From 7e0e41963740525af702bb23edede8ae9afc4ac0 Mon Sep 17 00:00:00 2001 From: Kleber Sacilotto de Souza Date: Fri, 3 May 2013 19:43:13 -0300 Subject: 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 Signed-off-by: Kleber Sacilotto de Souza Signed-off-by: Alex Deucher --- drivers/gpu/drm/radeon/rv770.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) (limited to 'drivers/gpu/drm/radeon/rv770.c') 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"); -- cgit v1.2.3