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Fri, 9 Jan 2026 19:37:16 +0000 Received: from SA1PR11MB8280.namprd11.prod.outlook.com ([fe80::cdde:8d34:980c:776e]) by SA1PR11MB8280.namprd11.prod.outlook.com ([fe80::cdde:8d34:980c:776e%5]) with mapi id 15.20.9499.003; Fri, 9 Jan 2026 19:37:16 +0000 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable In-Reply-To: <20260109164250.237044-2-balasubramani.vivekanandan@intel.com> References: <20260109164250.237044-2-balasubramani.vivekanandan@intel.com> Subject: Re: [PATCH] drm/xe/xe2hpg: Performance tuning changes From: Gustavo Sousa CC: Balasubramani Vivekanandan To: Balasubramani Vivekanandan , Date: Fri, 9 Jan 2026 16:37:11 -0300 Message-ID: <176798743165.16319.15130481848588509084@intel.com> User-Agent: alot/0.12.dev22+g972188619 X-ClientProxiedBy: BY1P220CA0009.NAMP220.PROD.OUTLOOK.COM (2603:10b6:a03:59d::7) To SA1PR11MB8280.namprd11.prod.outlook.com (2603:10b6:806:25d::21) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SA1PR11MB8280:EE_|PH0PR11MB7448:EE_ X-MS-Office365-Filtering-Correlation-Id: f18a03b5-decd-4a39-d415-08de4fb67ea8 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|376014|366016; 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A bit unrelated to this patch, but I find it weird that CACHE_MODE_1 is not defined as multicast. The current users of CACHE_MODE_1 are DG2 and MTL and that register is multicast for both (Bspec 66534 and 67788). We probably need a separate patch to fix this. Anyway, Reviewed-by: Gustavo Sousa > #define MSAA_OPTIMIZATION_REDUC_DISABLE REG_BIT(11) >=20 >diff --git a/drivers/gpu/drm/xe/xe_tuning.c b/drivers/gpu/drm/xe/xe_tuning= .c >index 5766fa7742d3..122829c8d14e 100644 >--- a/drivers/gpu/drm/xe/xe_tuning.c >+++ b/drivers/gpu/drm/xe/xe_tuning.c >@@ -144,6 +144,11 @@ static const struct xe_rtp_entry_sr lrc_tunings[] =3D= { > XE_RTP_ACTIONS(FIELD_SET(FF_MODE, VS_HIT_MAX_VALUE_MASK, > REG_FIELD_PREP(VS_HIT_MAX_VALUE_MASK, = 0x3f))) > }, >+ >+ { XE_RTP_NAME("Tuning: MSAA fast clear"), >+ XE_RTP_RULES(GRAPHICS_VERSION(2002), ENGINE_CLASS(RENDER)), >+ XE_RTP_ACTIONS(SET(CACHE_MODE_0, MSAA_FAST_CLEAR_ENABLED)) >+ }, > }; >=20 > /** >--=20 >2.43.0 >