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| author | Ingo Molnar <mingo@elte.hu> | 2011-02-14 13:28:29 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-02-14 13:28:31 +0100 |
| commit | b366801c95bdbeda811ac9668a3943051a18c188 (patch) | |
| tree | 79f08da2ad33a3159e67df344a4c411c88da7db6 /drivers/gpu/drm/radeon/rv770.c | |
| parent | eff9073790e1286aa12bf1c65814d3e0132b12e1 (diff) | |
| parent | 100b33c8bd8a3235fd0b7948338d6cbb3db3c63d (diff) | |
| download | linux-stable-b366801c95bdbeda811ac9668a3943051a18c188.tar.gz linux-stable-b366801c95bdbeda811ac9668a3943051a18c188.tar.bz2 linux-stable-b366801c95bdbeda811ac9668a3943051a18c188.zip | |
Merge commit 'v2.6.38-rc4' into x86/numa
Merge reason: Merge latest fixes before applying new patch.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/gpu/drm/radeon/rv770.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/rv770.c | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c index 491dc9000655..2211a323db41 100644 --- a/drivers/gpu/drm/radeon/rv770.c +++ b/drivers/gpu/drm/radeon/rv770.c @@ -78,18 +78,23 @@ u32 rv770_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base) } /* get temperature in millidegrees */ -u32 rv770_get_temp(struct radeon_device *rdev) +int 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; + int actual_temp; + + 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; + + return (actual_temp * 1000) / 2; } void rv770_pm_misc(struct radeon_device *rdev) |