From patchwork Sat Mar 21 00:04:26 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chandra Konduru X-Patchwork-Id: 6062091 Return-Path: X-Original-To: patchwork-intel-gfx@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id F3911BF910 for ; Sat, 21 Mar 2015 00:05:33 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 2A9B4203F4 for ; Sat, 21 Mar 2015 00:05:33 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 1707A2041D for ; Sat, 21 Mar 2015 00:05:32 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 724988A57C; Fri, 20 Mar 2015 17:05:31 -0700 (PDT) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTP id 653958A566 for ; Fri, 20 Mar 2015 17:05:22 -0700 (PDT) Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga101.jf.intel.com with ESMTP; 20 Mar 2015 17:05:23 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.11,440,1422950400"; d="scan'208";a="544094292" Received: from cmkondur-desk2.fm.intel.com ([10.19.123.59]) by orsmga003.jf.intel.com with ESMTP; 20 Mar 2015 17:05:23 -0700 From: Chandra Konduru To: intel-gfx@lists.freedesktop.org Date: Fri, 20 Mar 2015 17:04:26 -0700 Message-Id: <1426896282-23215-6-git-send-email-chandra.konduru@intel.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1426896282-23215-1-git-send-email-chandra.konduru@intel.com> References: <1426896282-23215-1-git-send-email-chandra.konduru@intel.com> Cc: ander.conselvan.de.oliveira@intel.com, daniel.vetter@intel.com Subject: [Intel-gfx] [PATCH 05/21 v2] drm/i915: Initialize skylake scalers X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Initializing scalers with supported values during crtc init. v2: -initialize single copy of min/max values (Matt) Signed-off-by: Chandra Konduru --- drivers/gpu/drm/i915/intel_display.c | 53 ++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 89299b6..e6ea9e0 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -103,6 +103,8 @@ static void chv_prepare_pll(struct intel_crtc *crtc, const struct intel_crtc_state *pipe_config); static void intel_begin_crtc_commit(struct drm_crtc *crtc); static void intel_finish_crtc_commit(struct drm_crtc *crtc); +static void skl_init_scalers(struct drm_device *dev, int pipe, + struct intel_crtc_state *crtc_state); static struct intel_encoder *intel_find_encoder(struct intel_connector *connector, int pipe) { @@ -12750,6 +12752,54 @@ static struct drm_plane *intel_cursor_plane_create(struct drm_device *dev, return &cursor->base; } +static void skl_init_scalers(struct drm_device *dev, int pipe, + struct intel_crtc_state *crtc_state) +{ + int i; + struct intel_scaler *intel_scaler; + struct intel_crtc_scaler_state *scaler_state = &crtc_state->scaler_state; + if (INTEL_INFO(dev)->gen < 9) + return; + + scaler_state->num_scalers = SKL_NUM_SCALERS; + for (i = 0; i < SKL_NUM_SCALERS; i++) { + intel_scaler = &scaler_state->scalers[i]; + intel_scaler->in_use = 0; + intel_scaler->id = i; + + intel_scaler->mode = PS_SCALER_MODE_DYN; + intel_scaler->filter = PS_FILTER_MEDIUM; + } + + /* down scaling ratio: 2.99 --> 1, i.e., 34% of original */ + scaler_state->min_hsr = 34; + scaler_state->min_vsr = 34; + scaler_state->max_hsr = 500; + scaler_state->max_vsr = 500; + + /* down scaling ratio: 2.99x2.99 --> 1x1, i.e., 12% of original */ + scaler_state->min_hvsr = 12; + scaler_state->max_hvsr = 2500; + + /* src_w & dst_w range 8 - 4096 */ + scaler_state->min_src_w = 8; + scaler_state->max_src_w = 4096; + scaler_state->min_dst_w = 8; + scaler_state->max_dst_w = 4096; + + /* src_h & dst_h range 8 - 2304 */ + scaler_state->min_src_h = 8; + scaler_state->max_src_h = 2304; + scaler_state->min_dst_h = 8; + scaler_state->max_dst_h = 2304; + + /* pipe C has one scaler */ + if (pipe == PIPE_C) { + scaler_state->num_scalers = 1; + } + scaler_state->scaler_id = -1; +} + static void intel_crtc_init(struct drm_device *dev, int pipe) { struct drm_i915_private *dev_priv = dev->dev_private; @@ -12769,6 +12819,9 @@ static void intel_crtc_init(struct drm_device *dev, int pipe) intel_crtc_set_state(intel_crtc, crtc_state); crtc_state->base.crtc = &intel_crtc->base; + /* initialize shared scalers */ + skl_init_scalers(dev, pipe, crtc_state); + primary = intel_primary_plane_create(dev, pipe); if (!primary) goto fail;