drm/gma500: Unify _get_core_freq for cdv and psb

Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Cette révision appartient à :
Patrik Jakobsson
2014-03-11 22:53:43 +01:00
Parent 778e26dee5
révision f35257a3fe
5 fichiers modifiés avec 82 ajouts et 78 suppressions

Voir le fichier

@@ -26,6 +26,7 @@
#include "psb_intel_reg.h"
#include "intel_bios.h"
#include "cdv_device.h"
#include "gma_device.h"
#define VGA_SR_INDEX 0x3c4
#define VGA_SR_DATA 0x3c5
@@ -426,43 +427,6 @@ static int cdv_power_up(struct drm_device *dev)
return 0;
}
/* FIXME ? - shared with Poulsbo */
static void cdv_get_core_freq(struct drm_device *dev)
{
uint32_t clock;
struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
struct drm_psb_private *dev_priv = dev->dev_private;
pci_write_config_dword(pci_root, 0xD0, 0xD0050300);
pci_read_config_dword(pci_root, 0xD4, &clock);
pci_dev_put(pci_root);
switch (clock & 0x07) {
case 0:
dev_priv->core_freq = 100;
break;
case 1:
dev_priv->core_freq = 133;
break;
case 2:
dev_priv->core_freq = 150;
break;
case 3:
dev_priv->core_freq = 178;
break;
case 4:
dev_priv->core_freq = 200;
break;
case 5:
case 6:
case 7:
dev_priv->core_freq = 266;
break;
default:
dev_priv->core_freq = 0;
}
}
static void cdv_hotplug_work_func(struct work_struct *work)
{
struct drm_psb_private *dev_priv = container_of(work, struct drm_psb_private,
@@ -618,7 +582,7 @@ static int cdv_chip_setup(struct drm_device *dev)
if (pci_enable_msi(dev->pdev))
dev_warn(dev->dev, "Enabling MSI failed!\n");
dev_priv->regmap = cdv_regmap;
cdv_get_core_freq(dev);
gma_get_core_freq(dev);
psb_intel_opregion_init(dev);
psb_intel_init_bios(dev);
cdv_hotplug_enable(dev, false);