From patchwork Sun Jun 4 20:58:30 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sui Jingfeng <15330273260@189.cn> X-Patchwork-Id: 13266794 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 8E430C7EE23 for ; Sun, 4 Jun 2023 20:58:47 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 5811810E044; Sun, 4 Jun 2023 20:58:42 +0000 (UTC) Received: from 189.cn (ptr.189.cn [183.61.185.103]) by gabe.freedesktop.org (Postfix) with ESMTP id 3810610E044; Sun, 4 Jun 2023 20:58:40 +0000 (UTC) HMM_SOURCE_IP: 10.64.8.43:47878.118806016 HMM_ATTACHE_NUM: 0000 HMM_SOURCE_TYPE: SMTP Received: from clientip-114.242.206.180 (unknown [10.64.8.43]) by 189.cn (HERMES) with SMTP id A5DA710029A; Mon, 5 Jun 2023 04:58:33 +0800 (CST) Received: from ([114.242.206.180]) by gateway-151646-dep-75648544bd-7vx9t with ESMTP id 7eb87e86c4c04d1db87dbc5c9319b4e0 for alexander.deucher@amd.com; Mon, 05 Jun 2023 04:58:36 CST X-Transaction-ID: 7eb87e86c4c04d1db87dbc5c9319b4e0 X-Real-From: 15330273260@189.cn X-Receive-IP: 114.242.206.180 X-MEDUSA-Status: 0 From: Sui Jingfeng <15330273260@189.cn> To: Alex Deucher , Christian Konig , Pan Xinhui , David Airlie , Daniel Vetter , Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , Tvrtko Ursulin , Ben Skeggs , Karol Herbst , Lyude Paul , Bjorn Helgaas , Alex Williamson , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Hawking Zhang , Mario Limonciello , Lijo Lazar , YiPeng Chai , Andrey Grodzovsky , Somalapuram Amaranath , Bokun Zhang , Ville Syrjala , Li Yi , Sui Jingfeng , Jason Gunthorpe , Kevin Tian , Cornelia Huck , Yishai Hadas , Abhishek Sahu , Yi Liu Subject: [PATCH v2 1/2] vgaarb: various coding style and comments fix Date: Mon, 5 Jun 2023 04:58:30 +0800 Message-Id: <20230604205831.3357596-1-15330273260@189.cn> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kvm@vger.kernel.org, nouveau@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, loongson-kernel@lists.loongnix.cn, amd-gfx@lists.freedesktop.org, linux-pci@vger.kernel.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Sui Jingfeng To keep consistent with vga_iostate_to_str() function, the third argument of vga_str_to_iostate() function should be 'unsigned int *'. Signed-off-by: Sui Jingfeng --- drivers/pci/vgaarb.c | 29 +++++++++++++++-------------- include/linux/vgaarb.h | 8 +++----- 2 files changed, 18 insertions(+), 19 deletions(-) diff --git a/drivers/pci/vgaarb.c b/drivers/pci/vgaarb.c index 5a696078b382..e40e6e5e5f03 100644 --- a/drivers/pci/vgaarb.c +++ b/drivers/pci/vgaarb.c @@ -61,7 +61,6 @@ static bool vga_arbiter_used; static DEFINE_SPINLOCK(vga_lock); static DECLARE_WAIT_QUEUE_HEAD(vga_wait_queue); - static const char *vga_iostate_to_str(unsigned int iostate) { /* Ignore VGA_RSRC_IO and VGA_RSRC_MEM */ @@ -77,10 +76,12 @@ static const char *vga_iostate_to_str(unsigned int iostate) return "none"; } -static int vga_str_to_iostate(char *buf, int str_size, int *io_state) +static int vga_str_to_iostate(char *buf, int str_size, unsigned int *io_state) { - /* we could in theory hand out locks on IO and mem - * separately to userspace but it can cause deadlocks */ + /* + * we could in theory hand out locks on IO and mem + * separately to userspace but it can cause deadlocks + */ if (strncmp(buf, "none", 4) == 0) { *io_state = VGA_RSRC_NONE; return 1; @@ -99,7 +100,7 @@ static int vga_str_to_iostate(char *buf, int str_size, int *io_state) return 1; } -/* this is only used a cookie - it should not be dereferenced */ +/* This is only used as cookie, it should not be dereferenced */ static struct pci_dev *vga_default; /* Find somebody in our list */ @@ -194,13 +195,15 @@ int vga_remove_vgacon(struct pci_dev *pdev) EXPORT_SYMBOL(vga_remove_vgacon); /* If we don't ever use VGA arb we should avoid - turning off anything anywhere due to old X servers getting - confused about the boot device not being VGA */ + * turning off anything anywhere due to old X servers getting + * confused about the boot device not being VGA + */ static void vga_check_first_use(void) { /* we should inform all GPUs in the system that * VGA arb has occurred and to try and disable resources - * if they can */ + * if they can + */ if (!vga_arbiter_used) { vga_arbiter_used = true; vga_arbiter_notify_clients(); @@ -865,8 +868,7 @@ static bool vga_arbiter_del_pci_device(struct pci_dev *pdev) } /* this is called with the lock */ -static inline void vga_update_device_decodes(struct vga_device *vgadev, - int new_decodes) +static void vga_update_device_decodes(struct vga_device *vgadev, int new_decodes) { struct device *dev = &vgadev->pdev->dev; int old_decodes, decodes_removed, decodes_unlocked; @@ -956,9 +958,9 @@ EXPORT_SYMBOL(vga_set_legacy_decoding); * @set_decode callback: If a client can disable its GPU VGA resource, it * will get a callback from this to set the encode/decode state. * - * Rationale: we cannot disable VGA decode resources unconditionally some single - * GPU laptops seem to require ACPI or BIOS access to the VGA registers to - * control things like backlights etc. Hopefully newer multi-GPU laptops do + * Rationale: we cannot disable VGA decode resources unconditionally, some + * single GPU laptops seem to require ACPI or BIOS access to the VGA registers + * to control things like backlights etc. Hopefully newer multi-GPU laptops do * something saner, and desktops won't have any special ACPI for this. The * driver will get a callback when VGA arbitration is first used by userspace * since some older X servers have issues. @@ -988,7 +990,6 @@ int vga_client_register(struct pci_dev *pdev, bail: spin_unlock_irqrestore(&vga_lock, flags); return ret; - } EXPORT_SYMBOL(vga_client_register); diff --git a/include/linux/vgaarb.h b/include/linux/vgaarb.h index b4b9137f9792..d36225c582ee 100644 --- a/include/linux/vgaarb.h +++ b/include/linux/vgaarb.h @@ -23,9 +23,7 @@ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS - * IN THE SOFTWARE. - * + * DEALINGS IN THE SOFTWARE. */ #ifndef LINUX_VGA_H @@ -96,7 +94,7 @@ static inline int vga_client_register(struct pci_dev *pdev, static inline int vga_get_interruptible(struct pci_dev *pdev, unsigned int rsrc) { - return vga_get(pdev, rsrc, 1); + return vga_get(pdev, rsrc, 1); } /** @@ -111,7 +109,7 @@ static inline int vga_get_interruptible(struct pci_dev *pdev, static inline int vga_get_uninterruptible(struct pci_dev *pdev, unsigned int rsrc) { - return vga_get(pdev, rsrc, 0); + return vga_get(pdev, rsrc, 0); } static inline void vga_client_unregister(struct pci_dev *pdev)