Uses a different method than other evergreen asics.
Signed-off-by: Alex Deucher alexdeucher@gmail.com --- drivers/gpu/drm/radeon/evergreen.c | 48 ++++++++++++++++++++++++----------- drivers/gpu/drm/radeon/evergreend.h | 8 +++++- 2 files changed, 40 insertions(+), 16 deletions(-)
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index 7c37638..5f0c345 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -88,21 +88,39 @@ u32 evergreen_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base) /* get temperature in millidegrees */ int 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 & 0x400) - actual_temp = -256; - else if (temp & 0x200) - actual_temp = 255; - else if (temp & 0x100) { - actual_temp = temp & 0x1ff; - actual_temp |= ~0x1ff; - } else - actual_temp = temp & 0xff; + u32 temp, toffset, actual_temp = 0; + + if (rdev->family == CHIP_JUNIPER) { + toffset = (RREG32(CG_THERMAL_CTRL) & TOFFSET_MASK) >> + TOFFSET_SHIFT; + temp = (RREG32(CG_TS0_STATUS) & TS0_ADC_DOUT_MASK) >> + TS0_ADC_DOUT_SHIFT; + + if (toffset & 0x100) + actual_temp = temp / 2 - (0x200 - toffset); + else + actual_temp = temp / 2 + toffset; + + actual_temp = actual_temp * 1000; + + } else { + temp = (RREG32(CG_MULT_THERMAL_STATUS) & ASIC_T_MASK) >> + ASIC_T_SHIFT; + + if (temp & 0x400) + actual_temp = -256; + else if (temp & 0x200) + actual_temp = 255; + else if (temp & 0x100) { + actual_temp = temp & 0x1ff; + actual_temp |= ~0x1ff; + } else + actual_temp = temp & 0xff; + + actual_temp = (actual_temp * 1000) / 2; + }
- return (actual_temp * 1000) / 2; + return actual_temp; }
int sumo_get_temp(struct radeon_device *rdev) diff --git a/drivers/gpu/drm/radeon/evergreend.h b/drivers/gpu/drm/radeon/evergreend.h index f37e91e..1636e34 100644 --- a/drivers/gpu/drm/radeon/evergreend.h +++ b/drivers/gpu/drm/radeon/evergreend.h @@ -168,10 +168,16 @@ #define SE_DB_BUSY (1 << 30) #define SE_CB_BUSY (1 << 31) /* evergreen */ +#define CG_THERMAL_CTRL 0x72c +#define TOFFSET_MASK 0x00003FE0 +#define TOFFSET_SHIFT 5 #define CG_MULT_THERMAL_STATUS 0x740 #define ASIC_T(x) ((x) << 16) -#define ASIC_T_MASK 0x7FF0000 +#define ASIC_T_MASK 0x07FF0000 #define ASIC_T_SHIFT 16 +#define CG_TS0_STATUS 0x760 +#define TS0_ADC_DOUT_MASK 0x000003FF +#define TS0_ADC_DOUT_SHIFT 0 /* APU */ #define CG_THERMAL_STATUS 0x678