Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754146AbaLOPMW (ORCPT ); Mon, 15 Dec 2014 10:12:22 -0500 Received: from youngberry.canonical.com ([91.189.89.112]:38301 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752369AbaLOO12 (ORCPT ); Mon, 15 Dec 2014 09:27:28 -0500 From: Luis Henriques To: linux-kernel@vger.kernel.org, stable@vger.kernel.org, kernel-team@lists.ubuntu.com Cc: Chris Wilson , Daniel Vetter , Luis Henriques Subject: [PATCH 3.16.y-ckt 030/168] drm/i915: Handle failure to kick out a conflicting fb driver Date: Mon, 15 Dec 2014 14:24:44 +0000 Message-Id: <1418653622-21105-31-git-send-email-luis.henriques@canonical.com> X-Mailer: git-send-email 2.1.3 In-Reply-To: <1418653622-21105-1-git-send-email-luis.henriques@canonical.com> References: <1418653622-21105-1-git-send-email-luis.henriques@canonical.com> X-Extended-Stable: 3.16 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.16.7-ckt3 -stable review patch. If anyone has any objections, please let me know. ------------------ From: Chris Wilson commit f96de58fc7e7d3d717c7c63975c3b896c906b5e3 upstream. Signed-off-by: Chris Wilson Reviewed-by: Jani Nikula Signed-off-by: Daniel Vetter Signed-off-by: Luis Henriques --- drivers/gpu/drm/i915/i915_dma.c | 18 +++++++++++++----- 1 file changed, 13 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index d44344140627..0663fb4fa606 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -1425,15 +1425,16 @@ void i915_master_destroy(struct drm_device *dev, struct drm_master *master) } #if IS_ENABLED(CONFIG_FB) -static void i915_kick_out_firmware_fb(struct drm_i915_private *dev_priv) +static int i915_kick_out_firmware_fb(struct drm_i915_private *dev_priv) { struct apertures_struct *ap; struct pci_dev *pdev = dev_priv->dev->pdev; bool primary; + int ret; ap = alloc_apertures(1); if (!ap) - return; + return -ENOMEM; ap->ranges[0].base = dev_priv->gtt.mappable_base; ap->ranges[0].size = dev_priv->gtt.mappable_end; @@ -1441,13 +1442,16 @@ static void i915_kick_out_firmware_fb(struct drm_i915_private *dev_priv) primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW; - remove_conflicting_framebuffers(ap, "inteldrmfb", primary); + ret = remove_conflicting_framebuffers(ap, "inteldrmfb", primary); kfree(ap); + + return ret; } #else -static void i915_kick_out_firmware_fb(struct drm_i915_private *dev_priv) +static int i915_kick_out_firmware_fb(struct drm_i915_private *dev_priv) { + return 0; } #endif @@ -1664,7 +1668,11 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags) goto out_gtt; } - i915_kick_out_firmware_fb(dev_priv); + ret = i915_kick_out_firmware_fb(dev_priv); + if (ret) { + DRM_ERROR("failed to remove conflicting framebuffer drivers\n"); + goto out_gtt; + } } pci_set_master(dev->pdev); -- 2.1.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/