From patchwork Thu May 9 16:27:19 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Shankar, Uma" X-Patchwork-Id: 10937309 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 3C0E2933 for ; Thu, 9 May 2019 16:00:28 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2C05C28AD9 for ; Thu, 9 May 2019 16:00:28 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 1F0FC28B50; Thu, 9 May 2019 16:00:28 +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 C0AA128AD9 for ; Thu, 9 May 2019 16:00:26 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id CD37689C84; Thu, 9 May 2019 16:00:25 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTPS id 4529E89C84 for ; Thu, 9 May 2019 16:00:25 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 09 May 2019 09:00:23 -0700 X-ExtLoop1: 1 Received: from linuxpresi1-desktop.iind.intel.com ([10.223.74.121]) by orsmga008.jf.intel.com with ESMTP; 09 May 2019 09:00:21 -0700 From: Uma Shankar To: intel-gfx@lists.freedesktop.org Date: Thu, 9 May 2019 21:57:19 +0530 Message-Id: <1557419239-15289-1-git-send-email-uma.shankar@intel.com> X-Mailer: git-send-email 1.9.1 Subject: [Intel-gfx] [v3] drm/i915/icl: Handle YCbCr to RGB conversion for BT2020 case 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: , Cc: ville.syrjala@intel.com, maarten.lankhorst@intel.com MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP Currently input csc for YCbCR to RGB conversion handles only BT601 and Bt709. Extending it to support BT2020 as well. v2: Fixed the co-efficients for LR to FR conversion, as suggested by Ville. v3: Fixed Y Pre-offset in case of Full Range YCbCr as suggested by Ville. Signed-off-by: Uma Shankar Signed-off-by: Shashank Sharma Reviewed-by: Ville Syrjälä --- drivers/gpu/drm/i915/intel_sprite.c | 31 +++++++++++++++++++++++++++++-- 1 file changed, 29 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c index 2913e89..c9c970f 100644 --- a/drivers/gpu/drm/i915/intel_sprite.c +++ b/drivers/gpu/drm/i915/intel_sprite.c @@ -433,6 +433,18 @@ int intel_plane_check_src_coordinates(struct intel_plane_state *plane_state) 0x9EF8, 0x7800, 0xABF8, 0x0, 0x7800, 0x7ED8, }, + /* + * BT.2020 full range YCbCr -> full range RGB + * The matrix required is : + * [1.000, 0.000, 1.474, + * 1.000, -0.1645, -0.5713, + * 1.000, 1.8814, 0.0000] + */ + [DRM_COLOR_YCBCR_BT2020] = { + 0x7BC8, 0x7800, 0x0, + 0x8928, 0x7800, 0xAA88, + 0x0, 0x7800, 0x7F10, + }, }; /* Matrix for Limited Range to Full Range Conversion */ @@ -461,6 +473,18 @@ int intel_plane_check_src_coordinates(struct intel_plane_state *plane_state) 0x8888, 0x7918, 0xADA8, 0x0, 0x7918, 0x6870, }, + /* + * BT.2020 Limited range YCbCr -> full range RGB + * The matrix required is : + * [1.164, 0.000, 1.678, + * 1.164, -0.1873, -0.6504, + * 1.164, 2.1417, 0.0000] + */ + [DRM_COLOR_YCBCR_BT2020] = { + 0x7D70, 0x7950, 0x0, + 0x8A68, 0x7950, 0xAC00, + 0x0, 0x7950, 0x6890, + }, }; const u16 *csc; @@ -481,8 +505,11 @@ int intel_plane_check_src_coordinates(struct intel_plane_state *plane_state) I915_WRITE_FW(PLANE_INPUT_CSC_PREOFF(pipe, plane_id, 0), PREOFF_YUV_TO_RGB_HI); - I915_WRITE_FW(PLANE_INPUT_CSC_PREOFF(pipe, plane_id, 1), - PREOFF_YUV_TO_RGB_ME); + if (plane_state->base.color_range == DRM_COLOR_YCBCR_FULL_RANGE) + I915_WRITE_FW(PLANE_INPUT_CSC_PREOFF(pipe, plane_id, 1), 0); + else + I915_WRITE_FW(PLANE_INPUT_CSC_PREOFF(pipe, plane_id, 1), + PREOFF_YUV_TO_RGB_ME); I915_WRITE_FW(PLANE_INPUT_CSC_PREOFF(pipe, plane_id, 2), PREOFF_YUV_TO_RGB_LO); I915_WRITE_FW(PLANE_INPUT_CSC_POSTOFF(pipe, plane_id, 0), 0x0);