Commit Graph

25 Commits

Author SHA1 Message Date
Alex Deucher b841ce7b41 drm/radeon/dpm: fix spread spectrum setup (v2)
Need to check for engine and memory clock ss separately
and only enable dynamic ss if either of them are found.

This should fix systems which have a ss table, but do
not have entries for engine or memory.  On those systems
we may enable dynamic spread spectrum without enabling
it on the engine or memory clocks which can lead to a
hang in some cases.

fixes some systems reported here:
https://bugs.freedesktop.org/show_bug.cgi?id=66963

v2: fix typo

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-08-07 17:37:10 -04:00
Alex Deucher fda837241f drm/radeon/dpm: adjust thermal protection requirements
On rv770 and newer, clock gating is not required
for thermal protection.  The only requirement is that
the design utilizes a thermal sensor.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-08-07 17:37:09 -04:00
Alex Deucher f86d0269b4 drm/radeon/dpm: fix forcing performance state to low on cayman
Need to program EnabledLevels to 1 to force the low state.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-07-29 18:14:40 -04:00
Alex Deucher 76ad73e549 drm/radeon/dpm: implement vblank_too_short callback for cayman
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 17:41:01 -04:00
Alex Deucher 170a47f010 drm/radeon/dpm: implement force performance level for cayman
Allows you to force a performance level via sysfs.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-07-05 18:09:38 -04:00
Mike Lothian bf0936e196 drm/radeon/dpm: fix compilation with certain versions of gcc
Add #include <linux/seq_file.h> to *_dpm.c files

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-07-02 18:32:01 -04:00
Alex Deucher bdf0c4f07d drm/radeon/dpm: add debugfs support for cayman
This allows you to look at the current DPM state via
debugfs.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-07-01 16:08:57 -04:00
Alex Deucher 7ad8d0687b drm/radeon/dpm: re-enable state transitions for Cayman
Was disabled due to stability issues on certain boards
caused by the a bug in the parsing of the atom mc reg tables.
That's fixed now so re-enable.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-07-01 16:07:18 -04:00
Alex Deucher 728cf6bb4d drm/radeon/NI: fix TDP adjustment in set_power_state
Fixes hangs with DPM in some cases.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-06-27 19:40:15 -04:00
Alex Deucher d434e81e59 drm/radeon/dpm: fix UVD clock setting on cayman
The rv770 version was using the wrong power state type.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-06-27 19:40:13 -04:00
Alex Deucher 71de795c6c drm/radeon: fix typo in ni_print_power_state
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-06-27 19:40:11 -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 a9e6141092 drm/radeon/kms: add dpm support for SI (v7)
This adds dpm support for SI asics.  This includes:
- dynamic engine clock scaling
- dynamic memory clock scaling
- dynamic voltage scaling
- dynamic pcie gen1/gen2/gen3 switching
- power containment
- shader power scaling

Set radeon.dpm=1 to enable.

v2: enable hainan support, rebase
v3: guard acpi stuff
v4: fix 64 bit math
v5: fix 64 bit div harder
v6: fix thermal interrupt check noticed by Jerome
v7: attempt fix state enable

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-06-27 19:40:05 -04:00
Alex Deucher 79fb809a5d drm/radeon/dpm/ni: 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 19:16:44 -04:00
Alex Deucher 2abba66e7a drm/radeon: update radeon_atombios_get_default_voltages for mvdd
Add a way to look up the bootup mvdd.  Required for DPM on SI.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-06-27 19:16:40 -04:00
Alex Deucher 4489cd62e5 drm/radeon/dpm: validate voltages against dispclk requirements
Validate the voltages against the voltage requirements of the
dispclk.  We currently don't adjust the disp clock so it never
changes, but we need to filter out voltage levels that are too
low none the less.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-06-27 19:16:39 -04:00
Alex Deucher b253e4b359 drm/radeon/dpm/cayman: use new fixed point functions (v2)
Use the new fixed point functions for leakage
calculations on cayman.

v2: fix up 64 bit math

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-06-27 19:16:38 -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 a5b91af2e2 drm/radeon: add missing UVD clock set in cayman dpm code
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-06-27 19:16:21 -04:00
Alex Deucher fee3d744bf drm/radeon/dpm: add pre/post_set_power_state callback (cayman)
This properly implemented dynamic state adjustment by
using a working copy of the requested and current
power states.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-06-27 19:16:20 -04:00
Alex Deucher 51a8de029b drm/radeon/dpm/cayman: restructure code
Needed to properly handle dynamic state adjustment.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-06-27 19:16:14 -04:00
Alex Deucher 4cb3a02f88 drm/radeon/dpm/btc: restructure code
Needed to properly handle dynamic state adjustment.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-06-27 19:16:14 -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