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| 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/si.c | |
| parent | uvesafb: Really allow mtrr being 0, as documented and warn()ed (diff) | |
| download | linux-dev-1294d4a36d1e0dacfc37c1f269d78ff58f0cd8bc.tar.xz linux-dev-1294d4a36d1e0dacfc37c1f269d78ff58f0cd8bc.zip | |
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/si.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/si.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c index d3f05076f385..d325280e2f9f 100644 --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c @@ -7053,6 +7053,9 @@ static void si_program_aspm(struct radeon_device *rdev) bool disable_l0s = false, disable_l1 = false, disable_plloff_in_l1 = false; bool disable_clkreq = false; + if (radeon_aspm == 0) + return; + if (!(rdev->flags & RADEON_IS_PCIE)) return; |