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Commit 26148bd3 authored by Akash Goel's avatar Akash Goel Committed by Daniel Vetter
Browse files

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: default avatarAnkitprasad Sharma <ankitprasad.r.sharma@intel.com>
Signed-off-by: default avatarAkash Goel <akash.goel@intel.com>
Signed-off-by: default avatarSagar Arun Kamble <sagar.a.kamble@intel.com>
Reviewed-by: default avatarImre Deak <imre.deak@intel.com>
[danvet: Add note about state of Bspec.]
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent 2f5945bc

drivers/gpu/drm/i915/i915_reg.h

+4 −1
Original line number Diff line number Diff line
@@ -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))



/*