[PATCH] drm/amdgpu: drop psp ih programming for sriov guest on navi

[Hawking Zhang]

the psp access ih path is not needed in navi

Signed-off-by: Hawking Zhang <hawking.zh...@amd.com>
Change-Id: Ib68bfb1b13e1cec03ec27bc9a867e2b37fc2fc8a
---
 drivers/gpu/drm/amd/amdgpu/navi10_ih.c | 18 ++----------------
 1 file changed, 2 insertions(+), 16 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/navi10_ih.c 
b/drivers/gpu/drm/amd/amdgpu/navi10_ih.c
index 060357625504..f4e4040bbd25 100644
--- a/drivers/gpu/drm/amd/amdgpu/navi10_ih.c
+++ b/drivers/gpu/drm/amd/amdgpu/navi10_ih.c
@@ -151,14 +151,7 @@ static int navi10_ih_toggle_ring_interrupts(struct 
amdgpu_device *adev,
        /* enable_intr field is only valid in ring0 */
        if (ih == &adev->irq.ih)
                tmp = REG_SET_FIELD(tmp, IH_RB_CNTL, ENABLE_INTR, (enable ? 1 : 
0));
-       if (amdgpu_sriov_vf(adev)) {
-               if (psp_reg_program(&adev->psp, ih_regs->psp_reg_id, tmp)) {
-                       dev_err(adev->dev, "PSP program IH_RB_CNTL failed!\n");
-                       return -ETIMEDOUT;
-               }
-       } else {
-               WREG32(ih_regs->ih_rb_cntl, tmp);
-       }
+       WREG32(ih_regs->ih_rb_cntl, tmp);
 
        if (enable) {
                ih->enabled = true;
@@ -268,14 +261,7 @@ static int navi10_ih_enable_ring(struct amdgpu_device 
*adev,
                tmp = REG_SET_FIELD(tmp, IH_RB_CNTL, WPTR_OVERFLOW_ENABLE, 0);
                tmp = REG_SET_FIELD(tmp, IH_RB_CNTL, RB_FULL_DRAIN_ENABLE, 1);
        }
-       if (amdgpu_sriov_vf(adev)) {
-               if (psp_reg_program(&adev->psp, ih_regs->psp_reg_id, tmp)) {
-                       dev_err(adev->dev, "PSP program IH_RB_CNTL failed!\n");
-                       return -ETIMEDOUT;
-               }
-       } else {
-               WREG32(ih_regs->ih_rb_cntl, tmp);
-       }
+       WREG32(ih_regs->ih_rb_cntl, tmp);
 
        if (ih == &adev->irq.ih) {
                /* set the ih ring 0 writeback address whether it's enabled or 
not */
-- 
2.17.1

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