diff options
| author | Akash Goel <akash.goel@intel.com> | 2016-04-23 00:05:44 +0530 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2016-04-24 11:33:53 +0100 |
| commit | 52530cbadcdf786d7eb58365034b01810f52db1f (patch) | |
| tree | 124309240767f5270b2d47eaa728917b15619187 /drivers/gpu/drm/i915/i915_reg.h | |
| parent | 8a292d016d1cc4938ff14b4df25328230b08a408 (diff) | |
drm/i915: Macros to convert PM time interval values to microseconds
Added a new GT_PM_INTERVAL_TO_US macro to perform the platform
specific conversion of PM time interval values to microseconds unit.
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Akash Goel <akash.goel@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/1461350146-23454-1-git-send-email-akash.goel@intel.com
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_reg.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_reg.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 08f01f4470cd..58ac6c7c690b 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -2964,6 +2964,15 @@ enum skl_disp_power_wells { INTERVAL_1_33_US(us)) : \ INTERVAL_1_28_US(us)) +#define INTERVAL_1_28_TO_US(interval) (((interval) << 7) / 100) +#define INTERVAL_1_33_TO_US(interval) (((interval) << 2) / 3) +#define INTERVAL_0_833_TO_US(interval) (((interval) * 5) / 6) +#define GT_PM_INTERVAL_TO_US(dev_priv, interval) (IS_GEN9(dev_priv) ? \ + (IS_BROXTON(dev_priv) ? \ + INTERVAL_0_833_TO_US(interval) : \ + INTERVAL_1_33_TO_US(interval)) : \ + INTERVAL_1_28_TO_US(interval)) + /* * Logical Context regs */ |