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author | Alex Deucher <alexander.deucher@amd.com> | 2013-06-26 00:15:24 -0400 |
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committer | Alex Deucher <alexander.deucher@amd.com> | 2013-06-27 19:15:44 -0400 |
commit | 6596afd48af4d07c8b454849b2fe7e628974f3ef (patch) | |
tree | 4a6a081ef0f3b6cc96afc36c65ff502129072bd1 /drivers/gpu/drm/radeon/btc_dpm.h | |
parent | dc50ba7f9a6d9a920409892c7f30bce266067345 (diff) | |
download | linux-6596afd48af4d07c8b454849b2fe7e628974f3ef.tar.bz2 |
drm/radeon/kms: add dpm support for btc (v3)
This adds dpm support for btc asics. This includes:
- clockgating
- dynamic engine clock scaling
- dynamic memory clock scaling
- dynamic voltage scaling
- dynamic pcie gen1/gen2 switching (requires additional acpi support)
Set radeon.dpm=1 to enable.
v2: reduce stack usage
v3: attempt to fix state enable
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/btc_dpm.h')
-rw-r--r-- | drivers/gpu/drm/radeon/btc_dpm.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/btc_dpm.h b/drivers/gpu/drm/radeon/btc_dpm.h new file mode 100644 index 000000000000..a095d4054fcb --- /dev/null +++ b/drivers/gpu/drm/radeon/btc_dpm.h @@ -0,0 +1,32 @@ +/* + * Copyright 2011 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ +#ifndef __BTC_DPM_H__ +#define __BTC_DPM_H__ + +#define BARTS_MGCGCGTSSMCTRL_DFLT 0x81944000 +#define TURKS_MGCGCGTSSMCTRL_DFLT 0x6e944000 +#define CAICOS_MGCGCGTSSMCTRL_DFLT 0x46944040 +#define BTC_CGULVPARAMETER_DFLT 0x00040035 +#define BTC_CGULVCONTROL_DFLT 0x00001450 + +#endif |