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| author | Takashi Iwai <tiwai@suse.de> | 2012-10-30 11:08:25 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2012-10-30 11:08:25 +0100 |
| commit | a5d00dc3a4b65ed38249f3225e453944c633747b (patch) | |
| tree | 6249ca5a5f13059f42890525a9ea7133778f3891 /drivers/gpu/drm/radeon/evergreen.c | |
| parent | 1a8506d4402b6e96c2ed778dc7ccbb48d1e02fce (diff) | |
| parent | 0914f7961babbf28aaa2f19b453951fb4841c03f (diff) | |
Merge branch 'for-linus' into for-next
... for migrating the core changes for USB-audio disconnection fixes
Diffstat (limited to 'drivers/gpu/drm/radeon/evergreen.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/evergreen.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index a1f49c5fd74b..14313ad43b76 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -3431,9 +3431,14 @@ void evergreen_pcie_gen2_enable(struct radeon_device *rdev) if (!(mask & DRM_PCIE_SPEED_50)) return; + speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL); + if (speed_cntl & LC_CURRENT_DATA_RATE) { + DRM_INFO("PCIE gen 2 link speeds already enabled\n"); + return; + } + DRM_INFO("enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0\n"); - speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL); if ((speed_cntl & LC_OTHER_SIDE_EVER_SENT_GEN2) || (speed_cntl & LC_OTHER_SIDE_SUPPORTS_GEN2)) { |