diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2013-07-16 15:58:50 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2013-07-17 14:52:46 -0400 |
| commit | 1294d4a36d1e0dacfc37c1f269d78ff58f0cd8bc (patch) | |
| tree | 9a5afd468988672a58310fdcfbe14839672f28c0 /drivers/gpu/drm/radeon/rv770_dpm.c | |
| parent | d1ce3d5496f2a7c90dd00a9133572f931d2acdcc (diff) | |
drm/radeon: add a module parameter to disable aspm
Can cause hangs when enabled in certain motherboards.
Set radeon.aspm=0 to disable aspm.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/rv770_dpm.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/rv770_dpm.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/gpu/drm/radeon/rv770_dpm.c b/drivers/gpu/drm/radeon/rv770_dpm.c index d914e04ea39..2d347925f77 100644 --- a/drivers/gpu/drm/radeon/rv770_dpm.c +++ b/drivers/gpu/drm/radeon/rv770_dpm.c @@ -2099,12 +2099,14 @@ void rv770_dpm_setup_asic(struct radeon_device *rdev) rv770_enable_acpi_pm(rdev); - if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_ASPM_L0s) - rv770_enable_l0s(rdev); - if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_ASPM_L1) - rv770_enable_l1(rdev); - if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_TURNOFFPLL_ASPML1) - rv770_enable_pll_sleep_in_l1(rdev); + if (radeon_aspm != 0) { + if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_ASPM_L0s) + rv770_enable_l0s(rdev); + if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_ASPM_L1) + rv770_enable_l1(rdev); + if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_TURNOFFPLL_ASPML1) + rv770_enable_pll_sleep_in_l1(rdev); + } } void rv770_dpm_display_configuration_changed(struct radeon_device *rdev) |