From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3030E10E2E0 for ; Tue, 27 Jun 2023 12:21:17 +0000 (UTC) From: Swati Sharma To: igt-dev@lists.freedesktop.org Date: Tue, 27 Jun 2023 17:50:30 +0530 Message-Id: <20230627122030.675526-10-swati2.sharma@intel.com> In-Reply-To: <20230627122030.675526-1-swati2.sharma@intel.com> References: <20230627122030.675526-1-swati2.sharma@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [igt-dev] [PATCH i-g-t 9/9] tests/i915/kms_dsc: add test summary List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: igt-dev-bounces@lists.freedesktop.org Sender: "igt-dev" List-ID: Add test summary giving overall summary of subtests. Signed-off-by: Swati Sharma --- tests/i915/kms_dsc.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/tests/i915/kms_dsc.c b/tests/i915/kms_dsc.c index 7ffa193ed..c3d789077 100644 --- a/tests/i915/kms_dsc.c +++ b/tests/i915/kms_dsc.c @@ -36,6 +36,27 @@ IGT_TEST_DESCRIPTION("Test to validate display stream compression"); #define DEFAULT_BPC 0 +/* + * Starting from gen11+, i915 driver supports DSC1.1. For validating + * DSC, the first step is to verify if the sink supports DSC. + * If the sink does support DSC, we will validate the following + * scenarios: + * (i) basic modeset (ii) input bpc (iii) pixel formats + * (iv) output formats (v) fractional bpp + * In the basic subtest, we perform modeset with default parameters. + * Input bpc and pixel formats subtests, we perform modeset + * with different input bpc (12/10/8) and pixel formats (YUV/RGB), + * respectively. With the support of DSC1.2 from MTL, we can + * verify fractional bpp and DSC YCBCR420 output format. The tests + * are executed with the RGB444 output format by default. However, + * in the output-format subtest, we verify output formats + * (RGB/YCBCR444/YCBCR420). Fractional bpp is tested with default + * parameter. In this, driver will ignore integer compressed bpp + * value and will do modeset with fractional bpp only. Also, + * tests are added to validate output format and fractional bpp + * with different input bpc. + */ + enum { TEST_DSC_BASIC = 1 << 0, TEST_DSC_BPC = 1 << 1, -- 2.25.1