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drm/radeon/kms: add dpm support for btc (v3)

Browse source 
This adds dpm support for btc 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
v3: attempt to fix state enable

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2013-06-26 00:15:24 -04:00
parent dc50ba7f9a
commit 6596afd48a
10 changed files with 2540 additions and 1 deletions

2
drivers/gpu/drm/radeon/Makefile
View file

@ -78,7 +78,7 @@ radeon-y += radeon_device.o radeon_asic.o radeon_kms.o \
atombios_encoders.o radeon_semaphore.o radeon_sa.o atombios_i2c.o si.o \
si_blit_shaders.o radeon_prime.o radeon_uvd.o cik.o cik_blit_shaders.o \
r600_dpm.o rs780_dpm.o rv6xx_dpm.o rv770_dpm.o rv730_dpm.o rv740_dpm.o \
rv770_smc.o cypress_dpm.o
rv770_smc.o cypress_dpm.o btc_dpm.o
radeon-$(CONFIG_COMPAT) += radeon_ioc32.o
radeon-$(CONFIG_VGA_SWITCHEROO) += radeon_atpx_handler.o

2188
drivers/gpu/drm/radeon/btc_dpm.c Normal file
View file

File diff suppressed because it is too large Load diff

32
drivers/gpu/drm/radeon/btc_dpm.h Normal file
View file

@ -0,0 +1,32 @@
/*
* Copyright 2011 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
*/
#ifndef __BTC_DPM_H__
#define __BTC_DPM_H__
#define BARTS_MGCGCGTSSMCTRL_DFLT 0x81944000
#define TURKS_MGCGCGTSSMCTRL_DFLT 0x6e944000
#define CAICOS_MGCGCGTSSMCTRL_DFLT 0x46944040
#define BTC_CGULVPARAMETER_DFLT 0x00040035
#define BTC_CGULVCONTROL_DFLT 0x00001450
#endif

181
drivers/gpu/drm/radeon/btcd.h Normal file
View file

@ -0,0 +1,181 @@
/*
* Copyright 2010 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: Alex Deucher
*/
#ifndef _BTCD_H_
#define _BTCD_H_
/* pm registers */
#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 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 SCLK_PSKIP_CNTL 0x8c0
#define PSKIP_ON_ALLOW_STOP_HI(x) ((x) << 16)
#define PSKIP_ON_ALLOW_STOP_HI_MASK (0xff << 16)
#define PSKIP_ON_ALLOW_STOP_HI_SHIFT 16
#define CG_ULV_CONTROL 0x8c8
#define CG_ULV_PARAMETER 0x8cc
#define MC_ARB_DRAM_TIMING 0x2774
#define MC_ARB_DRAM_TIMING2 0x2778
#define MC_ARB_RFSH_RATE 0x27b0
#define POWERMODE0(x) ((x) << 0)
#define POWERMODE0_MASK (0xff << 0)
#define POWERMODE0_SHIFT 0
#define POWERMODE1(x) ((x) << 8)
#define POWERMODE1_MASK (0xff << 8)
#define POWERMODE1_SHIFT 8
#define POWERMODE2(x) ((x) << 16)
#define POWERMODE2_MASK (0xff << 16)
#define POWERMODE2_SHIFT 16
#define POWERMODE3(x) ((x) << 24)
#define POWERMODE3_MASK (0xff << 24)
#define POWERMODE3_SHIFT 24
#define MC_ARB_BURST_TIME 0x2808
#define STATE0(x) ((x) << 0)
#define STATE0_MASK (0x1f << 0)
#define STATE0_SHIFT 0
#define STATE1(x) ((x) << 5)
#define STATE1_MASK (0x1f << 5)
#define STATE1_SHIFT 5
#define STATE2(x) ((x) << 10)
#define STATE2_MASK (0x1f << 10)
#define STATE2_SHIFT 10
#define STATE3(x) ((x) << 15)
#define STATE3_MASK (0x1f << 15)
#define STATE3_SHIFT 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_PMG_AUTO_CFG 0x28d4
#define MC_SEQ_STATUS_M 0x29f4
# define PMG_PWRSTATE (1 << 16)
#define MC_SEQ_MISC0 0x2a00
#define MC_SEQ_MISC0_GDDR5_SHIFT 28
#define MC_SEQ_MISC0_GDDR5_MASK 0xf0000000
#define MC_SEQ_MISC0_GDDR5_VALUE 5
#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 LB_SYNC_RESET_SEL 0x6b28
#define LB_SYNC_RESET_SEL_MASK (3 << 0)
#define LB_SYNC_RESET_SEL_SHIFT 0
/* PCIE link stuff */
#define PCIE_LC_SPEED_CNTL 0xa4 /* PCIE_P */
# define LC_GEN2_EN_STRAP (1 << 0)
# define LC_TARGET_LINK_SPEED_OVERRIDE_EN (1 << 1)
# define LC_FORCE_EN_HW_SPEED_CHANGE (1 << 5)
# define LC_FORCE_DIS_HW_SPEED_CHANGE (1 << 6)
# 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)
# define LC_OTHER_SIDE_SUPPORTS_GEN2 (1 << 24)
#endif

21
drivers/gpu/drm/radeon/ni.c
View file

@ -180,13 +180,16 @@ extern int sumo_rlc_init(struct radeon_device *rdev);
MODULE_FIRMWARE("radeon/BARTS_pfp.bin");
MODULE_FIRMWARE("radeon/BARTS_me.bin");
MODULE_FIRMWARE("radeon/BARTS_mc.bin");
MODULE_FIRMWARE("radeon/BARTS_smc.bin");
MODULE_FIRMWARE("radeon/BTC_rlc.bin");
MODULE_FIRMWARE("radeon/TURKS_pfp.bin");
MODULE_FIRMWARE("radeon/TURKS_me.bin");
MODULE_FIRMWARE("radeon/TURKS_mc.bin");
MODULE_FIRMWARE("radeon/TURKS_smc.bin");
MODULE_FIRMWARE("radeon/CAICOS_pfp.bin");
MODULE_FIRMWARE("radeon/CAICOS_me.bin");
MODULE_FIRMWARE("radeon/CAICOS_mc.bin");
MODULE_FIRMWARE("radeon/CAICOS_smc.bin");
MODULE_FIRMWARE("radeon/CAYMAN_pfp.bin");
MODULE_FIRMWARE("radeon/CAYMAN_me.bin");
MODULE_FIRMWARE("radeon/CAYMAN_mc.bin");
@ -683,6 +686,7 @@ int ni_init_microcode(struct radeon_device *rdev)
const char *chip_name;
const char *rlc_chip_name;
size_t pfp_req_size, me_req_size, rlc_req_size, mc_req_size;
size_t smc_req_size = 0;
char fw_name[30];
int err;
@ -703,6 +707,7 @@ int ni_init_microcode(struct radeon_device *rdev)
me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
mc_req_size = BTC_MC_UCODE_SIZE * 4;
smc_req_size = ALIGN(BARTS_SMC_UCODE_SIZE, 4);
break;
case CHIP_TURKS:
chip_name = "TURKS";
@ -711,6 +716,7 @@ int ni_init_microcode(struct radeon_device *rdev)
me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
mc_req_size = BTC_MC_UCODE_SIZE * 4;
smc_req_size = ALIGN(TURKS_SMC_UCODE_SIZE, 4);
break;
case CHIP_CAICOS:
chip_name = "CAICOS";
@ -719,6 +725,7 @@ int ni_init_microcode(struct radeon_device *rdev)
me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
mc_req_size = BTC_MC_UCODE_SIZE * 4;
smc_req_size = ALIGN(CAICOS_SMC_UCODE_SIZE, 4);
break;
case CHIP_CAYMAN:
chip_name = "CAYMAN";
@ -789,6 +796,20 @@ int ni_init_microcode(struct radeon_device *rdev)
err = -EINVAL;
}
}
if ((rdev->family >= CHIP_BARTS) && (rdev->family <= CHIP_CAICOS)) {
snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", chip_name);
err = request_firmware(&rdev->smc_fw, fw_name, &pdev->dev);
if (err)
goto out;
if (rdev->smc_fw->size != smc_req_size) {
printk(KERN_ERR
"ni_mc: Bogus length %zu in firmware \"%s\"\n",
rdev->mc_fw->size, fw_name);
err = -EINVAL;
}
}
out:
platform_device_unregister(pdev);

12
drivers/gpu/drm/radeon/radeon_asic.c
View file

@ -1722,6 +1722,18 @@ static struct radeon_asic btc_asic = {
.set_uvd_clocks = &evergreen_set_uvd_clocks,
.get_temperature = &evergreen_get_temp,
},
.dpm = {
.init = &btc_dpm_init,
.setup_asic = &btc_dpm_setup_asic,
.enable = &btc_dpm_enable,
.disable = &btc_dpm_disable,
.set_power_state = &btc_dpm_set_power_state,
.display_configuration_changed = &cypress_dpm_display_configuration_changed,
.fini = &btc_dpm_fini,
.get_sclk = &rv770_dpm_get_sclk,
.get_mclk = &rv770_dpm_get_mclk,
.print_power_state = &rv770_dpm_print_power_state,
},
.pflip = {
.pre_page_flip = &evergreen_pre_page_flip,
.page_flip = &evergreen_page_flip,

6
drivers/gpu/drm/radeon/radeon_asic.h
View file

@ -536,6 +536,12 @@ void cypress_dpm_disable(struct radeon_device *rdev);
int cypress_dpm_set_power_state(struct radeon_device *rdev);
void cypress_dpm_display_configuration_changed(struct radeon_device *rdev);
void cypress_dpm_fini(struct radeon_device *rdev);
int btc_dpm_init(struct radeon_device *rdev);
void btc_dpm_setup_asic(struct radeon_device *rdev);
int btc_dpm_enable(struct radeon_device *rdev);
void btc_dpm_disable(struct radeon_device *rdev);
int btc_dpm_set_power_state(struct radeon_device *rdev);
void btc_dpm_fini(struct radeon_device *rdev);
/*
* cayman

3
drivers/gpu/drm/radeon/radeon_pm.c
View file

@ -1046,6 +1046,9 @@ int radeon_pm_init(struct radeon_device *rdev)
case CHIP_JUNIPER:
case CHIP_CYPRESS:
case CHIP_HEMLOCK:
case CHIP_BARTS:
case CHIP_TURKS:
case CHIP_CAICOS:
if (radeon_dpm == 1)
rdev->pm.pm_method = PM_METHOD_DPM;
else

15
drivers/gpu/drm/radeon/radeon_ucode.h
View file

@ -85,4 +85,19 @@
#define CYPRESS_SMC_INT_VECTOR_START 0xffc0
#define CYPRESS_SMC_INT_VECTOR_SIZE 0x0040
#define BARTS_SMC_UCODE_START 0x0100
#define BARTS_SMC_UCODE_SIZE 0x6107
#define BARTS_SMC_INT_VECTOR_START 0xffc0
#define BARTS_SMC_INT_VECTOR_SIZE 0x0040
#define TURKS_SMC_UCODE_START 0x0100
#define TURKS_SMC_UCODE_SIZE 0x605b
#define TURKS_SMC_INT_VECTOR_START 0xffc0
#define TURKS_SMC_INT_VECTOR_SIZE 0x0040
#define CAICOS_SMC_UCODE_START 0x0100
#define CAICOS_SMC_UCODE_SIZE 0x5fbd
#define CAICOS_SMC_INT_VECTOR_START 0xffc0
#define CAICOS_SMC_INT_VECTOR_SIZE 0x0040
#endif

81
drivers/gpu/drm/radeon/rv770_smc.c
View file

@ -194,6 +194,66 @@ static const u8 cypress_smc_int_vectors[] =
0x04, 0xF6, 0x04, 0xF6
};
static const u8 barts_smc_int_vectors[] =
{
0x0C, 0x14, 0x0C, 0x14,
0x0C, 0x14, 0x0C, 0x14,
0x0C, 0x14, 0x0C, 0x14,
0x0C, 0x14, 0x0C, 0x14,
0x0C, 0x14, 0x0C, 0x14,
0x0C, 0x14, 0x0C, 0x14,
0x0C, 0x14, 0x0C, 0x14,
0x0C, 0x14, 0x0C, 0x14,
0x0C, 0x14, 0x0C, 0x14,
0x0C, 0x14, 0x0C, 0x14,
0x0C, 0x14, 0x0C, 0x14,
0x0C, 0x14, 0x0C, 0x14,
0x0C, 0x14, 0x12, 0xAA,
0x0C, 0x2F, 0x15, 0xF6,
0x15, 0xF6, 0x05, 0x0A,
0x05, 0x0A, 0x05, 0x0A
};
static const u8 turks_smc_int_vectors[] =
{
0x0C, 0x14, 0x0C, 0x14,
0x0C, 0x14, 0x0C, 0x14,
0x0C, 0x14, 0x0C, 0x14,
0x0C, 0x14, 0x0C, 0x14,
0x0C, 0x14, 0x0C, 0x14,
0x0C, 0x14, 0x0C, 0x14,
0x0C, 0x14, 0x0C, 0x14,
0x0C, 0x14, 0x0C, 0x14,
0x0C, 0x14, 0x0C, 0x14,
0x0C, 0x14, 0x0C, 0x14,
0x0C, 0x14, 0x0C, 0x14,
0x0C, 0x14, 0x0C, 0x14,
0x0C, 0x14, 0x12, 0xAA,
0x0C, 0x2F, 0x15, 0xF6,
0x15, 0xF6, 0x05, 0x0A,
0x05, 0x0A, 0x05, 0x0A
};
static const u8 caicos_smc_int_vectors[] =
{
0x0C, 0x14, 0x0C, 0x14,
0x0C, 0x14, 0x0C, 0x14,
0x0C, 0x14, 0x0C, 0x14,
0x0C, 0x14, 0x0C, 0x14,
0x0C, 0x14, 0x0C, 0x14,
0x0C, 0x14, 0x0C, 0x14,
0x0C, 0x14, 0x0C, 0x14,
0x0C, 0x14, 0x0C, 0x14,
0x0C, 0x14, 0x0C, 0x14,
0x0C, 0x14, 0x0C, 0x14,
0x0C, 0x14, 0x0C, 0x14,
0x0C, 0x14, 0x0C, 0x14,
0x0C, 0x14, 0x12, 0xAA,
0x0C, 0x2F, 0x15, 0xF6,
0x15, 0xF6, 0x05, 0x0A,
0x05, 0x0A, 0x05, 0x0A
};
int rv770_set_smc_sram_address(struct radeon_device *rdev,
u16 smc_address, u16 limit)
{
@ -463,6 +523,27 @@ int rv770_load_smc_ucode(struct radeon_device *rdev,
int_vect_start_address = CYPRESS_SMC_INT_VECTOR_START;
int_vect_size = CYPRESS_SMC_INT_VECTOR_SIZE;
break;
case CHIP_BARTS:
ucode_start_address = BARTS_SMC_UCODE_START;
ucode_size = BARTS_SMC_UCODE_SIZE;
int_vect = (const u8 *)&barts_smc_int_vectors;
int_vect_start_address = BARTS_SMC_INT_VECTOR_START;
int_vect_size = BARTS_SMC_INT_VECTOR_SIZE;
break;
case CHIP_TURKS:
ucode_start_address = TURKS_SMC_UCODE_START;
ucode_size = TURKS_SMC_UCODE_SIZE;
int_vect = (const u8 *)&turks_smc_int_vectors;
int_vect_start_address = TURKS_SMC_INT_VECTOR_START;
int_vect_size = TURKS_SMC_INT_VECTOR_SIZE;
break;
case CHIP_CAICOS:
ucode_start_address = CAICOS_SMC_UCODE_START;
ucode_size = CAICOS_SMC_UCODE_SIZE;
int_vect = (const u8 *)&caicos_smc_int_vectors;
int_vect_start_address = CAICOS_SMC_INT_VECTOR_START;
int_vect_size = CAICOS_SMC_INT_VECTOR_SIZE;
break;
default:
DRM_ERROR("unknown asic in smc ucode loader\n");
BUG();