diff options
author | Alex Deucher <alexander.deucher@amd.com> | 2013-07-31 18:32:33 -0400 |
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committer | Alex Deucher <alexander.deucher@amd.com> | 2013-08-07 17:37:10 -0400 |
commit | b841ce7b41ffbecf84285b381b3ac23f05256d31 (patch) | |
tree | 0649a5c0c58f91c824c88789e1e1ee3cad383e08 /drivers/gpu/drm/radeon/cypress_dpm.c | |
parent | fda837241f3680e5dc554c26e178c2deec7a039c (diff) | |
download | op-kernel-dev-b841ce7b41ffbecf84285b381b3ac23f05256d31.zip op-kernel-dev-b841ce7b41ffbecf84285b381b3ac23f05256d31.tar.gz |
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>
Diffstat (limited to 'drivers/gpu/drm/radeon/cypress_dpm.c')
-rw-r--r-- | drivers/gpu/drm/radeon/cypress_dpm.c | 14 |
1 files changed, 1 insertions, 13 deletions
diff --git a/drivers/gpu/drm/radeon/cypress_dpm.c b/drivers/gpu/drm/radeon/cypress_dpm.c index c840e07..7e5d0b5 100644 --- a/drivers/gpu/drm/radeon/cypress_dpm.c +++ b/drivers/gpu/drm/radeon/cypress_dpm.c @@ -2038,9 +2038,6 @@ int cypress_dpm_init(struct radeon_device *rdev) { struct rv7xx_power_info *pi; struct evergreen_power_info *eg_pi; - int index = GetIndexIntoMasterTable(DATA, ASIC_InternalSS_Info); - uint16_t data_offset, size; - uint8_t frev, crev; struct atom_clock_dividers dividers; int ret; @@ -2092,16 +2089,7 @@ int cypress_dpm_init(struct radeon_device *rdev) eg_pi->vddci_control = radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_VDDCI, 0); - if (atom_parse_data_header(rdev->mode_info.atom_context, index, &size, - &frev, &crev, &data_offset)) { - pi->sclk_ss = true; - pi->mclk_ss = true; - pi->dynamic_ss = true; - } else { - pi->sclk_ss = false; - pi->mclk_ss = false; - pi->dynamic_ss = true; - } + rv770_get_engine_memory_ss(rdev); pi->asi = RV770_ASI_DFLT; pi->pasi = CYPRESS_HASI_DFLT; |