From patchwork Wed Jun 12 20:55:53 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rodrigo Vivi X-Patchwork-Id: 2712381 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 8BACEC1459 for ; Wed, 12 Jun 2013 21:03:12 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id A8EC42026B for ; Wed, 12 Jun 2013 21:03:11 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id AB6A32026A for ; Wed, 12 Jun 2013 21:03:10 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id C8C25E60A8 for ; Wed, 12 Jun 2013 14:03:10 -0700 (PDT) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mail-pa0-f48.google.com (mail-pa0-f48.google.com [209.85.220.48]) by gabe.freedesktop.org (Postfix) with ESMTP id 23C76E64A4 for ; Wed, 12 Jun 2013 13:57:02 -0700 (PDT) Received: by mail-pa0-f48.google.com with SMTP id kp12so5587525pab.7 for ; Wed, 12 Jun 2013 13:57:01 -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=+qPI67jCDGdGwuDbPyCd3eoDUJgJkPnuscaiOHh0BIw=; b=ZWznFuZh+PRrBFFM7Gxo9fMcMWuGY4RooBicYAlX/SgjecgDXqCeAgw5WuHyTs5SR3 yfjmprGT+p19NxkmmFXdxhPZpRdnO5TOLkNrw85OwwZyit6mepvXWkVENAna9+RPk6yP FsLfFscfnuyFOBFTjZyILRSFuN5z38UkWtMuqB6+BwHy4HG2LG3Z+SUJyS+R/vACLFzL zVLvCrJjwDUdhxqgclcUEFQ7muUP2anE9eSGLuCNR9BjfptELm3zv6LKvS8QaJRp8Jim pLkPXFJLWLsAuCfAq8iuxGtV9rkItH7dJJxJa4Nj1IMcxQFlks/W+lbQET/HotkP9oH7 8rOg== X-Received: by 10.68.197.98 with SMTP id it2mr21975726pbc.200.1371070621819; Wed, 12 Jun 2013 13:57:01 -0700 (PDT) Received: from localhost (jfdmzpr05-ext.jf.intel.com. [134.134.139.74]) by mx.google.com with ESMTPSA id 6sm20350922pbn.45.2013.06.12.13.57.00 for (version=TLSv1.2 cipher=RC4-SHA bits=128/128); Wed, 12 Jun 2013 13:57:01 -0700 (PDT) From: Rodrigo Vivi To: intel-gfx@lists.freedesktop.org Date: Wed, 12 Jun 2013 17:55:53 -0300 Message-Id: <1371070554-1947-12-git-send-email-rodrigo.vivi@gmail.com> X-Mailer: git-send-email 1.7.11.7 In-Reply-To: <1371070554-1947-1-git-send-email-rodrigo.vivi@gmail.com> References: <1371070554-1947-1-git-send-email-rodrigo.vivi@gmail.com> Subject: [Intel-gfx] [PATCH 12/13] drm/i915: Adding global I915_PARAM for PSR ACTIVE. 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=-4.3 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 and active, i.e. in SRD entry state. This will allow userspace emit more busy_ioctl when doing directly copy_area operations through scanout allowing forced psr exit. Signed-off-by: Rodrigo Vivi --- drivers/gpu/drm/i915/i915_dma.c | 3 +++ include/uapi/drm/i915_drm.h | 1 + 2 files changed, 4 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index fd8898c..d21b9a0 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -1001,6 +1001,9 @@ static int i915_getparam(struct drm_device *dev, void *data, case I915_PARAM_HAS_EXEC_HANDLE_LUT: value = 1; break; + case I915_PARAM_PSR_ACTIVE: + value = I915_READ(EDP_PSR_STATUS_CTL) & EDP_PSR_STATUS_STATE_SRDENT; + 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..191a7fc 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_ACTIVE 27 typedef struct drm_i915_getparam { int param;