diff options
| author | Kleber Sacilotto de Souza <klebers@linux.vnet.ibm.com> | 2013-05-03 19:43:13 -0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2013-05-29 12:36:12 -0400 |
| commit | 7e0e41963740525af702bb23edede8ae9afc4ac0 (patch) | |
| tree | b26034a6a42ea58d952f87e83e51c5e55d653d1c /drivers/gpu/drm/radeon/rv770.c | |
| parent | 50a583f64bfe53aae4996965c1d1b25d90ce4f64 (diff) | |
| download | linux-7e0e41963740525af702bb23edede8ae9afc4ac0.tar.bz2 | |
radeon: use max_bus_speed to activate gen2 speeds
radeon currently uses a drm function to get the speed capabilities for
the bus, drm_pcie_get_speed_cap_mask. However, this is a non-standard
method of performing this detection and this patch changes it to use
the max_bus_speed attribute.
From: Lucas Kannebley Tavares <lucaskt@linux.vnet.ibm.com>
Signed-off-by: Kleber Sacilotto de Souza <klebers@linux.vnet.ibm.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/rv770.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/rv770.c | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c index 3fc2985445ee..08aef24afe40 100644 --- a/drivers/gpu/drm/radeon/rv770.c +++ b/drivers/gpu/drm/radeon/rv770.c @@ -2111,8 +2111,6 @@ static void rv770_pcie_gen2_enable(struct radeon_device *rdev) { u32 link_width_cntl, lanes, speed_cntl, tmp; u16 link_cntl2; - u32 mask; - int ret; if (radeon_pcie_gen2 == 0) return; @@ -2127,11 +2125,8 @@ static void rv770_pcie_gen2_enable(struct radeon_device *rdev) if (ASIC_IS_X2(rdev)) return; - ret = drm_pcie_get_speed_cap_mask(rdev->ddev, &mask); - if (ret != 0) - return; - - if (!(mask & DRM_PCIE_SPEED_50)) + if ((rdev->pdev->bus->max_bus_speed != PCIE_SPEED_5_0GT) && + (rdev->pdev->bus->max_bus_speed != PCIE_SPEED_8_0GT)) return; DRM_INFO("enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0\n"); |