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drm/nouveau: re-jig fbcon suspend/resume process a little 

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
hifive-unleashed-5.1
Ben Skeggs 2011-11-09 14:31:16 +10:00
parent 2a44e4997c
commit cf41d53bf5
2 changed files with 13 additions and 16 deletions
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22
drivers/gpu/drm/nouveau/nouveau_drv.c
View File

@ -180,8 +180,8 @@ nouveau_pci_suspend(struct pci_dev *pdev, pm_message_t pm_state)
drm_kms_helper_poll_disable(dev);
NV_INFO(dev, "Disabling fbcon acceleration...\n");
nouveau_fbcon_save_disable_accel(dev);
NV_INFO(dev, "Disabling fbcon...\n");
nouveau_fbcon_set_suspend(dev, 1);
NV_INFO(dev, "Unpinning framebuffer(s)...\n");
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
@ -248,10 +248,6 @@ nouveau_pci_suspend(struct pci_dev *pdev, pm_message_t pm_state)
pci_set_power_state(pdev, PCI_D3hot);
}
console_lock();
nouveau_fbcon_set_suspend(dev, 1);
console_unlock();
nouveau_fbcon_restore_accel(dev);
return 0;
out_abort:
@ -277,8 +273,6 @@ nouveau_pci_resume(struct pci_dev *pdev)
if (dev->switch_power_state == DRM_SWITCH_POWER_OFF)
return 0;
nouveau_fbcon_save_disable_accel(dev);
NV_INFO(dev, "We're back, enabling device...\n");
pci_set_power_state(pdev, PCI_D0);
pci_restore_state(pdev);
@ -360,7 +354,11 @@ nouveau_pci_resume(struct pci_dev *pdev)
NV_ERROR(dev, "Could not pin/map cursor.\n");
}
nouveau_fbcon_set_suspend(dev, 0);
nouveau_fbcon_zfill_all(dev);
engine->display.init(dev);
drm_kms_helper_poll_enable(dev);
/* Force CLUT to get re-loaded during modeset */
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
@ -369,12 +367,6 @@ nouveau_pci_resume(struct pci_dev *pdev)
nv_crtc->lut.depth = 0;
}
console_lock();
nouveau_fbcon_set_suspend(dev, 0);
console_unlock();
nouveau_fbcon_zfill_all(dev);
drm_helper_resume_force_mode(dev);
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
@ -386,8 +378,6 @@ nouveau_pci_resume(struct pci_dev *pdev)
nv_crtc->cursor_saved_y);
}
nouveau_fbcon_restore_accel(dev);
drm_kms_helper_poll_enable(dev);
return 0;
}

7
drivers/gpu/drm/nouveau/nouveau_fbcon.c
View File

@ -36,6 +36,7 @@
#include <linux/init.h>
#include <linux/screen_info.h>
#include <linux/vga_switcheroo.h>
#include <linux/console.h>
#include "drmP.h"
#include "drm.h"
@ -548,7 +549,13 @@ void nouveau_fbcon_restore_accel(struct drm_device *dev)
void nouveau_fbcon_set_suspend(struct drm_device *dev, int state)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
console_lock();
if (state == 0)
nouveau_fbcon_save_disable_accel(dev);
fb_set_suspend(dev_priv->nfbdev->helper.fbdev, state);
if (state == 1)
nouveau_fbcon_restore_accel(dev);
console_unlock();
}
void nouveau_fbcon_zfill_all(struct drm_device *dev)