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yaml
---
r: 253185
b: refs/heads/master
c: 67b3f82
h: refs/heads/master
i:
  253183: b8f89bf
v: v3
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Alex Deucher authored and Dave Airlie committed May 25, 2011
1 parent 4955ea1 commit eae22b6
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Showing 3 changed files with 40 additions and 16 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 457558eda1545c22163574f6dbb883394705e9dd
refs/heads/master: 67b3f823ec78d08aea8835bce2655674237abc1d
46 changes: 32 additions & 14 deletions trunk/drivers/gpu/drm/radeon/evergreen.c
Original file line number Diff line number Diff line change
Expand Up @@ -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)
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8 changes: 7 additions & 1 deletion trunk/drivers/gpu/drm/radeon/evergreend.h
Original file line number Diff line number Diff line change
Expand Up @@ -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

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