diff options
| author | Dave Airlie <airlied@redhat.com> | 2012-06-27 08:35:54 +0100 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2012-07-19 22:30:32 -0400 |
| commit | 197bbb3d464f33eac1b458e83c1929d2f268d4c9 (patch) | |
| tree | fdbbe5d8515307772fbce4ef30ff1d55300d8275 /drivers/gpu/drm/radeon/radeon_drv.c | |
| parent | f42977841f4a28b82820384fdb9b9581b410dbb1 (diff) | |
| download | blackbird-obmc-linux-197bbb3d464f33eac1b458e83c1929d2f268d4c9.tar.gz blackbird-obmc-linux-197bbb3d464f33eac1b458e83c1929d2f268d4c9.zip | |
drm/radeon/kms: auto detect pcie link speed from root port
This check the root ports supported link speeds and enables
GEN2 mode if the 5.0 GT link speed is available.
The first 3.0 cards are SI so they will probably need more investigation.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_drv.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_drv.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c index 2c4d53fd20c5..042fcfff3bc4 100644 --- a/drivers/gpu/drm/radeon/radeon_drv.c +++ b/drivers/gpu/drm/radeon/radeon_drv.c @@ -133,7 +133,7 @@ int radeon_tv = 1; int radeon_audio = 0; int radeon_disp_priority = 0; int radeon_hw_i2c = 0; -int radeon_pcie_gen2 = 0; +int radeon_pcie_gen2 = -1; int radeon_msi = -1; int radeon_lockup_timeout = 10000; @@ -179,7 +179,7 @@ module_param_named(disp_priority, radeon_disp_priority, int, 0444); MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)"); module_param_named(hw_i2c, radeon_hw_i2c, int, 0444); -MODULE_PARM_DESC(pcie_gen2, "PCIE Gen2 mode (1 = enable)"); +MODULE_PARM_DESC(pcie_gen2, "PCIE Gen2 mode (-1 = auto, 0 = disable, 1 = enable)"); module_param_named(pcie_gen2, radeon_pcie_gen2, int, 0444); MODULE_PARM_DESC(msi, "MSI support (1 = enable, 0 = disable, -1 = auto)"); |
