Messages in this thread Patch in this message | | | From | Jesse Barnes <> | Subject | [PATCH] enable bus mastering on i915 at resume time | Date | Tue, 24 Jun 2008 10:38:31 -0700 |
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From: Jie Luo <clotho67@gmail.com>
On 9xx chips, bus mastering needs to be enabled at resume time for much of the chip to function. With this patch, vblank interrupts will work as expected on resume, along with other chip functions. Fixes kernel bugzilla #10844.
Signed-off-by: Jie Luo <clotho67@gmail.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
--- drivers/char/drm/i915_drv.c 2008-06-20 15:35:50.000000000 +0800 +++ drivers/char/drm/i915_drv.c.new 2008-06-20 15:35:35.000000000 +0800 @@ -385,6 +385,7 @@ static int i915_resume(struct drm_device pci_restore_state(dev->pdev); if (pci_enable_device(dev->pdev)) return -1; + pci_set_master(dev->pdev); pci_write_config_byte(dev->pdev, LBB, dev_priv->saveLBB);
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