Commit 626765bb authored by Vinod Govindapillai's avatar Vinod Govindapillai Committed by Radhakrishna Sripada
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drm/i915: fix the derating percentage for MTL 



Follow the values from bspec for the percentage overhead for
efficiency in MTL BW calculations.

Bspec: 64631

Signed-off-by: default avatarVinod Govindapillai <vinod.govindapillai@intel.com>
Reviewed-by: default avatarMatt Roper <matthew.d.roper@intel.com>
Signed-off-by: default avatarRadhakrishna Sripada <radhakrishna.sripada@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230606093509.221709-2-vinod.govindapillai@intel.com
parent 9831a9d1

drivers/gpu/drm/i915/display/intel_bw.c

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