From patchwork Wed Jun 26 23:23:53 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rodrigo Vivi X-Patchwork-Id: 2789211 Return-Path: X-Original-To: patchwork-intel-gfx@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 940D2C0AB1 for ; Wed, 26 Jun 2013 23:24:16 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id B8E92202BA for ; Wed, 26 Jun 2013 23:24:15 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 8D211202B3 for ; Wed, 26 Jun 2013 23:24:14 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 2649DE5F17 for ; Wed, 26 Jun 2013 16:24:14 -0700 (PDT) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mail-yh0-f42.google.com (mail-yh0-f42.google.com [209.85.213.42]) by gabe.freedesktop.org (Postfix) with ESMTP id E1FBCE5CBD for ; Wed, 26 Jun 2013 16:24:03 -0700 (PDT) Received: by mail-yh0-f42.google.com with SMTP id c41so58398yho.15 for ; Wed, 26 Jun 2013 16:24:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:x-mailer:in-reply-to:references; bh=0yB7LHiCzruqcAUOMnOk6txgMjnVw8zRbpS7a32uwP0=; b=PfpUlMrKm7a0GPL6Bqf4hk+Ho+bzgIP0l/Gdvtav1FZzS4+Cu0RxuYfomXHjfy8w1a mC1xz8Zc23IqaBjfYlV1LCnhJIIyKRYKdwVK5bwG+ghwqQVvVSiEjrzdFK5aLh93otTE wgsRWNc9yL6tXdUo6BNFuXCYgehQUlZEB3goYhCMHsw4GiEEifU4oLq6uh/pAx/4hIWS AMFftwsZlmbhyOCOP5GW7xOUAQfoNjcF0gkz7qyRIhcxHUSMeuYH6Qgk9nofBy/cTKVl lMaLUEx06hB1OQkA3lGERmJyyh2D+4cCuPL8/1pw7mNEc/JocLTh3J7pCSEIBxU53UA2 AN4g== X-Received: by 10.236.137.142 with SMTP id y14mr3287812yhi.65.1372289043554; Wed, 26 Jun 2013 16:24:03 -0700 (PDT) Received: from localhost.localdomain ([186.204.164.107]) by mx.google.com with ESMTPSA id s80sm161402yhe.27.2013.06.26.16.24.01 for (version=TLSv1.2 cipher=RC4-SHA bits=128/128); Wed, 26 Jun 2013 16:24:02 -0700 (PDT) From: Rodrigo Vivi To: intel-gfx@lists.freedesktop.org Date: Wed, 26 Jun 2013 20:23:53 -0300 Message-Id: <1372289033-14529-1-git-send-email-rodrigo.vivi@gmail.com> X-Mailer: git-send-email 1.8.1.4 In-Reply-To: <20130626221806.GA26187@cantiga.alporthouse.com> References: <20130626221806.GA26187@cantiga.alporthouse.com> Subject: [Intel-gfx] [PATCH] drm/i915: Adding global I915_PARAM for PSR ENABLED. X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: intel-gfx-bounces+patchwork-intel-gfx=patchwork.kernel.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+patchwork-intel-gfx=patchwork.kernel.org@lists.freedesktop.org X-Spam-Status: No, score=-5.4 required=5.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED, FREEMAIL_FROM, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, T_DKIM_INVALID, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This global value allows userspace know when PSR is enabled. This will allow userspace emit more busy_ioctl when doing directly copy_area operations through scanout allowing forced psr exit. v2: Check for PSR enabled instead of active. (by Chris Wilson) Cc: Chris Wilson Signed-off-by: Rodrigo Vivi --- drivers/gpu/drm/i915/i915_dma.c | 4 ++++ include/uapi/drm/i915_drm.h | 1 + 2 files changed, 5 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index adb319b..f924388 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -1000,6 +1000,10 @@ static int i915_getparam(struct drm_device *dev, void *data, case I915_PARAM_HAS_EXEC_HANDLE_LUT: value = 1; break; + case I915_PARAM_PSR_ENABLED: + value = IS_HASWELL(dev) && + I915_READ(EDP_PSR_CTL) & EDP_PSR_ENABLE; + break; default: DRM_DEBUG("Unknown parameter %d\n", param->param); return -EINVAL; diff --git a/include/uapi/drm/i915_drm.h b/include/uapi/drm/i915_drm.h index 923ed7f..a5db73b 100644 --- a/include/uapi/drm/i915_drm.h +++ b/include/uapi/drm/i915_drm.h @@ -310,6 +310,7 @@ typedef struct drm_i915_irq_wait { #define I915_PARAM_HAS_PINNED_BATCHES 24 #define I915_PARAM_HAS_EXEC_NO_RELOC 25 #define I915_PARAM_HAS_EXEC_HANDLE_LUT 26 +#define I915_PARAM_PSR_ENABLED 27 typedef struct drm_i915_getparam { int param;