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>
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c
index ad65143..cafc3bd 100644
--- a/drivers/gpu/drm/radeon/ni.c
+++ b/drivers/gpu/drm/radeon/ni.c
@@ -173,6 +173,7 @@
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 @@
/* 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) {