Looks like the same pcie gen2 speed initialization for
Evergreen also works on Cayman and seems to come up fine,
so enable it if the module parameter says so
Signed-off-by: Ilija Hadzic <ihadzic at research.bell-labs.com>
---
drivers/gpu/drm/radeon/evergreen.c | 4 ++--
drivers/gpu/drm/radeon/ni.c | 4 ++++
2 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/radeon/evergreen.c
b/drivers/gpu/drm/radeon/evergreen.c
index 208b59c..d843a57 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -39,7 +39,7 @@
static void evergreen_gpu_init(struct radeon_device *rdev);
void evergreen_fini(struct radeon_device *rdev);
-static void evergreen_pcie_gen2_enable(struct radeon_device *rdev);
+void evergreen_pcie_gen2_enable(struct radeon_device *rdev);
void evergreen_pre_page_flip(struct radeon_device *rdev, int crtc)
{
@@ -3233,7 +3233,7 @@ void evergreen_fini(struct radeon_device *rdev)
rdev->bios = NULL;
}
-static void evergreen_pcie_gen2_enable(struct radeon_device *rdev)
+void evergreen_pcie_gen2_enable(struct radeon_device *rdev)
{
u32 link_width_cntl, speed_cntl;
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c
index 2a7bdf1..38205ef 100644
--- a/drivers/gpu/drm/radeon/ni.c
+++ b/drivers/gpu/drm/radeon/ni.c
@@ -39,6 +39,7 @@ extern int evergreen_mc_wait_for_idle(struct radeon_device
*rdev);
extern void evergreen_mc_program(struct radeon_device *rdev);
extern void evergreen_irq_suspend(struct radeon_device *rdev);
extern int evergreen_mc_init(struct radeon_device *rdev);
+extern void evergreen_pcie_gen2_enable(struct radeon_device *rdev);
#define EVERGREEN_PFP_UCODE_SIZE 1120
#define EVERGREEN_PM4_UCODE_SIZE 1376
@@ -1378,6 +1379,9 @@ static int cayman_startup(struct radeon_device *rdev)
{
int r;
+ /* enable pcie gen2 link */
+ evergreen_pcie_gen2_enable(rdev);
+
if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) {
r = ni_init_microcode(rdev);
if (r) {
--
1.7.6
