X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fgpu%2Fvga%2Fvgaarb.c;h=b87569e96b163c04fb35790ef8c457999480e3f3;hb=cb86ae95a0168be2acc6c48b1671ffaba1e5e39e;hp=441e38c95a8535b863d924aea1c468872ba6d27a;hpb=b65b34895437915f411882dd40d704eb0863ffb0;p=pandora-kernel.git diff --git a/drivers/gpu/vga/vgaarb.c b/drivers/gpu/vga/vgaarb.c index 441e38c95a85..b87569e96b16 100644 --- a/drivers/gpu/vga/vgaarb.c +++ b/drivers/gpu/vga/vgaarb.c @@ -1,12 +1,32 @@ /* - * vgaarb.c + * vgaarb.c: Implements the VGA arbitration. For details refer to + * Documentation/vgaarbiter.txt + * * * (C) Copyright 2005 Benjamin Herrenschmidt * (C) Copyright 2007 Paulo R. Zanoni * (C) Copyright 2007, 2009 Tiago Vignatti * - * Implements the VGA arbitration. For details refer to - * Documentation/vgaarbiter.txt + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * 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. + * */ #include @@ -155,8 +175,8 @@ static struct vga_device *__vga_tryget(struct vga_device *vgadev, (vgadev->decodes & VGA_RSRC_LEGACY_MEM)) rsrc |= VGA_RSRC_LEGACY_MEM; - pr_devel("%s: %d\n", __func__, rsrc); - pr_devel("%s: owns: %d\n", __func__, vgadev->owns); + pr_debug("%s: %d\n", __func__, rsrc); + pr_debug("%s: owns: %d\n", __func__, vgadev->owns); /* Check what resources we need to acquire */ wants = rsrc & ~vgadev->owns; @@ -268,7 +288,7 @@ static void __vga_put(struct vga_device *vgadev, unsigned int rsrc) { unsigned int old_locks = vgadev->locks; - pr_devel("%s\n", __func__); + pr_debug("%s\n", __func__); /* Update our counters, and account for equivalent legacy resources * if we decode them @@ -575,6 +595,7 @@ static inline void vga_update_device_decodes(struct vga_device *vgadev, else vga_decode_count--; } + pr_debug("vgaarb: decoding count now is: %d\n", vga_decode_count); } void __vga_set_legacy_decoding(struct pci_dev *pdev, unsigned int decodes, bool userspace) @@ -831,7 +852,7 @@ static ssize_t vga_arb_write(struct file *file, const char __user * buf, curr_pos += 5; remaining -= 5; - pr_devel("client 0x%p called 'lock'\n", priv); + pr_debug("client 0x%p called 'lock'\n", priv); if (!vga_str_to_iostate(curr_pos, remaining, &io_state)) { ret_val = -EPROTO; @@ -867,7 +888,7 @@ static ssize_t vga_arb_write(struct file *file, const char __user * buf, curr_pos += 7; remaining -= 7; - pr_devel("client 0x%p called 'unlock'\n", priv); + pr_debug("client 0x%p called 'unlock'\n", priv); if (strncmp(curr_pos, "all", 3) == 0) io_state = VGA_RSRC_LEGACY_IO | VGA_RSRC_LEGACY_MEM; @@ -917,7 +938,7 @@ static ssize_t vga_arb_write(struct file *file, const char __user * buf, curr_pos += 8; remaining -= 8; - pr_devel("client 0x%p called 'trylock'\n", priv); + pr_debug("client 0x%p called 'trylock'\n", priv); if (!vga_str_to_iostate(curr_pos, remaining, &io_state)) { ret_val = -EPROTO; @@ -961,7 +982,7 @@ static ssize_t vga_arb_write(struct file *file, const char __user * buf, curr_pos += 7; remaining -= 7; - pr_devel("client 0x%p called 'target'\n", priv); + pr_debug("client 0x%p called 'target'\n", priv); /* if target is default */ if (!strncmp(curr_pos, "default", 7)) pdev = pci_dev_get(vga_default_device()); @@ -971,11 +992,11 @@ static ssize_t vga_arb_write(struct file *file, const char __user * buf, ret_val = -EPROTO; goto done; } - pr_devel("vgaarb: %s ==> %x:%x:%x.%x\n", curr_pos, + pr_debug("vgaarb: %s ==> %x:%x:%x.%x\n", curr_pos, domain, bus, PCI_SLOT(devfn), PCI_FUNC(devfn)); pbus = pci_find_bus(domain, bus); - pr_devel("vgaarb: pbus %p\n", pbus); + pr_debug("vgaarb: pbus %p\n", pbus); if (pbus == NULL) { pr_err("vgaarb: invalid PCI domain and/or bus address %x:%x\n", domain, bus); @@ -983,7 +1004,7 @@ static ssize_t vga_arb_write(struct file *file, const char __user * buf, goto done; } pdev = pci_get_slot(pbus, devfn); - pr_devel("vgaarb: pdev %p\n", pdev); + pr_debug("vgaarb: pdev %p\n", pdev); if (!pdev) { pr_err("vgaarb: invalid PCI address %x:%x\n", bus, devfn); @@ -993,7 +1014,7 @@ static ssize_t vga_arb_write(struct file *file, const char __user * buf, } vgadev = vgadev_find(pdev); - pr_devel("vgaarb: vgadev %p\n", vgadev); + pr_debug("vgaarb: vgadev %p\n", vgadev); if (vgadev == NULL) { pr_err("vgaarb: this pci device is not a vga device\n"); pci_dev_put(pdev); @@ -1029,7 +1050,7 @@ static ssize_t vga_arb_write(struct file *file, const char __user * buf, } else if (strncmp(curr_pos, "decodes ", 8) == 0) { curr_pos += 8; remaining -= 8; - pr_devel("vgaarb: client 0x%p called 'decodes'\n", priv); + pr_debug("vgaarb: client 0x%p called 'decodes'\n", priv); if (!vga_str_to_iostate(curr_pos, remaining, &io_state)) { ret_val = -EPROTO; @@ -1058,7 +1079,7 @@ static unsigned int vga_arb_fpoll(struct file *file, poll_table * wait) { struct vga_arb_private *priv = file->private_data; - pr_devel("%s\n", __func__); + pr_debug("%s\n", __func__); if (priv == NULL) return -ENODEV; @@ -1071,7 +1092,7 @@ static int vga_arb_open(struct inode *inode, struct file *file) struct vga_arb_private *priv; unsigned long flags; - pr_devel("%s\n", __func__); + pr_debug("%s\n", __func__); priv = kmalloc(sizeof(struct vga_arb_private), GFP_KERNEL); if (priv == NULL) @@ -1101,7 +1122,7 @@ static int vga_arb_release(struct inode *inode, struct file *file) unsigned long flags; int i; - pr_devel("%s\n", __func__); + pr_debug("%s\n", __func__); if (priv == NULL) return -ENODEV; @@ -1112,7 +1133,7 @@ static int vga_arb_release(struct inode *inode, struct file *file) uc = &priv->cards[i]; if (uc->pdev == NULL) continue; - pr_devel("uc->io_cnt == %d, uc->mem_cnt == %d\n", + pr_debug("uc->io_cnt == %d, uc->mem_cnt == %d\n", uc->io_cnt, uc->mem_cnt); while (uc->io_cnt--) vga_put(uc->pdev, VGA_RSRC_LEGACY_IO); @@ -1165,7 +1186,7 @@ static int pci_notify(struct notifier_block *nb, unsigned long action, struct pci_dev *pdev = to_pci_dev(dev); bool notify = false; - pr_devel("%s\n", __func__); + pr_debug("%s\n", __func__); /* For now we're only intereted in devices added and removed. I didn't * test this thing here, so someone needs to double check for the