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drm/i915: fix the derating percentage for MTL

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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>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230606093509.221709-2-vinod.govindapillai@intel.com
This commit is contained in:
Vinod Govindapillai
2023-06-06 12:35:03 +03:00
committed by Radhakrishna Sripada
parent 9831a9d184
commit 626765bb4b
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/i915/display/intel_bw.c
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@@ -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)