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path: root/drivers/gpu/drm/radeon/evergreen.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/evergreen.c')
-rw-r--r--drivers/gpu/drm/radeon/evergreen.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index a1f49c5fd74b..219942c660d7 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -1330,6 +1330,8 @@ void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *sav
break;
udelay(1);
}
+ } else {
+ save->crtc_enabled[i] = false;
}
}
@@ -1372,7 +1374,7 @@ void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *s
WREG32(BIF_FB_EN, FB_READ_EN | FB_WRITE_EN);
for (i = 0; i < rdev->num_crtc; i++) {
- if (save->crtc_enabled) {
+ if (save->crtc_enabled[i]) {
if (ASIC_IS_DCE6(rdev)) {
tmp = RREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i]);
tmp |= EVERGREEN_CRTC_BLANK_DATA_EN;
@@ -3431,9 +3433,14 @@ void evergreen_pcie_gen2_enable(struct radeon_device *rdev)
if (!(mask & DRM_PCIE_SPEED_50))
return;
+ speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
+ if (speed_cntl & LC_CURRENT_DATA_RATE) {
+ DRM_INFO("PCIE gen 2 link speeds already enabled\n");
+ return;
+ }
+
DRM_INFO("enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0\n");
- speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
if ((speed_cntl & LC_OTHER_SIDE_EVER_SENT_GEN2) ||
(speed_cntl & LC_OTHER_SIDE_SUPPORTS_GEN2)) {