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Subject[PATCH] AGP 4/7: add generic print of AGP version & mode
Date
# This is a BitKeeper generated patch for the following project:
# Project Name: Linux kernel tree
# This patch format is intended for GNU patch command version 2.5 or higher.
# This patch includes the following deltas:
# ChangeSet 1.974 -> 1.975
# drivers/char/agp/generic.c 1.11 -> 1.12
# drivers/char/agp/sworks-agp.c 1.14 -> 1.15
# drivers/char/agp/amd-k8-agp.c 1.17 -> 1.18
#
# The following is the BitKeeper ChangeSet Log
# --------------------------------------------
# 03/01/07 bjorn_helgaas@hp.com 1.975
# Print AGP version & mode when programming devices.
# --------------------------------------------
#
diff -Nru a/drivers/char/agp/amd-k8-agp.c b/drivers/char/agp/amd-k8-agp.c
--- a/drivers/char/agp/amd-k8-agp.c Tue Jan 7 12:52:25 2003
+++ b/drivers/char/agp/amd-k8-agp.c Tue Jan 7 12:52:25 2003
@@ -382,9 +382,6 @@
* Ok, here we have a AGP device. Disable impossible
* settings, and adjust the readqueue to the minimum.
*/
-
- printk (KERN_INFO "AGP: Setting up AGPv3 capable device at %d:%d:%d\n",
- device->bus->number, PCI_FUNC(device->devfn), PCI_SLOT(device->devfn));
pci_read_config_dword(device, cap_ptr + 4, &scratch);

/* adjust RQ depth */
@@ -402,15 +399,11 @@
if (!((command & 0x10) && (scratch & 0x10) && (mode & 0x10)))
command &= ~0x10;

- if (!((command & 2) && (scratch & 2) && (mode & 2))) {
+ if (!((command & 2) && (scratch & 2) && (mode & 2)))
command &= ~2; /* 8x */
- printk (KERN_INFO "AGP: Putting device into 8x mode\n");
- }

- if (!((command & 1) && (scratch & 1) && (mode & 1))) {
+ if (!((command & 1) && (scratch & 1) && (mode & 1)))
command &= ~1; /* 4x */
- printk (KERN_INFO "AGP: Putting device into 4x mode\n");
- }
}
}
/*
@@ -433,7 +426,7 @@
* command registers.
*/

- agp_device_command(command);
+ agp_device_command(command, 1);
}


diff -Nru a/drivers/char/agp/generic.c b/drivers/char/agp/generic.c
--- a/drivers/char/agp/generic.c Tue Jan 7 12:52:25 2003
+++ b/drivers/char/agp/generic.c Tue Jan 7 12:52:25 2003
@@ -314,15 +314,22 @@

/* Generic Agp routines - Start */

-void agp_device_command(u32 command)
+void agp_device_command(u32 command, int agp_v3)
{
struct pci_dev *device;
+ int mode;
+
+ mode = command & 0x7;
+ if (agp_v3)
+ mode *= 4;

pci_for_each_dev(device) {
u8 agp = pci_find_capability(device, PCI_CAP_ID_AGP);
if (!agp)
continue;

+ printk(KERN_INFO PFX "Putting AGP V%d device at %s into %dx mode\n",
+ agp_v3 ? 3 : 2, device->slot_name, mode);
pci_write_config_dword(device, agp + 8, command);
}
}
@@ -409,7 +416,7 @@
* command registers.
*/

- agp_device_command(command);
+ agp_device_command(command, 0);
}

int agp_generic_create_gatt_table(void)
diff -Nru a/drivers/char/agp/sworks-agp.c b/drivers/char/agp/sworks-agp.c
--- a/drivers/char/agp/sworks-agp.c Tue Jan 7 12:52:25 2003
+++ b/drivers/char/agp/sworks-agp.c Tue Jan 7 12:52:25 2003
@@ -496,7 +496,7 @@
* command registers.
*/

- agp_device_command(command);
+ agp_device_command(command, 0);
}

static int __init serverworks_setup (struct pci_dev *pdev)
-
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