[Nouveau] [PATCH 03/10] nouveau: disable output polling through suspend.

Maxim Levitsky maximlevitsky at gmail.com
Sun Oct 9 13:58:33 PDT 2011


Because doing polling while hardware is disabled is a bad idea...

Signed-off-by: Maxim Levitsky <maximlevitsky at gmail.com>
---
 drivers/gpu/drm/nouveau/nouveau_drv.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.c b/drivers/gpu/drm/nouveau/nouveau_drv.c
index 033cf3a..b404840 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drv.c
+++ b/drivers/gpu/drm/nouveau/nouveau_drv.c
@@ -183,6 +183,8 @@ nouveau_pci_suspend(struct pci_dev *pdev, pm_message_t pm_state)
 	if (dev->switch_power_state == DRM_SWITCH_POWER_OFF)
 		return 0;
 
+	drm_kms_helper_poll_disable(dev);
+
 	NV_INFO(dev, "Disabling fbcon acceleration...\n");
 	nouveau_fbcon_save_disable_accel(dev);
 
@@ -390,6 +392,7 @@ nouveau_pci_resume(struct pci_dev *pdev)
 	drm_helper_resume_force_mode(dev);
 
 	nouveau_fbcon_restore_accel(dev);
+	drm_kms_helper_poll_enable(dev);
 	return 0;
 }
 
-- 
1.7.4.1



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