diff options
| author | Alex Deucher <alexdeucher@gmail.com> | 2010-11-22 17:56:32 -0500 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2010-11-23 09:23:29 +1000 |
| commit | e33df25fecd31be889a878bc75313817bc292bac (patch) | |
| tree | 8e42dddd4d00d3dd475c05bf4588c49d0682cfcc /drivers | |
| parent | d5e455e48b095df7f5381dff028f8523aaf565a9 (diff) | |
drm/radeon/kms: add thermal sensor support for fusion APUs
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/radeon/evergreen.c | 8 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/evergreend.h | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_pm.c | 4 |
4 files changed, 17 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index 7f859ffe99c..075d6c17259 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -57,6 +57,14 @@ u32 evergreen_get_temp(struct radeon_device *rdev) return actual_temp * 1000; } +u32 sumo_get_temp(struct radeon_device *rdev) +{ + u32 temp = RREG32(CG_THERMAL_STATUS) & 0xff; + u32 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 9644b1cbfb0..87fcaba7669 100644 --- a/drivers/gpu/drm/radeon/evergreend.h +++ b/drivers/gpu/drm/radeon/evergreend.h @@ -164,11 +164,13 @@ #define SE_SC_BUSY (1 << 29) #define SE_DB_BUSY (1 << 30) #define SE_CB_BUSY (1 << 31) - +/* evergreen */ #define CG_MULT_THERMAL_STATUS 0x740 #define ASIC_T(x) ((x) << 16) #define ASIC_T_MASK 0x7FF0000 #define ASIC_T_SHIFT 16 +/* APU */ +#define CG_THERMAL_STATUS 0x678 #define HDP_HOST_PATH_CNTL 0x2C00 #define HDP_NONSURFACE_BASE 0x2C04 diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index bf3a4fc8296..0507ee7e16e 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -180,6 +180,7 @@ 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); +extern u32 sumo_get_temp(struct radeon_device *rdev); /* * Fences. @@ -687,6 +688,7 @@ enum radeon_int_thermal_type { THERMAL_TYPE_RV6XX, THERMAL_TYPE_RV770, THERMAL_TYPE_EVERGREEN, + THERMAL_TYPE_SUMO, }; struct radeon_voltage { diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c index 8c9b2ef32c6..ac4efb0f1cb 100644 --- a/drivers/gpu/drm/radeon/radeon_pm.c +++ b/drivers/gpu/drm/radeon/radeon_pm.c @@ -449,6 +449,9 @@ static ssize_t radeon_hwmon_show_temp(struct device *dev, case THERMAL_TYPE_EVERGREEN: temp = evergreen_get_temp(rdev); break; + case THERMAL_TYPE_SUMO: + temp = sumo_get_temp(rdev); + break; default: temp = 0; break; @@ -487,6 +490,7 @@ static int radeon_hwmon_init(struct radeon_device *rdev) case THERMAL_TYPE_RV6XX: case THERMAL_TYPE_RV770: case THERMAL_TYPE_EVERGREEN: + case THERMAL_TYPE_SUMO: rdev->pm.int_hwmon_dev = hwmon_device_register(rdev->dev); if (IS_ERR(rdev->pm.int_hwmon_dev)) { err = PTR_ERR(rdev->pm.int_hwmon_dev); |