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| author | Alex Deucher <alexander.deucher@amd.com> | 2013-02-15 11:02:50 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2013-06-27 19:16:27 -0400 |
| commit | f52382d73e8b5bf8bc9e2faadab365d8c38c64a9 (patch) | |
| tree | 9141ef08f08c29da296e2b4b6ba8e1628cba3960 /drivers/gpu/drm/radeon/ni.c | |
| parent | 792edd69573da6d8981a82ec830e6257ead822d8 (diff) | |
| download | linux-f52382d73e8b5bf8bc9e2faadab365d8c38c64a9.tar.bz2 | |
drm/radeon: add support for ASPM on evergreen asics
Enables PCIE ASPM (Active State Power Management) on
evergreen-cayman asics.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/ni.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/ni.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c index ad65143232c0..cafc3bd78a38 100644 --- a/drivers/gpu/drm/radeon/ni.c +++ b/drivers/gpu/drm/radeon/ni.c @@ -173,6 +173,7 @@ extern void evergreen_irq_suspend(struct radeon_device *rdev); extern int evergreen_mc_init(struct radeon_device *rdev); extern void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev); extern void evergreen_pcie_gen2_enable(struct radeon_device *rdev); +extern void evergreen_program_aspm(struct radeon_device *rdev); extern void sumo_rlc_fini(struct radeon_device *rdev); extern int sumo_rlc_init(struct radeon_device *rdev); @@ -2076,6 +2077,8 @@ static int cayman_startup(struct radeon_device *rdev) /* enable pcie gen2 link */ evergreen_pcie_gen2_enable(rdev); + /* enable aspm */ + evergreen_program_aspm(rdev); if (rdev->flags & RADEON_IS_IGP) { if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) { |