv7xx_power_info *rv770_get_pi(struct radeon_device *rdev);
> -
>  u32 rv740_get_decoded_reference_divider(u32 encoded_ref)
>  {
>  	u32 ref = 0;
> diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
> index 7ee9aaf..e5ceeb4 100644
> --- a/drivers/gpu/drm/radeon/si.c
> +++ b/drivers/gpu/drm/radeon/si.c
> @@ -119,16 +119,6 @@ MODULE_FIRMWARE("radeon/hainan_k_smc.bin");
>  static u32 si_get_cu_active_bitmap(struct radeon_device *rdev, u32 se, u32
> sh);
>  static void si_pcie_gen3_enable(struct radeon_device *rdev);
>  static void si_program_aspm(struct radeon_device *rdev);
> -extern void sumo_rlc_fini(struct radeon_device *rdev);
> -extern int sumo_rlc_init(struct radeon_device *rdev);
> -extern int r600_ih_ring_alloc(struct radeon_device *rdev);
> -extern void r600_ih_ring_fini(struct radeon_device *rdev);
> -extern void evergreen_fix_pci_max_read_req_size(struct radeon_device
> *rdev);
> -extern void evergreen_mc_stop(struct radeon_device *rdev, struct
> evergreen_mc_save *save);
> -extern void evergreen_mc_resume(struct radeon_device *rdev, struct
> evergreen_mc_save *save);
> -extern u32 evergreen_get_number_of_dram_channels(struct
> radeon_device *rdev);
> -extern void evergreen_print_gpu_status_regs(struct radeon_device
> *rdev);
> -extern bool evergreen_is_display_hung(struct radeon_device *rdev);
>  static void si_enable_gui_idle_interrupt(struct radeon_device *rdev,
>  					 bool enable);
>  static void si_init_pg(struct radeon_device *rdev);
> diff --git a/drivers/gpu/drm/radeon/si_dma.c
> b/drivers/gpu/drm/radeon/si_dma.c
> index 8320792..afe19f8d 100644
> --- a/drivers/gpu/drm/radeon/si_dma.c
> +++ b/drivers/gpu/drm/radeon/si_dma.c
> @@ -27,8 +27,6 @@
>  #include "radeon_trace.h"
>  #include "sid.h"
> 
> -u32 si_gpu_check_soft_reset(struct radeon_device *rdev);
> -
>  /**
>   * si_dma_is_lockup - Check if the DMA engine is locked up
>   *
> diff --git a/drivers/gpu/drm/radeon/si_dpm.c
> b/drivers/gpu/drm/radeon/si_dpm.c
> index e6abc09..0a5aff5 100644
> --- a/drivers/gpu/drm/radeon/si_dpm.c
> +++ b/drivers/gpu/drm/radeon/si_dpm.c
> @@ -1734,14 +1734,6 @@ static const struct si_powertune_data
> powertune_data_hainan =
>  	true
>  };
> 
> -struct rv7xx_power_info *rv770_get_pi(struct radeon_device *rdev);
> -struct evergreen_power_info *evergreen_get_pi(struct radeon_device
> *rdev);
> -struct ni_power_info *ni_get_pi(struct radeon_device *rdev);
> -struct ni_ps *ni_get_ps(struct radeon_ps *rps);
> -
> -extern int si_mc_load_microcode(struct radeon_device *rdev);
> -extern void vce_v1_0_enable_mgcg(struct radeon_device *rdev, bool
> enable);
> -
>  static int si_populate_voltage_value(struct radeon_device *rdev,
>  				     const struct atom_voltage_table *table,
>  				     u16 value,
> SISLANDS_SMC_VOLTAGE_VALUE *voltage);
> diff --git a/drivers/gpu/drm/radeon/sumo_smc.c
> b/drivers/gpu/drm/radeon/sumo_smc.c
> index fb081d2..05ed103 100644
> --- a/drivers/gpu/drm/radeon/sumo_smc.c
> +++ b/drivers/gpu/drm/radeon/sumo_smc.c
> @@ -31,8 +31,6 @@
>  #define SUMO_SMU_SERVICE_ROUTINE_ALTVDDNB_NOTIFY  27
>  #define SUMO_SMU_SERVICE_ROUTINE_GFX_SRV_ID_20  20
> 
> -struct sumo_power_info *sumo_get_pi(struct radeon_device *rdev);
> -
>  static void sumo_send_msg_to_smu(struct radeon_device *rdev, u32 id)
>  {
>  	u32 gfx_int_req;
> diff --git a/drivers/gpu/drm/radeon/trinity_dpm.c
> b/drivers/gpu/drm/radeon/trinity_dpm.c
> index 6730367..2d423b5 100644
> --- a/drivers/gpu/drm/radeon/trinity_dpm.c
> +++ b/drivers/gpu/drm/radeon/trinity_dpm.c
> @@ -336,7 +336,6 @@ static const u32 trinity_override_mgpg_sequences[] =
>  	0x00000204, 0x00000000,
>  };
> 
> -extern void vce_v1_0_enable_mgcg(struct radeon_device *rdev, bool
> enable);
>  static void trinity_program_clk_gating_hw_sequence(struct radeon_device
> *rdev,
>  						   const u32 *seq, u32 count);
>  static void trinity_override_dynamic_mg_powergating(struct radeon_device
> *rdev);
> --
> 2.7.4

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