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path: root/drivers/gpu/vga
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Diffstat (limited to 'drivers/gpu/vga')
-rw-r--r--drivers/gpu/vga/vga_switcheroo.c95
-rw-r--r--drivers/gpu/vga/vgaarb.c142
2 files changed, 138 insertions, 99 deletions
diff --git a/drivers/gpu/vga/vga_switcheroo.c b/drivers/gpu/vga/vga_switcheroo.c
index 37ac7b5db..21060668f 100644
--- a/drivers/gpu/vga/vga_switcheroo.c
+++ b/drivers/gpu/vga/vga_switcheroo.c
@@ -6,17 +6,19 @@
* Licensed under GPLv2
*
* vga_switcheroo.c - Support for laptop with dual GPU using one set of outputs
-
- Switcher interface - methods require for ATPX and DCM
- - switchto - this throws the output MUX switch
- - discrete_set_power - sets the power state for the discrete card
-
- GPU driver interface
- - set_gpu_state - this should do the equiv of s/r for the card
- - this should *not* set the discrete power state
- - switch_check - check if the device is in a position to switch now
+ *
+ * Switcher interface - methods require for ATPX and DCM
+ * - switchto - this throws the output MUX switch
+ * - discrete_set_power - sets the power state for the discrete card
+ *
+ * GPU driver interface
+ * - set_gpu_state - this should do the equiv of s/r for the card
+ * - this should *not* set the discrete power state
+ * - switch_check - check if the device is in a position to switch now
*/
+#define pr_fmt(fmt) "vga_switcheroo: " fmt
+
#include <linux/module.h>
#include <linux/seq_file.h>
#include <linux/uaccess.h>
@@ -111,7 +113,7 @@ int vga_switcheroo_register_handler(struct vga_switcheroo_handler *handler)
vgasr_priv.handler = handler;
if (vga_switcheroo_ready()) {
- printk(KERN_INFO "vga_switcheroo: enabled\n");
+ pr_info("enabled\n");
vga_switcheroo_enable();
}
mutex_unlock(&vgasr_mutex);
@@ -124,7 +126,7 @@ void vga_switcheroo_unregister_handler(void)
mutex_lock(&vgasr_mutex);
vgasr_priv.handler = NULL;
if (vgasr_priv.active) {
- pr_info("vga_switcheroo: disabled\n");
+ pr_info("disabled\n");
vga_switcheroo_debugfs_fini(&vgasr_priv);
vgasr_priv.active = false;
}
@@ -155,7 +157,7 @@ static int register_client(struct pci_dev *pdev,
vgasr_priv.registered_clients++;
if (vga_switcheroo_ready()) {
- printk(KERN_INFO "vga_switcheroo: enabled\n");
+ pr_info("enabled\n");
vga_switcheroo_enable();
}
mutex_unlock(&vgasr_mutex);
@@ -167,7 +169,8 @@ int vga_switcheroo_register_client(struct pci_dev *pdev,
bool driver_power_control)
{
return register_client(pdev, ops, -1,
- pdev == vga_default_device(), driver_power_control);
+ pdev == vga_default_device(),
+ driver_power_control);
}
EXPORT_SYMBOL(vga_switcheroo_register_client);
@@ -183,6 +186,7 @@ static struct vga_switcheroo_client *
find_client_from_pci(struct list_head *head, struct pci_dev *pdev)
{
struct vga_switcheroo_client *client;
+
list_for_each_entry(client, head, list)
if (client->pdev == pdev)
return client;
@@ -193,6 +197,7 @@ static struct vga_switcheroo_client *
find_client_from_id(struct list_head *head, int client_id)
{
struct vga_switcheroo_client *client;
+
list_for_each_entry(client, head, list)
if (client->id == client_id)
return client;
@@ -203,6 +208,7 @@ static struct vga_switcheroo_client *
find_active_client(struct list_head *head)
{
struct vga_switcheroo_client *client;
+
list_for_each_entry(client, head, list)
if (client->active && client_is_vga(client))
return client;
@@ -235,7 +241,7 @@ void vga_switcheroo_unregister_client(struct pci_dev *pdev)
kfree(client);
}
if (vgasr_priv.active && vgasr_priv.registered_clients < 2) {
- printk(KERN_INFO "vga_switcheroo: disabled\n");
+ pr_info("disabled\n");
vga_switcheroo_debugfs_fini(&vgasr_priv);
vgasr_priv.active = false;
}
@@ -260,10 +266,12 @@ static int vga_switcheroo_show(struct seq_file *m, void *v)
{
struct vga_switcheroo_client *client;
int i = 0;
+
mutex_lock(&vgasr_mutex);
list_for_each_entry(client, &vgasr_priv.clients, list) {
seq_printf(m, "%d:%s%s:%c:%s%s:%s\n", i,
- client_id(client) == VGA_SWITCHEROO_DIS ? "DIS" : "IGD",
+ client_id(client) == VGA_SWITCHEROO_DIS ? "DIS" :
+ "IGD",
client_is_vga(client) ? "" : "-Audio",
client->active ? '+' : ' ',
client->driver_power_control ? "Dyn" : "",
@@ -347,6 +355,7 @@ static int vga_switchto_stage2(struct vga_switcheroo_client *new_client)
if (new_client->fb_info) {
struct fb_event event;
+
console_lock();
event.info = new_client->fb_info;
fb_notifier_call_chain(FB_EVENT_REMAP_ALL_CONSOLE, &event);
@@ -375,7 +384,7 @@ static bool check_can_switch(void)
list_for_each_entry(client, &vgasr_priv.clients, list) {
if (!client->ops->can_switch(client->pdev)) {
- printk(KERN_ERR "vga_switcheroo: client %x refused switch\n", client->id);
+ pr_err("client %x refused switch\n", client->id);
return false;
}
}
@@ -484,20 +493,20 @@ vga_switcheroo_debugfs_write(struct file *filp, const char __user *ubuf,
if (can_switch) {
ret = vga_switchto_stage1(client);
if (ret)
- printk(KERN_ERR "vga_switcheroo: switching failed stage 1 %d\n", ret);
+ pr_err("switching failed stage 1 %d\n", ret);
ret = vga_switchto_stage2(client);
if (ret)
- printk(KERN_ERR "vga_switcheroo: switching failed stage 2 %d\n", ret);
+ pr_err("switching failed stage 2 %d\n", ret);
} else {
- printk(KERN_INFO "vga_switcheroo: setting delayed switch to client %d\n", client->id);
+ pr_info("setting delayed switch to client %d\n", client->id);
vgasr_priv.delayed_switch_active = true;
vgasr_priv.delayed_client_id = client_id;
ret = vga_switchto_stage1(client);
if (ret)
- printk(KERN_ERR "vga_switcheroo: delayed switching stage 1 failed %d\n", ret);
+ pr_err("delayed switching stage 1 failed %d\n", ret);
}
out:
@@ -516,32 +525,32 @@ static const struct file_operations vga_switcheroo_debugfs_fops = {
static void vga_switcheroo_debugfs_fini(struct vgasr_priv *priv)
{
- if (priv->switch_file) {
- debugfs_remove(priv->switch_file);
- priv->switch_file = NULL;
- }
- if (priv->debugfs_root) {
- debugfs_remove(priv->debugfs_root);
- priv->debugfs_root = NULL;
- }
+ debugfs_remove(priv->switch_file);
+ priv->switch_file = NULL;
+
+ debugfs_remove(priv->debugfs_root);
+ priv->debugfs_root = NULL;
}
static int vga_switcheroo_debugfs_init(struct vgasr_priv *priv)
{
+ static const char mp[] = "/sys/kernel/debug";
+
/* already initialised */
if (priv->debugfs_root)
return 0;
priv->debugfs_root = debugfs_create_dir("vgaswitcheroo", NULL);
if (!priv->debugfs_root) {
- printk(KERN_ERR "vga_switcheroo: Cannot create /sys/kernel/debug/vgaswitcheroo\n");
+ pr_err("Cannot create %s/vgaswitcheroo\n", mp);
goto fail;
}
priv->switch_file = debugfs_create_file("switch", 0644,
- priv->debugfs_root, NULL, &vga_switcheroo_debugfs_fops);
+ priv->debugfs_root, NULL,
+ &vga_switcheroo_debugfs_fops);
if (!priv->switch_file) {
- printk(KERN_ERR "vga_switcheroo: cannot create /sys/kernel/debug/vgaswitcheroo/switch\n");
+ pr_err("cannot create %s/vgaswitcheroo/switch\n", mp);
goto fail;
}
return 0;
@@ -560,7 +569,8 @@ int vga_switcheroo_process_delayed_switch(void)
if (!vgasr_priv.delayed_switch_active)
goto err;
- printk(KERN_INFO "vga_switcheroo: processing delayed switch to %d\n", vgasr_priv.delayed_client_id);
+ pr_info("processing delayed switch to %d\n",
+ vgasr_priv.delayed_client_id);
client = find_client_from_id(&vgasr_priv.clients,
vgasr_priv.delayed_client_id);
@@ -569,7 +579,7 @@ int vga_switcheroo_process_delayed_switch(void)
ret = vga_switchto_stage2(client);
if (ret)
- printk(KERN_ERR "vga_switcheroo: delayed switching failed stage 2 %d\n", ret);
+ pr_err("delayed switching failed stage 2 %d\n", ret);
vgasr_priv.delayed_switch_active = false;
err = 0;
@@ -579,7 +589,8 @@ err:
}
EXPORT_SYMBOL(vga_switcheroo_process_delayed_switch);
-static void vga_switcheroo_power_switch(struct pci_dev *pdev, enum vga_switcheroo_state state)
+static void vga_switcheroo_power_switch(struct pci_dev *pdev,
+ enum vga_switcheroo_state state)
{
struct vga_switcheroo_client *client;
@@ -598,7 +609,8 @@ static void vga_switcheroo_power_switch(struct pci_dev *pdev, enum vga_switchero
/* force a PCI device to a certain state - mainly to turn off audio clients */
-void vga_switcheroo_set_dynamic_switch(struct pci_dev *pdev, enum vga_switcheroo_state dynamic)
+void vga_switcheroo_set_dynamic_switch(struct pci_dev *pdev,
+ enum vga_switcheroo_state dynamic)
{
struct vga_switcheroo_client *client;
@@ -644,7 +656,8 @@ static int vga_switcheroo_runtime_resume(struct device *dev)
/* this version is for the case where the power switch is separate
to the device being powered down. */
-int vga_switcheroo_init_domain_pm_ops(struct device *dev, struct dev_pm_domain *domain)
+int vga_switcheroo_init_domain_pm_ops(struct device *dev,
+ struct dev_pm_domain *domain)
{
/* copy over all the bus versions */
if (dev->bus && dev->bus->pm) {
@@ -675,7 +688,8 @@ static int vga_switcheroo_runtime_resume_hdmi_audio(struct device *dev)
/* we need to check if we have to switch back on the video
device so the audio device can come back */
list_for_each_entry(client, &vgasr_priv.clients, list) {
- if (PCI_SLOT(client->pdev->devfn) == PCI_SLOT(pdev->devfn) && client_is_vga(client)) {
+ if (PCI_SLOT(client->pdev->devfn) == PCI_SLOT(pdev->devfn) &&
+ client_is_vga(client)) {
found = client;
ret = pm_runtime_get_sync(&client->pdev->dev);
if (ret) {
@@ -695,12 +709,15 @@ static int vga_switcheroo_runtime_resume_hdmi_audio(struct device *dev)
return ret;
}
-int vga_switcheroo_init_domain_pm_optimus_hdmi_audio(struct device *dev, struct dev_pm_domain *domain)
+int
+vga_switcheroo_init_domain_pm_optimus_hdmi_audio(struct device *dev,
+ struct dev_pm_domain *domain)
{
/* copy over all the bus versions */
if (dev->bus && dev->bus->pm) {
domain->ops = *dev->bus->pm;
- domain->ops.runtime_resume = vga_switcheroo_runtime_resume_hdmi_audio;
+ domain->ops.runtime_resume =
+ vga_switcheroo_runtime_resume_hdmi_audio;
dev->pm_domain = domain;
return 0;
diff --git a/drivers/gpu/vga/vgaarb.c b/drivers/gpu/vga/vgaarb.c
index 7bcbf8636..a0b433456 100644
--- a/drivers/gpu/vga/vgaarb.c
+++ b/drivers/gpu/vga/vgaarb.c
@@ -29,6 +29,8 @@
*
*/
+#define pr_fmt(fmt) "vgaarb: " fmt
+
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/pci.h>
@@ -134,7 +136,6 @@ struct pci_dev *vga_default_device(void)
{
return vga_default;
}
-
EXPORT_SYMBOL_GPL(vga_default_device);
void vga_set_default_device(struct pci_dev *pdev)
@@ -298,9 +299,9 @@ enable_them:
pci_set_vga_state(vgadev->pdev, true, pci_bits, flags);
- if (!vgadev->bridge_has_one_vga) {
+ if (!vgadev->bridge_has_one_vga)
vga_irq_set_state(vgadev, true);
- }
+
vgadev->owns |= wants;
lock_them:
vgadev->locks |= (rsrc & VGA_RSRC_LEGACY_MASK);
@@ -452,15 +453,15 @@ bail:
}
EXPORT_SYMBOL(vga_put);
-/* Rules for using a bridge to control a VGA descendant decoding:
- if a bridge has only one VGA descendant then it can be used
- to control the VGA routing for that device.
- It should always use the bridge closest to the device to control it.
- If a bridge has a direct VGA descendant, but also have a sub-bridge
- VGA descendant then we cannot use that bridge to control the direct VGA descendant.
- So for every device we register, we need to iterate all its parent bridges
- so we can invalidate any devices using them properly.
-*/
+/*
+ * Rules for using a bridge to control a VGA descendant decoding: if a bridge
+ * has only one VGA descendant then it can be used to control the VGA routing
+ * for that device. It should always use the bridge closest to the device to
+ * control it. If a bridge has a direct VGA descendant, but also have a sub-
+ * bridge VGA descendant then we cannot use that bridge to control the direct
+ * VGA descendant. So for every device we register, we need to iterate all
+ * its parent bridges so we can invalidate any devices using them properly.
+ */
static void vga_arbiter_check_bridge_sharing(struct vga_device *vgadev)
{
struct vga_device *same_bridge_vgadev;
@@ -484,21 +485,26 @@ static void vga_arbiter_check_bridge_sharing(struct vga_device *vgadev)
/* see if the share a bridge with this device */
if (new_bridge == bridge) {
- /* if their direct parent bridge is the same
- as any bridge of this device then it can't be used
- for that device */
+ /*
+ * If their direct parent bridge is the same
+ * as any bridge of this device then it can't
+ * be used for that device.
+ */
same_bridge_vgadev->bridge_has_one_vga = false;
}
- /* now iterate the previous devices bridge hierarchy */
- /* if the new devices parent bridge is in the other devices
- hierarchy then we can't use it to control this device */
+ /*
+ * Now iterate the previous devices bridge hierarchy.
+ * If the new devices parent bridge is in the other
+ * devices hierarchy then we can't use it to control
+ * this device
+ */
while (bus) {
bridge = bus->self;
- if (bridge) {
- if (bridge == vgadev->pdev->bus->self)
- vgadev->bridge_has_one_vga = false;
- }
+
+ if (bridge && bridge == vgadev->pdev->bus->self)
+ vgadev->bridge_has_one_vga = false;
+
bus = bus->parent;
}
}
@@ -527,10 +533,10 @@ static bool vga_arbiter_add_pci_device(struct pci_dev *pdev)
/* Allocate structure */
vgadev = kmalloc(sizeof(struct vga_device), GFP_KERNEL);
if (vgadev == NULL) {
- pr_err("vgaarb: failed to allocate pci device\n");
- /* What to do on allocation failure ? For now, let's
- * just do nothing, I'm not sure there is anything saner
- * to be done
+ pr_err("failed to allocate pci device\n");
+ /*
+ * What to do on allocation failure ? For now, let's just do
+ * nothing, I'm not sure there is anything saner to be done.
*/
return false;
}
@@ -566,8 +572,8 @@ static bool vga_arbiter_add_pci_device(struct pci_dev *pdev)
bridge = bus->self;
if (bridge) {
u16 l;
- pci_read_config_word(bridge, PCI_BRIDGE_CONTROL,
- &l);
+
+ pci_read_config_word(bridge, PCI_BRIDGE_CONTROL, &l);
if (!(l & PCI_BRIDGE_CTL_VGA)) {
vgadev->owns = 0;
break;
@@ -581,8 +587,7 @@ static bool vga_arbiter_add_pci_device(struct pci_dev *pdev)
*/
if (vga_default == NULL &&
((vgadev->owns & VGA_RSRC_LEGACY_MASK) == VGA_RSRC_LEGACY_MASK)) {
- pr_info("vgaarb: setting as boot device: PCI:%s\n",
- pci_name(pdev));
+ pr_info("setting as boot device: PCI:%s\n", pci_name(pdev));
vga_set_default_device(pdev);
}
@@ -591,7 +596,7 @@ static bool vga_arbiter_add_pci_device(struct pci_dev *pdev)
/* Add to the list */
list_add(&vgadev->list, &vga_list);
vga_count++;
- pr_info("vgaarb: device added: PCI:%s,decodes=%s,owns=%s,locks=%s\n",
+ pr_info("device added: PCI:%s,decodes=%s,owns=%s,locks=%s\n",
pci_name(pdev),
vga_iostate_to_str(vgadev->decodes),
vga_iostate_to_str(vgadev->owns),
@@ -651,7 +656,7 @@ static inline void vga_update_device_decodes(struct vga_device *vgadev,
decodes_unlocked = vgadev->locks & decodes_removed;
vgadev->decodes = new_decodes;
- pr_info("vgaarb: device changed decodes: PCI:%s,olddecodes=%s,decodes=%s:owns=%s\n",
+ pr_info("device changed decodes: PCI:%s,olddecodes=%s,decodes=%s:owns=%s\n",
pci_name(vgadev->pdev),
vga_iostate_to_str(old_decodes),
vga_iostate_to_str(vgadev->decodes),
@@ -673,10 +678,12 @@ static inline void vga_update_device_decodes(struct vga_device *vgadev,
if (!(old_decodes & VGA_RSRC_LEGACY_MASK) &&
new_decodes & VGA_RSRC_LEGACY_MASK)
vga_decode_count++;
- pr_debug("vgaarb: decoding count now is: %d\n", vga_decode_count);
+ pr_debug("decoding count now is: %d\n", vga_decode_count);
}
-static void __vga_set_legacy_decoding(struct pci_dev *pdev, unsigned int decodes, bool userspace)
+static void __vga_set_legacy_decoding(struct pci_dev *pdev,
+ unsigned int decodes,
+ bool userspace)
{
struct vga_device *vgadev;
unsigned long flags;
@@ -712,7 +719,8 @@ EXPORT_SYMBOL(vga_set_legacy_decoding);
/* call with NULL to unregister */
int vga_client_register(struct pci_dev *pdev, void *cookie,
void (*irq_set_state)(void *cookie, bool state),
- unsigned int (*set_vga_decode)(void *cookie, bool decode))
+ unsigned int (*set_vga_decode)(void *cookie,
+ bool decode))
{
int ret = -ENODEV;
struct vga_device *vgadev;
@@ -832,7 +840,7 @@ static int vga_pci_str_to_vars(char *buf, int count, unsigned int *domain,
return 1;
}
-static ssize_t vga_arb_read(struct file *file, char __user * buf,
+static ssize_t vga_arb_read(struct file *file, char __user *buf,
size_t count, loff_t *ppos)
{
struct vga_arb_private *priv = file->private_data;
@@ -899,7 +907,7 @@ done:
* TODO: To avoid parsing inside kernel and to improve the speed we may
* consider use ioctl here
*/
-static ssize_t vga_arb_write(struct file *file, const char __user * buf,
+static ssize_t vga_arb_write(struct file *file, const char __user *buf,
size_t count, loff_t *ppos)
{
struct vga_arb_private *priv = file->private_data;
@@ -1075,13 +1083,13 @@ static ssize_t vga_arb_write(struct file *file, const char __user * buf,
ret_val = -EPROTO;
goto done;
}
- pr_debug("vgaarb: %s ==> %x:%x:%x.%x\n", curr_pos,
+ pr_debug("%s ==> %x:%x:%x.%x\n", curr_pos,
domain, bus, PCI_SLOT(devfn), PCI_FUNC(devfn));
pdev = pci_get_domain_bus_and_slot(domain, bus, devfn);
- pr_debug("vgaarb: pdev %p\n", pdev);
+ pr_debug("pdev %p\n", pdev);
if (!pdev) {
- pr_err("vgaarb: invalid PCI address %x:%x:%x\n",
+ pr_err("invalid PCI address %x:%x:%x\n",
domain, bus, devfn);
ret_val = -ENODEV;
goto done;
@@ -1089,10 +1097,13 @@ static ssize_t vga_arb_write(struct file *file, const char __user * buf,
}
vgadev = vgadev_find(pdev);
- pr_debug("vgaarb: vgadev %p\n", vgadev);
+ pr_debug("vgadev %p\n", vgadev);
if (vgadev == NULL) {
- pr_err("vgaarb: this pci device is not a vga device\n");
- pci_dev_put(pdev);
+ if (pdev) {
+ pr_err("this pci device is not a vga device\n");
+ pci_dev_put(pdev);
+ }
+
ret_val = -ENODEV;
goto done;
}
@@ -1109,7 +1120,7 @@ static ssize_t vga_arb_write(struct file *file, const char __user * buf,
}
}
if (i == MAX_USER_CARDS) {
- pr_err("vgaarb: maximum user cards (%d) number reached!\n",
+ pr_err("maximum user cards (%d) number reached!\n",
MAX_USER_CARDS);
pci_dev_put(pdev);
/* XXX: which value to return? */
@@ -1125,7 +1136,7 @@ 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_debug("vgaarb: client 0x%p called 'decodes'\n", priv);
+ pr_debug("client 0x%p called 'decodes'\n", priv);
if (!vga_str_to_iostate(curr_pos, remaining, &io_state)) {
ret_val = -EPROTO;
@@ -1150,7 +1161,7 @@ done:
return ret_val;
}
-static unsigned int vga_arb_fpoll(struct file *file, poll_table * wait)
+static unsigned int vga_arb_fpoll(struct file *file, poll_table *wait)
{
struct vga_arb_private *priv = file->private_data;
@@ -1246,7 +1257,8 @@ static void vga_arbiter_notify_clients(void)
else
new_state = true;
if (vgadev->set_vga_decode) {
- new_decodes = vgadev->set_vga_decode(vgadev->cookie, new_state);
+ new_decodes = vgadev->set_vga_decode(vgadev->cookie,
+ new_state);
vga_update_device_decodes(vgadev, new_decodes);
}
}
@@ -1300,7 +1312,7 @@ static int __init vga_arb_device_init(void)
rc = misc_register(&vga_arb_device);
if (rc < 0)
- pr_err("vgaarb: error %d registering device\n", rc);
+ pr_err("error %d registering device\n", rc);
bus_register_notifier(&pci_bus_type, &pci_notifier);
@@ -1312,21 +1324,29 @@ static int __init vga_arb_device_init(void)
PCI_ANY_ID, pdev)) != NULL)
vga_arbiter_add_pci_device(pdev);
- pr_info("vgaarb: loaded\n");
+ pr_info("loaded\n");
list_for_each_entry(vgadev, &vga_list, list) {
#if defined(CONFIG_X86) || defined(CONFIG_IA64)
- /* Override I/O based detection done by vga_arbiter_add_pci_device()
- * as it may take the wrong device (e.g. on Apple system under EFI).
+ /*
+ * Override vga_arbiter_add_pci_device()'s I/O based detection
+ * as it may take the wrong device (e.g. on Apple system under
+ * EFI).
*
- * Select the device owning the boot framebuffer if there is one.
+ * Select the device owning the boot framebuffer if there is
+ * one.
*/
- resource_size_t start, end;
+ resource_size_t start, end, limit;
+ unsigned long flags;
int i;
+ limit = screen_info.lfb_base + screen_info.lfb_size;
+
/* Does firmware framebuffer belong to us? */
for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) {
- if (!(pci_resource_flags(vgadev->pdev, i) & IORESOURCE_MEM))
+ flags = pci_resource_flags(vgadev->pdev, i);
+
+ if ((flags & IORESOURCE_MEM) == 0)
continue;
start = pci_resource_start(vgadev->pdev, i);
@@ -1335,22 +1355,24 @@ static int __init vga_arb_device_init(void)
if (!start || !end)
continue;
- if (screen_info.lfb_base < start ||
- (screen_info.lfb_base + screen_info.lfb_size) >= end)
+ if (screen_info.lfb_base < start || limit >= end)
continue;
+
if (!vga_default_device())
- pr_info("vgaarb: setting as boot device: PCI:%s\n",
+ pr_info("setting as boot device: PCI:%s\n",
pci_name(vgadev->pdev));
else if (vgadev->pdev != vga_default_device())
- pr_info("vgaarb: overriding boot device: PCI:%s\n",
+ pr_info("overriding boot device: PCI:%s\n",
pci_name(vgadev->pdev));
vga_set_default_device(vgadev->pdev);
}
#endif
if (vgadev->bridge_has_one_vga)
- pr_info("vgaarb: bridge control possible %s\n", pci_name(vgadev->pdev));
+ pr_info("bridge control possible %s\n",
+ pci_name(vgadev->pdev));
else
- pr_info("vgaarb: no bridge control possible %s\n", pci_name(vgadev->pdev));
+ pr_info("no bridge control possible %s\n",
+ pci_name(vgadev->pdev));
}
return rc;
}
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-17 06:40:31 +0000