From patchwork Tue Feb 19 21:31:47 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jesse Barnes X-Patchwork-Id: 2165261 Return-Path: X-Original-To: patchwork-intel-gfx@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by patchwork2.kernel.org (Postfix) with ESMTP id BAC39DF24C for ; Tue, 19 Feb 2013 21:39:02 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id A67D4E668B for ; Tue, 19 Feb 2013 13:39:02 -0800 (PST) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from oproxy5-pub.bluehost.com (oproxy5-pub.bluehost.com [67.222.38.55]) by gabe.freedesktop.org (Postfix) with SMTP id ABB97E6698 for ; Tue, 19 Feb 2013 13:37:50 -0800 (PST) Received: (qmail 19381 invoked by uid 0); 19 Feb 2013 21:37:50 -0000 Received: from unknown (HELO box514.bluehost.com) (74.220.219.114) by cpoproxy2.bluehost.com with SMTP; 19 Feb 2013 21:37:50 -0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=virtuousgeek.org; s=default; h=References:In-Reply-To:Message-Id:Date:Subject:To:From; bh=kbCErypxcmroLLr5BX4e3lsKUUvqOQMiKNq9eV4L2nw=; b=po2miJoO2dHLHfMiLiJ2loqLF8gttLvoUJs4Jes7bAzFsrWANPbZ5Wg6oF0Y9aouW+pk2VTSNVHu4NN2YWJK6Fb0q6DnLDw7bPDct/Eq4LHkxCT4ty0ND8LyK3ZG0AhX; Received: from [67.161.37.189] (port=56006 helo=localhost.localdomain) by box514.bluehost.com with esmtpsa (TLSv1:CAMELLIA256-SHA:256) (Exim 4.80) (envelope-from ) id 1U7un4-0004Pz-3d for intel-gfx@lists.freedesktop.org; Tue, 19 Feb 2013 14:31:54 -0700 From: Jesse Barnes To: intel-gfx@lists.freedesktop.org Date: Tue, 19 Feb 2013 13:31:47 -0800 Message-Id: <1361309508-4901-13-git-send-email-jbarnes@virtuousgeek.org> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1361309508-4901-1-git-send-email-jbarnes@virtuousgeek.org> References: <1361309508-4901-1-git-send-email-jbarnes@virtuousgeek.org> X-Identified-User: {10642:box514.bluehost.com:virtuous:virtuousgeek.org} {sentby:smtp auth 67.161.37.189 authed with jbarnes@virtuousgeek.org} Subject: [Intel-gfx] [PATCH 12/13] drm/i915: treat no fb -> fb as simple flip instead of full mode set 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 In case we don't get an fb from the BIOS, we may still be able to re-use existing state and flip a new buffer. Signed-off-by: Jesse Barnes --- drivers/gpu/drm/i915/intel_display.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 861af1a..b04d8b5 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -7993,10 +7993,8 @@ intel_set_config_compute_mode_changes(struct drm_mode_set *set, /* We should be able to check here if the fb has the same properties * and then just flip_or_move it */ if (set->crtc->fb != set->fb) { - /* If we have no fb then treat it as a full mode set */ if (set->crtc->fb == NULL) { - DRM_DEBUG_KMS("crtc has no fb, full mode set\n"); - config->mode_changed = true; + config->fb_changed = true; } else if (set->fb == NULL) { config->mode_changed = true; } else if (set->fb->depth != set->crtc->fb->depth) {