drm/radeon/kms: add dpm support for evergreen (v4)
This adds dpm support for evergreen asics. This includes:
- clockgating
- dynamic engine clock scaling
- dynamic memory clock scaling
- dynamic voltage scaling
- dynamic pcie gen1/gen2 switching (requires additional acpi support)
Set radeon.dpm=1 to enable.
v2: reduce stack usage, rename ulv struct
v3: fix thermal interrupt check notices by Jerome
v4: fix state enable
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/radeon/evergreend.h b/drivers/gpu/drm/radeon/evergreend.h
index 8603b7cf..93b91a3 100644
--- a/drivers/gpu/drm/radeon/evergreend.h
+++ b/drivers/gpu/drm/radeon/evergreend.h
@@ -48,6 +48,293 @@
#define SUMO_GB_ADDR_CONFIG_GOLDEN 0x02010002
#define SUMO2_GB_ADDR_CONFIG_GOLDEN 0x02010002
+/* pm registers */
+#define SMC_MSG 0x20c
+#define HOST_SMC_MSG(x) ((x) << 0)
+#define HOST_SMC_MSG_MASK (0xff << 0)
+#define HOST_SMC_MSG_SHIFT 0
+#define HOST_SMC_RESP(x) ((x) << 8)
+#define HOST_SMC_RESP_MASK (0xff << 8)
+#define HOST_SMC_RESP_SHIFT 8
+#define SMC_HOST_MSG(x) ((x) << 16)
+#define SMC_HOST_MSG_MASK (0xff << 16)
+#define SMC_HOST_MSG_SHIFT 16
+#define SMC_HOST_RESP(x) ((x) << 24)
+#define SMC_HOST_RESP_MASK (0xff << 24)
+#define SMC_HOST_RESP_SHIFT 24
+
+#define DCCG_DISP_SLOW_SELECT_REG 0x4fc
+#define DCCG_DISP1_SLOW_SELECT(x) ((x) << 0)
+#define DCCG_DISP1_SLOW_SELECT_MASK (7 << 0)
+#define DCCG_DISP1_SLOW_SELECT_SHIFT 0
+#define DCCG_DISP2_SLOW_SELECT(x) ((x) << 4)
+#define DCCG_DISP2_SLOW_SELECT_MASK (7 << 4)
+#define DCCG_DISP2_SLOW_SELECT_SHIFT 4
+
+#define CG_SPLL_FUNC_CNTL 0x600
+#define SPLL_RESET (1 << 0)
+#define SPLL_SLEEP (1 << 1)
+#define SPLL_BYPASS_EN (1 << 3)
+#define SPLL_REF_DIV(x) ((x) << 4)
+#define SPLL_REF_DIV_MASK (0x3f << 4)
+#define SPLL_PDIV_A(x) ((x) << 20)
+#define SPLL_PDIV_A_MASK (0x7f << 20)
+#define CG_SPLL_FUNC_CNTL_2 0x604
+#define SCLK_MUX_SEL(x) ((x) << 0)
+#define SCLK_MUX_SEL_MASK (0x1ff << 0)
+#define CG_SPLL_FUNC_CNTL_3 0x608
+#define SPLL_FB_DIV(x) ((x) << 0)
+#define SPLL_FB_DIV_MASK (0x3ffffff << 0)
+#define SPLL_DITHEN (1 << 28)
+
+#define MPLL_CNTL_MODE 0x61c
+# define SS_SSEN (1 << 24)
+# define SS_DSMODE_EN (1 << 25)
+
+#define MPLL_AD_FUNC_CNTL 0x624
+#define CLKF(x) ((x) << 0)
+#define CLKF_MASK (0x7f << 0)
+#define CLKR(x) ((x) << 7)
+#define CLKR_MASK (0x1f << 7)
+#define CLKFRAC(x) ((x) << 12)
+#define CLKFRAC_MASK (0x1f << 12)
+#define YCLK_POST_DIV(x) ((x) << 17)
+#define YCLK_POST_DIV_MASK (3 << 17)
+#define IBIAS(x) ((x) << 20)
+#define IBIAS_MASK (0x3ff << 20)
+#define RESET (1 << 30)
+#define PDNB (1 << 31)
+#define MPLL_AD_FUNC_CNTL_2 0x628
+#define BYPASS (1 << 19)
+#define BIAS_GEN_PDNB (1 << 24)
+#define RESET_EN (1 << 25)
+#define VCO_MODE (1 << 29)
+#define MPLL_DQ_FUNC_CNTL 0x62c
+#define MPLL_DQ_FUNC_CNTL_2 0x630
+
+#define GENERAL_PWRMGT 0x63c
+# define GLOBAL_PWRMGT_EN (1 << 0)
+# define STATIC_PM_EN (1 << 1)
+# define THERMAL_PROTECTION_DIS (1 << 2)
+# define THERMAL_PROTECTION_TYPE (1 << 3)
+# define ENABLE_GEN2PCIE (1 << 4)
+# define ENABLE_GEN2XSP (1 << 5)
+# define SW_SMIO_INDEX(x) ((x) << 6)
+# define SW_SMIO_INDEX_MASK (3 << 6)
+# define SW_SMIO_INDEX_SHIFT 6
+# define LOW_VOLT_D2_ACPI (1 << 8)
+# define LOW_VOLT_D3_ACPI (1 << 9)
+# define VOLT_PWRMGT_EN (1 << 10)
+# define BACKBIAS_PAD_EN (1 << 18)
+# define BACKBIAS_VALUE (1 << 19)
+# define DYN_SPREAD_SPECTRUM_EN (1 << 23)
+# define AC_DC_SW (1 << 24)
+
+#define SCLK_PWRMGT_CNTL 0x644
+# define SCLK_PWRMGT_OFF (1 << 0)
+# define SCLK_LOW_D1 (1 << 1)
+# define FIR_RESET (1 << 4)
+# define FIR_FORCE_TREND_SEL (1 << 5)
+# define FIR_TREND_MODE (1 << 6)
+# define DYN_GFX_CLK_OFF_EN (1 << 7)
+# define GFX_CLK_FORCE_ON (1 << 8)
+# define GFX_CLK_REQUEST_OFF (1 << 9)
+# define GFX_CLK_FORCE_OFF (1 << 10)
+# define GFX_CLK_OFF_ACPI_D1 (1 << 11)
+# define GFX_CLK_OFF_ACPI_D2 (1 << 12)
+# define GFX_CLK_OFF_ACPI_D3 (1 << 13)
+# define DYN_LIGHT_SLEEP_EN (1 << 14)
+#define MCLK_PWRMGT_CNTL 0x648
+# define DLL_SPEED(x) ((x) << 0)
+# define DLL_SPEED_MASK (0x1f << 0)
+# define MPLL_PWRMGT_OFF (1 << 5)
+# define DLL_READY (1 << 6)
+# define MC_INT_CNTL (1 << 7)
+# define MRDCKA0_PDNB (1 << 8)
+# define MRDCKA1_PDNB (1 << 9)
+# define MRDCKB0_PDNB (1 << 10)
+# define MRDCKB1_PDNB (1 << 11)
+# define MRDCKC0_PDNB (1 << 12)
+# define MRDCKC1_PDNB (1 << 13)
+# define MRDCKD0_PDNB (1 << 14)
+# define MRDCKD1_PDNB (1 << 15)
+# define MRDCKA0_RESET (1 << 16)
+# define MRDCKA1_RESET (1 << 17)
+# define MRDCKB0_RESET (1 << 18)
+# define MRDCKB1_RESET (1 << 19)
+# define MRDCKC0_RESET (1 << 20)
+# define MRDCKC1_RESET (1 << 21)
+# define MRDCKD0_RESET (1 << 22)
+# define MRDCKD1_RESET (1 << 23)
+# define DLL_READY_READ (1 << 24)
+# define USE_DISPLAY_GAP (1 << 25)
+# define USE_DISPLAY_URGENT_NORMAL (1 << 26)
+# define MPLL_TURNOFF_D2 (1 << 28)
+#define DLL_CNTL 0x64c
+# define MRDCKA0_BYPASS (1 << 24)
+# define MRDCKA1_BYPASS (1 << 25)
+# define MRDCKB0_BYPASS (1 << 26)
+# define MRDCKB1_BYPASS (1 << 27)
+# define MRDCKC0_BYPASS (1 << 28)
+# define MRDCKC1_BYPASS (1 << 29)
+# define MRDCKD0_BYPASS (1 << 30)
+# define MRDCKD1_BYPASS (1 << 31)
+
+#define CG_AT 0x6d4
+# define CG_R(x) ((x) << 0)
+# define CG_R_MASK (0xffff << 0)
+# define CG_L(x) ((x) << 16)
+# define CG_L_MASK (0xffff << 16)
+
+#define CG_DISPLAY_GAP_CNTL 0x714
+# define DISP1_GAP(x) ((x) << 0)
+# define DISP1_GAP_MASK (3 << 0)
+# define DISP2_GAP(x) ((x) << 2)
+# define DISP2_GAP_MASK (3 << 2)
+# define VBI_TIMER_COUNT(x) ((x) << 4)
+# define VBI_TIMER_COUNT_MASK (0x3fff << 4)
+# define VBI_TIMER_UNIT(x) ((x) << 20)
+# define VBI_TIMER_UNIT_MASK (7 << 20)
+# define DISP1_GAP_MCHG(x) ((x) << 24)
+# define DISP1_GAP_MCHG_MASK (3 << 24)
+# define DISP2_GAP_MCHG(x) ((x) << 26)
+# define DISP2_GAP_MCHG_MASK (3 << 26)
+
+#define CG_BIF_REQ_AND_RSP 0x7f4
+#define CG_CLIENT_REQ(x) ((x) << 0)
+#define CG_CLIENT_REQ_MASK (0xff << 0)
+#define CG_CLIENT_REQ_SHIFT 0
+#define CG_CLIENT_RESP(x) ((x) << 8)
+#define CG_CLIENT_RESP_MASK (0xff << 8)
+#define CG_CLIENT_RESP_SHIFT 8
+#define CLIENT_CG_REQ(x) ((x) << 16)
+#define CLIENT_CG_REQ_MASK (0xff << 16)
+#define CLIENT_CG_REQ_SHIFT 16
+#define CLIENT_CG_RESP(x) ((x) << 24)
+#define CLIENT_CG_RESP_MASK (0xff << 24)
+#define CLIENT_CG_RESP_SHIFT 24
+
+#define CG_SPLL_SPREAD_SPECTRUM 0x790
+#define SSEN (1 << 0)
+#define CG_SPLL_SPREAD_SPECTRUM_2 0x794
+
+#define MPLL_SS1 0x85c
+#define CLKV(x) ((x) << 0)
+#define CLKV_MASK (0x3ffffff << 0)
+#define MPLL_SS2 0x860
+#define CLKS(x) ((x) << 0)
+#define CLKS_MASK (0xfff << 0)
+
+#define CG_IND_ADDR 0x8f8
+#define CG_IND_DATA 0x8fc
+/* CGIND regs */
+#define CG_CGTT_LOCAL_0 0x00
+#define CG_CGTT_LOCAL_1 0x01
+#define CG_CGTT_LOCAL_2 0x02
+#define CG_CGTT_LOCAL_3 0x03
+#define CG_CGLS_TILE_0 0x20
+#define CG_CGLS_TILE_1 0x21
+#define CG_CGLS_TILE_2 0x22
+#define CG_CGLS_TILE_3 0x23
+#define CG_CGLS_TILE_4 0x24
+#define CG_CGLS_TILE_5 0x25
+#define CG_CGLS_TILE_6 0x26
+#define CG_CGLS_TILE_7 0x27
+#define CG_CGLS_TILE_8 0x28
+#define CG_CGLS_TILE_9 0x29
+#define CG_CGLS_TILE_10 0x2a
+#define CG_CGLS_TILE_11 0x2b
+
+#define VM_L2_CG 0x15c0
+
+#define MC_CONFIG 0x2000
+
+#define MC_CONFIG_MCD 0x20a0
+#define MC_CG_CONFIG_MCD 0x20a4
+#define MC_RD_ENABLE_MCD(x) ((x) << 8)
+#define MC_RD_ENABLE_MCD_MASK (7 << 8)
+
+#define MC_HUB_MISC_HUB_CG 0x20b8
+#define MC_HUB_MISC_VM_CG 0x20bc
+#define MC_HUB_MISC_SIP_CG 0x20c0
+
+#define MC_XPB_CLK_GAT 0x2478
+
+#define MC_CG_CONFIG 0x25bc
+#define MC_RD_ENABLE(x) ((x) << 4)
+#define MC_RD_ENABLE_MASK (3 << 4)
+
+#define MC_CITF_MISC_RD_CG 0x2648
+#define MC_CITF_MISC_WR_CG 0x264c
+#define MC_CITF_MISC_VM_CG 0x2650
+# define MEM_LS_ENABLE (1 << 19)
+
+#define MC_ARB_BURST_TIME 0x2808
+#define STATE0(x) ((x) << 0)
+#define STATE0_MASK (0x1f << 0)
+#define STATE1(x) ((x) << 5)
+#define STATE1_MASK (0x1f << 5)
+#define STATE2(x) ((x) << 10)
+#define STATE2_MASK (0x1f << 10)
+#define STATE3(x) ((x) << 15)
+#define STATE3_MASK (0x1f << 15)
+
+#define MC_SEQ_RAS_TIMING 0x28a0
+#define MC_SEQ_CAS_TIMING 0x28a4
+#define MC_SEQ_MISC_TIMING 0x28a8
+#define MC_SEQ_MISC_TIMING2 0x28ac
+
+#define MC_SEQ_RD_CTL_D0 0x28b4
+#define MC_SEQ_RD_CTL_D1 0x28b8
+#define MC_SEQ_WR_CTL_D0 0x28bc
+#define MC_SEQ_WR_CTL_D1 0x28c0
+
+#define MC_SEQ_STATUS_M 0x29f4
+# define PMG_PWRSTATE (1 << 16)
+
+#define MC_SEQ_MISC1 0x2a04
+#define MC_SEQ_RESERVE_M 0x2a08
+#define MC_PMG_CMD_EMRS 0x2a0c
+
+#define MC_SEQ_MISC3 0x2a2c
+
+#define MC_SEQ_MISC5 0x2a54
+#define MC_SEQ_MISC6 0x2a58
+
+#define MC_SEQ_MISC7 0x2a64
+
+#define MC_SEQ_CG 0x2a68
+#define CG_SEQ_REQ(x) ((x) << 0)
+#define CG_SEQ_REQ_MASK (0xff << 0)
+#define CG_SEQ_REQ_SHIFT 0
+#define CG_SEQ_RESP(x) ((x) << 8)
+#define CG_SEQ_RESP_MASK (0xff << 8)
+#define CG_SEQ_RESP_SHIFT 8
+#define SEQ_CG_REQ(x) ((x) << 16)
+#define SEQ_CG_REQ_MASK (0xff << 16)
+#define SEQ_CG_REQ_SHIFT 16
+#define SEQ_CG_RESP(x) ((x) << 24)
+#define SEQ_CG_RESP_MASK (0xff << 24)
+#define SEQ_CG_RESP_SHIFT 24
+#define MC_SEQ_RAS_TIMING_LP 0x2a6c
+#define MC_SEQ_CAS_TIMING_LP 0x2a70
+#define MC_SEQ_MISC_TIMING_LP 0x2a74
+#define MC_SEQ_MISC_TIMING2_LP 0x2a78
+#define MC_SEQ_WR_CTL_D0_LP 0x2a7c
+#define MC_SEQ_WR_CTL_D1_LP 0x2a80
+#define MC_SEQ_PMG_CMD_EMRS_LP 0x2a84
+#define MC_SEQ_PMG_CMD_MRS_LP 0x2a88
+
+#define MC_PMG_CMD_MRS 0x2aac
+
+#define MC_SEQ_RD_CTL_D0_LP 0x2b1c
+#define MC_SEQ_RD_CTL_D1_LP 0x2b20
+
+#define MC_PMG_CMD_MRS1 0x2b44
+#define MC_SEQ_PMG_CMD_MRS1_LP 0x2b48
+
+#define CGTS_SM_CTRL_REG 0x9150
+
/* Registers */
#define RCU_IND_INDEX 0x100
@@ -522,6 +809,20 @@
#define CG_THERMAL_CTRL 0x72c
#define TOFFSET_MASK 0x00003FE0
#define TOFFSET_SHIFT 5
+#define DIG_THERM_DPM(x) ((x) << 14)
+#define DIG_THERM_DPM_MASK 0x003FC000
+#define DIG_THERM_DPM_SHIFT 14
+
+#define CG_THERMAL_INT 0x734
+#define DIG_THERM_INTH(x) ((x) << 8)
+#define DIG_THERM_INTH_MASK 0x0000FF00
+#define DIG_THERM_INTH_SHIFT 8
+#define DIG_THERM_INTL(x) ((x) << 16)
+#define DIG_THERM_INTL_MASK 0x00FF0000
+#define DIG_THERM_INTL_SHIFT 16
+#define THERM_INT_MASK_HIGH (1 << 24)
+#define THERM_INT_MASK_LOW (1 << 25)
+
#define CG_MULT_THERMAL_STATUS 0x740
#define ASIC_T(x) ((x) << 16)
#define ASIC_T_MASK 0x07FF0000
@@ -529,6 +830,7 @@
#define CG_TS0_STATUS 0x760
#define TS0_ADC_DOUT_MASK 0x000003FF
#define TS0_ADC_DOUT_SHIFT 0
+
/* APU */
#define CG_THERMAL_STATUS 0x678
@@ -1039,6 +1341,9 @@
# define LC_SPEED_CHANGE_ATTEMPTS_ALLOWED_MASK (0x3 << 8)
# define LC_SPEED_CHANGE_ATTEMPTS_ALLOWED_SHIFT 3
# define LC_CURRENT_DATA_RATE (1 << 11)
+# define LC_HW_VOLTAGE_IF_CONTROL(x) ((x) << 12)
+# define LC_HW_VOLTAGE_IF_CONTROL_MASK (3 << 12)
+# define LC_HW_VOLTAGE_IF_CONTROL_SHIFT 12
# define LC_VOLTAGE_TIMER_SEL_MASK (0xf << 14)
# define LC_CLR_FAILED_SPD_CHANGE_CNT (1 << 21)
# define LC_OTHER_SIDE_EVER_SENT_GEN2 (1 << 23)