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drm/amd/display: Make dcn401_initialize_min_clocks() available to other compilation units

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[Why & How]
Expose dcn401_initialize_min_clocks() for future use and add additional
check for IP register.

Reviewed-by: Nevenko Stupar <nevenko.stupar@amd.com>
Signed-off-by: Karthi Kandasamy <karthi.kandasamy@amd.com>
Signed-off-by: Ivan Lipski <ivan.lipski@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Karthi Kandasamy 2025-06-11 15:46:27 +02:00 committed by Alex Deucher
parent 26ad78fffc
commit a1619668d4
3 changed files with 10 additions and 6 deletions
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1
drivers/gpu/drm/amd/display/dc/dsc/dsc.h
View File

@ -108,6 +108,7 @@ struct dsc_funcs {
void (*dsc_disable)(struct display_stream_compressor *dsc);
void (*dsc_disconnect)(struct display_stream_compressor *dsc);
void (*dsc_wait_disconnect_pending_clear)(struct display_stream_compressor *dsc);
void (*dsc_get_single_enc_caps)(struct dsc_enc_caps *dsc_enc_caps, unsigned int max_dscclk_khz);
};
#endif

14
drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c
View File

@ -51,7 +51,7 @@
#define FN(reg_name, field_name) \
hws->shifts->field_name, hws->masks->field_name
static void dcn401_initialize_min_clocks(struct dc *dc)
void dcn401_initialize_min_clocks(struct dc *dc)
{
struct dc_clocks *clocks = &dc->current_state->bw_ctx.bw.dcn.clk;
@ -2632,10 +2632,12 @@ void dcn401_plane_atomic_power_down(struct dc *dc,
DC_LOGGER_INIT(dc->ctx->logger);
REG_GET(DC_IP_REQUEST_CNTL, IP_REQUEST_EN, &org_ip_request_cntl);
if (org_ip_request_cntl == 0)
REG_SET(DC_IP_REQUEST_CNTL, 0,
IP_REQUEST_EN, 1);
if (REG(DC_IP_REQUEST_CNTL)) {
REG_GET(DC_IP_REQUEST_CNTL, IP_REQUEST_EN, &org_ip_request_cntl);
if (org_ip_request_cntl == 0)
REG_SET(DC_IP_REQUEST_CNTL, 0,
IP_REQUEST_EN, 1);
}
if (hws->funcs.dpp_pg_control)
hws->funcs.dpp_pg_control(hws, dpp->inst, false);
@ -2646,7 +2648,7 @@ void dcn401_plane_atomic_power_down(struct dc *dc,
hubp->funcs->hubp_reset(hubp);
dpp->funcs->dpp_reset(dpp);
if (org_ip_request_cntl == 0)
if (org_ip_request_cntl == 0 && REG(DC_IP_REQUEST_CNTL))
REG_SET(DC_IP_REQUEST_CNTL, 0,
IP_REQUEST_EN, 0);

1
drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.h
View File

@ -109,4 +109,5 @@ void dcn401_detect_pipe_changes(
void dcn401_plane_atomic_power_down(struct dc *dc,
struct dpp *dpp,
struct hubp *hubp);
void dcn401_initialize_min_clocks(struct dc *dc);
#endif /* __DC_HWSS_DCN401_H__ */