Revert "drm/amdgpu/gfx9: fix the doorbell missing when in CGPG issue."
Revert "drm/amdgpu/gfx10: enlarge CP_MEC_DOORBELL_RANGE_UPPER to cover full 
doorbell."

This revert commits:
a3b4cfb09aa9e73cc48caff77efc161a396aeddb.
feae47198886d0df7b43876916a0e4366f159b45

Reason for revert: side effect of enlarging CP_MEC_DOORBELL_RANGE may
cause some APUs fail to enter gfxoff in certain user cases.

Signed-off-by: Yifan Zhang <yifan1.zh...@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | 6 +-----
 drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c  | 6 +-----
 2 files changed, 2 insertions(+), 10 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c 
b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
index 7bfe6f9d3a52..15ae9e33b925 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
@@ -6974,12 +6974,8 @@ static int gfx_v10_0_kiq_init_register(struct 
amdgpu_ring *ring)
        if (ring->use_doorbell) {
                WREG32_SOC15(GC, 0, mmCP_MEC_DOORBELL_RANGE_LOWER,
                        (adev->doorbell_index.kiq * 2) << 2);
-               /* If GC has entered CGPG, ringing doorbell > first page doesn't
-                * wakeup GC. Enlarge CP_MEC_DOORBELL_RANGE_UPPER to workaround
-                * this issue.
-                */
                WREG32_SOC15(GC, 0, mmCP_MEC_DOORBELL_RANGE_UPPER,
-                       (adev->doorbell.size - 4));
+                       (adev->doorbell_index.userqueue_end * 2) << 2);
        }
 
        WREG32_SOC15(GC, 0, mmCP_HQD_PQ_DOORBELL_CONTROL,
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c 
b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index 922420a2c102..044076ec1d03 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -3675,12 +3675,8 @@ static int gfx_v9_0_kiq_init_register(struct amdgpu_ring 
*ring)
        if (ring->use_doorbell) {
                WREG32_SOC15(GC, 0, mmCP_MEC_DOORBELL_RANGE_LOWER,
                                        (adev->doorbell_index.kiq * 2) << 2);
-               /* If GC has entered CGPG, ringing doorbell > first page doesn't
-                * wakeup GC. Enlarge CP_MEC_DOORBELL_RANGE_UPPER to workaround
-                * this issue.
-                */
                WREG32_SOC15(GC, 0, mmCP_MEC_DOORBELL_RANGE_UPPER,
-                                       (adev->doorbell.size - 4));
+                                       (adev->doorbell_index.userqueue_end * 
2) << 2);
        }
 
        WREG32_SOC15_RLC(GC, 0, mmCP_HQD_PQ_DOORBELL_CONTROL,
-- 
2.25.1

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