diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_drv.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 26 |
1 files changed, 18 insertions, 8 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 241f5e16cee..c5c57608460 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -980,14 +980,24 @@ struct intel_gen6_power_mgmt { struct work_struct work; u32 pm_iir; - u8 cur_delay; - u8 min_delay; - u8 max_delay; - u8 rpe_delay; - u8 rp1_delay; - u8 rp0_delay; - u8 hw_max; - u8 min_freq; + /* Frequencies are stored in potentially platform dependent multiples. + * In other words, *_freq needs to be multiplied by X to be interesting. + * Soft limits are those which are used for the dynamic reclocking done + * by the driver (raise frequencies under heavy loads, and lower for + * lighter loads). Hard limits are those imposed by the hardware. + * + * A distinction is made for overclocking, which is never enabled by + * default, and is considered to be above the hard limit if it's + * possible at all. + */ + u8 cur_freq; /* Current frequency (cached, may not == HW) */ + u8 min_freq_softlimit; /* Minimum frequency permitted by the driver */ + u8 max_freq_softlimit; /* Max frequency permitted by the driver */ + u8 max_freq; /* Maximum frequency, RP0 if not overclocking */ + u8 min_freq; /* AKA RPn. Minimum frequency */ + u8 efficient_freq; /* AKA RPe. Pre-determined balanced frequency */ + u8 rp1_freq; /* "less than" RP0 power/freqency */ + u8 rp0_freq; /* Non-overclocked max frequency. */ bool rp_up_masked; bool rp_down_masked; |