From patchwork Tue Nov 1 03:36:33 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Nilawar, Badal" X-Patchwork-Id: 13026635 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 614F8FA373D for ; Tue, 1 Nov 2022 03:34:00 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id D97C210E08D; Tue, 1 Nov 2022 03:33:42 +0000 (UTC) Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by gabe.freedesktop.org (Postfix) with ESMTPS id 07EB610E0BE; Tue, 1 Nov 2022 03:33:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1667273616; x=1698809616; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=4eNNKzy/Ss5wz2AxL4v8sotsbZyjF5GyOQ8pPtkN+Lo=; b=Pxzg7fuapZsrOTdU4cEFC1h6I69inXnJb+air8qJomHMVcAFXFmR0D13 sUZPPm7+1IBONLGM7qU5Pr+/CU3GMAHjiEsZ8tVu/pNYNsucX+po0oVf8 Wg2YoVB+/nP+pA1GNcHOgUIhqOO8ydih4EG80XsHYitk8zn15/GdYgvAL 9U0WwLEq/vl8Ap03S2m3bjq/QVZlXTSoQCokxgcaJ2T1Z7GzXUukxpFTT zIEbb1fb5RKFBohkd6AVAuvdrXJdr7lY9p5IECPNRr5KuJJins2xz/SOe GH7XKqEMx4MJ1u9ZMzA6grorBRiKnjZAt6ZQ3hnAMcpf4FdOLXA6CqFn4 Q==; X-IronPort-AV: E=McAfee;i="6500,9779,10517"; a="307782719" X-IronPort-AV: E=Sophos;i="5.95,229,1661842800"; d="scan'208";a="307782719" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Oct 2022 20:33:35 -0700 X-IronPort-AV: E=McAfee;i="6500,9779,10517"; a="739193628" X-IronPort-AV: E=Sophos;i="5.95,229,1661842800"; d="scan'208";a="739193628" Received: from bnilawar-desk1.iind.intel.com ([10.145.169.158]) by fmsmga002-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Oct 2022 20:33:32 -0700 From: Badal Nilawar To: intel-gfx@lists.freedesktop.org Subject: [PATCH 1/2] drm/i915/mtl: add initial definitions for GSC CS Date: Tue, 1 Nov 2022 09:06:33 +0530 Message-Id: <20221101033634.1900331-2-badal.nilawar@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221101033634.1900331-1-badal.nilawar@intel.com> References: <20221101033634.1900331-1-badal.nilawar@intel.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: radhakrishna.sripada@intel.com, anshuman.gupta@intel.com, dri-devel@lists.freedesktop.org, ashutosh.dixit@intel.com, jon.ewins@intel.com, daniele.ceraolospurio@intel.com, rodrigo.vivi@intel.com, vinay.belgaumkar@intel.com Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Daniele Ceraolo Spurio Starting on MTL, the GSC is no longer managed with direct MMIO access, but we instead have a dedicated command streamer for it. As a first step for adding support for this CS, add the required definitions. Note that, although it is now a CS, the GSC retains its old class:instance value (OTHER_CLASS instance 6) Signed-off-by: Daniele Ceraolo Spurio Cc: Matt Roper Reviewed-by: Matt Roper --- drivers/gpu/drm/i915/gt/intel_engine_cs.c | 8 ++++++++ drivers/gpu/drm/i915/gt/intel_engine_types.h | 1 + drivers/gpu/drm/i915/gt/intel_engine_user.c | 1 + drivers/gpu/drm/i915/i915_reg.h | 1 + 4 files changed, 11 insertions(+) diff --git a/drivers/gpu/drm/i915/gt/intel_engine_cs.c b/drivers/gpu/drm/i915/gt/intel_engine_cs.c index 3b7d750ad054..e0fbfac03979 100644 --- a/drivers/gpu/drm/i915/gt/intel_engine_cs.c +++ b/drivers/gpu/drm/i915/gt/intel_engine_cs.c @@ -244,6 +244,13 @@ static const struct engine_info intel_engines[] = { { .graphics_ver = 12, .base = GEN12_COMPUTE3_RING_BASE } } }, + [GSC0] = { + .class = OTHER_CLASS, + .instance = OTHER_GSC_INSTANCE, + .mmio_bases = { + { .graphics_ver = 12, .base = MTL_GSC_RING_BASE } + } + }, }; /** @@ -324,6 +331,7 @@ u32 intel_engine_context_size(struct intel_gt *gt, u8 class) case VIDEO_DECODE_CLASS: case VIDEO_ENHANCEMENT_CLASS: case COPY_ENGINE_CLASS: + case OTHER_CLASS: if (GRAPHICS_VER(gt->i915) < 8) return 0; return GEN8_LR_CONTEXT_OTHER_SIZE; diff --git a/drivers/gpu/drm/i915/gt/intel_engine_types.h b/drivers/gpu/drm/i915/gt/intel_engine_types.h index 6b5d4ea22b67..4fd54fb8810f 100644 --- a/drivers/gpu/drm/i915/gt/intel_engine_types.h +++ b/drivers/gpu/drm/i915/gt/intel_engine_types.h @@ -136,6 +136,7 @@ enum intel_engine_id { CCS2, CCS3, #define _CCS(n) (CCS0 + (n)) + GSC0, I915_NUM_ENGINES #define INVALID_ENGINE ((enum intel_engine_id)-1) }; diff --git a/drivers/gpu/drm/i915/gt/intel_engine_user.c b/drivers/gpu/drm/i915/gt/intel_engine_user.c index 46a174f8aa00..79312b734690 100644 --- a/drivers/gpu/drm/i915/gt/intel_engine_user.c +++ b/drivers/gpu/drm/i915/gt/intel_engine_user.c @@ -140,6 +140,7 @@ const char *intel_engine_class_repr(u8 class) [COPY_ENGINE_CLASS] = "bcs", [VIDEO_DECODE_CLASS] = "vcs", [VIDEO_ENHANCEMENT_CLASS] = "vecs", + [OTHER_CLASS] = "other", [COMPUTE_CLASS] = "ccs", }; diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 1c0da50c0dc7..d056c3117ef2 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -970,6 +970,7 @@ #define GEN11_VEBOX2_RING_BASE 0x1d8000 #define XEHP_VEBOX3_RING_BASE 0x1e8000 #define XEHP_VEBOX4_RING_BASE 0x1f8000 +#define MTL_GSC_RING_BASE 0x11a000 #define GEN12_COMPUTE0_RING_BASE 0x1a000 #define GEN12_COMPUTE1_RING_BASE 0x1c000 #define GEN12_COMPUTE2_RING_BASE 0x1e000