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14 Commits

Author SHA1 Message Date
Alex Deucher
d0b54bdc93 drm/radeon/dpm: implement vblank_too_short callback for evergreen 
Check if we can switch the mclk during the vblank time otherwise
we may get artifacts on the screen when the mclk changes.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
 2013-07-08 17:40:42 -04:00
Alex Deucher
8b5e6b7f0e drm/radeon/dpm: implement force performance levels for 7xx/eg/btc 
Allows you to limit the selected power levels via sysfs.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
 2013-07-05 18:09:30 -04:00
Alex Deucher
173dbb0ef6 add dpm_set_power_state failure output (7xx-ni) 
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
 2013-06-27 19:40:08 -04:00
Alex Deucher
72dd2c54ee drm/radeon/dpm: add dpm_set_power_state failure output (7xx-ni) 
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
 2013-06-27 19:40:07 -04:00
Alex Deucher
fa4b5471bd drm/radeon/dpm: add dpm_enable failure output (7xx-ni) 
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
 2013-06-27 19:40:05 -04:00
Alex Deucher
1f67df4df7 drm/radeon/dpm/evergreen: properly catch errors in dpm setup 
We weren't properly catching errors in dpm_enable()
and dpm_set_power_state().

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
 2013-06-27 19:16:47 -04:00
Alex Deucher
32ce4652dc drm/radeon/dpm: add an enum for pcie gen selection 
This makes it easier the understand what the code is
doing.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
 2013-06-27 19:16:33 -04:00
Alex Deucher
6517194417 drm/radeon: update radeon_atom_get_voltage_table() for SI 
SI uses a new atom table revision.  Required for DPM on SI.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
 2013-06-27 19:16:25 -04:00
Alex Deucher
58653abdd2 drm/radeon: update radeon_atom_is_voltage_gpio() for SI 
SI uses a new atom table.  Required for DPM on SI.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
 2013-06-27 19:16:24 -04:00
Alex Deucher
dbc3416024 drm/radeon/dpm/evergreen: restructure code 
Needed to properly handle dynamic state adjustment.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
 2013-06-27 19:16:13 -04:00
Alex Deucher
5d77d77641 drm/radeon/dpm/rv7xx: restructure code 
Needed to properly handle dynamic state adjustment.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
 2013-06-27 19:16:12 -04:00
Alex Deucher
69e0b57a91 drm/radeon/kms: add dpm support for cayman (v5) 
This adds dpm support for cayman asics.  This includes:
- clockgating
- dynamic engine clock scaling
- dynamic memory clock scaling
- dynamic voltage scaling
- dynamic pcie gen1/gen2 switching (requires additional acpi support)
- power containment
- shader power scaling

Set radeon.dpm=1 to enable.

v2: fold in tdp fix
v3: fix indentation
v4: fix 64 bit div
v5: attempt to fix state enable

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
 2013-06-27 19:16:10 -04:00
Alex Deucher
f85392bcf9 drm/radeon: add dpm UVD handling for evergreen/btc asics 
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
 2013-06-27 19:15:47 -04:00
Alex Deucher
dc50ba7f9a drm/radeon/kms: add dpm support for evergreen (v4) 
This adds dpm support for evergreen 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, rename ulv struct
v3: fix thermal interrupt check notices by Jerome
v4: fix state enable

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
 2013-06-27 19:15:22 -04:00