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path: root/drivers/gpu/drm/radeon/cypress_dpm.c
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2016-03-16drm/radeon: fix indentation.Jérome Glisse1-4/+4
I hate doing this but it hurts my eyes to go over code that does not comply with indentation rules. Only thing that is not only space change is in atom.c all other files are space indentation issues. Acked-by: Christian König <christian.koenig@amd.com> Signed-off-by: Jérôme Glisse <jglisse@redhat.com> Cc: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2015-01-22drm/radeon: comment out some currently unused eg dpm codeAlex Deucher1-0/+2
Keep it around for reference. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2014-10-16drm/radeon: reduce sparse false positive warningsMichele Curti1-0/+1
include radeon_asic.h header file in the various xxx_dpm.c files to reduce sparse false positive warnings. Not so great patch in itself, but reducing warning count from 391 to 258 may help to see real problems.. Signed-off-by: Michele Curti <michele.curti@gmail.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2014-07-01drm/radeon/dpm: fix typo in vddci setup for eg/btcAlex Deucher1-1/+1
We were using the vddc mask rather than the vddci mask. Bug: https://bugzilla.kernel.org/show_bug.cgi?id=79071 Possibly also fixes: https://bugzilla.kernel.org/show_bug.cgi?id=68571 Noticed-by: Jonathan Howard <jonathan@unbiased.name> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2014-02-18drm/radeon/dpm: move platform caps fetching to a separate functionAlex Deucher1-0/+4
It's needed by by both the asic specific functions and the extended table parser. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-12-24drm/radeon/dpm: switch on new late_enable callbackAlex Deucher1-15/+0
Right now it's called right after enable, but after reworking the dpm init order, it will get called later to accomodate loading the smc early, but enabling thermal interrupts and block powergating later after the ring tests are complete. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-11-15drm/radeon: cypress_dpm: Fix unused variable warning when CONFIG_ACPI=nAlex Deucher1-0/+2
With CONFIG_ACPI=n the following build warning is seen: drivers/gpu/drm/radeon/cypress_dpm.c:302:31: warning: unused variable 'eg_pi' [-Wunused-variable] Protect eg_pi with CONFIG_ACPI. Based on patch from: Fabio Estevam <fabio.estevam@freescale.com> but doesn't mix allocation and code. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-09-15drm/radeon/dpm: rework auto performance level enableAlex Deucher1-6/+0
Calling force_performance_level() from set_power_state() doesn't work on some asics because the current power state pointer has not been properly updated at that point. Move the calls to force_performance_level() out of the asic specific set_power_state() functions and into the main power state sequence. Fixes dpm resume on SI. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-08-30drm/radeon/dpm: adjust the vblank time checks for eg, ni, siAlex Deucher1-1/+2
According to the internal teams, we never hit the limit for mclk switching on these asics, so we can disable the check. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-08-07drm/radeon/dpm: fix spread spectrum setup (v2)Alex Deucher1-13/+1
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>
2013-08-07drm/radeon/dpm: adjust thermal protection requirementsAlex Deucher1-2/+1
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>
2013-07-08drm/radeon/dpm: implement vblank_too_short callback for evergreenAlex Deucher1-0/+13
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>
2013-07-05drm/radeon/dpm: implement force performance levels for 7xx/eg/btcAlex Deucher1-2/+2
Allows you to limit the selected power levels via sysfs. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-06-27add dpm_set_power_state failure output (7xx-ni)Alex Deucher1-1/+3
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-06-27drm/radeon/dpm: add dpm_set_power_state failure output (7xx-ni)Alex Deucher1-8/+18
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-06-27drm/radeon/dpm: add dpm_enable failure output (7xx-ni)Alex Deucher1-10/+21
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-06-27drm/radeon/dpm/evergreen: properly catch errors in dpm setupAlex Deucher1-21/+56
We weren't properly catching errors in dpm_enable() and dpm_set_power_state(). Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-06-27drm/radeon/dpm: add an enum for pcie gen selectionAlex Deucher1-9/+13
This makes it easier the understand what the code is doing. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-06-27drm/radeon: update radeon_atom_get_voltage_table() for SIAlex Deucher1-2/+2
SI uses a new atom table revision. Required for DPM on SI. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-06-27drm/radeon: update radeon_atom_is_voltage_gpio() for SIAlex Deucher1-3/+3
SI uses a new atom table. Required for DPM on SI. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-06-27drm/radeon/dpm/evergreen: restructure codeAlex Deucher1-30/+32
Needed to properly handle dynamic state adjustment. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-06-27drm/radeon/dpm/rv7xx: restructure codeAlex Deucher1-2/+4
Needed to properly handle dynamic state adjustment. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-06-27drm/radeon/kms: add dpm support for cayman (v5)Alex Deucher1-7/+4
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>
2013-06-27drm/radeon: add dpm UVD handling for evergreen/btc asicsAlex Deucher1-1/+9
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-06-27drm/radeon/kms: add dpm support for evergreen (v4)Alex Deucher1-0/+2105
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>
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