On Tue, Dec 10, 2024 at 01:33:29PM +0530, Riana Tauro wrote: > On 10/30/2024 8:04 PM, Raag Jadav wrote: > > G8 power state entry is disabled due to a limitation on DG2, so we > > enable it from driver with Wa_14022698537. For now we enable it for > > all DG2 devices with the exception of a few, for which, we enable > > only when paired with whitelisted CPU models. This works with Native > > ASMP and reduces idle power consumption. > %s/ASMP/ASPM
Turns out I already have it locally but I don't remember fixing it. Bit of a supernatural moment. > With that > Reviewed-by: Riana Tauro <[email protected]> Awesome :) ... > > diff --git a/drivers/gpu/drm/i915/i915_reg.h > > b/drivers/gpu/drm/i915/i915_reg.h > > index 89e4381f8baa..d400c77423a5 100644 > > --- a/drivers/gpu/drm/i915/i915_reg.h > > +++ b/drivers/gpu/drm/i915/i915_reg.h > > @@ -3617,6 +3617,7 @@ > > #define POWER_SETUP_I1_WATTS REG_BIT(31) > > #define POWER_SETUP_I1_SHIFT 6 /* 10.6 fixed > > point format */ > > #define POWER_SETUP_I1_DATA_MASK REG_GENMASK(15, 0) > > +#define POWER_SETUP_SUBCOMMAND_G8_ENABLE 0x6 > Is the alignment correct? Yeah, we all fell for the same trick. https://lore.kernel.org/intel-gfx/[email protected]/ Raag > > #define GEN12_PCODE_READ_SAGV_BLOCK_TIME_US 0x23 > > #define XEHP_PCODE_FREQUENCY_CONFIG 0x6e /* pvc */ > > /* XEHP_PCODE_FREQUENCY_CONFIG sub-commands (param1) */ >
