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authorSean Paul <seanpaul@chromium.org>2017-05-18 09:24:30 -0400
committerSean Paul <seanpaul@chromium.org>2017-05-18 09:24:30 -0400
commit6b7781b42dc9bc9bcd1523b6c24b876cdda0bef3 (patch)
treeee55c67e4ea30b9eb44f301ba0bde2e631a26162 /drivers/gpu/drm/amd/amdgpu/mxgpu_vi.c
parent52d9d38c183bf0e09601d875ea31bb53c05dd8cf (diff)
parente98c58e55f68f8785aebfab1f8c9a03d8de0afe1 (diff)
Merge remote-tracking branch 'airlied/drm-next' into drm-misc-next
Picking up drm-next @ 4.12-rc1 in order to apply Michal Hocko's vmalloc patch set Signed-off-by: Sean Paul <seanpaul@chromium.org>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/mxgpu_vi.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/mxgpu_vi.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/mxgpu_vi.c b/drivers/gpu/drm/amd/amdgpu/mxgpu_vi.c
index 70a3dd13cb02..7bdc51b02326 100644
--- a/drivers/gpu/drm/amd/amdgpu/mxgpu_vi.c
+++ b/drivers/gpu/drm/amd/amdgpu/mxgpu_vi.c
@@ -368,9 +368,12 @@ static int xgpu_vi_mailbox_rcv_msg(struct amdgpu_device *adev,
u32 reg;
u32 mask = REG_FIELD_MASK(MAILBOX_CONTROL, RCV_MSG_VALID);
- reg = RREG32_NO_KIQ(mmMAILBOX_CONTROL);
- if (!(reg & mask))
- return -ENOENT;
+ /* workaround: host driver doesn't set VALID for CMPL now */
+ if (event != IDH_FLR_NOTIFICATION_CMPL) {
+ reg = RREG32_NO_KIQ(mmMAILBOX_CONTROL);
+ if (!(reg & mask))
+ return -ENOENT;
+ }
reg = RREG32_NO_KIQ(mmMAILBOX_MSGBUF_RCV_DW0);
if (reg != event)