From patchwork Fri Sep 7 15:24:03 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?VmlsbGUgU3lyasOkbMOk?= X-Patchwork-Id: 10592285 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id ADE7114BD for ; Fri, 7 Sep 2018 15:24:28 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9C00F2842B for ; Fri, 7 Sep 2018 15:24:28 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 905082856E; Fri, 7 Sep 2018 15:24:28 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 4C9DC2842B for ; Fri, 7 Sep 2018 15:24:28 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id C9F146E975; Fri, 7 Sep 2018 15:24:27 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by gabe.freedesktop.org (Postfix) with ESMTPS id 508A36E95D for ; Fri, 7 Sep 2018 15:24:25 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga105.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 07 Sep 2018 08:24:24 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.53,342,1531810800"; d="scan'208";a="78751607" Received: from stinkbox.fi.intel.com (HELO stinkbox) ([10.237.72.174]) by FMSMGA003.fm.intel.com with SMTP; 07 Sep 2018 08:24:23 -0700 Received: by stinkbox (sSMTP sendmail emulation); Fri, 07 Sep 2018 18:24:22 +0300 From: Ville Syrjala To: intel-gfx@lists.freedesktop.org Date: Fri, 7 Sep 2018 18:24:03 +0300 Message-Id: <20180907152413.15761-4-ville.syrjala@linux.intel.com> X-Mailer: git-send-email 2.16.4 In-Reply-To: <20180907152413.15761-1-ville.syrjala@linux.intel.com> References: <20180907152413.15761-1-ville.syrjala@linux.intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 03/13] drm/i915: Use pipe A primary plane .max_stride() as the global stride limit X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 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" X-Virus-Scanned: ClamAV using ClamSMTP From: Ville Syrjälä Let's assume that the primary plane for pipe A has the highest max stride of all planes, and we'll use that as the global limit when creating a new framebuffer. Reviewed-by: José Roberto de Souza Signed-off-by: Ville Syrjälä --- drivers/gpu/drm/i915/intel_display.c | 33 ++++++++++----------------------- 1 file changed, 10 insertions(+), 23 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 323fdee6d88a..417d5d24cc8d 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -14432,31 +14432,18 @@ static u32 intel_fb_pitch_limit(struct drm_i915_private *dev_priv, uint64_t fb_modifier, uint32_t pixel_format) { - u32 gen = INTEL_GEN(dev_priv); + struct intel_crtc *crtc; + struct intel_plane *plane; - if (gen >= 9) { - int cpp = drm_format_plane_cpp(pixel_format, 0); + /* + * We assume the primary plane for pipe A has + * the highest stride limits of them all. + */ + crtc = intel_get_crtc_for_pipe(dev_priv, PIPE_A); + plane = to_intel_plane(crtc->base.primary); - /* "The stride in bytes must not exceed the of the size of 8K - * pixels and 32K bytes." - */ - return min(8192 * cpp, 32768); - } else if (gen >= 5 && !HAS_GMCH_DISPLAY(dev_priv)) { - return 32*1024; - } else if (gen >= 4) { - if (fb_modifier == I915_FORMAT_MOD_X_TILED) - return 16*1024; - else - return 32*1024; - } else if (gen >= 3) { - if (fb_modifier == I915_FORMAT_MOD_X_TILED) - return 8*1024; - else - return 16*1024; - } else { - /* XXX DSPC is limited to 4k tiled */ - return 8*1024; - } + return plane->max_stride(plane, pixel_format, fb_modifier, + DRM_MODE_ROTATE_0); } static int intel_framebuffer_init(struct intel_framebuffer *intel_fb,