From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mgamail.intel.com (unknown [134.134.136.31]) by gabe.freedesktop.org (Postfix) with ESMTPS id 23D2410E5D8 for ; Thu, 27 Jul 2023 16:54:17 +0000 (UTC) From: Swati Sharma To: igt-dev@lists.freedesktop.org Date: Thu, 27 Jul 2023 22:24:00 +0530 Message-Id: <20230727165401.926688-10-swati2.sharma@intel.com> In-Reply-To: <20230727165401.926688-1-swati2.sharma@intel.com> References: <20230727165401.926688-1-swati2.sharma@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [igt-dev] [v3 09/10] 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. v2: -drop DSC1.2 reference (Ankit) Signed-off-by: Swati Sharma Reviewed-by: Ankit Nautiyal --- tests/i915/kms_dsc.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/tests/i915/kms_dsc.c b/tests/i915/kms_dsc.c index 81b5a59cc..121d47c1b 100644 --- a/tests/i915/kms_dsc.c +++ b/tests/i915/kms_dsc.c @@ -43,6 +43,26 @@ IGT_TEST_DESCRIPTION("Test to validate display stream compression"); #define TEST_DSC_OUTPUT_FORMAT (1<<2) #define TEST_DSC_FRACTIONAL_BPP (1<<3) +/* + * Starting from gen11, intel 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. In all the scenarios, we are forcing dsc. + * (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. 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. + */ + typedef struct { int drm_fd; uint32_t devid; -- 2.25.1