diff options
| -rw-r--r-- | drivers/gpu/drm/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/evergreen.c | 17 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/evergreend.h | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/r600.c | 15 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/r600d.h | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon.h | 13 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_atombios.c | 16 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_pm.c | 82 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/rv770.c | 15 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/rv770d.h | 5 |
10 files changed, 170 insertions, 4 deletions
diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig index 5b7a1a4..4cab0c6 100644 --- a/drivers/gpu/drm/Kconfig +++ b/drivers/gpu/drm/Kconfig @@ -61,6 +61,7 @@ config DRM_RADEON select DRM_KMS_HELPER select DRM_TTM select POWER_SUPPLY + select HWMON help Choose this option if you have an ATI Radeon graphics card. There are both PCI and AGP versions. You don't need to choose this to diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index 057192a..1b7da39 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -39,6 +39,23 @@ static void evergreen_gpu_init(struct radeon_device *rdev); void evergreen_fini(struct radeon_device *rdev); +/* get temperature in millidegrees */ +u32 evergreen_get_temp(struct radeon_device *rdev) +{ + u32 temp = (RREG32(CG_MULT_THERMAL_STATUS) & ASIC_T_MASK) >> + ASIC_T_SHIFT; + u32 actual_temp = 0; + + if ((temp >> 10) & 1) + actual_temp = 0; + else if ((temp >> 9) & 1) + actual_temp = 255; + else + actual_temp = (temp >> 1) & 0xff; + + return actual_temp * 1000; +} + void evergreen_pm_misc(struct radeon_device *rdev) { int req_ps_idx = rdev->pm.requested_power_state_index; diff --git a/drivers/gpu/drm/radeon/evergreend.h b/drivers/gpu/drm/radeon/evergreend.h index a1cd621..9b7532d 100644 --- a/drivers/gpu/drm/radeon/evergreend.h +++ b/drivers/gpu/drm/radeon/evergreend.h @@ -165,6 +165,11 @@ #define SE_DB_BUSY (1 << 30) #define SE_CB_BUSY (1 << 31) +#define CG_MULT_THERMAL_STATUS 0x740 +#define ASIC_T(x) ((x) << 16) +#define ASIC_T_MASK 0x7FF0000 +#define ASIC_T_SHIFT 16 + #define HDP_HOST_PATH_CNTL 0x2C00 #define HDP_NONSURFACE_BASE 0x2C04 #define HDP_NONSURFACE_INFO 0x2C08 diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index a73a6e1..15fe6c2 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -92,6 +92,21 @@ void r600_gpu_init(struct radeon_device *rdev); void r600_fini(struct radeon_device *rdev); void r600_irq_disable(struct radeon_device *rdev); +/* get temperature in millidegrees */ +u32 rv6xx_get_temp(struct radeon_device *rdev) +{ + u32 temp = (RREG32(CG_THERMAL_STATUS) & ASIC_T_MASK) >> + ASIC_T_SHIFT; + u32 actual_temp = 0; + + if ((temp >> 7) & 1) + actual_temp = 0; + else + actual_temp = (temp >> 1) & 0xff; + + return actual_temp * 1000; +} + void r600_pm_get_dynpm_state(struct radeon_device *rdev) { int i; diff --git a/drivers/gpu/drm/radeon/r600d.h b/drivers/gpu/drm/radeon/r600d.h index 59c1f87..23205f0 100644 --- a/drivers/gpu/drm/radeon/r600d.h +++ b/drivers/gpu/drm/radeon/r600d.h @@ -239,6 +239,11 @@ #define GRBM_SOFT_RESET 0x8020 #define SOFT_RESET_CP (1<<0) +#define CG_THERMAL_STATUS 0x7F4 +#define ASIC_T(x) ((x) << 0) +#define ASIC_T_MASK 0x1FF +#define ASIC_T_SHIFT 0 + #define HDP_HOST_PATH_CNTL 0x2C00 #define HDP_NONSURFACE_BASE 0x2C04 #define HDP_NONSURFACE_INFO 0x2C08 diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index a5c1a3e..d4d776d 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -178,6 +178,9 @@ void radeon_combios_get_power_modes(struct radeon_device *rdev); void radeon_atombios_get_power_modes(struct radeon_device *rdev); void radeon_atom_set_voltage(struct radeon_device *rdev, u16 level); void rs690_pm_info(struct radeon_device *rdev); +extern u32 rv6xx_get_temp(struct radeon_device *rdev); +extern u32 rv770_get_temp(struct radeon_device *rdev); +extern u32 evergreen_get_temp(struct radeon_device *rdev); /* * Fences. @@ -670,6 +673,13 @@ struct radeon_pm_profile { int dpms_on_cm_idx; }; +enum radeon_int_thermal_type { + THERMAL_TYPE_NONE, + THERMAL_TYPE_RV6XX, + THERMAL_TYPE_RV770, + THERMAL_TYPE_EVERGREEN, +}; + struct radeon_voltage { enum radeon_voltage_type type; /* gpio voltage */ @@ -765,6 +775,9 @@ struct radeon_pm { enum radeon_pm_profile_type profile; int profile_index; struct radeon_pm_profile profiles[PM_PROFILE_MAX]; + /* internal thermal controller on rv6xx+ */ + enum radeon_int_thermal_type int_thermal_type; + struct device *int_hwmon_dev; }; diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c index 99bd8a9..5dd86b9 100644 --- a/drivers/gpu/drm/radeon/radeon_atombios.c +++ b/drivers/gpu/drm/radeon/radeon_atombios.c @@ -1773,14 +1773,22 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev) } /* add the i2c bus for thermal/fan chip */ - /* no support for internal controller yet */ if (controller->ucType > 0) { - if ((controller->ucType == ATOM_PP_THERMALCONTROLLER_RV6xx) || - (controller->ucType == ATOM_PP_THERMALCONTROLLER_RV770) || - (controller->ucType == ATOM_PP_THERMALCONTROLLER_EVERGREEN)) { + if (controller->ucType == ATOM_PP_THERMALCONTROLLER_RV6xx) { DRM_INFO("Internal thermal controller %s fan control\n", (controller->ucFanParameters & ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with"); + rdev->pm.int_thermal_type = THERMAL_TYPE_RV6XX; + } else if (controller->ucType == ATOM_PP_THERMALCONTROLLER_RV770) { + DRM_INFO("Internal thermal controller %s fan control\n", + (controller->ucFanParameters & + ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with"); + rdev->pm.int_thermal_type = THERMAL_TYPE_RV770; + } else if (controller->ucType == ATOM_PP_THERMALCONTROLLER_EVERGREEN) { + DRM_INFO("Internal thermal controller %s fan control\n", + (controller->ucFanParameters & + ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with"); + rdev->pm.int_thermal_type = THERMAL_TYPE_EVERGREEN; } else if ((controller->ucType == ATOM_PP_THERMALCONTROLLER_EXTERNAL_GPIO) || (controller->ucType == diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c index 115d26b..ed66062 100644 --- a/drivers/gpu/drm/radeon/radeon_pm.c +++ b/drivers/gpu/drm/radeon/radeon_pm.c @@ -27,6 +27,8 @@ #include <linux/acpi.h> #endif #include <linux/power_supply.h> +#include <linux/hwmon.h> +#include <linux/hwmon-sysfs.h> #define RADEON_IDLE_LOOP_MS 100 #define RADEON_RECLOCK_DELAY_MS 200 @@ -423,6 +425,82 @@ fail: static DEVICE_ATTR(power_profile, S_IRUGO | S_IWUSR, radeon_get_pm_profile, radeon_set_pm_profile); static DEVICE_ATTR(power_method, S_IRUGO | S_IWUSR, radeon_get_pm_method, radeon_set_pm_method); +static ssize_t radeon_hwmon_show_temp(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct drm_device *ddev = pci_get_drvdata(to_pci_dev(dev)); + struct radeon_device *rdev = ddev->dev_private; + u32 temp; + + switch (rdev->pm.int_thermal_type) { + case THERMAL_TYPE_RV6XX: + temp = rv6xx_get_temp(rdev); + break; + case THERMAL_TYPE_RV770: + temp = rv770_get_temp(rdev); + break; + case THERMAL_TYPE_EVERGREEN: + temp = evergreen_get_temp(rdev); + break; + default: + temp = 0; + break; + } + + return snprintf(buf, PAGE_SIZE, "%d\n", temp); +} + +static ssize_t radeon_hwmon_show_name(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + return sprintf(buf, "radeon\n"); +} + +static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, radeon_hwmon_show_temp, NULL, 0); +static SENSOR_DEVICE_ATTR(name, S_IRUGO, radeon_hwmon_show_name, NULL, 0); + +static struct attribute *hwmon_attributes[] = { + &sensor_dev_attr_temp1_input.dev_attr.attr, + &sensor_dev_attr_name.dev_attr.attr, + NULL +}; + +static const struct attribute_group hwmon_attrgroup = { + .attrs = hwmon_attributes, +}; + +static void radeon_hwmon_init(struct radeon_device *rdev) +{ + int err; + + rdev->pm.int_hwmon_dev = NULL; + + switch (rdev->pm.int_thermal_type) { + case THERMAL_TYPE_RV6XX: + case THERMAL_TYPE_RV770: + case THERMAL_TYPE_EVERGREEN: + rdev->pm.int_hwmon_dev = hwmon_device_register(rdev->dev); + dev_set_drvdata(rdev->pm.int_hwmon_dev, rdev->ddev); + err = sysfs_create_group(&rdev->pm.int_hwmon_dev->kobj, + &hwmon_attrgroup); + if (err) + DRM_ERROR("Unable to create hwmon sysfs file: %d\n", err); + break; + default: + break; + } +} + +static void radeon_hwmon_fini(struct radeon_device *rdev) +{ + if (rdev->pm.int_hwmon_dev) { + sysfs_remove_group(&rdev->pm.int_hwmon_dev->kobj, &hwmon_attrgroup); + hwmon_device_unregister(rdev->pm.int_hwmon_dev); + } +} + void radeon_pm_suspend(struct radeon_device *rdev) { bool flush_wq = false; @@ -470,6 +548,7 @@ int radeon_pm_init(struct radeon_device *rdev) rdev->pm.dynpm_can_downclock = true; rdev->pm.current_sclk = rdev->clock.default_sclk; rdev->pm.current_mclk = rdev->clock.default_mclk; + rdev->pm.int_thermal_type = THERMAL_TYPE_NONE; if (rdev->bios) { if (rdev->is_atom_bios) @@ -480,6 +559,8 @@ int radeon_pm_init(struct radeon_device *rdev) radeon_pm_init_profile(rdev); } + /* set up the internal thermal sensor if applicable */ + radeon_hwmon_init(rdev); if (rdev->pm.num_power_states > 1) { /* where's the best place to put these? */ ret = device_create_file(rdev->dev, &dev_attr_power_profile); @@ -535,6 +616,7 @@ void radeon_pm_fini(struct radeon_device *rdev) #endif } + radeon_hwmon_fini(rdev); if (rdev->pm.i2c_bus) radeon_i2c_destroy(rdev->pm.i2c_bus); } diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c index 6a7bf10..836c15a 100644 --- a/drivers/gpu/drm/radeon/rv770.c +++ b/drivers/gpu/drm/radeon/rv770.c @@ -42,6 +42,21 @@ static void rv770_gpu_init(struct radeon_device *rdev); void rv770_fini(struct radeon_device *rdev); +/* get temperature in millidegrees */ +u32 rv770_get_temp(struct radeon_device *rdev) +{ + u32 temp = (RREG32(CG_MULT_THERMAL_STATUS) & ASIC_T_MASK) >> + ASIC_T_SHIFT; + u32 actual_temp = 0; + + if ((temp >> 9) & 1) + actual_temp = 0; + else + actual_temp = (temp >> 1) & 0xff; + + return actual_temp * 1000; +} + void rv770_pm_misc(struct radeon_device *rdev) { int req_ps_idx = rdev->pm.requested_power_state_index; diff --git a/drivers/gpu/drm/radeon/rv770d.h b/drivers/gpu/drm/radeon/rv770d.h index 9506f8c..fd733f2 100644 --- a/drivers/gpu/drm/radeon/rv770d.h +++ b/drivers/gpu/drm/radeon/rv770d.h @@ -122,6 +122,11 @@ #define GUI_ACTIVE (1<<31) #define GRBM_STATUS2 0x8014 +#define CG_MULT_THERMAL_STATUS 0x740 +#define ASIC_T(x) ((x) << 16) +#define ASIC_T_MASK 0x3FF0000 +#define ASIC_T_SHIFT 16 + #define HDP_HOST_PATH_CNTL 0x2C00 #define HDP_NONSURFACE_BASE 0x2C04 #define HDP_NONSURFACE_INFO 0x2C08 |