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 504FFC77B73 for ; Wed, 19 Apr 2023 15:34:16 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 99CAA10E1B9; Wed, 19 Apr 2023 15:34:15 +0000 (UTC) Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by gabe.freedesktop.org (Postfix) with ESMTPS id CE22B10E1B9 for ; Wed, 19 Apr 2023 15:34:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1681918453; x=1713454453; h=from:to:subject:in-reply-to:references:date:message-id: mime-version:content-transfer-encoding; bh=1uMCsZhgWYCFl2+83h9bDjiAe87wNzayZQyumnh4plk=; b=mOI0SsK17WIG97rLkqC8sqrp/+W3y+sOsrl4WBRuspLBmNuUC4mdre/C q2M41A7HhGO5qXV0J/yl/OYgObXDATSMFD1gj1lkfYRabb1OUyZoQAbhp MEMXQVej73YIVW1PnBOy9She3hkNprtl4FzMcm8HSr/jXh3mVltpbgFRN n1Q834r0xnc8+9eF8bqKy/fJfy9tyA36g5icb2uS3zDxUjNa0blxx9iaD 1yGSnsKYS+st7E+8sXJWWODURQ8JM4XV03VjMJu/Hb4GaNzpw2T0wDsgb lJvFRUJ56dTzYhPUpww7cJD6XZISZnoWS62e9czQOhdvXhW6SdChDWl4L A==; X-IronPort-AV: E=McAfee;i="6600,9927,10685"; a="325095120" X-IronPort-AV: E=Sophos;i="5.99,208,1677571200"; d="scan'208";a="325095120" Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Apr 2023 08:34:04 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10685"; a="641816440" X-IronPort-AV: E=Sophos;i="5.99,208,1677571200"; d="scan'208";a="641816440" Received: from yedidyal-mobl1.ger.corp.intel.com (HELO localhost) ([10.252.47.37]) by orsmga003-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Apr 2023 08:34:02 -0700 From: Jani Nikula To: Ville Syrjala , intel-gfx@lists.freedesktop.org In-Reply-To: <20230418175528.13117-10-ville.syrjala@linux.intel.com> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo References: <20230418175528.13117-1-ville.syrjala@linux.intel.com> <20230418175528.13117-10-ville.syrjala@linux.intel.com> Date: Wed, 19 Apr 2023 18:34:00 +0300 Message-ID: <87v8hryjh3.fsf@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Subject: Re: [Intel-gfx] [PATCH 09/15] drm/i915: Define bitmasks for ilk pfit window pos/size 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, 18 Apr 2023, Ville Syrjala wrote: > From: Ville Syrj=C3=A4l=C3=A4 > > Define and use the bitmasks for the x/y components > of the ilk+ panel filter window pos/size registers. This reduces the field sizes by 3-4 bits. Maybe that's what they're in the spec, but it's at least worth mentioning here. BR, Jani. > > Signed-off-by: Ville Syrj=C3=A4l=C3=A4 > --- > drivers/gpu/drm/i915/display/intel_display.c | 12 ++++++++---- > drivers/gpu/drm/i915/i915_reg.h | 8 ++++++++ > 2 files changed, 16 insertions(+), 4 deletions(-) > > diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/d= rm/i915/display/intel_display.c > index fb49d0ed61b4..626a5f41a1f1 100644 > --- a/drivers/gpu/drm/i915/display/intel_display.c > +++ b/drivers/gpu/drm/i915/display/intel_display.c > @@ -812,8 +812,10 @@ static void ilk_pfit_enable(const struct intel_crtc_= state *crtc_state) > else > intel_de_write_fw(dev_priv, PF_CTL(pipe), PF_ENABLE | > PF_FILTER_MED_3x3); > - intel_de_write_fw(dev_priv, PF_WIN_POS(pipe), x << 16 | y); > - intel_de_write_fw(dev_priv, PF_WIN_SZ(pipe), width << 16 | height); > + intel_de_write_fw(dev_priv, PF_WIN_POS(pipe), > + PF_WIN_XPOS(x) | PF_WIN_YPOS(y)); > + intel_de_write_fw(dev_priv, PF_WIN_SZ(pipe), > + PF_WIN_XSIZE(width) | PF_WIN_YSIZE(height)); > } >=20=20 > static void intel_crtc_dpms_overlay_disable(struct intel_crtc *crtc) > @@ -3246,8 +3248,10 @@ static void ilk_get_pfit_config(struct intel_crtc_= state *crtc_state) > size =3D intel_de_read(dev_priv, PF_WIN_SZ(crtc->pipe)); >=20=20 > drm_rect_init(&crtc_state->pch_pfit.dst, > - pos >> 16, pos & 0xffff, > - size >> 16, size & 0xffff); > + REG_FIELD_GET(PF_WIN_XPOS_MASK, pos), > + REG_FIELD_GET(PF_WIN_YPOS_MASK, pos), > + REG_FIELD_GET(PF_WIN_XSIZE_MASK, size), > + REG_FIELD_GET(PF_WIN_YSIZE_MASK, size)); >=20=20 > /* > * We currently do not free assignements of panel fitters on > diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_= reg.h > index 3c02f6c70733..75e1f30adda1 100644 > --- a/drivers/gpu/drm/i915/i915_reg.h > +++ b/drivers/gpu/drm/i915/i915_reg.h > @@ -4020,8 +4020,16 @@ > #define PF_FILTER_EDGE_SOFTEN REG_FIELD_PREP(PF_FILTER_EDGE_MASK, 3) > #define _PFA_WIN_SZ 0x68074 > #define _PFB_WIN_SZ 0x68874 > +#define PF_WIN_XSIZE_MASK REG_GENMASK(28, 16) > +#define PF_WIN_XSIZE(w) REG_FIELD_PREP(PF_WIN_XSIZE_MASK, (w)) > +#define PF_WIN_YSIZE_MASK REG_GENMASK(11, 0) > +#define PF_WIN_YSIZE(h) REG_FIELD_PREP(PF_WIN_YSIZE_MASK, (h)) > #define _PFA_WIN_POS 0x68070 > #define _PFB_WIN_POS 0x68870 > +#define PF_WIN_XPOS_MASK REG_GENMASK(28, 16) > +#define PF_WIN_XPOS(x) REG_FIELD_PREP(PF_WIN_XPOS_MASK, (x)) > +#define PF_WIN_YPOS_MASK REG_GENMASK(11, 0) > +#define PF_WIN_YPOS(y) REG_FIELD_PREP(PF_WIN_YPOS_MASK, (y)) > #define _PFA_VSCALE 0x68084 > #define _PFB_VSCALE 0x68884 > #define _PFA_HSCALE 0x68090 --=20 Jani Nikula, Intel Open Source Graphics Center