From patchwork Fri Jul 7 03:19:18 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Sharma, Shashank" X-Patchwork-Id: 9829501 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 50204602F0 for ; Fri, 7 Jul 2017 03:17:39 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4FFD328449 for ; Fri, 7 Jul 2017 03:17:39 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 44879285A4; Fri, 7 Jul 2017 03:17:39 +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=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=unavailable 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 0EAFE28449 for ; Fri, 7 Jul 2017 03:17:39 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 776556E734; Fri, 7 Jul 2017 03:16:28 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by gabe.freedesktop.org (Postfix) with ESMTPS id 4DE3B6E730; Fri, 7 Jul 2017 03:16:27 +0000 (UTC) Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 06 Jul 2017 20:16:27 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.40,320,1496127600"; d="scan'208";a="108331334" Received: from shashanks-linuxbox.iind.intel.com ([10.223.161.29]) by orsmga002.jf.intel.com with ESMTP; 06 Jul 2017 20:16:24 -0700 From: Shashank Sharma To: dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org Date: Fri, 7 Jul 2017 08:49:18 +0530 Message-Id: <1499397561-31797-13-git-send-email-shashank.sharma@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1499397561-31797-1-git-send-email-shashank.sharma@intel.com> References: <1499397561-31797-1-git-send-email-shashank.sharma@intel.com> Cc: Daniel Vetter Subject: [Intel-gfx] [PATCH 12/15] drm/i915: prepare pipe for YCBCR420 output 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-Virus-Scanned: ClamAV using ClamSMTP To get HDMI YCBCR420 output, the PIPEMISC register should be programmed to: - Generate YCBCR output (bit 11) - In case of YCBCR420 outputs, it should be programmed in full blend mode to use the scaler in 5x3 ratio (bits 26 and 27) This patch: - Adds definition of these bits. - Programs PIPEMISC for YCBCR420 outputs. V2: rebase V3: rebase V4: rebase V5: added r-b from Ander V6: Handle only YCBCR420 outputs (ville) Cc: Ville Syrjala Cc: Ander Conselvan de Oliveira Cc: Daniel Vetter Reviewed-by: Ander Conselvan de Oliveira Signed-off-by: Shashank Sharma --- drivers/gpu/drm/i915/i915_reg.h | 3 +++ drivers/gpu/drm/i915/intel_display.c | 7 +++++++ 2 files changed, 10 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 64cc674..5aea2a9 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -5227,6 +5227,9 @@ enum { #define _PIPE_MISC_A 0x70030 #define _PIPE_MISC_B 0x71030 +#define PIPEMISC_YCBCR420_ENABLE (1<<27) +#define PIPEMISC_YCBCR420_MODE_BLEND (1<<26) +#define PIPEMISC_OUTPUT_YCBCR (1<<11) #define PIPEMISC_DITHER_BPC_MASK (7<<5) #define PIPEMISC_DITHER_8_BPC (0<<5) #define PIPEMISC_DITHER_10_BPC (1<<5) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index c56081e..b4a6415 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -8081,6 +8081,7 @@ static void haswell_set_pipemisc(struct drm_crtc *crtc) { struct drm_i915_private *dev_priv = to_i915(crtc->dev); struct intel_crtc *intel_crtc = to_intel_crtc(crtc); + struct intel_crtc_state *config = intel_crtc->config; if (IS_BROADWELL(dev_priv) || INTEL_INFO(dev_priv)->gen >= 9) { u32 val = 0; @@ -8106,6 +8107,12 @@ static void haswell_set_pipemisc(struct drm_crtc *crtc) if (intel_crtc->config->dither) val |= PIPEMISC_DITHER_ENABLE | PIPEMISC_DITHER_TYPE_SP; + if (config->ycbcr420) { + val |= PIPEMISC_OUTPUT_YCBCR | + PIPEMISC_YCBCR420_ENABLE | + PIPEMISC_YCBCR420_MODE_BLEND; + } + I915_WRITE(PIPEMISC(intel_crtc->pipe), val); } }