From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 5B52BC433FE for ; Thu, 7 Apr 2022 17:56:57 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id D59EF10EC14; Thu, 7 Apr 2022 17:56:56 +0000 (UTC) Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by gabe.freedesktop.org (Postfix) with ESMTPS id ACDDC10EC14 for ; Thu, 7 Apr 2022 17:56:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1649354215; x=1680890215; h=from:to:subject:in-reply-to:references:date:message-id: mime-version:content-transfer-encoding; bh=mdUjz1gbz0ihigpnivkRwB6QBTdJqzgcNvnd+dqYk2k=; b=BanLoU858GD5S5Cpztc3a92EPeNHXukNn4L2QVQiUY8SeuVIkf+Tzxb2 ilVmSh2gWQyrRR6WXFQaw1Lq+yVJSFIJC4JRtHckgi06gXWGc2FR2h175 3cFKa9N+UFBDDArBx4YRIm2AN2XED19rCN7NvqReXH/pJGZiZqrtakyKP 9qppnLAdnLav7BEPB1jDJJgJ9Xo3FXhVtTFsKIIZ379V2bDR/baZ481fs dGpHbvz/+DG41NMRqXXX6FUIu3cusX9q2ZdEaEDqYvaObFgWW/Qb6xfUi PLfe4DGVrCd264ULc77Qhz/j8zc7wJhgz41JFpLY6egSCMUgEt4MPOJUw A==; X-IronPort-AV: E=McAfee;i="6400,9594,10310"; a="324558854" X-IronPort-AV: E=Sophos;i="5.90,242,1643702400"; d="scan'208";a="324558854" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Apr 2022 10:56:55 -0700 X-IronPort-AV: E=Sophos;i="5.90,242,1643702400"; d="scan'208";a="571160601" Received: from kgibala-mobl.ger.corp.intel.com (HELO localhost) ([10.249.142.48]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Apr 2022 10:56:53 -0700 From: Jani Nikula To: Ville Syrjala , intel-gfx@lists.freedesktop.org In-Reply-To: <20220405173410.11436-20-ville.syrjala@linux.intel.com> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo References: <20220405173410.11436-1-ville.syrjala@linux.intel.com> <20220405173410.11436-20-ville.syrjala@linux.intel.com> Date: Thu, 07 Apr 2022 20:56:50 +0300 Message-ID: <87zgkw3hgd.fsf@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Subject: Re: [Intel-gfx] [PATCH v2 19/22] drm/i915/bios: Parse the seamless DRRS min refresh rate X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" On Tue, 05 Apr 2022, Ville Syrjala wrote: > From: Ville Syrj=C3=A4l=C3=A4 > > Extract the seamless DRRS min refresh rate from the VBT. > > v2: Do a version check > > Signed-off-by: Ville Syrj=C3=A4l=C3=A4 Reviewed-by: Jani Nikula > --- > drivers/gpu/drm/i915/display/intel_bios.c | 9 ++++++++- > drivers/gpu/drm/i915/i915_drv.h | 1 + > 2 files changed, 9 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/= i915/display/intel_bios.c > index cfdfe91d4ccf..d561551d6324 100644 > --- a/drivers/gpu/drm/i915/display/intel_bios.c > +++ b/drivers/gpu/drm/i915/display/intel_bios.c > @@ -802,6 +802,7 @@ parse_lfp_data(struct drm_i915_private *i915) > const struct bdb_lvds_lfp_data *data; > const struct bdb_lvds_lfp_data_tail *tail; > const struct bdb_lvds_lfp_data_ptrs *ptrs; > + int panel_type =3D i915->vbt.panel_type; >=20=20 > ptrs =3D find_section(i915, BDB_LVDS_LFP_DATA_PTRS); > if (!ptrs) > @@ -818,7 +819,13 @@ parse_lfp_data(struct drm_i915_private *i915) > if (!tail) > return; >=20=20 > - (void)tail; > + if (i915->vbt.version >=3D 188) { > + i915->vbt.seamless_drrs_min_refresh_rate =3D > + tail->seamless_drrs_min_refresh_rate[panel_type]; > + drm_dbg_kms(&i915->drm, > + "Seamless DRRS min refresh rate: %d Hz\n", > + i915->vbt.seamless_drrs_min_refresh_rate); > + } > } >=20=20 > static void > diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_= drv.h > index 9274417cd87a..7b6858651420 100644 > --- a/drivers/gpu/drm/i915/i915_drv.h > +++ b/drivers/gpu/drm/i915/i915_drv.h > @@ -327,6 +327,7 @@ struct intel_vbt_data { > bool override_afc_startup; > u8 override_afc_startup_val; >=20=20 > + u8 seamless_drrs_min_refresh_rate; > enum drrs_type drrs_type; >=20=20 > struct { --=20 Jani Nikula, Intel Open Source Graphics Center