Message ID | 20230427150016.1566833-2-vinod.govindapillai@intel.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | mtl: add support for pmdemand | expand |
On Thu, Apr 27, 2023 at 06:00:09PM +0300, Vinod Govindapillai wrote: > Follow the values from bspec for the percentage overhead for > efficiency in MTL BW calculations. > > Bspec: 64631 > > Signed-off-by: Vinod Govindapillai <vinod.govindapillai@intel.com> Looks like the bspec was updated with this new value on March 30th. Reviewed-by: Matt Roper <matthew.d.roper@intel.com> > --- > drivers/gpu/drm/i915/display/intel_bw.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/i915/display/intel_bw.c b/drivers/gpu/drm/i915/display/intel_bw.c > index 597d5816ad1b..ab405c48ca3a 100644 > --- a/drivers/gpu/drm/i915/display/intel_bw.c > +++ b/drivers/gpu/drm/i915/display/intel_bw.c > @@ -379,7 +379,7 @@ static const struct intel_sa_info mtl_sa_info = { > .deburst = 32, > .deprogbwlimit = 38, /* GB/s */ > .displayrtids = 256, > - .derating = 20, > + .derating = 10, > }; > > static int icl_get_bw_info(struct drm_i915_private *dev_priv, const struct intel_sa_info *sa) > -- > 2.34.1 >
diff --git a/drivers/gpu/drm/i915/display/intel_bw.c b/drivers/gpu/drm/i915/display/intel_bw.c index 597d5816ad1b..ab405c48ca3a 100644 --- a/drivers/gpu/drm/i915/display/intel_bw.c +++ b/drivers/gpu/drm/i915/display/intel_bw.c @@ -379,7 +379,7 @@ static const struct intel_sa_info mtl_sa_info = { .deburst = 32, .deprogbwlimit = 38, /* GB/s */ .displayrtids = 256, - .derating = 20, + .derating = 10, }; static int icl_get_bw_info(struct drm_i915_private *dev_priv, const struct intel_sa_info *sa)
Follow the values from bspec for the percentage overhead for efficiency in MTL BW calculations. Bspec: 64631 Signed-off-by: Vinod Govindapillai <vinod.govindapillai@intel.com> --- drivers/gpu/drm/i915/display/intel_bw.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)