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drm/radeon/dpm: add smc fan control for SI (v2)

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Enable smc fan control for SI boards.  Should
reduce the fan noise on systems with a higher
default fan profile.

v2: disable by default, add rpm controls

bug:
https://bugs.freedesktop.org/show_bug.cgi?id=73338

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher
2014-09-14 21:14:14 -04:00
parent 4bb62c95a7
commit 39471ad39d
6 changed files with 401 additions and 7 deletions
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3
drivers/gpu/drm/radeon/r600_dpm.h
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@@ -96,6 +96,9 @@
#define R600_TEMP_RANGE_MIN (90 * 1000)
#define R600_TEMP_RANGE_MAX (120 * 1000)
#define FDO_PWM_MODE_STATIC 1
#define FDO_PWM_MODE_STATIC_RPM 5
enum r600_power_level {
R600_POWER_LEVEL_LOW = 0,
R600_POWER_LEVEL_MEDIUM = 1,