From patchwork Thu Jul 20 16:44:52 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andi Shyti X-Patchwork-Id: 13320894 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 86D15C0015E for ; Thu, 20 Jul 2023 16:45:53 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 0770410E5EB; Thu, 20 Jul 2023 16:45:53 +0000 (UTC) Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by gabe.freedesktop.org (Postfix) with ESMTPS id 255FC10E5F2; Thu, 20 Jul 2023 16:45:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1689871551; x=1721407551; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=38AwnkN0YumeQq7fsgxzoNRm6OrTqRhepcQQhd9/NFA=; b=Hst3GwyYAbtGqCjiikcv/eKIuiyW6PmrO8mp+u/PRohroAItBm0CEBtZ VJzJTvrK3gg8qQlo2p1cHRIz4SFF2E2HwwmW2anIdJ83OSfSY74rBP9J4 ws8PjdfLZyvfLmjdB1+3muGeyXNy5MI1YCkGx+KTbPABd1oV2N6iMG3C6 359S1G9XSR75iG+HcwlbHwbxLV34I91qpDQIFaLBbJ6SL2h5BMP0MMh6N uFmztL/1gYi1xSaYMRBLBdu8Q6cA9oYwyBc1gAtc7Z7RnFYlCr/KNRCqq 6XEAmFQT0V3ubcqbGM1iKWMBqNLS60Jkme60RiltjcEvYzhMGR50okhNq A==; X-IronPort-AV: E=McAfee;i="6600,9927,10777"; a="347104992" X-IronPort-AV: E=Sophos;i="6.01,219,1684825200"; d="scan'208";a="347104992" Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Jul 2023 09:45:50 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10777"; a="674747896" X-IronPort-AV: E=Sophos;i="6.01,219,1684825200"; d="scan'208";a="674747896" Received: from sdene1-mobl1.ger.corp.intel.com (HELO intel.com) ([10.252.32.238]) by orsmga003-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Jul 2023 09:45:47 -0700 From: Andi Shyti To: Jonathan Cavitt , Matt Roper , Chris Wilson , Mika Kuoppala , Nirmoy Das , Andrzej Hajda Date: Thu, 20 Jul 2023 18:44:52 +0200 Message-Id: <20230720164454.757075-8-andi.shyti@linux.intel.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230720164454.757075-1-andi.shyti@linux.intel.com> References: <20230720164454.757075-1-andi.shyti@linux.intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v6 7/9] drm/i915/gt: Enable the CCS_FLUSH bit in the pipe control X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: intel-gfx , linux-stable , dri-evel Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Enable the CCS_FLUSH bit 13 in the control pipe for render and compute engines in platforms starting from Meteor Lake (BSPEC 43904 and 47112). The VE and BCS engines need to add the flush part in their command streamer. Fixes: 972282c4cf24 ("drm/i915/gen12: Add aux table invalidate for all engines") Signed-off-by: Andi Shyti Cc: Jonathan Cavitt Cc: Nirmoy Das Cc: # v5.8+ --- drivers/gpu/drm/i915/gt/gen8_engine_cs.c | 31 ++++++++++++++++++++ drivers/gpu/drm/i915/gt/intel_gpu_commands.h | 1 + 2 files changed, 32 insertions(+) diff --git a/drivers/gpu/drm/i915/gt/gen8_engine_cs.c b/drivers/gpu/drm/i915/gt/gen8_engine_cs.c index 3bedab8d61db1..78bbd55262a2d 100644 --- a/drivers/gpu/drm/i915/gt/gen8_engine_cs.c +++ b/drivers/gpu/drm/i915/gt/gen8_engine_cs.c @@ -225,6 +225,13 @@ int gen12_emit_flush_rcs(struct i915_request *rq, u32 mode) bit_group_0 |= PIPE_CONTROL0_HDC_PIPELINE_FLUSH; + /* + * When required, in MTL+ platforms we need to + * set the CCS_FLUSH bit in the pipe control + */ + if (GRAPHICS_VER_FULL(rq->i915) >= IP_VER(12, 70)) + bit_group_0 |= PIPE_CONTROL_CCS_FLUSH; + bit_group_1 |= PIPE_CONTROL_TILE_CACHE_FLUSH; bit_group_1 |= PIPE_CONTROL_FLUSH_L3; bit_group_1 |= PIPE_CONTROL_RENDER_TARGET_CACHE_FLUSH; @@ -309,6 +316,7 @@ int gen12_emit_flush_rcs(struct i915_request *rq, u32 mode) int gen12_emit_flush_xcs(struct i915_request *rq, u32 mode) { intel_engine_mask_t aux_inv = 0; + u32 cmd_flush = 0; u32 cmd = 4; u32 *cs; @@ -339,6 +347,13 @@ int gen12_emit_flush_xcs(struct i915_request *rq, u32 mode) bit_group_1 |= PIPE_CONTROL_FLUSH_L3; bit_group_1 |= PIPE_CONTROL_CS_STALL; + /* + * When required, in MTL+ platforms we need to + * set the CCS_FLUSH bit in the pipe control + */ + if (GRAPHICS_VER_FULL(rq->i915) >= IP_VER(12, 70)) + bit_group_0 |= PIPE_CONTROL_CCS_FLUSH; + intel_emit_pipe_control_cs(rq, bit_group_0, bit_group_1, LRC_PPHWSP_SCRATCH_ADDR); @@ -346,7 +361,18 @@ int gen12_emit_flush_xcs(struct i915_request *rq, u32 mode) case VIDEO_ENHANCEMENT_CLASS: case COMPUTE_CLASS: + cmd += 2; + cmd_flush = MI_FLUSH_DW; + + break; + case COPY_ENGINE_CLASS: + cmd += 2; + /* + * When required, in MTL+ platforms we need to + * set the CCS_FLUSH bit in the pipe control + */ + cmd_flush = MI_FLUSH_DW | MI_FLUSH_DW_CCS; break; } } @@ -355,6 +381,11 @@ int gen12_emit_flush_xcs(struct i915_request *rq, u32 mode) if (IS_ERR(cs)) return PTR_ERR(cs); + if (cmd_flush) { + *cs++ = cmd_flush; + *cs++ = 0; + } + if (mode & EMIT_INVALIDATE) *cs++ = preparser_disable(true); diff --git a/drivers/gpu/drm/i915/gt/intel_gpu_commands.h b/drivers/gpu/drm/i915/gt/intel_gpu_commands.h index 5d143e2a8db03..5df7cce23197c 100644 --- a/drivers/gpu/drm/i915/gt/intel_gpu_commands.h +++ b/drivers/gpu/drm/i915/gt/intel_gpu_commands.h @@ -299,6 +299,7 @@ #define PIPE_CONTROL_QW_WRITE (1<<14) #define PIPE_CONTROL_POST_SYNC_OP_MASK (3<<14) #define PIPE_CONTROL_DEPTH_STALL (1<<13) +#define PIPE_CONTROL_CCS_FLUSH (1<<13) /* MTL+ */ #define PIPE_CONTROL_WRITE_FLUSH (1<<12) #define PIPE_CONTROL_RENDER_TARGET_CACHE_FLUSH (1<<12) /* gen6+ */ #define PIPE_CONTROL_INSTRUCTION_CACHE_INVALIDATE (1<<11) /* MBZ on ILK */