From 62fbfdbbe3a1f188a6310d9418956b918840cd33 Mon Sep 17 00:00:00 2001 From: Daniel Miess Date: Fri, 1 Dec 2023 06:25:01 -0700 Subject: drm/amd/display: Add missing dcn35 RCO registers [Why] Some registers needed for root clock gating in dcn35 are not defined in the dccg header. [How] Add the needed registers and temporarily disable some register writes that are now taking place successfully until the registers can be properly enabled. Tested-by: Daniel Wheeler Reviewed-by: Charlene Liu Acked-by: Rodrigo Siqueira Signed-off-by: Daniel Miess Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dccg.h | 32 ++++++++++++ drivers/gpu/drm/amd/display/dc/dcn35/dcn35_dccg.c | 62 ++++++++++++++++++++++- drivers/gpu/drm/amd/display/dc/dcn35/dcn35_dccg.h | 51 +++++++++++++++++++ 3 files changed, 143 insertions(+), 2 deletions(-) (limited to 'drivers/gpu/drm') 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 76da59d8caaf..ef5c22f41563 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dccg.h +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dccg.h @@ -296,6 +296,38 @@ type DTBCLK_P1_GATE_DISABLE;\ type DTBCLK_P2_GATE_DISABLE;\ type DTBCLK_P3_GATE_DISABLE;\ + type DSCCLK0_ROOT_GATE_DISABLE;\ + type DSCCLK1_ROOT_GATE_DISABLE;\ + type DSCCLK2_ROOT_GATE_DISABLE;\ + type DSCCLK3_ROOT_GATE_DISABLE;\ + type SYMCLKA_FE_ROOT_GATE_DISABLE;\ + type SYMCLKB_FE_ROOT_GATE_DISABLE;\ + type SYMCLKC_FE_ROOT_GATE_DISABLE;\ + type SYMCLKD_FE_ROOT_GATE_DISABLE;\ + type SYMCLKE_FE_ROOT_GATE_DISABLE;\ + type DPPCLK0_ROOT_GATE_DISABLE;\ + type DPPCLK1_ROOT_GATE_DISABLE;\ + type DPPCLK2_ROOT_GATE_DISABLE;\ + type DPPCLK3_ROOT_GATE_DISABLE;\ + type HDMISTREAMCLK0_ROOT_GATE_DISABLE;\ + type SYMCLKA_ROOT_GATE_DISABLE;\ + type SYMCLKB_ROOT_GATE_DISABLE;\ + type SYMCLKC_ROOT_GATE_DISABLE;\ + type SYMCLKD_ROOT_GATE_DISABLE;\ + type SYMCLKE_ROOT_GATE_DISABLE;\ + type PHYA_REFCLK_ROOT_GATE_DISABLE;\ + type PHYB_REFCLK_ROOT_GATE_DISABLE;\ + type PHYC_REFCLK_ROOT_GATE_DISABLE;\ + type PHYD_REFCLK_ROOT_GATE_DISABLE;\ + type PHYE_REFCLK_ROOT_GATE_DISABLE;\ + type DPSTREAMCLK0_ROOT_GATE_DISABLE;\ + type DPSTREAMCLK1_ROOT_GATE_DISABLE;\ + type DPSTREAMCLK2_ROOT_GATE_DISABLE;\ + type DPSTREAMCLK3_ROOT_GATE_DISABLE;\ + type DPSTREAMCLK0_GATE_DISABLE;\ + type DPSTREAMCLK1_GATE_DISABLE;\ + type DPSTREAMCLK2_GATE_DISABLE;\ + type DPSTREAMCLK3_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 142efd390d86..f1ba7bb792ea 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_dccg.c +++ b/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_dccg.c @@ -506,6 +506,64 @@ static void dccg35_dpp_root_clock_control( dccg->dpp_clock_gated[dpp_inst] = !clock_on; } +static void dccg35_disable_symclk32_se( + struct dccg *dccg, + int hpo_se_inst) +{ + struct dcn_dccg *dccg_dcn = TO_DCN_DCCG(dccg); + + /* set refclk as the source for symclk32_se */ + switch (hpo_se_inst) { + case 0: + REG_UPDATE_2(SYMCLK32_SE_CNTL, + SYMCLK32_SE0_SRC_SEL, 0, + SYMCLK32_SE0_EN, 0); + if (dccg->ctx->dc->debug.root_clock_optimization.bits.symclk32_se) { + REG_UPDATE(DCCG_GATE_DISABLE_CNTL3, + SYMCLK32_SE0_GATE_DISABLE, 0); +// REG_UPDATE(DCCG_GATE_DISABLE_CNTL3, +// SYMCLK32_ROOT_SE0_GATE_DISABLE, 0); + } + break; + case 1: + REG_UPDATE_2(SYMCLK32_SE_CNTL, + SYMCLK32_SE1_SRC_SEL, 0, + SYMCLK32_SE1_EN, 0); + if (dccg->ctx->dc->debug.root_clock_optimization.bits.symclk32_se) { + REG_UPDATE(DCCG_GATE_DISABLE_CNTL3, + SYMCLK32_SE1_GATE_DISABLE, 0); +// REG_UPDATE(DCCG_GATE_DISABLE_CNTL3, +// SYMCLK32_ROOT_SE1_GATE_DISABLE, 0); + } + break; + case 2: + REG_UPDATE_2(SYMCLK32_SE_CNTL, + SYMCLK32_SE2_SRC_SEL, 0, + SYMCLK32_SE2_EN, 0); + if (dccg->ctx->dc->debug.root_clock_optimization.bits.symclk32_se) { + REG_UPDATE(DCCG_GATE_DISABLE_CNTL3, + SYMCLK32_SE2_GATE_DISABLE, 0); +// REG_UPDATE(DCCG_GATE_DISABLE_CNTL3, +// SYMCLK32_ROOT_SE2_GATE_DISABLE, 0); + } + break; + case 3: + REG_UPDATE_2(SYMCLK32_SE_CNTL, + SYMCLK32_SE3_SRC_SEL, 0, + SYMCLK32_SE3_EN, 0); + if (dccg->ctx->dc->debug.root_clock_optimization.bits.symclk32_se) { + REG_UPDATE(DCCG_GATE_DISABLE_CNTL3, + SYMCLK32_SE3_GATE_DISABLE, 0); +// REG_UPDATE(DCCG_GATE_DISABLE_CNTL3, +// SYMCLK32_ROOT_SE3_GATE_DISABLE, 0); + } + break; + default: + BREAK_TO_DEBUGGER(); + return; + } +} + void dccg35_init(struct dccg *dccg) { int otg_inst; @@ -514,7 +572,7 @@ void dccg35_init(struct dccg *dccg) * will cause DCN to hang. */ for (otg_inst = 0; otg_inst < 4; otg_inst++) - dccg31_disable_symclk32_se(dccg, otg_inst); + dccg35_disable_symclk32_se(dccg, otg_inst); if (dccg->ctx->dc->debug.root_clock_optimization.bits.symclk32_le) for (otg_inst = 0; otg_inst < 2; otg_inst++) @@ -788,7 +846,7 @@ static const struct dccg_funcs dccg35_funcs = { .dccg_init = dccg35_init, .set_dpstreamclk = dccg35_set_dpstreamclk, .enable_symclk32_se = dccg31_enable_symclk32_se, - .disable_symclk32_se = dccg31_disable_symclk32_se, + .disable_symclk32_se = dccg35_disable_symclk32_se, .enable_symclk32_le = dccg31_enable_symclk32_le, .disable_symclk32_le = dccg31_disable_symclk32_le, .set_symclk32_le_root_clock_gating = dccg31_set_symclk32_le_root_clock_gating, 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 bde48bee0119..1586a45ca3bd 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_CNTL4),\ SR(DCCG_GATE_DISABLE_CNTL5),\ SR(DCCG_GATE_DISABLE_CNTL6),\ SR(DCCG_GLOBAL_FGCG_REP_CNTL),\ @@ -180,6 +181,56 @@ 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),\ + DCCG_SF(DCCG_GATE_DISABLE_CNTL6, DSCCLK0_ROOT_GATE_DISABLE, mask_sh),\ + DCCG_SF(DCCG_GATE_DISABLE_CNTL6, DSCCLK1_ROOT_GATE_DISABLE, mask_sh),\ + DCCG_SF(DCCG_GATE_DISABLE_CNTL6, DSCCLK2_ROOT_GATE_DISABLE, mask_sh),\ + DCCG_SF(DCCG_GATE_DISABLE_CNTL6, DSCCLK3_ROOT_GATE_DISABLE, mask_sh),\ + DCCG_SF(DCCG_GATE_DISABLE_CNTL5, SYMCLKA_FE_ROOT_GATE_DISABLE, mask_sh),\ + DCCG_SF(DCCG_GATE_DISABLE_CNTL5, SYMCLKB_FE_ROOT_GATE_DISABLE, mask_sh),\ + DCCG_SF(DCCG_GATE_DISABLE_CNTL5, SYMCLKC_FE_ROOT_GATE_DISABLE, mask_sh),\ + DCCG_SF(DCCG_GATE_DISABLE_CNTL5, SYMCLKD_FE_ROOT_GATE_DISABLE, mask_sh),\ + DCCG_SF(DCCG_GATE_DISABLE_CNTL5, SYMCLKE_FE_ROOT_GATE_DISABLE, mask_sh),\ + DCCG_SF(DCCG_GATE_DISABLE_CNTL6, DPPCLK0_ROOT_GATE_DISABLE, mask_sh),\ + DCCG_SF(DCCG_GATE_DISABLE_CNTL6, DPPCLK1_ROOT_GATE_DISABLE, mask_sh),\ + DCCG_SF(DCCG_GATE_DISABLE_CNTL6, DPPCLK2_ROOT_GATE_DISABLE, mask_sh),\ + DCCG_SF(DCCG_GATE_DISABLE_CNTL6, DPPCLK3_ROOT_GATE_DISABLE, mask_sh),\ + DCCG_SF(DCCG_GATE_DISABLE_CNTL2, HDMICHARCLK0_GATE_DISABLE, mask_sh),\ + DCCG_SF(DCCG_GATE_DISABLE_CNTL4, HDMICHARCLK0_ROOT_GATE_DISABLE, mask_sh),\ + DCCG_SF(DCCG_GATE_DISABLE_CNTL6, HDMISTREAMCLK0_ROOT_GATE_DISABLE, mask_sh),\ + DCCG_SF(DCCG_GATE_DISABLE_CNTL5, SYMCLKA_ROOT_GATE_DISABLE, mask_sh),\ + DCCG_SF(DCCG_GATE_DISABLE_CNTL5, SYMCLKB_ROOT_GATE_DISABLE, mask_sh),\ + DCCG_SF(DCCG_GATE_DISABLE_CNTL5, SYMCLKC_ROOT_GATE_DISABLE, mask_sh),\ + DCCG_SF(DCCG_GATE_DISABLE_CNTL5, SYMCLKD_ROOT_GATE_DISABLE, mask_sh),\ + DCCG_SF(DCCG_GATE_DISABLE_CNTL5, SYMCLKE_ROOT_GATE_DISABLE, mask_sh),\ + DCCG_SF(DCCG_GATE_DISABLE_CNTL3, SYMCLK32_ROOT_SE0_GATE_DISABLE, mask_sh),\ + DCCG_SF(DCCG_GATE_DISABLE_CNTL3, SYMCLK32_ROOT_SE1_GATE_DISABLE, mask_sh),\ + DCCG_SF(DCCG_GATE_DISABLE_CNTL3, SYMCLK32_ROOT_SE2_GATE_DISABLE, mask_sh),\ + DCCG_SF(DCCG_GATE_DISABLE_CNTL3, SYMCLK32_ROOT_SE3_GATE_DISABLE, mask_sh),\ + DCCG_SF(DCCG_GATE_DISABLE_CNTL3, SYMCLK32_ROOT_LE0_GATE_DISABLE, mask_sh),\ + DCCG_SF(DCCG_GATE_DISABLE_CNTL3, SYMCLK32_ROOT_LE1_GATE_DISABLE, mask_sh),\ + DCCG_SF(DCCG_GATE_DISABLE_CNTL3, SYMCLK32_SE0_GATE_DISABLE, mask_sh),\ + DCCG_SF(DCCG_GATE_DISABLE_CNTL3, SYMCLK32_SE1_GATE_DISABLE, mask_sh),\ + DCCG_SF(DCCG_GATE_DISABLE_CNTL3, SYMCLK32_SE2_GATE_DISABLE, mask_sh),\ + DCCG_SF(DCCG_GATE_DISABLE_CNTL3, SYMCLK32_SE3_GATE_DISABLE, mask_sh),\ + DCCG_SF(DCCG_GATE_DISABLE_CNTL3, SYMCLK32_LE0_GATE_DISABLE, mask_sh),\ + DCCG_SF(DCCG_GATE_DISABLE_CNTL3, SYMCLK32_LE1_GATE_DISABLE, mask_sh),\ + DCCG_SF(DCCG_GATE_DISABLE_CNTL4, PHYA_REFCLK_ROOT_GATE_DISABLE, mask_sh),\ + DCCG_SF(DCCG_GATE_DISABLE_CNTL4, PHYB_REFCLK_ROOT_GATE_DISABLE, mask_sh),\ + DCCG_SF(DCCG_GATE_DISABLE_CNTL4, PHYC_REFCLK_ROOT_GATE_DISABLE, mask_sh),\ + DCCG_SF(DCCG_GATE_DISABLE_CNTL4, PHYD_REFCLK_ROOT_GATE_DISABLE, mask_sh),\ + DCCG_SF(DCCG_GATE_DISABLE_CNTL4, PHYE_REFCLK_ROOT_GATE_DISABLE, mask_sh),\ + DCCG_SF(DCCG_GATE_DISABLE_CNTL5, DPSTREAMCLK0_ROOT_GATE_DISABLE, mask_sh),\ + DCCG_SF(DCCG_GATE_DISABLE_CNTL5, DPSTREAMCLK1_ROOT_GATE_DISABLE, mask_sh),\ + DCCG_SF(DCCG_GATE_DISABLE_CNTL5, DPSTREAMCLK2_ROOT_GATE_DISABLE, mask_sh),\ + DCCG_SF(DCCG_GATE_DISABLE_CNTL5, DPSTREAMCLK3_ROOT_GATE_DISABLE, mask_sh),\ + DCCG_SF(HDMISTREAMCLK0_DTO_PARAM, HDMISTREAMCLK0_DTO_PHASE, mask_sh),\ + DCCG_SF(HDMISTREAMCLK0_DTO_PARAM, HDMISTREAMCLK0_DTO_MODULO, mask_sh),\ + DCCG_SF(DCCG_GATE_DISABLE_CNTL, DISPCLK_DCCG_GATE_DISABLE, mask_sh),\ + DCCG_SF(DCCG_GATE_DISABLE_CNTL3, HDMISTREAMCLK0_GATE_DISABLE, mask_sh),\ + DCCG_SF(DCCG_GATE_DISABLE_CNTL5, DPSTREAMCLK0_GATE_DISABLE, mask_sh),\ + DCCG_SF(DCCG_GATE_DISABLE_CNTL5, DPSTREAMCLK1_GATE_DISABLE, mask_sh),\ + DCCG_SF(DCCG_GATE_DISABLE_CNTL5, DPSTREAMCLK2_GATE_DISABLE, mask_sh),\ + DCCG_SF(DCCG_GATE_DISABLE_CNTL5, DPSTREAMCLK3_GATE_DISABLE, mask_sh),\ struct dccg *dccg35_create( struct dc_context *ctx, -- cgit v1.2.3