From patchwork Wed Feb 5 15:41:27 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gwan-gyeong Mun X-Patchwork-Id: 11366521 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 32CF2112B for ; Wed, 5 Feb 2020 15:41:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1C1CC20730 for ; Wed, 5 Feb 2020 15:41:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727178AbgBEPlv (ORCPT ); Wed, 5 Feb 2020 10:41:51 -0500 Received: from mga01.intel.com ([192.55.52.88]:54055 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727170AbgBEPlv (ORCPT ); Wed, 5 Feb 2020 10:41:51 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 05 Feb 2020 07:41:51 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.70,406,1574150400"; d="scan'208";a="224950178" Received: from helsinki.fi.intel.com ([10.237.66.164]) by fmsmga007.fm.intel.com with ESMTP; 05 Feb 2020 07:41:50 -0800 From: Gwan-gyeong Mun To: intel-gfx@lists.freedesktop.org Cc: dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org Subject: [PATCH v4 07/17] drm: Add logging function for DP VSC SDP Date: Wed, 5 Feb 2020 17:41:27 +0200 Message-Id: <20200205154137.1202389-8-gwan-gyeong.mun@intel.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200205154137.1202389-1-gwan-gyeong.mun@intel.com> References: <20200205154137.1202389-1-gwan-gyeong.mun@intel.com> MIME-Version: 1.0 Sender: linux-fbdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org When receiving video it is very useful to be able to log DP VSC SDP. This greatly simplifies debugging. v2: Minor style fix v3: Move logging functions to drm core [Jani N] Signed-off-by: Gwan-gyeong Mun --- drivers/gpu/drm/drm_dp_helper.c | 174 ++++++++++++++++++++++++++++++++ include/drm/drm_dp_helper.h | 3 + 2 files changed, 177 insertions(+) diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm/drm_dp_helper.c index 5a103e9b3c86..5e3aef8c32e0 100644 --- a/drivers/gpu/drm/drm_dp_helper.c +++ b/drivers/gpu/drm/drm_dp_helper.c @@ -1395,3 +1395,177 @@ int drm_dp_dsc_sink_supported_input_bpcs(const u8 dsc_dpcd[DP_DSC_RECEIVER_CAP_S return num_bpc; } EXPORT_SYMBOL(drm_dp_dsc_sink_supported_input_bpcs); + +static const char *dp_colorspace_get_name(enum dp_colorspace colorspace) +{ + if (colorspace < 0 || colorspace > DP_COLORSPACE_RESERVED) + return "Invalid"; + + switch (colorspace) { + case DP_COLORSPACE_RGB: + return "RGB"; + case DP_COLORSPACE_YUV444: + return "YUV444"; + case DP_COLORSPACE_YUV422: + return "YUV422"; + case DP_COLORSPACE_YUV420: + return "YUV420"; + case DP_COLORSPACE_Y_ONLY: + return "Y_ONLY"; + case DP_COLORSPACE_RAW: + return "RAW"; + default: + return "Reserved"; + } +} + +static const char *dp_colorimetry_get_name(enum dp_colorspace colorspace, + enum dp_colorimetry colorimetry) +{ + if (colorspace < 0 || colorspace > DP_COLORSPACE_RESERVED) + return "Invalid"; + + switch (colorimetry) { + case DP_COLORIMETRY_DEFAULT: + switch (colorspace) { + case DP_COLORSPACE_RGB: + return "sRGB"; + case DP_COLORSPACE_YUV444: + case DP_COLORSPACE_YUV422: + case DP_COLORSPACE_YUV420: + return "BT.601"; + case DP_COLORSPACE_Y_ONLY: + return "DICOM PS3.14"; + case DP_COLORSPACE_RAW: + return "Custom Color Profile"; + default: + return "Reserved"; + } + case DP_COLORIMETRY_RGB_WIDE_FIXED: /* and DP_COLORIMETRY_BT709_YCC */ + switch (colorspace) { + case DP_COLORSPACE_RGB: + return "Wide Fixed"; + case DP_COLORSPACE_YUV444: + case DP_COLORSPACE_YUV422: + case DP_COLORSPACE_YUV420: + return "BT.709"; + default: + return "Reserved"; + } + case DP_COLORIMETRY_RGB_WIDE_FLOAT: /* and DP_COLORIMETRY_XVYCC_601 */ + switch (colorspace) { + case DP_COLORSPACE_RGB: + return "Wide Float"; + case DP_COLORSPACE_YUV444: + case DP_COLORSPACE_YUV422: + case DP_COLORSPACE_YUV420: + return "xvYCC 601"; + default: + return "Reserved"; + } + case DP_COLORIMETRY_OPRGB: /* and DP_COLORIMETRY_XVYCC_709 */ + switch (colorspace) { + case DP_COLORSPACE_RGB: + return "OpRGB"; + case DP_COLORSPACE_YUV444: + case DP_COLORSPACE_YUV422: + case DP_COLORSPACE_YUV420: + return "xvYCC 709"; + default: + return "Reserved"; + } + case DP_COLORIMETRY_DCI_P3_RGB: /* and DP_COLORIMETRY_SYCC_601 */ + switch (colorspace) { + case DP_COLORSPACE_RGB: + return "DCI-P3"; + case DP_COLORSPACE_YUV444: + case DP_COLORSPACE_YUV422: + case DP_COLORSPACE_YUV420: + return "sYCC 601"; + default: + return "Reserved"; + } + case DP_COLORIMETRY_RGB_CUSTOM: /* and DP_COLORIMETRY_OPYCC_601 */ + switch (colorspace) { + case DP_COLORSPACE_RGB: + return "Custom Profile"; + case DP_COLORSPACE_YUV444: + case DP_COLORSPACE_YUV422: + case DP_COLORSPACE_YUV420: + return "OpYCC 601"; + default: + return "Reserved"; + } + case DP_COLORIMETRY_BT2020_RGB: /* and DP_COLORIMETRY_BT2020_CYCC */ + switch (colorspace) { + case DP_COLORSPACE_RGB: + return "BT.2020 RGB"; + case DP_COLORSPACE_YUV444: + case DP_COLORSPACE_YUV422: + case DP_COLORSPACE_YUV420: + return "BT.2020 CYCC"; + default: + return "Reserved"; + } + case DP_COLORIMETRY_BT2020_YCC: + switch (colorspace) { + case DP_COLORSPACE_YUV444: + case DP_COLORSPACE_YUV422: + case DP_COLORSPACE_YUV420: + return "BT.2020 YCC"; + default: + return "Reserved"; + } + default: + return "Invalid"; + } +} + +static const char *dp_dynamic_range_get_name(enum dp_dynamic_range dynamic_range) +{ + switch (dynamic_range) { + case DP_DYNAMIC_RANGE_VESA: + return "VESA range"; + case DP_DYNAMIC_RANGE_CTA: + return "CTA range"; + default: + return "Invalid"; + } +} + +static const char *dp_content_type_get_name(enum dp_content_type content_type) +{ + switch (content_type) { + case DP_CONTENT_TYPE_NOT_DEFINED: + return "Not defined"; + case DP_CONTENT_TYPE_GRAPHICS: + return "Graphics"; + case DP_CONTENT_TYPE_PHOTO: + return "Photo"; + case DP_CONTENT_TYPE_VIDEO: + return "Video"; + case DP_CONTENT_TYPE_GAME: + return "Game"; + default: + return "Reserved"; + } +} + +void drm_dp_vsc_sdp_log(const char *level, struct device *dev, + const struct drm_dp_vsc_sdp *vsc) +{ +#define DP_SDP_LOG(fmt, ...) dev_printk(level, dev, fmt, ##__VA_ARGS__) + DP_SDP_LOG("DP SDP: %s, revision %u, length %u\n", "VSC", + vsc->revision, vsc->length); + DP_SDP_LOG(" colorspace: %s\n", + dp_colorspace_get_name(vsc->colorspace)); + DP_SDP_LOG(" colorimetry: %s\n", + dp_colorimetry_get_name(vsc->colorspace, vsc->colorimetry)); + DP_SDP_LOG(" bpc: %u\n", vsc->bpc); + DP_SDP_LOG(" dynamic range: %s\n", + dp_dynamic_range_get_name(vsc->dynamic_range)); + DP_SDP_LOG(" content type: %s\n", + dp_content_type_get_name(vsc->content_type)); +#undef DP_SDP_LOG +} +EXPORT_SYMBOL(drm_dp_vsc_sdp_log); diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h index c098727681fa..00b775df6241 100644 --- a/include/drm/drm_dp_helper.h +++ b/include/drm/drm_dp_helper.h @@ -1266,6 +1266,9 @@ struct drm_dp_vsc_sdp { enum dp_content_type content_type; }; +void drm_dp_vsc_sdp_log(const char *level, struct device *dev, + const struct drm_dp_vsc_sdp *vsc); + int drm_dp_psr_setup_time(const u8 psr_cap[EDP_PSR_RECEIVER_CAP_SIZE]); static inline int