diff options
author | Daniel Miess <daniel.miess@amd.com> | 2023-10-12 12:55:47 -0400 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2023-11-17 09:30:50 -0500 |
commit | 5f70d4ff8095a2ad362d2a00eb8d9f7e20f3daa1 (patch) | |
tree | e48451c935e8802f2b0f55ed8858ff17de71a7ab /drivers/gpu/drm/amd | |
parent | 673d6d73eba79a1205ac403b68ef63da1c823da2 (diff) | |
download | linux-stable-5f70d4ff8095a2ad362d2a00eb8d9f7e20f3daa1.tar.gz linux-stable-5f70d4ff8095a2ad362d2a00eb8d9f7e20f3daa1.tar.bz2 linux-stable-5f70d4ff8095a2ad362d2a00eb8d9f7e20f3daa1.zip |
drm/amd/display: Enable DCN clock gating for DCN35
[WHY & HOW]
Enable DCN clock gating for DCN35.
Disable DTBCLK gate before link training
and re-enable afterwards
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Daniel Miess <daniel.miess@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd')
11 files changed, 108 insertions, 30 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dccg.h b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dccg.h index ab6d09c6fe34..76da59d8caaf 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dccg.h +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dccg.h @@ -291,7 +291,11 @@ type SYMCLKB_FE_SRC_SEL;\ type SYMCLKC_FE_SRC_SEL;\ type SYMCLKD_FE_SRC_SEL;\ - type SYMCLKE_FE_SRC_SEL; + type SYMCLKE_FE_SRC_SEL;\ + type DTBCLK_P0_GATE_DISABLE;\ + type DTBCLK_P1_GATE_DISABLE;\ + type DTBCLK_P2_GATE_DISABLE;\ + type DTBCLK_P3_GATE_DISABLE;\ struct dccg_shift { DCCG_REG_FIELD_LIST(uint8_t) diff --git a/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_dccg.c b/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_dccg.c index 479f3683c0b7..142efd390d86 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_dccg.c +++ b/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_dccg.c @@ -256,6 +256,21 @@ static void dccg35_set_dtbclk_dto( if (params->ref_dtbclk_khz && req_dtbclk_khz) { uint32_t modulo, phase; + switch (params->otg_inst) { + case 0: + REG_UPDATE(DCCG_GATE_DISABLE_CNTL5, DTBCLK_P0_GATE_DISABLE, 1); + break; + case 1: + REG_UPDATE(DCCG_GATE_DISABLE_CNTL5, DTBCLK_P1_GATE_DISABLE, 1); + break; + case 2: + REG_UPDATE(DCCG_GATE_DISABLE_CNTL5, DTBCLK_P2_GATE_DISABLE, 1); + break; + case 3: + REG_UPDATE(DCCG_GATE_DISABLE_CNTL5, DTBCLK_P3_GATE_DISABLE, 1); + break; + } + // phase / modulo = dtbclk / dtbclk ref modulo = params->ref_dtbclk_khz * 1000; phase = req_dtbclk_khz * 1000; @@ -280,6 +295,21 @@ static void dccg35_set_dtbclk_dto( REG_UPDATE(OTG_PIXEL_RATE_CNTL[params->otg_inst], PIPE_DTO_SRC_SEL[params->otg_inst], 2); } else { + switch (params->otg_inst) { + case 0: + REG_UPDATE(DCCG_GATE_DISABLE_CNTL5, DTBCLK_P0_GATE_DISABLE, 0); + break; + case 1: + REG_UPDATE(DCCG_GATE_DISABLE_CNTL5, DTBCLK_P1_GATE_DISABLE, 0); + break; + case 2: + REG_UPDATE(DCCG_GATE_DISABLE_CNTL5, DTBCLK_P2_GATE_DISABLE, 0); + break; + case 3: + REG_UPDATE(DCCG_GATE_DISABLE_CNTL5, DTBCLK_P3_GATE_DISABLE, 0); + break; + } + REG_UPDATE_2(OTG_PIXEL_RATE_CNTL[params->otg_inst], DTBCLK_DTO_ENABLE[params->otg_inst], 0, PIPE_DTO_SRC_SEL[params->otg_inst], params->is_hdmi ? 0 : 1); diff --git a/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_dccg.h b/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_dccg.h index 423feb4c2f3f..bde48bee0119 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_dccg.h +++ b/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_dccg.h @@ -34,6 +34,7 @@ #define DCCG_REG_LIST_DCN35() \ DCCG_REG_LIST_DCN314(),\ SR(DPPCLK_CTRL),\ + SR(DCCG_GATE_DISABLE_CNTL5),\ SR(DCCG_GATE_DISABLE_CNTL6),\ SR(DCCG_GLOBAL_FGCG_REP_CNTL),\ SR(SYMCLKA_CLOCK_ENABLE),\ @@ -174,7 +175,11 @@ DCCG_SF(SYMCLKB_CLOCK_ENABLE, SYMCLKB_FE_SRC_SEL, mask_sh),\ DCCG_SF(SYMCLKC_CLOCK_ENABLE, SYMCLKC_FE_SRC_SEL, mask_sh),\ DCCG_SF(SYMCLKD_CLOCK_ENABLE, SYMCLKD_FE_SRC_SEL, mask_sh),\ - DCCG_SF(SYMCLKE_CLOCK_ENABLE, SYMCLKE_FE_SRC_SEL, mask_sh) + DCCG_SF(SYMCLKE_CLOCK_ENABLE, SYMCLKE_FE_SRC_SEL, mask_sh),\ + DCCG_SF(DCCG_GATE_DISABLE_CNTL5, DTBCLK_P0_GATE_DISABLE, mask_sh),\ + DCCG_SF(DCCG_GATE_DISABLE_CNTL5, DTBCLK_P1_GATE_DISABLE, mask_sh),\ + DCCG_SF(DCCG_GATE_DISABLE_CNTL5, DTBCLK_P2_GATE_DISABLE, mask_sh),\ + DCCG_SF(DCCG_GATE_DISABLE_CNTL5, DTBCLK_P3_GATE_DISABLE, mask_sh),\ struct dccg *dccg35_create( struct dc_context *ctx, diff --git a/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_pg_cntl.c b/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_pg_cntl.c index 46f71ff08fd1..0f60c40e1fc5 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_pg_cntl.c +++ b/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_pg_cntl.c @@ -332,13 +332,6 @@ void pg_cntl35_io_clk_pg_control(struct pg_cntl *pg_cntl, bool power_on) pg_cntl->pg_res_enable[PG_DCIO] = power_on; } -void pg_cntl35_set_force_poweron_domain22(struct pg_cntl *pg_cntl, bool power_on) -{ - struct dcn_pg_cntl *pg_cntl_dcn = TO_DCN_PG_CNTL(pg_cntl); - - REG_UPDATE(DOMAIN22_PG_CONFIG, DOMAIN_POWER_FORCEON, power_on ? 1 : 0); -} - static bool pg_cntl35_plane_otg_status(struct pg_cntl *pg_cntl) { struct dcn_pg_cntl *pg_cntl_dcn = TO_DCN_PG_CNTL(pg_cntl); @@ -508,8 +501,7 @@ static const struct pg_cntl_funcs pg_cntl35_funcs = { .mpcc_pg_control = pg_cntl35_mpcc_pg_control, .opp_pg_control = pg_cntl35_opp_pg_control, .optc_pg_control = pg_cntl35_optc_pg_control, - .dwb_pg_control = pg_cntl35_dwb_pg_control, - .set_force_poweron_domain22 = pg_cntl35_set_force_poweron_domain22 + .dwb_pg_control = pg_cntl35_dwb_pg_control }; struct pg_cntl *pg_cntl35_create( diff --git a/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_pg_cntl.h b/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_pg_cntl.h index 069dae08e222..3de240884d22 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_pg_cntl.h +++ b/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_pg_cntl.h @@ -183,7 +183,6 @@ void pg_cntl35_optc_pg_control(struct pg_cntl *pg_cntl, unsigned int optc_inst, bool power_on); void pg_cntl35_dwb_pg_control(struct pg_cntl *pg_cntl, bool power_on); void pg_cntl35_init_pg_status(struct pg_cntl *pg_cntl); -void pg_cntl35_set_force_poweron_domain22(struct pg_cntl *pg_cntl, bool power_on); struct pg_cntl *pg_cntl35_create( struct dc_context *ctx, diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dce/dce_hwseq.h b/drivers/gpu/drm/amd/display/dc/hwss/dce/dce_hwseq.h index 44b4df6469d1..52f045cfd52a 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dce/dce_hwseq.h +++ b/drivers/gpu/drm/amd/display/dc/hwss/dce/dce_hwseq.h @@ -682,6 +682,7 @@ struct dce_hwseq_registers { uint32_t DCHUBBUB_ARB_HOSTVM_CNTL; uint32_t HPO_TOP_HW_CONTROL; uint32_t DMU_CLK_CNTL; + uint32_t DCCG_GATE_DISABLE_CNTL4; uint32_t DCCG_GATE_DISABLE_CNTL5; }; /* set field name */ @@ -1199,7 +1200,19 @@ struct dce_hwseq_registers { type PHYBSYMCLK_ROOT_GATE_DISABLE;\ type PHYCSYMCLK_ROOT_GATE_DISABLE;\ type PHYDSYMCLK_ROOT_GATE_DISABLE;\ - type PHYESYMCLK_ROOT_GATE_DISABLE; + type PHYESYMCLK_ROOT_GATE_DISABLE;\ + type DTBCLK_P0_GATE_DISABLE;\ + type DTBCLK_P1_GATE_DISABLE;\ + type DTBCLK_P2_GATE_DISABLE;\ + type DTBCLK_P3_GATE_DISABLE;\ + type DPSTREAMCLK0_GATE_DISABLE;\ + type DPSTREAMCLK1_GATE_DISABLE;\ + type DPSTREAMCLK2_GATE_DISABLE;\ + type DPSTREAMCLK3_GATE_DISABLE;\ + type DPIASYMCLK0_GATE_DISABLE;\ + type DPIASYMCLK1_GATE_DISABLE;\ + type DPIASYMCLK2_GATE_DISABLE;\ + type DPIASYMCLK3_GATE_DISABLE; struct dce_hwseq_shift { HWSEQ_REG_FIELD_LIST(uint8_t) diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c index 5a8258287438..39260371beb9 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c @@ -145,17 +145,36 @@ void dcn35_init_hw(struct dc *dc) hws->funcs.bios_golden_init(dc); } - REG_WRITE(DCCG_GATE_DISABLE_CNTL, 0); - REG_WRITE(DCCG_GATE_DISABLE_CNTL2, 0); - - /* Disable gating for PHYASYMCLK. This will be enabled in dccg if needed */ - REG_UPDATE_5(DCCG_GATE_DISABLE_CNTL2, PHYASYMCLK_ROOT_GATE_DISABLE, 1, - PHYBSYMCLK_ROOT_GATE_DISABLE, 1, - PHYCSYMCLK_ROOT_GATE_DISABLE, 1, - PHYDSYMCLK_ROOT_GATE_DISABLE, 1, - PHYESYMCLK_ROOT_GATE_DISABLE, 1); + if (!dc->debug.disable_clock_gate) { + REG_WRITE(DCCG_GATE_DISABLE_CNTL, 0); + REG_WRITE(DCCG_GATE_DISABLE_CNTL2, 0); + + /* Disable gating for PHYASYMCLK. This will be enabled in dccg if needed */ + REG_UPDATE_5(DCCG_GATE_DISABLE_CNTL2, PHYASYMCLK_ROOT_GATE_DISABLE, 1, + PHYBSYMCLK_ROOT_GATE_DISABLE, 1, + PHYCSYMCLK_ROOT_GATE_DISABLE, 1, + PHYDSYMCLK_ROOT_GATE_DISABLE, 1, + PHYESYMCLK_ROOT_GATE_DISABLE, 1); + + REG_UPDATE_4(DCCG_GATE_DISABLE_CNTL4, + DPIASYMCLK0_GATE_DISABLE, 0, + DPIASYMCLK1_GATE_DISABLE, 0, + DPIASYMCLK2_GATE_DISABLE, 0, + DPIASYMCLK3_GATE_DISABLE, 0); + + REG_WRITE(DCCG_GATE_DISABLE_CNTL5, 0xFFFFFFFF); + REG_UPDATE_4(DCCG_GATE_DISABLE_CNTL5, + DTBCLK_P0_GATE_DISABLE, 0, + DTBCLK_P1_GATE_DISABLE, 0, + DTBCLK_P2_GATE_DISABLE, 0, + DTBCLK_P3_GATE_DISABLE, 0); + REG_UPDATE_4(DCCG_GATE_DISABLE_CNTL5, + DPSTREAMCLK0_GATE_DISABLE, 0, + DPSTREAMCLK1_GATE_DISABLE, 0, + DPSTREAMCLK2_GATE_DISABLE, 0, + DPSTREAMCLK3_GATE_DISABLE, 0); - REG_WRITE(DCCG_GATE_DISABLE_CNTL5, 0x1f7c3fcf); + } // Initialize the dccg if (res_pool->dccg->funcs->dccg_init) @@ -332,9 +351,6 @@ void dcn35_init_hw(struct dc *dc) if (dc->res_pool->pg_cntl) { if (dc->res_pool->pg_cntl->funcs->init_pg_status) dc->res_pool->pg_cntl->funcs->init_pg_status(dc->res_pool->pg_cntl); - - if (dc->res_pool->pg_cntl->funcs->set_force_poweron_domain22) - dc->res_pool->pg_cntl->funcs->set_force_poweron_domain22(dc->res_pool->pg_cntl, false); } } diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/pg_cntl.h b/drivers/gpu/drm/amd/display/dc/inc/hw/pg_cntl.h index b9812afb886b..00ea3864dd4d 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw/pg_cntl.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/pg_cntl.h @@ -47,8 +47,6 @@ struct pg_cntl_funcs { void (*optc_pg_control)(struct pg_cntl *pg_cntl, unsigned int optc_inst, bool power_on); void (*dwb_pg_control)(struct pg_cntl *pg_cntl, bool power_on); void (*init_pg_status)(struct pg_cntl *pg_cntl); - - void (*set_force_poweron_domain22)(struct pg_cntl *pg_cntl, bool power_on); }; #endif //__DC_PG_CNTL_H__ diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c index a4027bf053c5..5c935d94a95c 100644 --- a/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c +++ b/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c @@ -626,7 +626,19 @@ static struct dce_hwseq_registers hwseq_reg; HWS_SF(, DCCG_GATE_DISABLE_CNTL2, PHYBSYMCLK_ROOT_GATE_DISABLE, mask_sh), \ HWS_SF(, DCCG_GATE_DISABLE_CNTL2, PHYCSYMCLK_ROOT_GATE_DISABLE, mask_sh), \ HWS_SF(, DCCG_GATE_DISABLE_CNTL2, PHYDSYMCLK_ROOT_GATE_DISABLE, mask_sh), \ - HWS_SF(, DCCG_GATE_DISABLE_CNTL2, PHYESYMCLK_ROOT_GATE_DISABLE, mask_sh) + HWS_SF(, DCCG_GATE_DISABLE_CNTL2, PHYESYMCLK_ROOT_GATE_DISABLE, mask_sh),\ + HWS_SF(, DCCG_GATE_DISABLE_CNTL5, DTBCLK_P0_GATE_DISABLE, mask_sh),\ + HWS_SF(, DCCG_GATE_DISABLE_CNTL5, DTBCLK_P1_GATE_DISABLE, mask_sh),\ + HWS_SF(, DCCG_GATE_DISABLE_CNTL5, DTBCLK_P2_GATE_DISABLE, mask_sh),\ + HWS_SF(, DCCG_GATE_DISABLE_CNTL5, DTBCLK_P3_GATE_DISABLE, mask_sh),\ + HWS_SF(, DCCG_GATE_DISABLE_CNTL5, DPSTREAMCLK0_GATE_DISABLE, mask_sh),\ + HWS_SF(, DCCG_GATE_DISABLE_CNTL5, DPSTREAMCLK1_GATE_DISABLE, mask_sh),\ + HWS_SF(, DCCG_GATE_DISABLE_CNTL5, DPSTREAMCLK2_GATE_DISABLE, mask_sh),\ + HWS_SF(, DCCG_GATE_DISABLE_CNTL5, DPSTREAMCLK3_GATE_DISABLE, mask_sh),\ + HWS_SF(, DCCG_GATE_DISABLE_CNTL4, DPIASYMCLK0_GATE_DISABLE, mask_sh),\ + HWS_SF(, DCCG_GATE_DISABLE_CNTL4, DPIASYMCLK1_GATE_DISABLE, mask_sh),\ + HWS_SF(, DCCG_GATE_DISABLE_CNTL4, DPIASYMCLK2_GATE_DISABLE, mask_sh),\ + HWS_SF(, DCCG_GATE_DISABLE_CNTL4, DPIASYMCLK3_GATE_DISABLE, mask_sh) static const struct dce_hwseq_shift hwseq_shift = { HWSEQ_DCN35_MASK_SH_LIST(__SHIFT) @@ -705,7 +717,7 @@ static const struct dc_debug_options debug_defaults_drv = { .disable_dcc = DCC_ENABLE, .disable_dpp_power_gate = true, .disable_hubp_power_gate = true, - .disable_clock_gate = true, + .disable_clock_gate = false, .disable_dsc_power_gate = true, .vsr_support = true, .performance_trace = false, diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.h b/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.h index 99aea102e3f7..a51c4a9eaafe 100644 --- a/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.h +++ b/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.h @@ -166,6 +166,7 @@ struct resource_pool *dcn35_create_resource_pool( SR(MMHUBBUB_MEM_PWR_CNTL), \ SR(DCCG_GATE_DISABLE_CNTL), \ SR(DCCG_GATE_DISABLE_CNTL2), \ + SR(DCCG_GATE_DISABLE_CNTL4), \ SR(DCCG_GATE_DISABLE_CNTL5), \ SR(DCFCLK_CNTL),\ SR(DC_MEM_GLOBAL_PWR_REQ_CNTL), \ diff --git a/drivers/gpu/drm/amd/include/asic_reg/dcn/dcn_3_5_0_sh_mask.h b/drivers/gpu/drm/amd/include/asic_reg/dcn/dcn_3_5_0_sh_mask.h index b64664879211..fca72e2ec929 100644 --- a/drivers/gpu/drm/amd/include/asic_reg/dcn/dcn_3_5_0_sh_mask.h +++ b/drivers/gpu/drm/amd/include/asic_reg/dcn/dcn_3_5_0_sh_mask.h @@ -6220,12 +6220,20 @@ #define DCCG_GATE_DISABLE_CNTL4__PHYD_REFCLK_ROOT_GATE_DISABLE__SHIFT 0x3 #define DCCG_GATE_DISABLE_CNTL4__PHYE_REFCLK_ROOT_GATE_DISABLE__SHIFT 0x4 #define DCCG_GATE_DISABLE_CNTL4__HDMICHARCLK0_ROOT_GATE_DISABLE__SHIFT 0x11 +#define DCCG_GATE_DISABLE_CNTL4__DPIASYMCLK0_GATE_DISABLE__SHIFT 0x17 +#define DCCG_GATE_DISABLE_CNTL4__DPIASYMCLK1_GATE_DISABLE__SHIFT 0x18 +#define DCCG_GATE_DISABLE_CNTL4__DPIASYMCLK2_GATE_DISABLE__SHIFT 0x19 +#define DCCG_GATE_DISABLE_CNTL4__DPIASYMCLK3_GATE_DISABLE__SHIFT 0x1a #define DCCG_GATE_DISABLE_CNTL4__PHYA_REFCLK_ROOT_GATE_DISABLE_MASK 0x00000001L #define DCCG_GATE_DISABLE_CNTL4__PHYB_REFCLK_ROOT_GATE_DISABLE_MASK 0x00000002L #define DCCG_GATE_DISABLE_CNTL4__PHYC_REFCLK_ROOT_GATE_DISABLE_MASK 0x00000004L #define DCCG_GATE_DISABLE_CNTL4__PHYD_REFCLK_ROOT_GATE_DISABLE_MASK 0x00000008L #define DCCG_GATE_DISABLE_CNTL4__PHYE_REFCLK_ROOT_GATE_DISABLE_MASK 0x00000010L #define DCCG_GATE_DISABLE_CNTL4__HDMICHARCLK0_ROOT_GATE_DISABLE_MASK 0x00020000L +#define DCCG_GATE_DISABLE_CNTL4__DPIASYMCLK0_GATE_DISABLE_MASK 0x00800000L +#define DCCG_GATE_DISABLE_CNTL4__DPIASYMCLK1_GATE_DISABLE_MASK 0x01000000L +#define DCCG_GATE_DISABLE_CNTL4__DPIASYMCLK2_GATE_DISABLE_MASK 0x02000000L +#define DCCG_GATE_DISABLE_CNTL4__DPIASYMCLK3_GATE_DISABLE_MASK 0x04000000L #define DPSTREAMCLK_CNTL__DPSTREAMCLK0_SRC_SEL__SHIFT 0x0 #define DPSTREAMCLK_CNTL__DPSTREAMCLK0_EN__SHIFT 0x3 #define DPSTREAMCLK_CNTL__DPSTREAMCLK1_SRC_SEL__SHIFT 0x4 |