From: Vinod Govindapillai Date: Tue, 6 Jun 2023 09:35:03 +0000 (+0300) Subject: drm/i915: fix the derating percentage for MTL X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=626765bb4b2e732e9a1595fc801f696dbde12db9;p=linux.git 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: Vinod Govindapillai Reviewed-by: Matt Roper Signed-off-by: Radhakrishna Sripada Link: https://patchwork.freedesktop.org/patch/msgid/20230606093509.221709-2-vinod.govindapillai@intel.com --- diff --git a/drivers/gpu/drm/i915/display/intel_bw.c b/drivers/gpu/drm/i915/display/intel_bw.c index 597d5816ad1b0..ab405c48ca3a9 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)