From mboxrd@z Thu Jan 1 00:00:00 1970 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 0A441C4167B for ; Fri, 8 Dec 2023 06:43:50 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id D595310EA05; Fri, 8 Dec 2023 06:43:49 +0000 (UTC) Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.136]) by gabe.freedesktop.org (Postfix) with ESMTPS id BE75610E9D9 for ; Fri, 8 Dec 2023 06:43:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1702017816; x=1733553816; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=4u4ORApYE/5JOOj18CzdrNbQ5AzZHSVLEoQ0Nn+nRh4=; b=msoHDOlVS1PKC2mMDLTG0OZY0ivBRy5tWYVqQ6Voo2n2ouc9mrbiHEP9 YDabxULolVTaNEX67hrZFFhUGzaPi/q1YWYzIIZntIP/3jXiexJ68NMv6 NJxr+sJ2HL/Dh7Hkd13eusmjLbFyHuTWfx39B4QPTHNjZPDcHTDHH11Ii tBx5I/JZmEMK6RPTiz6s3+kJBbh+ZBId5UwS86NfMsm5txR+raz7jYArk 7gwiGZlCowJrd2MQPuhyOIdP5/Y0LHCOYOMvnJ8DieFyQbA5mqClRgw+u vrtsk2Ex7plpCJPAMDqyhKjtJpu0/E8Muf5MsyyDzKJqg0cxGfl/ngWYd g==; X-IronPort-AV: E=McAfee;i="6600,9927,10917"; a="373866614" X-IronPort-AV: E=Sophos;i="6.04,260,1695711600"; d="scan'208";a="373866614" Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Dec 2023 22:43:36 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10917"; a="775699260" X-IronPort-AV: E=Sophos;i="6.04,260,1695711600"; d="scan'208";a="775699260" Received: from orsosgc001.jf.intel.com (HELO unerlige-ril.jf.intel.com) ([10.165.21.138]) by fmsmga007-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Dec 2023 22:43:35 -0800 From: Ashutosh Dixit To: intel-xe@lists.freedesktop.org Subject: [PATCH 13/17] drm/xe/oa: Add OAC support Date: Thu, 7 Dec 2023 22:43:25 -0800 Message-ID: <20231208064329.2387604-14-ashutosh.dixit@intel.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20231208064329.2387604-1-ashutosh.dixit@intel.com> References: <20231208064329.2387604-1-ashutosh.dixit@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" Similar to OAR, allow userspace to execute MI_REPORT_PERF_COUNT on compute engines of a specified exec queue. Signed-off-by: Ashutosh Dixit --- drivers/gpu/drm/xe/regs/xe_engine_regs.h | 1 + drivers/gpu/drm/xe/regs/xe_oa_regs.h | 3 + drivers/gpu/drm/xe/xe_oa.c | 81 +++++++++++++++++++++++- 3 files changed, 82 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/xe/regs/xe_engine_regs.h b/drivers/gpu/drm/xe/regs/xe_engine_regs.h index 76c0938df05f3..045f9773f01f4 100644 --- a/drivers/gpu/drm/xe/regs/xe_engine_regs.h +++ b/drivers/gpu/drm/xe/regs/xe_engine_regs.h @@ -73,6 +73,7 @@ #define RING_CONTEXT_CONTROL(base) XE_REG((base) + 0x244, XE_REG_OPTION_MASKED) #define CTX_CTRL_OAC_CONTEXT_ENABLE REG_BIT(8) +#define CTX_CTRL_RUN_ALONE REG_BIT(7) #define CTX_CTRL_INHIBIT_SYN_CTX_SWITCH REG_BIT(3) #define CTX_CTRL_ENGINE_CTX_RESTORE_INHIBIT REG_BIT(0) diff --git a/drivers/gpu/drm/xe/regs/xe_oa_regs.h b/drivers/gpu/drm/xe/regs/xe_oa_regs.h index 7e2e875ccf80a..b66cd95b795e7 100644 --- a/drivers/gpu/drm/xe/regs/xe_oa_regs.h +++ b/drivers/gpu/drm/xe/regs/xe_oa_regs.h @@ -74,6 +74,9 @@ #define OAG_OASTATUS_BUFFER_OVERFLOW REG_BIT(1) #define OAG_OASTATUS_REPORT_LOST REG_BIT(0) +/* OAC unit */ +#define OAC_OACONTROL XE_REG(0x15114) + /* OAM unit */ #define OAM_HEAD_POINTER_OFFSET (0x1a0) #define OAM_TAIL_POINTER_OFFSET (0x1a4) diff --git a/drivers/gpu/drm/xe/xe_oa.c b/drivers/gpu/drm/xe/xe_oa.c index 9d653d7722d1a..42f32d4359f2c 100644 --- a/drivers/gpu/drm/xe/xe_oa.c +++ b/drivers/gpu/drm/xe/xe_oa.c @@ -449,6 +449,19 @@ u32 __format_to_oactrl(const struct xe_oa_format *format, int counter_sel_mask) REG_FIELD_PREP(OA_OACONTROL_COUNTER_SIZE_MASK, format->counter_size); } +static u32 __oa_ccs_select(struct xe_oa_stream *stream) +{ + u32 val; + + if (stream->hwe->class != XE_ENGINE_CLASS_COMPUTE) + return 0; + + val = REG_FIELD_PREP(OAG_OACONTROL_OA_CCS_SELECT_MASK, stream->hwe->instance); + xe_assert(stream->oa->xe, + REG_FIELD_GET(OAG_OACONTROL_OA_CCS_SELECT_MASK, val) == stream->hwe->instance); + return val; +} + static void xe_oa_enable(struct xe_oa_stream *stream) { const struct xe_oa_format *format = stream->oa_buffer.format; @@ -463,7 +476,7 @@ static void xe_oa_enable(struct xe_oa_stream *stream) regs = __oa_regs(stream); val = __format_to_oactrl(format, regs->oa_ctrl_counter_select_mask) | - OAG_OACONTROL_OA_COUNTER_ENABLE; + __oa_ccs_select(stream) | OAG_OACONTROL_OA_COUNTER_ENABLE; xe_mmio_write32(stream->gt, regs->oa_ctrl, val); } @@ -762,6 +775,64 @@ static int xe_oa_configure_oar_context(struct xe_oa_stream *stream, bool enable) return xe_oa_modify_self(stream, regs_lri, ARRAY_SIZE(regs_lri)); } +static int xe_oa_configure_oac_context(struct xe_oa_stream *stream, bool enable) +{ + const struct xe_oa_format *format = stream->oa_buffer.format; + struct xe_lrc *lrc = &stream->exec_q->lrc[0]; + u32 regs_offset = xe_lrc_regs_offset(lrc) / sizeof(u32); + u32 oacontrol = __format_to_oactrl(format, OAR_OACONTROL_COUNTER_SEL_MASK) | + (enable ? OAR_OACONTROL_COUNTER_ENABLE : 0); + struct flex regs_context[] = { + { + OACTXCONTROL(stream->hwe->mmio_base), + stream->oa->ctx_oactxctrl_offset[stream->hwe->class] + 1, + enable ? OA_COUNTER_RESUME : 0, + }, + { + RING_CONTEXT_CONTROL(stream->hwe->mmio_base), + regs_offset + CTX_CONTEXT_CONTROL, + _MASKED_FIELD(CTX_CTRL_OAC_CONTEXT_ENABLE, + enable ? CTX_CTRL_OAC_CONTEXT_ENABLE : 0) | + _MASKED_FIELD(CTX_CTRL_RUN_ALONE, + enable ? CTX_CTRL_RUN_ALONE : 0), + }, + }; + /* Offsets in regs_lri are not used since this configuration is applied using LRI */ + struct flex regs_lri[] = { + { + OAC_OACONTROL, + OAR_OAC_OACONTROL_OFFSET + 1, + oacontrol, + }, + }; + int err; + + /* Set ccs select to enable programming of OAC_OACONTROL */ + xe_mmio_write32(stream->gt, __oa_regs(stream)->oa_ctrl, __oa_ccs_select(stream)); + + /* Modify stream hwe context image with regs_context */ + err = xe_oa_modify_context(stream, &stream->exec_q->lrc[0], + regs_context, ARRAY_SIZE(regs_context)); + if (err) + return err; + + /* Apply regs_lri using LRI */ + return xe_oa_modify_self(stream, regs_lri, ARRAY_SIZE(regs_lri)); +} + +static int xe_oa_configure_oa_context(struct xe_oa_stream *stream, bool enable) +{ + switch (stream->hwe->class) { + case XE_ENGINE_CLASS_RENDER: + return xe_oa_configure_oar_context(stream, enable); + case XE_ENGINE_CLASS_COMPUTE: + return xe_oa_configure_oac_context(stream, enable); + default: + /* Video engines do not support MI_REPORT_PERF_COUNT */ + return 0; + } +} + #define HAS_OA_BPC_REPORTING(xe) (GRAPHICS_VERx100(xe) >= 1255) static void xe_oa_disable_metric_set(struct xe_oa_stream *stream) @@ -781,7 +852,7 @@ static void xe_oa_disable_metric_set(struct xe_oa_stream *stream) /* disable the context save/restore or OAR counters */ if (stream->exec_q) - xe_oa_configure_oar_context(stream, false); + xe_oa_configure_oa_context(stream, false); /* Make sure we disable noa to save power. */ xe_mmio_rmw32(stream->gt, RPM_CONFIG1, GT_NOA_ENABLE, 0); @@ -978,8 +1049,9 @@ static int xe_oa_enable_metric_set(struct xe_oa_stream *stream) xe_mmio_rmw32(stream->gt, XELPMP_SQCNT1, 0, sqcnt1); + /* Configure OAR/OAC */ if (stream->exec_q) { - ret = xe_oa_configure_oar_context(stream, true); + ret = xe_oa_configure_oa_context(stream, true); if (ret) return ret; } @@ -1636,6 +1708,9 @@ int xe_oa_stream_open_ioctl(struct drm_device *dev, void *data, struct drm_file param.exec_q = xe_exec_queue_lookup(xef, param.exec_queue_id); if (XE_IOCTL_DBG(oa->xe, !param.exec_q)) return -ENOENT; + + if (param.exec_q->width > 1) + drm_dbg(&oa->xe->drm, "exec_q->width > 1, programming only exec_q->lrc[0]\n"); } /* -- 2.41.0