From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paulo Zanoni Subject: [PATCH 4/7] drm/i915: only disable enabled planes on intel_fb_restore_mode Date: Fri, 25 Jan 2013 16:59:13 -0200 Message-ID: <1359140356-4050-5-git-send-email-przanoni@gmail.com> References: <1359140356-4050-1-git-send-email-przanoni@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail-ye0-f174.google.com (mail-ye0-f174.google.com [209.85.213.174]) by gabe.freedesktop.org (Postfix) with ESMTP id 7FD4AE6E40 for ; Fri, 25 Jan 2013 10:59:57 -0800 (PST) Received: by mail-ye0-f174.google.com with SMTP id m3so111210yen.33 for ; Fri, 25 Jan 2013 10:59:57 -0800 (PST) In-Reply-To: <1359140356-4050-1-git-send-email-przanoni@gmail.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org To: intel-gfx@lists.freedesktop.org Cc: Paulo Zanoni List-Id: intel-gfx@lists.freedesktop.org From: Paulo Zanoni We should avoid touching registers that are on the power down well when we don't need to, because if we touch these registers when the power well is disabled we'll get tons of "unclaimed register" messages. This commit fixes some of these messages. Signed-off-by: Paulo Zanoni --- drivers/gpu/drm/i915/intel_fb.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/intel_fb.c b/drivers/gpu/drm/i915/intel_fb.c index ce5f544..6591029 100644 --- a/drivers/gpu/drm/i915/intel_fb.c +++ b/drivers/gpu/drm/i915/intel_fb.c @@ -304,7 +304,8 @@ void intel_fb_restore_mode(struct drm_device *dev) /* Be sure to shut off any planes that may be active */ list_for_each_entry(plane, &config->plane_list, head) - plane->funcs->disable_plane(plane); + if (plane->enabled) + plane->funcs->disable_plane(plane); mutex_unlock(&dev->mode_config.mutex); } -- 1.7.10.4