From patchwork Mon May 3 15:57:24 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jason Ekstrand X-Patchwork-Id: 12236463 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DCF11C43460 for ; Mon, 3 May 2021 15:58:08 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 8644761183 for ; Mon, 3 May 2021 15:58:08 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8644761183 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=jlekstrand.net Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 41D4B6E8CB; Mon, 3 May 2021 15:58:02 +0000 (UTC) Received: from mail-pg1-x535.google.com (mail-pg1-x535.google.com [IPv6:2607:f8b0:4864:20::535]) by gabe.freedesktop.org (Postfix) with ESMTPS id 604ED6E8E5 for ; Mon, 3 May 2021 15:58:01 +0000 (UTC) Received: by mail-pg1-x535.google.com with SMTP id s22so3935749pgk.6 for ; Mon, 03 May 2021 08:58:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=jlekstrand-net.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=qziqsrXwpx637F+JaujdobbbJt3r1OgWV/IogN58Qn8=; b=UZ6bVlAddPDAsyTnP2FYIl5m0yANRJNKqOOKLxz9sMnwZxSdxZBBxp0rdetH4liKV8 tiYTZqT8aNJ+Lq38xyruvM6hfAdODep6QURVa/Rk7XBgoSzdeRSocp0rmfhVCw3MCx3+ lkxeMT8mVv6147p8fx+iui5JezUfsv8Tug92pmjzOOMgx/7Mk+oRgf7aXypbUOKdOWoI iIASrH9CGYTaoONjuNTb8MTYNV6nRt9jTWrMBLPZRq4Ooj4qY6INvNKuNyMPDktvYiPQ nANCYJ4LFU0MWdwa9XpIIz0QBBJ98ogvzOQmGZkmHsnyoxOt4oOO6/oQhOPrHBMB9Wdb j0JQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=qziqsrXwpx637F+JaujdobbbJt3r1OgWV/IogN58Qn8=; b=cFKw90vrGXIRhacGxncKCUIbwNaLc2iwTq6uIw20SdHS0crscMhkapOEvp8TVvOCWg Jt5zxrCwUT6kC8A5KrWO4Gwqltmj8ew7HMnIa0GU7E0ptnLCEwzEGxTBCe5wJPUrm0PZ m3nQvJSrClAq3Re7w6droDph96J7r8LFMT///8iFgqf3R55nYaGa0yL83B6Bt2biDNB5 BPFHk4b3OcPtotuHlahfl9lC+st0BCJxylfKqxjP0Wq9g22X7bMEDdyOADpei5myeX9J KlDFUlb2hti82OvKtTZAfbi/8B4Wm0bLJ6hMwduCZOAFY4/wWtDI46UyDSjA+zZqtpvH 2qmA== X-Gm-Message-State: AOAM532XqUr9OJc1MTpkO1/Ush9QTgHGHtAr+1GOI7gxkzRThzCoGc9+ BqPzniVCCWSHosn7U2WxptWmvZj6wDW4xw== X-Google-Smtp-Source: ABdhPJxhhY4NEOhbIX6b8aU73WurIqyzFpgBZR5uWixxoH4reQQ5DVIUfMzovtdBwRddCoz5FTubhw== X-Received: by 2002:a63:5159:: with SMTP id r25mr18402002pgl.359.1620057480485; Mon, 03 May 2021 08:58:00 -0700 (PDT) Received: from omlet.com (jfdmzpr05-ext.jf.intel.com. [134.134.139.74]) by smtp.gmail.com with ESMTPSA id gf21sm9783296pjb.20.2021.05.03.08.57.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 03 May 2021 08:57:59 -0700 (PDT) From: Jason Ekstrand To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Date: Mon, 3 May 2021 10:57:24 -0500 Message-Id: <20210503155748.1961781-4-jason@jlekstrand.net> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210503155748.1961781-1-jason@jlekstrand.net> References: <20210503155748.1961781-1-jason@jlekstrand.net> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 03/27] drm/i915: Drop I915_CONTEXT_PARAM_NO_ZEROMAP 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: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" The idea behind this param is to support OpenCL drivers with relocations because OpenCL reserves 0x0 for NULL and, if we placed memory there, it would confuse CL kernels. It was originally sent out as part of a patch series including libdrm [1] and Beignet [2] support. However, the libdrm and Beignet patches never landed in their respective upstream projects so this API has never been used. It's never been used in Mesa or any other driver, either. Dropping this API allows us to delete a small bit of code. [1]: https://lists.freedesktop.org/archives/intel-gfx/2015-May/067030.html [2]: https://lists.freedesktop.org/archives/intel-gfx/2015-May/067031.html Signed-off-by: Jason Ekstrand Reviewed-by: Daniel Vetter --- drivers/gpu/drm/i915/gem/i915_gem_context.c | 16 ++-------------- .../gpu/drm/i915/gem/i915_gem_context_types.h | 1 - drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c | 8 -------- include/uapi/drm/i915_drm.h | 4 ++++ 4 files changed, 6 insertions(+), 23 deletions(-) diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.c b/drivers/gpu/drm/i915/gem/i915_gem_context.c index 2ba4c7e4011b4..44841db04301b 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_context.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_context.c @@ -1921,15 +1921,6 @@ static int ctx_setparam(struct drm_i915_file_private *fpriv, int ret = 0; switch (args->param) { - case I915_CONTEXT_PARAM_NO_ZEROMAP: - if (args->size) - ret = -EINVAL; - else if (args->value) - set_bit(UCONTEXT_NO_ZEROMAP, &ctx->user_flags); - else - clear_bit(UCONTEXT_NO_ZEROMAP, &ctx->user_flags); - break; - case I915_CONTEXT_PARAM_NO_ERROR_CAPTURE: if (args->size) ret = -EINVAL; @@ -1979,6 +1970,7 @@ static int ctx_setparam(struct drm_i915_file_private *fpriv, ret = set_persistence(ctx, args); break; + case I915_CONTEXT_PARAM_NO_ZEROMAP: case I915_CONTEXT_PARAM_BAN_PERIOD: case I915_CONTEXT_PARAM_RINGSIZE: default: @@ -2359,11 +2351,6 @@ int i915_gem_context_getparam_ioctl(struct drm_device *dev, void *data, return -ENOENT; switch (args->param) { - case I915_CONTEXT_PARAM_NO_ZEROMAP: - args->size = 0; - args->value = test_bit(UCONTEXT_NO_ZEROMAP, &ctx->user_flags); - break; - case I915_CONTEXT_PARAM_GTT_SIZE: args->size = 0; rcu_read_lock(); @@ -2411,6 +2398,7 @@ int i915_gem_context_getparam_ioctl(struct drm_device *dev, void *data, args->value = i915_gem_context_is_persistent(ctx); break; + case I915_CONTEXT_PARAM_NO_ZEROMAP: case I915_CONTEXT_PARAM_BAN_PERIOD: case I915_CONTEXT_PARAM_RINGSIZE: default: diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context_types.h b/drivers/gpu/drm/i915/gem/i915_gem_context_types.h index 340473aa70de0..5ae71ec936f7c 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_context_types.h +++ b/drivers/gpu/drm/i915/gem/i915_gem_context_types.h @@ -129,7 +129,6 @@ struct i915_gem_context { * @user_flags: small set of booleans controlled by the user */ unsigned long user_flags; -#define UCONTEXT_NO_ZEROMAP 0 #define UCONTEXT_NO_ERROR_CAPTURE 1 #define UCONTEXT_BANNABLE 2 #define UCONTEXT_RECOVERABLE 3 diff --git a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c index 297143511f99b..b812f313422a9 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c @@ -290,7 +290,6 @@ struct i915_execbuffer { struct intel_context *reloc_context; u64 invalid_flags; /** Set of execobj.flags that are invalid */ - u32 context_flags; /** Set of execobj.flags to insert from the ctx */ u64 batch_len; /** Length of batch within object */ u32 batch_start_offset; /** Location within object of batch */ @@ -541,9 +540,6 @@ eb_validate_vma(struct i915_execbuffer *eb, entry->flags |= EXEC_OBJECT_NEEDS_GTT | __EXEC_OBJECT_NEEDS_MAP; } - if (!(entry->flags & EXEC_OBJECT_PINNED)) - entry->flags |= eb->context_flags; - return 0; } @@ -750,10 +746,6 @@ static int eb_select_context(struct i915_execbuffer *eb) if (rcu_access_pointer(ctx->vm)) eb->invalid_flags |= EXEC_OBJECT_NEEDS_GTT; - eb->context_flags = 0; - if (test_bit(UCONTEXT_NO_ZEROMAP, &ctx->user_flags)) - eb->context_flags |= __EXEC_OBJECT_NEEDS_BIAS; - return 0; } diff --git a/include/uapi/drm/i915_drm.h b/include/uapi/drm/i915_drm.h index 6eefbc6dec01f..a0aaa8298f28d 100644 --- a/include/uapi/drm/i915_drm.h +++ b/include/uapi/drm/i915_drm.h @@ -1637,6 +1637,10 @@ struct drm_i915_gem_context_param { __u32 size; __u64 param; #define I915_CONTEXT_PARAM_BAN_PERIOD 0x1 +/* I915_CONTEXT_PARAM_NO_ZEROMAP has been removed. On the off chance + * someone somewhere has attempted to use it, never re-use this context + * param number. + */ #define I915_CONTEXT_PARAM_NO_ZEROMAP 0x2 #define I915_CONTEXT_PARAM_GTT_SIZE 0x3 #define I915_CONTEXT_PARAM_NO_ERROR_CAPTURE 0x4