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| author | Akash Goel <akash.goel@intel.com> | 2015-09-18 23:39:51 +0530 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2015-10-07 16:06:24 +0200 |
| commit | 26148bd3c0f1fbd8f2b0dae994f3195316f677db (patch) | |
| tree | f08233763157645f3654cef5b0f35b45cfcb9350 /drivers/gpu/drm/i915/i915_reg.h | |
| parent | 2f5945bc9076bd7b1086c1b4ac47dea8ab336e57 (diff) | |
| download | lwn-26148bd3c0f1fbd8f2b0dae994f3195316f677db.tar.gz lwn-26148bd3c0f1fbd8f2b0dae994f3195316f677db.zip | |
drm/i915/bxt: Set time interval unit to 0.833us
Note that in Bspec you have to dig around in a section called
"Timestamp bases" and Bspec update request is filed.
Signed-off-by: Ankitprasad Sharma <ankitprasad.r.sharma@intel.com>
Signed-off-by: Akash Goel <akash.goel@intel.com>
Signed-off-by: Sagar Arun Kamble <sagar.a.kamble@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
[danvet: Add note about state of Bspec.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_reg.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_reg.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 07588b63d434..6be853d2233c 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -2840,8 +2840,11 @@ enum skl_disp_power_wells { #define INTERVAL_1_28_US(us) (((us) * 100) >> 7) #define INTERVAL_1_33_US(us) (((us) * 3) >> 2) +#define INTERVAL_0_833_US(us) (((us) * 6) / 5) #define GT_INTERVAL_FROM_US(dev_priv, us) (IS_GEN9(dev_priv) ? \ - INTERVAL_1_33_US(us) : \ + (IS_BROXTON(dev_priv) ? \ + INTERVAL_0_833_US(us) : \ + INTERVAL_1_33_US(us)) : \ INTERVAL_1_28_US(us)) /* |