[PATCH 06/10] drm/amd/display: fix function scopes
Rodrigo Siqueira Jordao
rjordrigo at amd.com
Wed Dec 8 14:59:23 UTC 2021
Hi Isabella,
First of all, thanks a lot for sending this patch. This is a very
welcome improvement to display code :)
I added a few comments inline.
On 2021-12-07 8:25 p.m., Isabella Basso wrote:
> This turns previously global functions into static, thus removing
> compile-time warnings such as:
>
> warning: no previous prototype for 'get_highest_allowed_voltage_level'
> [-Wmissing-prototypes]
> 742 | unsigned int get_highest_allowed_voltage_level(uint32_t chip_family, uint32_t hw_internal_rev, uint32_t pci_revision_id)
> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> warning: no previous prototype for 'rv1_vbios_smu_send_msg_with_param'
> [-Wmissing-prototypes]
> 102 | int rv1_vbios_smu_send_msg_with_param(struct clk_mgr_internal *clk_mgr, unsigned int msg_id, unsigned int param)
> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
> Signed-off-by: Isabella Basso <isabbasso at riseup.net>
> ---
> .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 19 +++++--
> .../gpu/drm/amd/display/dc/calcs/dcn_calcs.c | 4 +-
> .../display/dc/clk_mgr/dcn10/rv1_clk_mgr.c | 2 +-
> .../display/dc/clk_mgr/dcn20/dcn20_clk_mgr.c | 2 +-
> .../dc/clk_mgr/dcn201/dcn201_clk_mgr.c | 5 +-
> .../amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c | 14 ++---
> .../dc/clk_mgr/dcn21/rn_clk_mgr_vbios_smu.c | 4 +-
> .../display/dc/clk_mgr/dcn301/dcn301_smu.c | 6 +-
> .../display/dc/clk_mgr/dcn301/vg_clk_mgr.c | 10 ++--
> .../display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c | 9 +--
> .../amd/display/dc/clk_mgr/dcn31/dcn31_smu.c | 6 +-
> drivers/gpu/drm/amd/display/dc/core/dc_link.c | 3 +-
> .../gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c | 2 +-
> .../drm/amd/display/dc/dcn10/dcn10_dpp_dscl.c | 5 +-
> .../amd/display/dc/dcn10/dcn10_hw_sequencer.c | 16 +++---
> .../gpu/drm/amd/display/dc/dcn10/dcn10_opp.c | 5 +-
> .../gpu/drm/amd/display/dc/dcn10/dcn10_optc.c | 8 +--
> .../drm/amd/display/dc/dcn10/dcn10_resource.c | 21 ++++---
> .../gpu/drm/amd/display/dc/dcn20/dcn20_dpp.c | 5 +-
> .../drm/amd/display/dc/dcn20/dcn20_dwb_scl.c | 4 +-
> .../gpu/drm/amd/display/dc/dcn20/dcn20_hubp.c | 7 +--
> .../drm/amd/display/dc/dcn20/dcn20_hwseq.c | 6 +-
> .../gpu/drm/amd/display/dc/dcn20/dcn20_mpc.c | 8 +--
> .../gpu/drm/amd/display/dc/dcn20/dcn20_optc.c | 21 ++++---
> .../drm/amd/display/dc/dcn201/dcn201_dccg.c | 3 +-
> .../drm/amd/display/dc/dcn201/dcn201_hubp.c | 7 +--
> .../display/dc/dcn201/dcn201_link_encoder.c | 7 ++-
> .../amd/display/dc/dcn201/dcn201_resource.c | 19 +++----
> .../drm/amd/display/dc/dcn21/dcn21_hubbub.c | 2 +-
> .../gpu/drm/amd/display/dc/dcn21/dcn21_hubp.c | 16 +++---
> .../amd/display/dc/dcn21/dcn21_link_encoder.c | 9 ++-
> .../drm/amd/display/dc/dcn21/dcn21_resource.c | 34 +++++------
> .../dc/dcn30/dcn30_dio_stream_encoder.c | 8 +--
> .../gpu/drm/amd/display/dc/dcn30/dcn30_dpp.c | 27 ++++-----
> .../drm/amd/display/dc/dcn30/dcn30_mmhubbub.c | 2 +-
> .../gpu/drm/amd/display/dc/dcn30/dcn30_mpc.c | 2 +-
> .../drm/amd/display/dc/dcn30/dcn30_resource.c | 13 ++---
> .../amd/display/dc/dcn301/dcn301_panel_cntl.c | 10 ++--
> .../amd/display/dc/dcn301/dcn301_resource.c | 56 +++++++++----------
> .../gpu/drm/amd/display/dc/dcn31/dcn31_dccg.c | 2 +-
> .../display/dc/dcn31/dcn31_dio_link_encoder.c | 2 +-
> .../amd/display/dc/dcn31/dcn31_panel_cntl.c | 10 ++--
> .../drm/amd/display/dc/dcn31/dcn31_resource.c | 4 +-
> .../dc/dml/dcn21/display_rq_dlg_calc_21.c | 3 +-
> .../display/dc/irq/dcn10/irq_service_dcn10.c | 7 +--
> .../dc/irq/dcn201/irq_service_dcn201.c | 7 +--
> .../display/dc/irq/dcn21/irq_service_dcn21.c | 7 +--
> .../display/dc/irq/dcn31/irq_service_dcn31.c | 7 +--
> 48 files changed, 225 insertions(+), 231 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 26c65c72eb75..85472d0121c1 100644
> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> @@ -632,7 +632,8 @@ static void dm_dcn_vertical_interrupt0_high_irq(void *interrupt_params)
> * Copies dmub notification to DM which is to be read by AUX command.
> * issuing thread and also signals the event to wake up the thread.
> */
> -void dmub_aux_setconfig_callback(struct amdgpu_device *adev, struct dmub_notification *notify)
> +static void dmub_aux_setconfig_callback(struct amdgpu_device *adev, struct
> + dmub_notification *notify)
Coding style:
Let's keep dmub_notification next to the struct. I think it is more
readable this way.
> {
> if (adev->dm.dmub_notify)
> memcpy(adev->dm.dmub_notify, notify, sizeof(struct dmub_notification));
> @@ -648,7 +649,8 @@ void dmub_aux_setconfig_callback(struct amdgpu_device *adev, struct dmub_notific
> * Dmub Hpd interrupt processing callback. Gets displayindex through the
> * ink index and calls helper to do the processing.
> */
> -void dmub_hpd_callback(struct amdgpu_device *adev, struct dmub_notification *notify)
> +static void dmub_hpd_callback(struct amdgpu_device *adev, struct
> + dmub_notification *notify)
Same idea from my previous comment. Actually, could you fix this for
this entire patch?
> {
> struct amdgpu_dm_connector *aconnector;
> struct amdgpu_dm_connector *hpd_aconnector = NULL;
> @@ -705,8 +707,11 @@ void dmub_hpd_callback(struct amdgpu_device *adev, struct dmub_notification *not
> * to dmub interrupt handling thread
> * Return: true if successfully registered, false if there is existing registration
> */
> -bool register_dmub_notify_callback(struct amdgpu_device *adev, enum dmub_notification_type type,
> -dmub_notify_interrupt_callback_t callback, bool dmub_int_thread_offload)
> +static bool register_dmub_notify_callback(struct amdgpu_device *adev, enum
> + dmub_notification_type type,
> + dmub_notify_interrupt_callback_t
> + callback, bool
> + dmub_int_thread_offload)
Notice that we have the data type in one line and the parameter name in
another line. Let's keep both in the same line.
(This comment extends to other parts of this patch)
> {
> if (callback != NULL && type < ARRAY_SIZE(adev->dm.dmub_thread_offload)) {
> adev->dm.dmub_callback[type] = callback;
> @@ -11614,8 +11619,10 @@ uint32_t dm_read_reg_func(const struct dc_context *ctx, uint32_t address,
> return value;
> }
>
> -int amdgpu_dm_set_dmub_async_sync_status(bool is_cmd_aux, struct dc_context *ctx,
> - uint8_t status_type, uint32_t *operation_result)
> +static int amdgpu_dm_set_dmub_async_sync_status(bool is_cmd_aux, struct
> + dc_context *ctx, uint8_t
> + status_type, uint32_t
> + *operation_result)
> {
> struct amdgpu_device *adev = ctx->driver_context;
> int return_status = -1;
> diff --git a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c b/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c
> index c8b0a2f05b4d..ec19678a0702 100644
> --- a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c
> +++ b/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c
> @@ -739,7 +739,9 @@ static void hack_bounding_box(struct dcn_bw_internal_vars *v,
> hack_force_pipe_split(v, context->streams[0]->timing.pix_clk_100hz);
> }
>
> -unsigned int get_highest_allowed_voltage_level(uint32_t chip_family, uint32_t hw_internal_rev, uint32_t pci_revision_id)
> +static unsigned int get_highest_allowed_voltage_level(uint32_t chip_family,
> + uint32_t hw_internal_rev,
> + uint32_t pci_revision_id)
> {
> /* for low power RV2 variants, the highest voltage level we want is 0 */
> if ((chip_family == FAMILY_RV) &&
> diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn10/rv1_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn10/rv1_clk_mgr.c
> index 76ec8ec92efd..60761ff3cbf1 100644
> --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn10/rv1_clk_mgr.c
> +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn10/rv1_clk_mgr.c
> @@ -34,7 +34,7 @@
> #include "rv1_clk_mgr_vbios_smu.h"
> #include "rv1_clk_mgr_clk.h"
>
> -void rv1_init_clocks(struct clk_mgr *clk_mgr)
> +static void rv1_init_clocks(struct clk_mgr *clk_mgr)
> {
> memset(&(clk_mgr->clks), 0, sizeof(struct dc_clocks));
> }
> diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn20/dcn20_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn20/dcn20_clk_mgr.c
> index 2108bff49d4e..9f35f2e8f971 100644
> --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn20/dcn20_clk_mgr.c
> +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn20/dcn20_clk_mgr.c
> @@ -409,7 +409,7 @@ void dcn2_init_clocks(struct clk_mgr *clk_mgr)
> clk_mgr->clks.prev_p_state_change_support = true;
> }
>
> -void dcn2_enable_pme_wa(struct clk_mgr *clk_mgr_base)
> +static void dcn2_enable_pme_wa(struct clk_mgr *clk_mgr_base)
> {
> struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base);
> struct pp_smu_funcs_nv *pp_smu = NULL;
> diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn201/dcn201_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn201/dcn201_clk_mgr.c
> index db9950244c7b..f7f46b886162 100644
> --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn201/dcn201_clk_mgr.c
> +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn201/dcn201_clk_mgr.c
> @@ -74,9 +74,8 @@ static const struct clk_mgr_mask clk_mgr_mask = {
> CLK_COMMON_MASK_SH_LIST_DCN201_BASE(_MASK)
> };
>
> -void dcn201_update_clocks_vbios(struct clk_mgr *clk_mgr,
> - struct dc_state *context,
> - bool safe_to_lower)
> +static void dcn201_update_clocks_vbios(struct clk_mgr *clk_mgr, struct dc_state
> + *context, bool safe_to_lower)
> {
> struct dc_clocks *new_clocks = &context->bw_ctx.bw.dcn.clk;
>
> diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c
> index ac2d4c4f04e4..5dad77a5376d 100644
> --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c
> +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c
> @@ -56,9 +56,7 @@
>
>
> /* TODO: evaluate how to lower or disable all dcn clocks in screen off case */
> -int rn_get_active_display_cnt_wa(
> - struct dc *dc,
> - struct dc_state *context)
> +static int rn_get_active_display_cnt_wa(struct dc *dc, struct dc_state *context)
> {
> int i, display_count;
> bool tmds_present = false;
> @@ -88,7 +86,7 @@ int rn_get_active_display_cnt_wa(
> return display_count;
> }
>
> -void rn_set_low_power_state(struct clk_mgr *clk_mgr_base)
> +static void rn_set_low_power_state(struct clk_mgr *clk_mgr_base)
> {
> struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base);
>
> @@ -122,7 +120,7 @@ static void rn_update_clocks_update_dpp_dto(struct clk_mgr_internal *clk_mgr,
> }
>
>
> -void rn_update_clocks(struct clk_mgr *clk_mgr_base,
> +static void rn_update_clocks(struct clk_mgr *clk_mgr_base,
> struct dc_state *context,
> bool safe_to_lower)
> {
> @@ -438,7 +436,7 @@ static void rn_dump_clk_registers(struct clk_state_registers_and_bypass *regs_an
> }
>
> /* This function produce translated logical clk state values*/
> -void rn_get_clk_states(struct clk_mgr *clk_mgr_base, struct clk_states *s)
> +static void rn_get_clk_states(struct clk_mgr *clk_mgr_base, struct clk_states *s)
> {
> struct clk_state_registers_and_bypass sb = { 0 };
> struct clk_log_info log_info = { 0 };
> @@ -448,14 +446,14 @@ void rn_get_clk_states(struct clk_mgr *clk_mgr_base, struct clk_states *s)
> s->dprefclk_khz = sb.dprefclk * 1000;
> }
>
> -void rn_enable_pme_wa(struct clk_mgr *clk_mgr_base)
> +static void rn_enable_pme_wa(struct clk_mgr *clk_mgr_base)
> {
> struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base);
>
> rn_vbios_smu_enable_pme_wa(clk_mgr);
> }
>
> -void rn_init_clocks(struct clk_mgr *clk_mgr)
> +static void rn_init_clocks(struct clk_mgr *clk_mgr)
> {
> memset(&(clk_mgr->clks), 0, sizeof(struct dc_clocks));
> // Assumption is that boot state always supports pstate
> diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr_vbios_smu.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr_vbios_smu.c
> index 9f7eed6688c4..0c963fc0523f 100644
> --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr_vbios_smu.c
> +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr_vbios_smu.c
> @@ -86,7 +86,9 @@ static uint32_t rn_smu_wait_for_response(struct clk_mgr_internal *clk_mgr, unsig
> }
>
>
> -int rn_vbios_smu_send_msg_with_param(struct clk_mgr_internal *clk_mgr, unsigned int msg_id, unsigned int param)
> +static int rn_vbios_smu_send_msg_with_param(struct clk_mgr_internal *clk_mgr,
> + unsigned int msg_id,
> + unsigned int param)
> {
> uint32_t result;
>
> diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn301/dcn301_smu.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn301/dcn301_smu.c
> index 6ea642615854..c8cea4fa8c53 100644
> --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn301/dcn301_smu.c
> +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn301/dcn301_smu.c
> @@ -88,9 +88,9 @@ static uint32_t dcn301_smu_wait_for_response(struct clk_mgr_internal *clk_mgr, u
> return res_val;
> }
>
> -int dcn301_smu_send_msg_with_param(
> - struct clk_mgr_internal *clk_mgr,
> - unsigned int msg_id, unsigned int param)
> +static int dcn301_smu_send_msg_with_param(struct clk_mgr_internal *clk_mgr,
> + unsigned int msg_id, unsigned int
> + param)
> {
> uint32_t result;
>
> diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn301/vg_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn301/vg_clk_mgr.c
> index 3eee32faa208..547a89a99fc0 100644
> --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn301/vg_clk_mgr.c
> +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn301/vg_clk_mgr.c
> @@ -89,9 +89,8 @@ static int vg_get_active_display_cnt_wa(
> return display_count;
> }
>
> -void vg_update_clocks(struct clk_mgr *clk_mgr_base,
> - struct dc_state *context,
> - bool safe_to_lower)
> +static void vg_update_clocks(struct clk_mgr *clk_mgr_base, struct dc_state
> + *context, bool safe_to_lower)
> {
> struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base);
> struct dc_clocks *new_clocks = &context->bw_ctx.bw.dcn.clk;
> @@ -368,7 +367,8 @@ static void vg_dump_clk_registers(struct clk_state_registers_and_bypass *regs_an
> }
>
> /* This function produce translated logical clk state values*/
> -void vg_get_clk_states(struct clk_mgr *clk_mgr_base, struct clk_states *s)
> +static void vg_get_clk_states(struct clk_mgr *clk_mgr_base, struct clk_states
> + *s)
> {
I search for vg_get_clk_states in the codebase and it looks like that we
never used it; as a result, after this change, we have a new warning
which is:
‘vg_get_clk_states’ defined but not used
In this sense, I think you can drop this function. A simple way to check
these cases is changing the display Makefile
(drivers/gpu/drm/amd/display/Makefile) by adding:
subdir-ccflags-y += -Werror
Thanks
Siqueira
> struct clk_state_registers_and_bypass sb = { 0 };
> @@ -386,7 +386,7 @@ static void vg_enable_pme_wa(struct clk_mgr *clk_mgr_base)
> dcn301_smu_enable_pme_wa(clk_mgr);
> }
>
> -void vg_init_clocks(struct clk_mgr *clk_mgr)
> +static void vg_init_clocks(struct clk_mgr *clk_mgr)
> {
> memset(&(clk_mgr->clks), 0, sizeof(struct dc_clocks));
> // Assumption is that boot state always supports pstate
> diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c
> index a13ff1783b9b..2235ade2cae7 100644
> --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c
> +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c
> @@ -540,10 +540,11 @@ static unsigned int find_clk_for_voltage(
> return clock;
> }
>
> -void dcn31_clk_mgr_helper_populate_bw_params(
> - struct clk_mgr_internal *clk_mgr,
> - struct integrated_info *bios_info,
> - const DpmClocks_t *clock_table)
> +static void dcn31_clk_mgr_helper_populate_bw_params(struct clk_mgr_internal
> + *clk_mgr, struct
> + integrated_info *bios_info,
> + const DpmClocks_t
> + *clock_table)
> {
> int i, j;
> struct clk_bw_params *bw_params = clk_mgr->base.bw_params;
> diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_smu.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_smu.c
> index 8c2b77eb9459..c738b80ebd6e 100644
> --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_smu.c
> +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_smu.c
> @@ -95,9 +95,9 @@ static uint32_t dcn31_smu_wait_for_response(struct clk_mgr_internal *clk_mgr, un
> return res_val;
> }
>
> -int dcn31_smu_send_msg_with_param(
> - struct clk_mgr_internal *clk_mgr,
> - unsigned int msg_id, unsigned int param)
> +static int dcn31_smu_send_msg_with_param(struct clk_mgr_internal *clk_mgr,
> + unsigned int msg_id, unsigned int
> + param)
> {
> uint32_t result;
>
> diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
> index 9639d7a7f03e..c95ad837c337 100644
> --- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
> +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
> @@ -3416,7 +3416,8 @@ static void dc_log_vcp_x_y(const struct dc_link *link, struct fixed31_32 avg_tim
> /*
> * Payload allocation/deallocation for SST introduced in DP2.0
> */
> -enum dc_status dc_link_update_sst_payload(struct pipe_ctx *pipe_ctx, bool allocate)
> +static enum dc_status dc_link_update_sst_payload(struct pipe_ctx *pipe_ctx, bool
> + allocate)
> {
> struct dc_stream_state *stream = pipe_ctx->stream;
> struct dc_link *link = stream->link;
> diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c
> index 91fdfcd8a14e..9a7539aca69b 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c
> +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c
> @@ -120,7 +120,7 @@ void dpp_read_state(struct dpp *dpp_base,
> }
>
> /* Program gamut remap in bypass mode */
> -void dpp_set_gamut_remap_bypass(struct dcn10_dpp *dpp)
> +static void dpp_set_gamut_remap_bypass(struct dcn10_dpp *dpp)
> {
> REG_SET(CM_GAMUT_REMAP_CONTROL, 0,
> CM_GAMUT_REMAP_MODE, 0);
> diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_dscl.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_dscl.c
> index e31a6f1516bb..4ea7f003fa2c 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_dscl.c
> +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_dscl.c
> @@ -555,9 +555,8 @@ static enum lb_memory_config dpp1_dscl_find_lb_memory_config(struct dcn10_dpp *d
> return LB_MEMORY_CONFIG_0;
> }
>
> -void dpp1_dscl_set_scaler_auto_scale(
> - struct dpp *dpp_base,
> - const struct scaler_data *scl_data)
> +static void dpp1_dscl_set_scaler_auto_scale(struct dpp *dpp_base, const struct
> + scaler_data *scl_data)
> {
> enum lb_memory_config lb_config;
> struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
> diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
> index a2b925cc4132..e5a2790546d5 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
> +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
> @@ -77,7 +77,7 @@
> #define PGFSM_POWER_ON 0
> #define PGFSM_POWER_OFF 2
>
> -void print_microsec(struct dc_context *dc_ctx,
> +static void print_microsec(struct dc_context *dc_ctx,
> struct dc_log_buffer_ctx *log_ctx,
> uint32_t ref_cycle)
> {
> @@ -132,7 +132,8 @@ static void log_mpc_crc(struct dc *dc,
> REG_READ(DPP_TOP0_DPP_CRC_VAL_B_A), REG_READ(DPP_TOP0_DPP_CRC_VAL_R_G));
> }
>
> -void dcn10_log_hubbub_state(struct dc *dc, struct dc_log_buffer_ctx *log_ctx)
> +static void dcn10_log_hubbub_state(struct dc *dc, struct dc_log_buffer_ctx
> + *log_ctx)
> {
> struct dc_context *dc_ctx = dc->ctx;
> struct dcn_hubbub_wm wm;
> @@ -1972,7 +1973,7 @@ static bool wait_for_reset_trigger_to_occur(
> return rc;
> }
>
> -uint64_t reduceSizeAndFraction(
> +static uint64_t reduceSizeAndFraction(
> uint64_t *numerator,
> uint64_t *denominator,
> bool checkUint32Bounary)
> @@ -2023,7 +2024,7 @@ uint64_t reduceSizeAndFraction(
> return ret;
> }
>
> -bool is_low_refresh_rate(struct pipe_ctx *pipe)
> +static bool is_low_refresh_rate(struct pipe_ctx *pipe)
> {
> uint32_t master_pipe_refresh_rate =
> pipe->stream->timing.pix_clk_100hz * 100 /
> @@ -2032,7 +2033,8 @@ bool is_low_refresh_rate(struct pipe_ctx *pipe)
> return master_pipe_refresh_rate <= 30;
> }
>
> -uint8_t get_clock_divider(struct pipe_ctx *pipe, bool account_low_refresh_rate)
> +static uint8_t get_clock_divider(struct pipe_ctx *pipe, bool
> + account_low_refresh_rate)
> {
> uint32_t clock_divider = 1;
> uint32_t numpipes = 1;
> @@ -2052,7 +2054,7 @@ uint8_t get_clock_divider(struct pipe_ctx *pipe, bool account_low_refresh_rate)
> return clock_divider;
> }
>
> -int dcn10_align_pixel_clocks(
> +static int dcn10_align_pixel_clocks(
> struct dc *dc,
> int group_size,
> struct pipe_ctx *grouped_pipes[])
> @@ -2344,7 +2346,7 @@ static void mmhub_read_vm_context0_settings(struct dcn10_hubp *hubp1,
> }
>
>
> -void dcn10_program_pte_vm(struct dce_hwseq *hws, struct hubp *hubp)
> +static void dcn10_program_pte_vm(struct dce_hwseq *hws, struct hubp *hubp)
> {
> struct dcn10_hubp *hubp1 = TO_DCN10_HUBP(hubp);
> struct vm_system_aperture_param apt = {0};
> diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_opp.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_opp.c
> index d54d731415d7..69f79584c7e9 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_opp.c
> +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_opp.c
> @@ -348,9 +348,8 @@ void opp1_program_stereo(
> */
> }
>
> -void opp1_program_oppbuf(
> - struct output_pixel_processor *opp,
> - struct oppbuf_params *oppbuf)
> +static void opp1_program_oppbuf(struct output_pixel_processor *opp, struct
> + oppbuf_params *oppbuf)
> {
> struct dcn10_opp *oppn10 = TO_DCN10_OPP(opp);
>
> diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c
> index 3d2a2848857a..478ea88ad535 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c
> +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c
> @@ -136,8 +136,8 @@ void optc1_setup_vertical_interrupt2(
> * Start offset begins with vstartup and goes for x number of clocks,
> * end offset starts from end of vupdate to x number of clocks.
> */
> -void optc1_set_vupdate_keepout(struct timing_generator *optc,
> - struct vupdate_keepout_params *params)
> +static void optc1_set_vupdate_keepout(struct timing_generator *optc, struct
> + vupdate_keepout_params *params)
> {
> struct optc *optc1 = DCN10TG_FROM_TG(optc);
>
> @@ -876,7 +876,7 @@ void optc1_set_static_screen_control(
> OTG_STATIC_SCREEN_FRAME_COUNT, num_frames);
> }
>
> -void optc1_setup_manual_trigger(struct timing_generator *optc)
> +static void optc1_setup_manual_trigger(struct timing_generator *optc)
> {
> struct optc *optc1 = DCN10TG_FROM_TG(optc);
>
> @@ -894,7 +894,7 @@ void optc1_setup_manual_trigger(struct timing_generator *optc)
> OTG_TRIGA_CLEAR, 1);
> }
>
> -void optc1_program_manual_trigger(struct timing_generator *optc)
> +static void optc1_program_manual_trigger(struct timing_generator *optc)
> {
> struct optc *optc1 = DCN10TG_FROM_TG(optc);
>
> diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
> index 19a2dd619ec7..521a085acd09 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
> +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
> @@ -686,9 +686,8 @@ static struct output_pixel_processor *dcn10_opp_create(
> return &opp->base;
> }
>
> -struct dce_aux *dcn10_aux_engine_create(
> - struct dc_context *ctx,
> - uint32_t inst)
> +static struct dce_aux *dcn10_aux_engine_create(struct dc_context *ctx, uint32_t
> + inst)
> {
> struct aux_engine_dce110 *aux_engine =
> kzalloc(sizeof(struct aux_engine_dce110), GFP_KERNEL);
> @@ -724,9 +723,8 @@ static const struct dce_i2c_mask i2c_masks = {
> I2C_COMMON_MASK_SH_LIST_DCE110(_MASK)
> };
>
> -struct dce_i2c_hw *dcn10_i2c_hw_create(
> - struct dc_context *ctx,
> - uint32_t inst)
> +static struct dce_i2c_hw *dcn10_i2c_hw_create(struct dc_context *ctx, uint32_t
> + inst)
> {
> struct dce_i2c_hw *dce_i2c_hw =
> kzalloc(sizeof(struct dce_i2c_hw), GFP_KERNEL);
> @@ -805,8 +803,9 @@ static const struct encoder_feature_support link_enc_feature = {
> .flags.bits.IS_TPS4_CAPABLE = true
> };
>
> -struct link_encoder *dcn10_link_encoder_create(
> - const struct encoder_init_data *enc_init_data)
> +static struct link_encoder *dcn10_link_encoder_create(const struct
> + encoder_init_data
> + *enc_init_data)
> {
> struct dcn10_link_encoder *enc10 =
> kzalloc(sizeof(struct dcn10_link_encoder), GFP_KERNEL);
> @@ -847,7 +846,7 @@ static struct panel_cntl *dcn10_panel_cntl_create(const struct panel_cntl_init_d
> return &panel_cntl->base;
> }
>
> -struct clock_source *dcn10_clock_source_create(
> +static struct clock_source *dcn10_clock_source_create(
> struct dc_context *ctx,
> struct dc_bios *bios,
> enum clock_source_id id,
> @@ -945,7 +944,7 @@ static const struct resource_create_funcs res_create_maximus_funcs = {
> .create_hwseq = dcn10_hwseq_create,
> };
>
> -void dcn10_clock_source_destroy(struct clock_source **clk_src)
> +static void dcn10_clock_source_destroy(struct clock_source **clk_src)
> {
> kfree(TO_DCE110_CLK_SRC(*clk_src));
> *clk_src = NULL;
> @@ -1122,7 +1121,7 @@ static enum dc_status build_mapped_resource(
> return DC_OK;
> }
>
> -enum dc_status dcn10_add_stream_to_ctx(
> +static enum dc_status dcn10_add_stream_to_ctx(
> struct dc *dc,
> struct dc_state *new_ctx,
> struct dc_stream_state *dc_stream)
> diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dpp.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dpp.c
> index a9e420c7d75a..0b63a83a573f 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dpp.c
> +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dpp.c
> @@ -251,9 +251,8 @@ static void dpp2_cnv_setup (
>
> }
>
> -void dpp2_cnv_set_bias_scale(
> - struct dpp *dpp_base,
> - struct dc_bias_and_scale *bias_and_scale)
> +static void dpp2_cnv_set_bias_scale(struct dpp *dpp_base, struct
> + dc_bias_and_scale *bias_and_scale)
> {
> struct dcn20_dpp *dpp = TO_DCN20_DPP(dpp_base);
>
> diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dwb_scl.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dwb_scl.c
> index 880954ac0b02..994fb732a7cb 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dwb_scl.c
> +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dwb_scl.c
> @@ -527,7 +527,7 @@ static const uint16_t filter_12tap_16p_183[108] = {
> 0, 84, 16328, 16032, 416, 1944, 1944, 416, 16032, 16328, 84, 0,
> };
>
> -const uint16_t *wbscl_get_filter_3tap_16p(struct fixed31_32 ratio)
> +static const uint16_t *wbscl_get_filter_3tap_16p(struct fixed31_32 ratio)
> {
> if (ratio.value < dc_fixpt_one.value)
> return filter_3tap_16p_upscale;
> @@ -539,7 +539,7 @@ const uint16_t *wbscl_get_filter_3tap_16p(struct fixed31_32 ratio)
> return filter_3tap_16p_183;
> }
>
> -const uint16_t *wbscl_get_filter_4tap_16p(struct fixed31_32 ratio)
> +static const uint16_t *wbscl_get_filter_4tap_16p(struct fixed31_32 ratio)
> {
> if (ratio.value < dc_fixpt_one.value)
> return filter_4tap_16p_upscale;
> diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubp.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubp.c
> index 5adf42a7cc27..b06c730f280f 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubp.c
> +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubp.c
> @@ -192,9 +192,8 @@ void hubp2_vready_at_or_After_vsync(struct hubp *hubp,
> REG_UPDATE(DCHUBP_CNTL, HUBP_VREADY_AT_OR_AFTER_VSYNC, value);
> }
>
> -void hubp2_program_requestor(
> - struct hubp *hubp,
> - struct _vcs_dpi_display_rq_regs_st *rq_regs)
> +static void hubp2_program_requestor(struct hubp *hubp, struct
> + _vcs_dpi_display_rq_regs_st *rq_regs)
> {
> struct dcn20_hubp *hubp2 = TO_DCN20_HUBP(hubp);
>
> @@ -1285,7 +1284,7 @@ void hubp2_read_state(struct hubp *hubp)
>
> }
>
> -void hubp2_validate_dml_output(struct hubp *hubp,
> +static void hubp2_validate_dml_output(struct hubp *hubp,
> struct dc_context *ctx,
> struct _vcs_dpi_display_rq_regs_st *dml_rq_regs,
> struct _vcs_dpi_display_dlg_regs_st *dml_dlg_attr,
> diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
> index e6af99ae3d9f..f791d5fe929d 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
> +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
> @@ -1080,10 +1080,8 @@ static void dcn20_power_on_plane(
> }
> }
>
> -void dcn20_enable_plane(
> - struct dc *dc,
> - struct pipe_ctx *pipe_ctx,
> - struct dc_state *context)
> +static void dcn20_enable_plane(struct dc *dc, struct pipe_ctx *pipe_ctx, struct
> + dc_state *context)
> {
> //if (dc->debug.sanity_checks) {
> // dcn10_verify_allow_pstate_change_high(dc);
> diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_mpc.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_mpc.c
> index 947eb0df3f12..8b5b7f68a107 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_mpc.c
> +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_mpc.c
> @@ -400,10 +400,8 @@ static void mpc20_program_ogam_pwl(
>
> }
>
> -void apply_DEDCN20_305_wa(
> - struct mpc *mpc,
> - int mpcc_id, enum dc_lut_mode current_mode,
> - enum dc_lut_mode next_mode)
> +static void apply_DEDCN20_305_wa(struct mpc *mpc, int mpcc_id, enum dc_lut_mode
> + current_mode, enum dc_lut_mode next_mode)
> {
> struct dcn20_mpc *mpc20 = TO_DCN20_MPC(mpc);
>
> @@ -525,7 +523,7 @@ static void mpc2_init_mpcc(struct mpcc *mpcc, int mpcc_inst)
> mpcc->sm_cfg.enable = false;
> }
>
> -struct mpcc *mpc2_get_mpcc_for_dpp(struct mpc_tree *tree, int dpp_id)
> +static struct mpcc *mpc2_get_mpcc_for_dpp(struct mpc_tree *tree, int dpp_id)
> {
> struct mpcc *tmp_mpcc = tree->opp_list;
>
> diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_optc.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_optc.c
> index 8c34751b0e58..01a1eca32e91 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_optc.c
> +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_optc.c
> @@ -77,7 +77,7 @@ bool optc2_enable_crtc(struct timing_generator *optc)
> * for V_TOTAL, H_TOTAL, VTOTAL_MIN, VTOTAL_MAX, VTOTAL_MIN_SEL and VTOTAL_MAX_SEL registers
> * Options: anytime, start of frame, dp start of frame (range timing)
> */
> -void optc2_set_timing_db_mode(struct timing_generator *optc, bool enable)
> +static void optc2_set_timing_db_mode(struct timing_generator *optc, bool enable)
> {
> struct optc *optc1 = DCN10TG_FROM_TG(optc);
>
> @@ -111,8 +111,8 @@ void optc2_set_gsl(struct timing_generator *optc,
>
>
> /* Use the gsl allow flip as the master update lock */
> -void optc2_use_gsl_as_master_update_lock(struct timing_generator *optc,
> - const struct gsl_params *params)
> +static void optc2_use_gsl_as_master_update_lock(struct timing_generator *optc,
> + const struct gsl_params *params)
> {
> struct optc *optc1 = DCN10TG_FROM_TG(optc);
>
> @@ -121,8 +121,8 @@ void optc2_use_gsl_as_master_update_lock(struct timing_generator *optc,
> }
>
> /* You can control the GSL timing by limiting GSL to a window (X,Y) */
> -void optc2_set_gsl_window(struct timing_generator *optc,
> - const struct gsl_params *params)
> +static void optc2_set_gsl_window(struct timing_generator *optc, const struct
> + gsl_params *params)
> {
> struct optc *optc1 = DCN10TG_FROM_TG(optc);
>
> @@ -157,9 +157,8 @@ void optc2_set_gsl_source_select(
> }
>
> /* DSC encoder frame start controls: x = h position, line_num = # of lines from vstartup */
> -void optc2_set_dsc_encoder_frame_start(struct timing_generator *optc,
> - int x_position,
> - int line_num)
> +static void optc2_set_dsc_encoder_frame_start(struct timing_generator *optc, int
> + x_position, int line_num)
> {
> struct optc *optc1 = DCN10TG_FROM_TG(optc);
>
> @@ -293,8 +292,8 @@ void optc2_get_optc_source(struct timing_generator *optc,
> *num_of_src_opp = 1;
> }
>
> -void optc2_set_dwb_source(struct timing_generator *optc,
> - uint32_t dwb_pipe_inst)
> +static void optc2_set_dwb_source(struct timing_generator *optc, uint32_t
> + dwb_pipe_inst)
> {
> struct optc *optc1 = DCN10TG_FROM_TG(optc);
>
> @@ -306,7 +305,7 @@ void optc2_set_dwb_source(struct timing_generator *optc,
> OPTC_DWB1_SOURCE_SELECT, optc->inst);
> }
>
> -void optc2_align_vblanks(
> +static void optc2_align_vblanks(
> struct timing_generator *optc_master,
> struct timing_generator *optc_slave,
> uint32_t master_pixel_clock_100Hz,
> diff --git a/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_dccg.c b/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_dccg.c
> index f5bf04f7da25..d1de4f8ea713 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_dccg.c
> +++ b/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_dccg.c
> @@ -44,7 +44,8 @@
> #define DC_LOGGER \
> dccg->ctx->logger
>
> -void dccg201_update_dpp_dto(struct dccg *dccg, int dpp_inst, int req_dppclk)
> +static void dccg201_update_dpp_dto(struct dccg *dccg, int dpp_inst, int
> + req_dppclk)
> {
> /* vbios handles it */
> }
> diff --git a/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_hubp.c b/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_hubp.c
> index 6b6f74d4afd1..522bd7f593dc 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_hubp.c
> +++ b/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_hubp.c
> @@ -55,7 +55,7 @@ static void hubp201_program_surface_config(
> hubp1_program_pixel_format(hubp, format);
> }
>
> -void hubp201_program_deadline(
> +static void hubp201_program_deadline(
> struct hubp *hubp,
> struct _vcs_dpi_display_dlg_regs_st *dlg_attr,
> struct _vcs_dpi_display_ttu_regs_st *ttu_attr)
> @@ -63,9 +63,8 @@ void hubp201_program_deadline(
> hubp1_program_deadline(hubp, dlg_attr, ttu_attr);
> }
>
> -void hubp201_program_requestor(
> - struct hubp *hubp,
> - struct _vcs_dpi_display_rq_regs_st *rq_regs)
> +static void hubp201_program_requestor(struct hubp *hubp, struct
> + _vcs_dpi_display_rq_regs_st *rq_regs)
> {
> struct dcn201_hubp *hubp201 = TO_DCN201_HUBP(hubp);
>
> diff --git a/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_link_encoder.c b/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_link_encoder.c
> index a65e8f7801db..66141827740e 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_link_encoder.c
> +++ b/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_link_encoder.c
> @@ -50,8 +50,9 @@
> #define IND_REG(index) \
> (enc10->link_regs->index)
>
> -void dcn201_link_encoder_get_max_link_cap(struct link_encoder *enc,
> - struct dc_link_settings *link_settings)
> +static void dcn201_link_encoder_get_max_link_cap(struct link_encoder *enc,
> + struct dc_link_settings
> + *link_settings)
> {
> uint32_t value1, value2;
> struct dcn10_link_encoder *enc10 = TO_DCN10_LINK_ENC(enc);
> @@ -66,7 +67,7 @@ void dcn201_link_encoder_get_max_link_cap(struct link_encoder *enc,
> }
> }
>
> -bool dcn201_link_encoder_is_in_alt_mode(struct link_encoder *enc)
> +static bool dcn201_link_encoder_is_in_alt_mode(struct link_encoder *enc)
> {
> uint32_t value;
> struct dcn10_link_encoder *enc10 = TO_DCN10_LINK_ENC(enc);
> diff --git a/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_resource.c b/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_resource.c
> index 0fa381088d1d..767a8f84b629 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_resource.c
> +++ b/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_resource.c
> @@ -672,9 +672,8 @@ static struct output_pixel_processor *dcn201_opp_create(
> return &opp->base;
> }
>
> -struct dce_aux *dcn201_aux_engine_create(
> - struct dc_context *ctx,
> - uint32_t inst)
> +static struct dce_aux *dcn201_aux_engine_create(struct dc_context *ctx, uint32_t
> + inst)
> {
> struct aux_engine_dce110 *aux_engine =
> kzalloc(sizeof(struct aux_engine_dce110), GFP_ATOMIC);
> @@ -706,9 +705,8 @@ static const struct dce_i2c_mask i2c_masks = {
> I2C_COMMON_MASK_SH_LIST_DCN2(_MASK)
> };
>
> -struct dce_i2c_hw *dcn201_i2c_hw_create(
> - struct dc_context *ctx,
> - uint32_t inst)
> +static struct dce_i2c_hw *dcn201_i2c_hw_create(struct dc_context *ctx, uint32_t
> + inst)
> {
> struct dce_i2c_hw *dce_i2c_hw =
> kzalloc(sizeof(struct dce_i2c_hw), GFP_ATOMIC);
> @@ -789,8 +787,9 @@ static const struct encoder_feature_support link_enc_feature = {
> .flags.bits.IS_TPS4_CAPABLE = true
> };
>
> -struct link_encoder *dcn201_link_encoder_create(
> - const struct encoder_init_data *enc_init_data)
> +static struct link_encoder *dcn201_link_encoder_create(const struct
> + encoder_init_data
> + *enc_init_data)
> {
> struct dcn20_link_encoder *enc20 =
> kzalloc(sizeof(struct dcn20_link_encoder), GFP_ATOMIC);
> @@ -811,7 +810,7 @@ struct link_encoder *dcn201_link_encoder_create(
> return &enc10->base;
> }
>
> -struct clock_source *dcn201_clock_source_create(
> +static struct clock_source *dcn201_clock_source_create(
> struct dc_context *ctx,
> struct dc_bios *bios,
> enum clock_source_id id,
> @@ -906,7 +905,7 @@ static const struct resource_create_funcs res_create_maximus_funcs = {
> .create_hwseq = dcn201_hwseq_create,
> };
>
> -void dcn201_clock_source_destroy(struct clock_source **clk_src)
> +static void dcn201_clock_source_destroy(struct clock_source **clk_src)
> {
> kfree(TO_DCE110_CLK_SRC(*clk_src));
> *clk_src = NULL;
> diff --git a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubbub.c b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubbub.c
> index 36044cb8ec83..c5e200d09038 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubbub.c
> +++ b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubbub.c
> @@ -680,7 +680,7 @@ void hubbub21_wm_read_state(struct hubbub *hubbub,
> DCHUBBUB_ARB_ALLOW_DRAM_CLK_CHANGE_WATERMARK_D, &s->dram_clk_chanage);
> }
>
> -void hubbub21_apply_DEDCN21_147_wa(struct hubbub *hubbub)
> +static void hubbub21_apply_DEDCN21_147_wa(struct hubbub *hubbub)
> {
> struct dcn20_hubbub *hubbub1 = TO_DCN20_HUBBUB(hubbub);
> uint32_t prog_wm_value;
> diff --git a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubp.c b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubp.c
> index 3de1bcf9b3d8..670492216485 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubp.c
> +++ b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubp.c
> @@ -183,7 +183,7 @@ static void hubp21_setup(
>
> }
>
> -void hubp21_set_viewport(
> +static void hubp21_set_viewport(
> struct hubp *hubp,
> const struct rect *viewport,
> const struct rect *viewport_c)
> @@ -225,8 +225,9 @@ void hubp21_set_viewport(
> SEC_VIEWPORT_Y_START_C, viewport_c->y);
> }
>
> -void hubp21_set_vm_system_aperture_settings(struct hubp *hubp,
> - struct vm_system_aperture_param *apt)
> +static void hubp21_set_vm_system_aperture_settings(struct hubp *hubp, struct
> + vm_system_aperture_param
> + *apt)
> {
> struct dcn21_hubp *hubp21 = TO_DCN21_HUBP(hubp);
>
> @@ -248,7 +249,7 @@ void hubp21_set_vm_system_aperture_settings(struct hubp *hubp,
> SYSTEM_ACCESS_MODE, 0x3);
> }
>
> -void hubp21_validate_dml_output(struct hubp *hubp,
> +static void hubp21_validate_dml_output(struct hubp *hubp,
> struct dc_context *ctx,
> struct _vcs_dpi_display_rq_regs_st *dml_rq_regs,
> struct _vcs_dpi_display_dlg_regs_st *dml_dlg_attr,
> @@ -664,7 +665,8 @@ static void program_surface_flip_and_addr(struct hubp *hubp, struct surface_flip
> flip_regs->DCSURF_PRIMARY_SURFACE_ADDRESS);
> }
>
> -void dmcub_PLAT_54186_wa(struct hubp *hubp, struct surface_flip_registers *flip_regs)
> +static void dmcub_PLAT_54186_wa(struct hubp *hubp, struct surface_flip_registers
> + *flip_regs)
> {
> struct dc_dmub_srv *dmcub = hubp->ctx->dmub_srv;
> struct dcn21_hubp *hubp21 = TO_DCN21_HUBP(hubp);
> @@ -697,7 +699,7 @@ void dmcub_PLAT_54186_wa(struct hubp *hubp, struct surface_flip_registers *flip_
> PERF_TRACE(); // TODO: remove after performance is stable.
> }
>
> -bool hubp21_program_surface_flip_and_addr(
> +static bool hubp21_program_surface_flip_and_addr(
> struct hubp *hubp,
> const struct dc_plane_address *address,
> bool flip_immediate)
> @@ -805,7 +807,7 @@ bool hubp21_program_surface_flip_and_addr(
> return true;
> }
>
> -void hubp21_init(struct hubp *hubp)
> +static void hubp21_init(struct hubp *hubp)
> {
> // DEDCN21-133: Inconsistent row starting line for flip between DPTE and Meta
> // This is a chicken bit to enable the ECO fix.
> diff --git a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_link_encoder.c b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_link_encoder.c
> index aa46c35b05a2..439a7de4aaba 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_link_encoder.c
> +++ b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_link_encoder.c
> @@ -203,7 +203,7 @@ static bool update_cfg_data(
> return true;
> }
>
> -bool dcn21_link_encoder_acquire_phy(struct link_encoder *enc)
> +static bool dcn21_link_encoder_acquire_phy(struct link_encoder *enc)
> {
> struct dcn10_link_encoder *enc10 = TO_DCN10_LINK_ENC(enc);
> int value;
> @@ -277,7 +277,7 @@ void dcn21_link_encoder_enable_dp_output(
>
> }
>
> -void dcn21_link_encoder_enable_dp_mst_output(
> +static void dcn21_link_encoder_enable_dp_mst_output(
> struct link_encoder *enc,
> const struct dc_link_settings *link_settings,
> enum clock_source_id clock_source)
> @@ -288,9 +288,8 @@ void dcn21_link_encoder_enable_dp_mst_output(
> dcn10_link_encoder_enable_dp_mst_output(enc, link_settings, clock_source);
> }
>
> -void dcn21_link_encoder_disable_output(
> - struct link_encoder *enc,
> - enum signal_type signal)
> +static void dcn21_link_encoder_disable_output(struct link_encoder *enc, enum
> + signal_type signal)
> {
> dcn10_link_encoder_disable_output(enc, signal);
>
> diff --git a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c
> index da6031cef244..5e50c264bff8 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c
> +++ b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c
> @@ -784,9 +784,8 @@ static const struct dce_i2c_mask i2c_masks = {
> I2C_COMMON_MASK_SH_LIST_DCN2(_MASK)
> };
>
> -struct dce_i2c_hw *dcn21_i2c_hw_create(
> - struct dc_context *ctx,
> - uint32_t inst)
> +static struct dce_i2c_hw *dcn21_i2c_hw_create(struct dc_context *ctx, uint32_t
> + inst)
> {
> struct dce_i2c_hw *dce_i2c_hw =
> kzalloc(sizeof(struct dce_i2c_hw), GFP_KERNEL);
> @@ -1093,7 +1092,7 @@ static void patch_bounding_box(struct dc *dc, struct _vcs_dpi_soc_bounding_box_s
> }
> }
>
> -void dcn21_calculate_wm(
> +static void dcn21_calculate_wm(
> struct dc *dc, struct dc_state *context,
> display_e2e_pipe_params_st *pipes,
> int *out_pipe_cnt,
> @@ -1390,7 +1389,7 @@ static noinline bool dcn21_validate_bandwidth_fp(struct dc *dc,
> * with DC_FP_START()/DC_FP_END(). Use the same approach as for
> * dcn20_validate_bandwidth in dcn20_resource.c.
> */
> -bool dcn21_validate_bandwidth(struct dc *dc, struct dc_state *context,
> +static bool dcn21_validate_bandwidth(struct dc *dc, struct dc_state *context,
> bool fast_validate)
> {
> bool voltage_supported;
> @@ -1480,8 +1479,8 @@ static struct hubbub *dcn21_hubbub_create(struct dc_context *ctx)
> return &hubbub->base;
> }
>
> -struct output_pixel_processor *dcn21_opp_create(
> - struct dc_context *ctx, uint32_t inst)
> +static struct output_pixel_processor *dcn21_opp_create(struct dc_context *ctx,
> + uint32_t inst)
> {
> struct dcn20_opp *opp =
> kzalloc(sizeof(struct dcn20_opp), GFP_KERNEL);
> @@ -1496,9 +1495,9 @@ struct output_pixel_processor *dcn21_opp_create(
> return &opp->base;
> }
>
> -struct timing_generator *dcn21_timing_generator_create(
> - struct dc_context *ctx,
> - uint32_t instance)
> +static struct timing_generator *dcn21_timing_generator_create(struct dc_context
> + *ctx, uint32_t
> + instance)
> {
> struct optc *tgn10 =
> kzalloc(sizeof(struct optc), GFP_KERNEL);
> @@ -1518,7 +1517,7 @@ struct timing_generator *dcn21_timing_generator_create(
> return &tgn10->base;
> }
>
> -struct mpc *dcn21_mpc_create(struct dc_context *ctx)
> +static struct mpc *dcn21_mpc_create(struct dc_context *ctx)
> {
> struct dcn20_mpc *mpc20 = kzalloc(sizeof(struct dcn20_mpc),
> GFP_KERNEL);
> @@ -1545,8 +1544,8 @@ static void read_dce_straps(
> }
>
>
> -struct display_stream_compressor *dcn21_dsc_create(
> - struct dc_context *ctx, uint32_t inst)
> +static struct display_stream_compressor *dcn21_dsc_create(struct dc_context
> + *ctx, uint32_t inst)
> {
> struct dcn20_dsc *dsc =
> kzalloc(sizeof(struct dcn20_dsc), GFP_KERNEL);
> @@ -1683,9 +1682,9 @@ static struct dc_cap_funcs cap_funcs = {
> .get_dcc_compression_cap = dcn20_get_dcc_compression_cap
> };
>
> -struct stream_encoder *dcn21_stream_encoder_create(
> - enum engine_id eng_id,
> - struct dc_context *ctx)
> +static struct stream_encoder *dcn21_stream_encoder_create(enum engine_id eng_id,
> + struct dc_context
> + *ctx)
> {
> struct dcn10_stream_encoder *enc1 =
> kzalloc(sizeof(struct dcn10_stream_encoder), GFP_KERNEL);
> @@ -1917,7 +1916,8 @@ static int dcn21_populate_dml_pipes_from_context(
> return pipe_cnt;
> }
>
> -enum dc_status dcn21_patch_unknown_plane_state(struct dc_plane_state *plane_state)
> +static enum dc_status dcn21_patch_unknown_plane_state(struct dc_plane_state
> + *plane_state)
> {
> enum dc_status result = DC_OK;
>
> diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dio_stream_encoder.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dio_stream_encoder.c
> index 7aa9aaf5db4c..56750e558d49 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dio_stream_encoder.c
> +++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dio_stream_encoder.c
> @@ -50,9 +50,9 @@
> enc1->base.ctx
>
>
> -void convert_dc_info_packet_to_128(
> - const struct dc_info_packet *info_packet,
> - struct dc_info_packet_128 *info_packet_128)
> +static void convert_dc_info_packet_to_128(const struct dc_info_packet
> + *info_packet, struct
> + dc_info_packet_128 *info_packet_128)
> {
> unsigned int i;
>
> @@ -489,7 +489,7 @@ static void enc3_dp_set_odm_combine(
> }
>
> /* setup stream encoder in dvi mode */
> -void enc3_stream_encoder_dvi_set_stream_attribute(
> +static void enc3_stream_encoder_dvi_set_stream_attribute(
> struct stream_encoder *enc,
> struct dc_crtc_timing *crtc_timing,
> bool is_dual_link)
> diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dpp.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dpp.c
> index c1d967ed6551..65b67cf31e18 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dpp.c
> +++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dpp.c
> @@ -41,8 +41,7 @@
> dpp->tf_shift->field_name, dpp->tf_mask->field_name
>
>
> -void dpp30_read_state(struct dpp *dpp_base,
> - struct dcn_dpp_state *s)
> +static void dpp30_read_state(struct dpp *dpp_base, struct dcn_dpp_state *s)
> {
> struct dcn20_dpp *dpp = TO_DCN20_DPP(dpp_base);
>
> @@ -373,7 +372,7 @@ void dpp3_set_cursor_attributes(
> }
>
>
> -bool dpp3_get_optimal_number_of_taps(
> +static bool dpp3_get_optimal_number_of_taps(
> struct dpp *dpp,
> struct scaler_data *scl_data,
> const struct scaling_taps *in_taps)
> @@ -474,9 +473,8 @@ bool dpp3_get_optimal_number_of_taps(
> return true;
> }
>
> -void dpp3_cnv_set_bias_scale(
> - struct dpp *dpp_base,
> - struct dc_bias_and_scale *bias_and_scale)
> +static void dpp3_cnv_set_bias_scale(struct dpp *dpp_base, struct
> + dc_bias_and_scale *bias_and_scale)
> {
> struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
>
> @@ -488,8 +486,7 @@ void dpp3_cnv_set_bias_scale(
> REG_UPDATE(FCNV_FP_SCALE_B, FCNV_FP_SCALE_B, bias_and_scale->scale_blue);
> }
>
> -void dpp3_deferred_update(
> - struct dpp *dpp_base)
> +static void dpp3_deferred_update(struct dpp *dpp_base)
> {
> int bypass_state;
> struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base);
> @@ -751,8 +748,8 @@ static enum dc_lut_mode dpp3_get_blndgam_current(struct dpp *dpp_base)
> return mode;
> }
>
> -bool dpp3_program_blnd_lut(
> - struct dpp *dpp_base, const struct pwl_params *params)
> +static bool dpp3_program_blnd_lut(struct dpp *dpp_base, const struct pwl_params
> + *params)
> {
> enum dc_lut_mode current_mode;
> enum dc_lut_mode next_mode;
> @@ -1164,9 +1161,8 @@ static void dpp3_program_shaper_lutb_settings(
> }
>
>
> -bool dpp3_program_shaper(
> - struct dpp *dpp_base,
> - const struct pwl_params *params)
> +static bool dpp3_program_shaper(struct dpp *dpp_base, const struct pwl_params
> + *params)
> {
> enum dc_lut_mode current_mode;
> enum dc_lut_mode next_mode;
> @@ -1355,9 +1351,8 @@ static void dpp3_select_3dlut_ram_mask(
> REG_SET(CM_3DLUT_INDEX, 0, CM_3DLUT_INDEX, 0);
> }
>
> -bool dpp3_program_3dlut(
> - struct dpp *dpp_base,
> - struct tetrahedral_params *params)
> +static bool dpp3_program_3dlut(struct dpp *dpp_base, struct tetrahedral_params
> + *params)
> {
> enum dc_lut_mode mode;
> bool is_17x17x17;
> diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_mmhubbub.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_mmhubbub.c
> index 1c4b171c68ad..7a93eff183d9 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_mmhubbub.c
> +++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_mmhubbub.c
> @@ -100,7 +100,7 @@ static void mmhubbub3_warmup_mcif(struct mcif_wb *mcif_wb,
> REG_UPDATE(MMHUBBUB_WARMUP_CONTROL_STATUS, MMHUBBUB_WARMUP_EN, false);
> }
>
> -void mmhubbub3_config_mcif_buf(struct mcif_wb *mcif_wb,
> +static void mmhubbub3_config_mcif_buf(struct mcif_wb *mcif_wb,
> struct mcif_buf_params *params,
> unsigned int dest_height)
> {
> diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_mpc.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_mpc.c
> index 95149734378b..0ce0d6165f43 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_mpc.c
> +++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_mpc.c
> @@ -1362,7 +1362,7 @@ uint32_t mpcc3_acquire_rmu(struct mpc *mpc, int mpcc_id, int rmu_idx)
> return -1;
> }
>
> -int mpcc3_release_rmu(struct mpc *mpc, int mpcc_id)
> +static int mpcc3_release_rmu(struct mpc *mpc, int mpcc_id)
> {
> struct dcn30_mpc *mpc30 = TO_DCN30_MPC(mpc);
> int rmu_idx;
> diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c
> index 48ca4ad0b720..2afd76a6ce5a 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c
> +++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c
> @@ -875,7 +875,7 @@ static const struct dc_debug_options debug_defaults_diags = {
> .use_max_lb = true
> };
>
> -void dcn30_dpp_destroy(struct dpp **dpp)
> +static void dcn30_dpp_destroy(struct dpp **dpp)
> {
> kfree(TO_DCN20_DPP(*dpp));
> *dpp = NULL;
> @@ -992,7 +992,7 @@ static struct mpc *dcn30_mpc_create(
> return &mpc30->base;
> }
>
> -struct hubbub *dcn30_hubbub_create(struct dc_context *ctx)
> +static struct hubbub *dcn30_hubbub_create(struct dc_context *ctx)
> {
> int i;
>
> @@ -1143,9 +1143,9 @@ static struct afmt *dcn30_afmt_create(
> return &afmt3->base;
> }
>
> -struct stream_encoder *dcn30_stream_encoder_create(
> - enum engine_id eng_id,
> - struct dc_context *ctx)
> +static struct stream_encoder *dcn30_stream_encoder_create(enum engine_id eng_id,
> + struct dc_context
> + *ctx)
> {
> struct dcn10_stream_encoder *enc1;
> struct vpg *vpg;
> @@ -1179,8 +1179,7 @@ struct stream_encoder *dcn30_stream_encoder_create(
> return &enc1->base;
> }
>
> -struct dce_hwseq *dcn30_hwseq_create(
> - struct dc_context *ctx)
> +static struct dce_hwseq *dcn30_hwseq_create(struct dc_context *ctx)
> {
> struct dce_hwseq *hws = kzalloc(sizeof(struct dce_hwseq), GFP_KERNEL);
>
> diff --git a/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_panel_cntl.c b/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_panel_cntl.c
> index 736bda30abc3..ad0df1a72a90 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_panel_cntl.c
> +++ b/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_panel_cntl.c
> @@ -93,7 +93,7 @@ static unsigned int dcn301_get_16_bit_backlight_from_pwm(struct panel_cntl *pane
> return (uint32_t)(current_backlight);
> }
>
> -uint32_t dcn301_panel_cntl_hw_init(struct panel_cntl *panel_cntl)
> +static uint32_t dcn301_panel_cntl_hw_init(struct panel_cntl *panel_cntl)
> {
> struct dcn301_panel_cntl *dcn301_panel_cntl = TO_DCN301_PANEL_CNTL(panel_cntl);
> uint32_t value;
> @@ -147,7 +147,7 @@ uint32_t dcn301_panel_cntl_hw_init(struct panel_cntl *panel_cntl)
> return current_backlight;
> }
>
> -void dcn301_panel_cntl_destroy(struct panel_cntl **panel_cntl)
> +static void dcn301_panel_cntl_destroy(struct panel_cntl **panel_cntl)
> {
> struct dcn301_panel_cntl *dcn301_panel_cntl = TO_DCN301_PANEL_CNTL(*panel_cntl);
>
> @@ -155,7 +155,7 @@ void dcn301_panel_cntl_destroy(struct panel_cntl **panel_cntl)
> *panel_cntl = NULL;
> }
>
> -bool dcn301_is_panel_backlight_on(struct panel_cntl *panel_cntl)
> +static bool dcn301_is_panel_backlight_on(struct panel_cntl *panel_cntl)
> {
> struct dcn301_panel_cntl *dcn301_panel_cntl = TO_DCN301_PANEL_CNTL(panel_cntl);
> uint32_t value;
> @@ -165,7 +165,7 @@ bool dcn301_is_panel_backlight_on(struct panel_cntl *panel_cntl)
> return value;
> }
>
> -bool dcn301_is_panel_powered_on(struct panel_cntl *panel_cntl)
> +static bool dcn301_is_panel_powered_on(struct panel_cntl *panel_cntl)
> {
> struct dcn301_panel_cntl *dcn301_panel_cntl = TO_DCN301_PANEL_CNTL(panel_cntl);
> uint32_t pwr_seq_state, dig_on, dig_on_ovrd;
> @@ -177,7 +177,7 @@ bool dcn301_is_panel_powered_on(struct panel_cntl *panel_cntl)
> return (pwr_seq_state == 1) || (dig_on == 1 && dig_on_ovrd == 1);
> }
>
> -void dcn301_store_backlight_level(struct panel_cntl *panel_cntl)
> +static void dcn301_store_backlight_level(struct panel_cntl *panel_cntl)
> {
> struct dcn301_panel_cntl *dcn301_panel_cntl = TO_DCN301_PANEL_CNTL(panel_cntl);
>
> diff --git a/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c b/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c
> index 907bc4e1978b..10ad5c2803f8 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c
> +++ b/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c
> @@ -717,15 +717,13 @@ static const struct dc_debug_options debug_defaults_diags = {
> .use_max_lb = false,
> };
>
> -void dcn301_dpp_destroy(struct dpp **dpp)
> +static void dcn301_dpp_destroy(struct dpp **dpp)
> {
> kfree(TO_DCN20_DPP(*dpp));
> *dpp = NULL;
> }
>
> -struct dpp *dcn301_dpp_create(
> - struct dc_context *ctx,
> - uint32_t inst)
> +static struct dpp *dcn301_dpp_create(struct dc_context *ctx, uint32_t inst)
> {
> struct dcn3_dpp *dpp =
> kzalloc(sizeof(struct dcn3_dpp), GFP_KERNEL);
> @@ -741,8 +739,8 @@ struct dpp *dcn301_dpp_create(
> kfree(dpp);
> return NULL;
> }
> -struct output_pixel_processor *dcn301_opp_create(
> - struct dc_context *ctx, uint32_t inst)
> +static struct output_pixel_processor *dcn301_opp_create(struct dc_context *ctx,
> + uint32_t inst)
> {
> struct dcn20_opp *opp =
> kzalloc(sizeof(struct dcn20_opp), GFP_KERNEL);
> @@ -757,9 +755,8 @@ struct output_pixel_processor *dcn301_opp_create(
> return &opp->base;
> }
>
> -struct dce_aux *dcn301_aux_engine_create(
> - struct dc_context *ctx,
> - uint32_t inst)
> +static struct dce_aux *dcn301_aux_engine_create(struct dc_context *ctx, uint32_t
> + inst)
> {
> struct aux_engine_dce110 *aux_engine =
> kzalloc(sizeof(struct aux_engine_dce110), GFP_KERNEL);
> @@ -793,9 +790,8 @@ static const struct dce_i2c_mask i2c_masks = {
> I2C_COMMON_MASK_SH_LIST_DCN2(_MASK)
> };
>
> -struct dce_i2c_hw *dcn301_i2c_hw_create(
> - struct dc_context *ctx,
> - uint32_t inst)
> +static struct dce_i2c_hw *dcn301_i2c_hw_create(struct dc_context *ctx, uint32_t
> + inst)
> {
> struct dce_i2c_hw *dce_i2c_hw =
> kzalloc(sizeof(struct dce_i2c_hw), GFP_KERNEL);
> @@ -829,7 +825,7 @@ static struct mpc *dcn301_mpc_create(
> return &mpc30->base;
> }
>
> -struct hubbub *dcn301_hubbub_create(struct dc_context *ctx)
> +static struct hubbub *dcn301_hubbub_create(struct dc_context *ctx)
> {
> int i;
>
> @@ -860,9 +856,9 @@ struct hubbub *dcn301_hubbub_create(struct dc_context *ctx)
> return &hubbub3->base;
> }
>
> -struct timing_generator *dcn301_timing_generator_create(
> - struct dc_context *ctx,
> - uint32_t instance)
> +static struct timing_generator *dcn301_timing_generator_create(struct dc_context
> + *ctx, uint32_t
> + instance)
> {
> struct optc *tgn10 =
> kzalloc(sizeof(struct optc), GFP_KERNEL);
> @@ -894,8 +890,9 @@ static const struct encoder_feature_support link_enc_feature = {
> .flags.bits.IS_TPS4_CAPABLE = true
> };
>
> -struct link_encoder *dcn301_link_encoder_create(
> - const struct encoder_init_data *enc_init_data)
> +static struct link_encoder *dcn301_link_encoder_create(const struct
> + encoder_init_data
> + *enc_init_data)
> {
> struct dcn20_link_encoder *enc20 =
> kzalloc(sizeof(struct dcn20_link_encoder), GFP_KERNEL);
> @@ -915,7 +912,9 @@ struct link_encoder *dcn301_link_encoder_create(
> return &enc20->enc10.base;
> }
>
> -struct panel_cntl *dcn301_panel_cntl_create(const struct panel_cntl_init_data *init_data)
> +static struct panel_cntl *dcn301_panel_cntl_create(const struct
> + panel_cntl_init_data
> + *init_data)
> {
> struct dcn301_panel_cntl *panel_cntl =
> kzalloc(sizeof(struct dcn301_panel_cntl), GFP_KERNEL);
> @@ -997,9 +996,9 @@ static struct afmt *dcn301_afmt_create(
> return &afmt3->base;
> }
>
> -struct stream_encoder *dcn301_stream_encoder_create(
> - enum engine_id eng_id,
> - struct dc_context *ctx)
> +static struct stream_encoder *dcn301_stream_encoder_create(enum engine_id
> + eng_id, struct
> + dc_context *ctx)
> {
> struct dcn10_stream_encoder *enc1;
> struct vpg *vpg;
> @@ -1033,8 +1032,7 @@ struct stream_encoder *dcn301_stream_encoder_create(
> return &enc1->base;
> }
>
> -struct dce_hwseq *dcn301_hwseq_create(
> - struct dc_context *ctx)
> +static struct dce_hwseq *dcn301_hwseq_create(struct dc_context *ctx)
> {
> struct dce_hwseq *hws = kzalloc(sizeof(struct dce_hwseq), GFP_KERNEL);
>
> @@ -1182,9 +1180,7 @@ static void dcn301_destruct(struct dcn301_resource_pool *pool)
> dcn_dccg_destroy(&pool->base.dccg);
> }
>
> -struct hubp *dcn301_hubp_create(
> - struct dc_context *ctx,
> - uint32_t inst)
> +static struct hubp *dcn301_hubp_create(struct dc_context *ctx, uint32_t inst)
> {
> struct dcn20_hubp *hubp2 =
> kzalloc(sizeof(struct dcn20_hubp), GFP_KERNEL);
> @@ -1201,7 +1197,8 @@ struct hubp *dcn301_hubp_create(
> return NULL;
> }
>
> -bool dcn301_dwbc_create(struct dc_context *ctx, struct resource_pool *pool)
> +static bool dcn301_dwbc_create(struct dc_context *ctx, struct resource_pool
> + *pool)
> {
> int i;
> uint32_t pipe_count = pool->res_cap->num_dwb;
> @@ -1226,7 +1223,8 @@ bool dcn301_dwbc_create(struct dc_context *ctx, struct resource_pool *pool)
> return true;
> }
>
> -bool dcn301_mmhubbub_create(struct dc_context *ctx, struct resource_pool *pool)
> +static bool dcn301_mmhubbub_create(struct dc_context *ctx, struct resource_pool
> + *pool)
> {
> int i;
> uint32_t pipe_count = pool->res_cap->num_dwb;
> diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dccg.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dccg.c
> index 815481a3ef54..ea4f8e06b07c 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dccg.c
> +++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dccg.c
> @@ -462,7 +462,7 @@ void dccg31_set_physymclk(
> }
>
> /* Controls the generation of pixel valid for OTG in (OTG -> HPO case) */
> -void dccg31_set_dtbclk_dto(
> +static void dccg31_set_dtbclk_dto(
> struct dccg *dccg,
> int dtbclk_inst,
> int req_dtbclk_khz,
> diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dio_link_encoder.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dio_link_encoder.c
> index 80bb09db5e4c..71c359f9cdd2 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dio_link_encoder.c
> +++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dio_link_encoder.c
> @@ -174,7 +174,7 @@ void dcn31_link_encoder_set_dio_phy_mux(
> }
> }
>
> -void enc31_hw_init(struct link_encoder *enc)
> +static void enc31_hw_init(struct link_encoder *enc)
> {
> struct dcn10_link_encoder *enc10 = TO_DCN10_LINK_ENC(enc);
>
> diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_panel_cntl.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_panel_cntl.c
> index 3b3721386571..83ece02380a8 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_panel_cntl.c
> +++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_panel_cntl.c
> @@ -65,7 +65,7 @@ static uint32_t dcn31_get_16_bit_backlight_from_pwm(struct panel_cntl *panel_cnt
> return cmd.panel_cntl.data.current_backlight;
> }
>
> -uint32_t dcn31_panel_cntl_hw_init(struct panel_cntl *panel_cntl)
> +static uint32_t dcn31_panel_cntl_hw_init(struct panel_cntl *panel_cntl)
> {
> struct dcn31_panel_cntl *dcn31_panel_cntl = TO_DCN31_PANEL_CNTL(panel_cntl);
> struct dc_dmub_srv *dc_dmub_srv = panel_cntl->ctx->dmub_srv;
> @@ -96,7 +96,7 @@ uint32_t dcn31_panel_cntl_hw_init(struct panel_cntl *panel_cntl)
> return cmd.panel_cntl.data.current_backlight;
> }
>
> -void dcn31_panel_cntl_destroy(struct panel_cntl **panel_cntl)
> +static void dcn31_panel_cntl_destroy(struct panel_cntl **panel_cntl)
> {
> struct dcn31_panel_cntl *dcn31_panel_cntl = TO_DCN31_PANEL_CNTL(*panel_cntl);
>
> @@ -104,7 +104,7 @@ void dcn31_panel_cntl_destroy(struct panel_cntl **panel_cntl)
> *panel_cntl = NULL;
> }
>
> -bool dcn31_is_panel_backlight_on(struct panel_cntl *panel_cntl)
> +static bool dcn31_is_panel_backlight_on(struct panel_cntl *panel_cntl)
> {
> union dmub_rb_cmd cmd;
>
> @@ -114,7 +114,7 @@ bool dcn31_is_panel_backlight_on(struct panel_cntl *panel_cntl)
> return cmd.panel_cntl.data.is_backlight_on;
> }
>
> -bool dcn31_is_panel_powered_on(struct panel_cntl *panel_cntl)
> +static bool dcn31_is_panel_powered_on(struct panel_cntl *panel_cntl)
> {
> union dmub_rb_cmd cmd;
>
> @@ -124,7 +124,7 @@ bool dcn31_is_panel_powered_on(struct panel_cntl *panel_cntl)
> return cmd.panel_cntl.data.is_powered_on;
> }
>
> -void dcn31_store_backlight_level(struct panel_cntl *panel_cntl)
> +static void dcn31_store_backlight_level(struct panel_cntl *panel_cntl)
> {
> union dmub_rb_cmd cmd;
>
> diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c
> index 04b52c9d18da..42eb977a424d 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c
> +++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c
> @@ -1272,7 +1272,9 @@ static struct link_encoder *dcn31_link_enc_create_minimal(
> return &enc20->enc10.base;
> }
>
> -struct panel_cntl *dcn31_panel_cntl_create(const struct panel_cntl_init_data *init_data)
> +static struct panel_cntl *dcn31_panel_cntl_create(const struct
> + panel_cntl_init_data
> + *init_data)
> {
> struct dcn31_panel_cntl *panel_cntl =
> kzalloc(sizeof(struct dcn31_panel_cntl), GFP_KERNEL);
> diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_rq_dlg_calc_21.c b/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_rq_dlg_calc_21.c
> index 46c433c0bcb0..c0b377e38e24 100644
> --- a/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_rq_dlg_calc_21.c
> +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_rq_dlg_calc_21.c
> @@ -1711,7 +1711,8 @@ void dml21_rq_dlg_get_dlg_reg(
> dml_print("DML_DLG: Calculation for pipe[%d] end\n", pipe_idx);
> }
>
> -void dml_rq_dlg_get_arb_params(struct display_mode_lib *mode_lib, display_arb_params_st *arb_param)
> +static void dml_rq_dlg_get_arb_params(struct display_mode_lib *mode_lib,
> + display_arb_params_st *arb_param)
> {
> memset(arb_param, 0, sizeof(*arb_param));
> arb_param->max_req_outstanding = 256;
> diff --git a/drivers/gpu/drm/amd/display/dc/irq/dcn10/irq_service_dcn10.c b/drivers/gpu/drm/amd/display/dc/irq/dcn10/irq_service_dcn10.c
> index 34f43cb650f8..d62927c1a747 100644
> --- a/drivers/gpu/drm/amd/display/dc/irq/dcn10/irq_service_dcn10.c
> +++ b/drivers/gpu/drm/amd/display/dc/irq/dcn10/irq_service_dcn10.c
> @@ -40,10 +40,9 @@
>
> #include "ivsrcid/dcn/irqsrcs_dcn_1_0.h"
>
> -enum dc_irq_source to_dal_irq_source_dcn10(
> - struct irq_service *irq_service,
> - uint32_t src_id,
> - uint32_t ext_id)
> +static enum dc_irq_source to_dal_irq_source_dcn10(struct irq_service
> + *irq_service, uint32_t src_id,
> + uint32_t ext_id)
> {
> switch (src_id) {
> case DCN_1_0__SRCID__DC_D1_OTG_VSTARTUP:
> diff --git a/drivers/gpu/drm/amd/display/dc/irq/dcn201/irq_service_dcn201.c b/drivers/gpu/drm/amd/display/dc/irq/dcn201/irq_service_dcn201.c
> index a47f68634fc3..960c3c91fd5c 100644
> --- a/drivers/gpu/drm/amd/display/dc/irq/dcn201/irq_service_dcn201.c
> +++ b/drivers/gpu/drm/amd/display/dc/irq/dcn201/irq_service_dcn201.c
> @@ -39,10 +39,9 @@
>
> #include "ivsrcid/dcn/irqsrcs_dcn_1_0.h"
>
> -enum dc_irq_source to_dal_irq_source_dcn201(
> - struct irq_service *irq_service,
> - uint32_t src_id,
> - uint32_t ext_id)
> +static enum dc_irq_source to_dal_irq_source_dcn201(struct irq_service
> + *irq_service, uint32_t
> + src_id, uint32_t ext_id)
> {
> switch (src_id) {
> case DCN_1_0__SRCID__DC_D1_OTG_VSTARTUP:
> diff --git a/drivers/gpu/drm/amd/display/dc/irq/dcn21/irq_service_dcn21.c b/drivers/gpu/drm/amd/display/dc/irq/dcn21/irq_service_dcn21.c
> index 78940cb20e10..3addc7fabdb1 100644
> --- a/drivers/gpu/drm/amd/display/dc/irq/dcn21/irq_service_dcn21.c
> +++ b/drivers/gpu/drm/amd/display/dc/irq/dcn21/irq_service_dcn21.c
> @@ -40,10 +40,9 @@
>
> #include "ivsrcid/dcn/irqsrcs_dcn_1_0.h"
>
> -enum dc_irq_source to_dal_irq_source_dcn21(
> - struct irq_service *irq_service,
> - uint32_t src_id,
> - uint32_t ext_id)
> +static enum dc_irq_source to_dal_irq_source_dcn21(struct irq_service
> + *irq_service, uint32_t src_id,
> + uint32_t ext_id)
> {
> switch (src_id) {
> case DCN_1_0__SRCID__DC_D1_OTG_VSTARTUP:
> diff --git a/drivers/gpu/drm/amd/display/dc/irq/dcn31/irq_service_dcn31.c b/drivers/gpu/drm/amd/display/dc/irq/dcn31/irq_service_dcn31.c
> index 38e0ade60c7b..fe5efc6f7baa 100644
> --- a/drivers/gpu/drm/amd/display/dc/irq/dcn31/irq_service_dcn31.c
> +++ b/drivers/gpu/drm/amd/display/dc/irq/dcn31/irq_service_dcn31.c
> @@ -36,10 +36,9 @@
>
> #include "ivsrcid/dcn/irqsrcs_dcn_1_0.h"
>
> -enum dc_irq_source to_dal_irq_source_dcn31(
> - struct irq_service *irq_service,
> - uint32_t src_id,
> - uint32_t ext_id)
> +static enum dc_irq_source to_dal_irq_source_dcn31(struct irq_service
> + *irq_service, uint32_t src_id,
> + uint32_t ext_id)
> {
> switch (src_id) {
> case DCN_1_0__SRCID__DC_D1_OTG_VSTARTUP:
>
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