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spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id A5AAB6E89A; Wed, 1 Jul 2020 11:57:27 +0000 (UTC) Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTPS id C6BB96E89A for ; Wed, 1 Jul 2020 11:57:25 +0000 (UTC) IronPort-SDR: WHd1gyqCXb/O292D/IiPUfFlPLvi3NXaIypE6JqnZVMXGUvo2SMAT2Pnz20TG0CW2VNtoI4aG2 sOP+e3Pgt7QQ== X-IronPort-AV: E=McAfee;i="6000,8403,9668"; a="164556185" X-IronPort-AV: E=Sophos;i="5.75,300,1589266800"; d="scan'208";a="164556185" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Jul 2020 04:57:25 -0700 IronPort-SDR: aZgcbXEKkoQf7oyJGjLNBuWbqI3NS6LKDmMCXNNFQOcRk6c9QloeWiFBscZ6Lm+i/zf4hH0gIv qcKa10f+4H3w== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,300,1589266800"; d="scan'208";a="313749149" Received: from stinkbox.fi.intel.com (HELO stinkbox) ([10.237.72.174]) by fmsmga002.fm.intel.com with SMTP; 01 Jul 2020 04:57:23 -0700 Received: by stinkbox (sSMTP sendmail emulation); Wed, 01 Jul 2020 14:57:22 +0300 Date: Wed, 1 Jul 2020 14:57:22 +0300 From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= To: =?iso-8859-1?Q?Jos=E9?= Roberto de Souza Message-ID: <20200701115722.GY6112@intel.com> References: <20200701010655.226379-1-jose.souza@intel.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200701010655.226379-1-jose.souza@intel.com> X-Patchwork-Hint: comment User-Agent: Mutt/1.10.1 (2018-07-13) Subject: Re: [Intel-gfx] [PATCH v2 1/2] drm/i915/tgl: Implement WA 18011464164 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: , Cc: intel-gfx@lists.freedesktop.org Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" On Tue, Jun 30, 2020 at 06:06:54PM -0700, Jos=E9 Roberto de Souza wrote: > This fix some possible corruptions. > = > v2: > Renamed SLICE_UNIT_LEVEL_CLOCK_GATING_CTL to > SLICE_UNIT_LEVEL_CLKGATE_CTL_94D8 Spec people are getting creative with the naming :/ > = > BSpec: 52755 > BSpec: 52890 > Cc: Ville Syrj=E4l=E4 > Signed-off-by: Jos=E9 Roberto de Souza > --- > drivers/gpu/drm/i915/i915_reg.h | 3 +++ > drivers/gpu/drm/i915/intel_pm.c | 8 +++++++- > 2 files changed, 10 insertions(+), 1 deletion(-) > = > diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_= reg.h > index 9d6536afc94b..76bc70d214b6 100644 > --- a/drivers/gpu/drm/i915/i915_reg.h > +++ b/drivers/gpu/drm/i915/i915_reg.h > @@ -4174,6 +4174,9 @@ enum { > #define INF_UNIT_LEVEL_CLKGATE _MMIO(0x9560) > #define CGPSF_CLKGATE_DIS (1 << 3) > = > +#define SLICE_UNIT_LEVEL_CLKGATE_CTL_94D8 _MMIO(0x94D8) > +#define GS_UNIT_CLOCK_GATING_DIS REG_BIT(24) > + > /* > * Display engine regs > */ > diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel= _pm.c > index 2a32d6230795..80293e3e48ad 100644 > --- a/drivers/gpu/drm/i915/intel_pm.c > +++ b/drivers/gpu/drm/i915/intel_pm.c > @@ -7113,7 +7113,7 @@ static void tgl_init_clock_gating(struct drm_i915_p= rivate *dev_priv) > I915_WRITE(POWERGATE_ENABLE, > I915_READ(POWERGATE_ENABLE) | vd_pg_enable); > = > - /* Wa_1409825376:tgl (pre-prod)*/ > + /* Wa_1409825376:tgl (pre-prod) */ > if (IS_TGL_REVID(dev_priv, TGL_REVID_A0, TGL_REVID_A0)) > I915_WRITE(GEN9_CLKGATE_DIS_3, I915_READ(GEN9_CLKGATE_DIS_3) | > TGL_VRH_GATING_DIS); > @@ -7121,6 +7121,12 @@ static void tgl_init_clock_gating(struct drm_i915_= private *dev_priv) > /* Wa_14011059788:tgl */ > intel_uncore_rmw(&dev_priv->uncore, GEN10_DFR_RATIO_EN_AND_CHICKEN, > 0, DFR_DISABLE); > + > + /* Wa_18011464164:tgl */ > + if (IS_TGL_REVID(dev_priv, TGL_REVID_B0, TGL_REVID_B0)) > + intel_uncore_rmw(&dev_priv->uncore, > + SLICE_UNIT_LEVEL_CLKGATE_CTL_94D8, 0, > + GS_UNIT_CLOCK_GATING_DIS); Still looks like the wrong place for gt w/as though. > } > = > static void cnp_init_clock_gating(struct drm_i915_private *dev_priv) > -- = > 2.27.0 -- = Ville Syrj=E4l=E4 Intel _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx