summaryrefslogtreecommitdiff
path: root/drivers/video/fbdev/aty/radeon_pm.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/video/fbdev/aty/radeon_pm.c')
-rw-r--r--drivers/video/fbdev/aty/radeon_pm.c61
1 files changed, 41 insertions, 20 deletions
diff --git a/drivers/video/fbdev/aty/radeon_pm.c b/drivers/video/fbdev/aty/radeon_pm.c
index 1417542738fc..5ff4a964055a 100644
--- a/drivers/video/fbdev/aty/radeon_pm.c
+++ b/drivers/video/fbdev/aty/radeon_pm.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* drivers/video/aty/radeon_pm.c
*
@@ -21,7 +22,6 @@
#ifdef CONFIG_PPC_PMAC
#include <asm/machdep.h>
-#include <asm/prom.h>
#include <asm/pmac_feature.h>
#endif
@@ -1207,9 +1207,11 @@ static void radeon_pm_enable_dll_m10(struct radeonfb_info *rinfo)
case 1:
if (mc & 0x4)
break;
+ fallthrough;
case 2:
dll_sleep_mask |= MDLL_R300_RDCK__MRDCKB_SLEEP;
dll_reset_mask |= MDLL_R300_RDCK__MRDCKB_RESET;
+ fallthrough;
case 0:
dll_sleep_mask |= MDLL_R300_RDCK__MRDCKA_SLEEP;
dll_reset_mask |= MDLL_R300_RDCK__MRDCKA_RESET;
@@ -1218,6 +1220,7 @@ static void radeon_pm_enable_dll_m10(struct radeonfb_info *rinfo)
case 1:
if (!(mc & 0x4))
break;
+ fallthrough;
case 2:
dll_sleep_mask |= MDLL_R300_RDCK__MRDCKD_SLEEP;
dll_reset_mask |= MDLL_R300_RDCK__MRDCKD_RESET;
@@ -1427,7 +1430,6 @@ static void radeon_pm_full_reset_sdram(struct radeonfb_info *rinfo)
mdelay( 15);
}
-#if defined(CONFIG_PM)
#if defined(CONFIG_X86) || defined(CONFIG_PPC_PMAC)
static void radeon_pm_reset_pad_ctlr_strength(struct radeonfb_info *rinfo)
{
@@ -2206,7 +2208,6 @@ static void radeon_reinitialize_M9P(struct radeonfb_info *rinfo)
radeon_pm_m10_enable_lvds_spread_spectrum(rinfo);
}
#endif
-#endif
#if 0 /* Not ready yet */
static void radeon_reinitialize_QW(struct radeonfb_info *rinfo)
@@ -2589,7 +2590,7 @@ static void radeon_set_suspend(struct radeonfb_info *rinfo, int suspend)
* calling pci_set_power_state()
*/
radeonfb_whack_power_state(rinfo, PCI_D2);
- __pci_complete_power_transition(rinfo->pdev, PCI_D2);
+ pci_platform_power_transition(rinfo->pdev, PCI_D2);
} else {
printk(KERN_DEBUG "radeonfb (%s): switching to D0 state...\n",
pci_name(rinfo->pdev));
@@ -2609,8 +2610,9 @@ static void radeon_set_suspend(struct radeonfb_info *rinfo, int suspend)
}
}
-int radeonfb_pci_suspend(struct pci_dev *pdev, pm_message_t mesg)
+static int radeonfb_pci_suspend_late(struct device *dev, pm_message_t mesg)
{
+ struct pci_dev *pdev = to_pci_dev(dev);
struct fb_info *info = pci_get_drvdata(pdev);
struct radeonfb_info *rinfo = info->par;
@@ -2648,7 +2650,7 @@ int radeonfb_pci_suspend(struct pci_dev *pdev, pm_message_t mesg)
/* Sleep */
rinfo->asleep = 1;
rinfo->lock_blank = 1;
- del_timer_sync(&rinfo->lvds_timer);
+ timer_delete_sync(&rinfo->lvds_timer);
#ifdef CONFIG_PPC_PMAC
/* On powermac, we have hooks to properly suspend/resume AGP now,
@@ -2658,11 +2660,6 @@ int radeonfb_pci_suspend(struct pci_dev *pdev, pm_message_t mesg)
pmac_suspend_agp_for_card(pdev);
#endif /* CONFIG_PPC_PMAC */
- /* It's unclear whether or when the generic code will do that, so let's
- * do it ourselves. We save state before we do any power management
- */
- pci_save_state(pdev);
-
/* If we support wakeup from poweroff, we save all regs we can including cfg
* space
*/
@@ -2674,20 +2671,19 @@ int radeonfb_pci_suspend(struct pci_dev *pdev, pm_message_t mesg)
* it, we'll restore the dynamic clocks state on wakeup
*/
radeon_pm_disable_dynamic_mode(rinfo);
- mdelay(50);
+ msleep(50);
radeon_pm_save_regs(rinfo, 1);
if (rinfo->is_mobility && !(rinfo->pm_mode & radeon_pm_d2)) {
/* Switch off LVDS interface */
- mdelay(1);
+ usleep_range(1000, 2000);
OUTREG(LVDS_GEN_CNTL, INREG(LVDS_GEN_CNTL) & ~(LVDS_BL_MOD_EN));
- mdelay(1);
+ usleep_range(1000, 2000);
OUTREG(LVDS_GEN_CNTL, INREG(LVDS_GEN_CNTL) & ~(LVDS_EN | LVDS_ON));
OUTREG(LVDS_PLL_CNTL, (INREG(LVDS_PLL_CNTL) & ~30000) | 0x20000);
- mdelay(20);
+ msleep(20);
OUTREG(LVDS_GEN_CNTL, INREG(LVDS_GEN_CNTL) & ~(LVDS_DIGON));
}
- pci_disable_device(pdev);
}
/* If we support D2, we go to it (should be fixed later with a flag forcing
* D3 only for some laptops)
@@ -2703,6 +2699,21 @@ int radeonfb_pci_suspend(struct pci_dev *pdev, pm_message_t mesg)
return 0;
}
+static int radeonfb_pci_suspend(struct device *dev)
+{
+ return radeonfb_pci_suspend_late(dev, PMSG_SUSPEND);
+}
+
+static int radeonfb_pci_hibernate(struct device *dev)
+{
+ return radeonfb_pci_suspend_late(dev, PMSG_HIBERNATE);
+}
+
+static int radeonfb_pci_freeze(struct device *dev)
+{
+ return radeonfb_pci_suspend_late(dev, PMSG_FREEZE);
+}
+
static int radeon_check_power_loss(struct radeonfb_info *rinfo)
{
return rinfo->save_regs[4] != INPLL(CLK_PIN_CNTL) ||
@@ -2710,8 +2721,9 @@ static int radeon_check_power_loss(struct radeonfb_info *rinfo)
rinfo->save_regs[3] != INPLL(SCLK_CNTL);
}
-int radeonfb_pci_resume(struct pci_dev *pdev)
+static int radeonfb_pci_resume(struct device *dev)
{
+ struct pci_dev *pdev = to_pci_dev(dev);
struct fb_info *info = pci_get_drvdata(pdev);
struct radeonfb_info *rinfo = info->par;
int rc = 0;
@@ -2793,6 +2805,15 @@ int radeonfb_pci_resume(struct pci_dev *pdev)
return rc;
}
+const struct dev_pm_ops radeonfb_pci_pm_ops = {
+ .suspend = radeonfb_pci_suspend,
+ .resume = radeonfb_pci_resume,
+ .freeze = radeonfb_pci_freeze,
+ .thaw = radeonfb_pci_resume,
+ .poweroff = radeonfb_pci_hibernate,
+ .restore = radeonfb_pci_resume,
+};
+
#ifdef CONFIG_PPC__disabled
static void radeonfb_early_resume(void *data)
{
@@ -2840,8 +2861,8 @@ void radeonfb_pm_init(struct radeonfb_info *rinfo, int dynclk, int ignore_devlis
* in some desktop G4s), Via (M9+ chip on iBook G4) and
* Snowy (M11 chip on iBook G4 manufactured after July 2005)
*/
- if (!strcmp(rinfo->of_node->name, "ATY,JasperParent") ||
- !strcmp(rinfo->of_node->name, "ATY,SnowyParent")) {
+ if (of_node_name_eq(rinfo->of_node, "ATY,JasperParent") ||
+ of_node_name_eq(rinfo->of_node, "ATY,SnowyParent")) {
rinfo->reinit_func = radeon_reinitialize_M10;
rinfo->pm_mode |= radeon_pm_off;
}
@@ -2851,7 +2872,7 @@ void radeonfb_pm_init(struct radeonfb_info *rinfo, int dynclk, int ignore_devlis
rinfo->pm_mode |= radeon_pm_off;
}
#endif
- if (!strcmp(rinfo->of_node->name, "ATY,ViaParent")) {
+ if (of_node_name_eq(rinfo->of_node, "ATY,ViaParent")) {
rinfo->reinit_func = radeon_reinitialize_M9P;
rinfo->pm_mode |= radeon_pm_off;
}
generated by cgit (git 2.34.1) at 2025-12-26 07:43:22 +0000