diff options
author | Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 12:17:53 -0700 |
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committer | Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 15:44:42 -0700 |
commit | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (patch) | |
tree | 1c9cafbcd35f783a87880a10f85d1a060db1a563 /kernel/drivers/gpu/drm/gma500/gma_device.c | |
parent | 98260f3884f4a202f9ca5eabed40b1354c489b29 (diff) |
Add the rt linux 4.1.3-rt3 as base
Import the rt linux 4.1.3-rt3 as OPNFV kvm base.
It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and
the base is:
commit 0917f823c59692d751951bf5ea699a2d1e2f26a2
Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Sat Jul 25 12:13:34 2015 +0200
Prepare v4.1.3-rt3
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
We lose all the git history this way and it's not good. We
should apply another opnfv project repo in future.
Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423
Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>
Diffstat (limited to 'kernel/drivers/gpu/drm/gma500/gma_device.c')
-rw-r--r-- | kernel/drivers/gpu/drm/gma500/gma_device.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/kernel/drivers/gpu/drm/gma500/gma_device.c b/kernel/drivers/gpu/drm/gma500/gma_device.c new file mode 100644 index 000000000..4a295f9ba --- /dev/null +++ b/kernel/drivers/gpu/drm/gma500/gma_device.c @@ -0,0 +1,56 @@ +/************************************************************************** + * Copyright (c) 2011, Intel Corporation. + * All Rights Reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + **************************************************************************/ + +#include <drm/drmP.h> +#include "psb_drv.h" + +void gma_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, 0xD4, 0x00C32004);*/ + /*pci_write_config_dword(pci_root, 0xD0, 0xE0033000);*/ + + 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; + } +} |