From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 4847F1093181 for ; Fri, 20 Mar 2026 07:34:25 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id EB06B10E960; Fri, 20 Mar 2026 07:34:24 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (1024-bit key; unprotected) header.d=mediatek.com header.i=@mediatek.com header.b="Rt4oIxzn"; dkim-atps=neutral Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8A6D510E960 for ; Fri, 20 Mar 2026 07:34:19 +0000 (UTC) X-UUID: 31bff3d4242f11f1a39cd589f645bc18-20260320 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:Content-Transfer-Encoding:MIME-Version:Message-ID:Date:Subject:CC:To:From; bh=yaiAp9AcQ5OxfgDSJFn22pkjbxlXjTCUOw0NecCMTYg=; b=Rt4oIxznUNeviZvSVXbtVA3qrSkV6kmm48oGv97hdSc6vNbCv4RxJsRgIkSTvubPBSM0T43VUPZdjNdAEmBRBijoOY0bmwOoujTYpQIQVGDmZaqFOmcM8+7zx9HelXCresW/SFuOvdotogD/lHV2IZebN/MD+0twX5DuwrJNY3U=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.3.12, REQID:39a8e7db-57dd-49e3-805d-d8f9d0f1402f, IP:0, U RL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION: release,TS:0 X-CID-META: VersionHash:e7bac3a, CLOUDID:93e1f0d4-060f-4ecc-9ee0-121eeeb4a682, B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102|836|888|898,TC:-5,Content:0|15|5 0,EDM:-3,IP:nil,URL:0,File:130,RT:0,Bulk:nil,QS:nil,BEC:-1,COL:0,OSI:0,OSA :0,AV:0,LES:1,SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0,ARC:0 X-CID-BVR: 2,SSN|SDN X-CID-BAS: 2,SSN|SDN,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-CID-RHF: D41D8CD98F00B204E9800998ECF8427E X-UUID: 31bff3d4242f11f1a39cd589f645bc18-20260320 Received: from mtkmbs11n2.mediatek.inc [(172.21.101.187)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1157863793; Fri, 20 Mar 2026 15:34:14 +0800 Received: from mtkmbs11n1.mediatek.inc (172.21.101.185) by mtkmbs10n2.mediatek.inc (172.21.101.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.29; Fri, 20 Mar 2026 15:34:12 +0800 Received: from mhfsdcap04.gcn.mediatek.inc (10.17.3.154) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.2562.29 via Frontend Transport; Fri, 20 Mar 2026 15:34:12 +0800 From: Jay Liu To: CC: Jason-JH Lin , Paul-PL Chen , Nancy Lin , Singo Chang , Gil Dekel , Yacoub , , Jay Liu Subject: [PATCH i-g-t v1] tests/kms_color: Add 10-bit color depth support to gamma test for MediaTek Date: Fri, 20 Mar 2026 15:33:58 +0800 Message-ID: <20260320073409.17337-1-jay.liu@mediatek.com> X-Mailer: git-send-email 2.46.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-BeenThere: igt-dev@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Development mailing list for IGT GPU Tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: igt-dev-bounces@lists.freedesktop.org Sender: "igt-dev" 1.Add 10-bit color depth flow to gamma test for MediaTek devices, which only support bit-true results with 10-bit data. The test now selects 8-bit or 10-bit color depth and framebuffer format based on device type. 2. Change the maximum gamma LUT value from 4095 to 4092 for MediaTek devices. Signed-off-by: Jay Liu --- tests/kms_color.c | 28 +++++++++++++++++++++------- 1 file changed, 21 insertions(+), 7 deletions(-) diff --git a/tests/kms_color.c b/tests/kms_color.c index 565edb2dc..27fc08ab9 100644 --- a/tests/kms_color.c +++ b/tests/kms_color.c @@ -288,7 +288,7 @@ static bool test_pipe_legacy_gamma(data_t *data, fb_id = igt_create_fb(data->drm_fd, mode->hdisplay, mode->vdisplay, - DRM_FORMAT_XRGB8888, + data->drm_format, DRM_FORMAT_MOD_LINEAR, &fb); igt_assert(fb_id); @@ -296,7 +296,7 @@ static bool test_pipe_legacy_gamma(data_t *data, fb_modeset_id = igt_create_fb(data->drm_fd, mode->hdisplay, mode->vdisplay, - DRM_FORMAT_XRGB8888, + data->drm_format, DRM_FORMAT_MOD_LINEAR, &fb_modeset); igt_assert(fb_modeset_id); @@ -322,8 +322,16 @@ static bool test_pipe_legacy_gamma(data_t *data, igt_plane_set_fb(primary, &fb); red_lut[0] = green_lut[0] = blue_lut[0] = 0; - for (i = 1; i < legacy_lut_size; i++) - red_lut[i] = green_lut[i] = blue_lut[i] = 0xffff; + for (i = 1; i < legacy_lut_size; i++) { + /* + * Use 4092 for mtk gamma LUT to remap all values + * to max red/green/blue. + */ + if (is_mtk_device(data->drm_fd)) + red_lut[i] = green_lut[i] = blue_lut[i] = 0xffd0; + else + red_lut[i] = green_lut[i] = blue_lut[i] = 0xffff; + } igt_assert_eq(drmModeCrtcSetGamma(data->drm_fd, primary->crtc->crtc_id, legacy_lut_size, red_lut, green_lut, blue_lut), 0); igt_display_commit(&data->display); @@ -752,14 +760,20 @@ static void run_gamma_degamma_tests_for_crtc(data_t *data, igt_crtc_t *crtc, bool (*test_t)(data_t*, igt_plane_t*)) { + bool depth_10bit = false; + test_setup(data, crtc); + /* MediaTek can only support bit-ture in 10-bit depth pre color */ + if (is_mtk_device(data->drm_fd)) + depth_10bit = true; + /* - * We assume an 8bits depth per color for degamma/gamma LUTs + * We assume an 8bits or 10bits depth per color for degamma/gamma LUTs * for CRC checks with framebuffer references. */ - data->color_depth = 8; - data->drm_format = DRM_FORMAT_XRGB8888; + data->color_depth = depth_10bit ? 10 : 8; + data->drm_format = depth_10bit ? DRM_FORMAT_XRGB2101010 : DRM_FORMAT_XRGB8888; data->mode = igt_output_get_mode(data->output); igt_require(crtc_output_combo_valid(data, crtc)); -- 2.46.0