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authorYifan Zhang <yifan1.zhang@amd.com>2021-06-19 11:39:43 +0800
committerAlex Deucher <alexander.deucher@amd.com>2021-06-21 17:22:06 -0400
commitbaacf52a473b24e10322b67757ddb92ab8d86717 (patch)
tree614e907aa88d958014da320a278b82f720e97888 /drivers/gpu
parent4c6a23188e26339fd3dbc78e6ce6fe0fc4009553 (diff)
Revert "drm/amdgpu/gfx10: enlarge CP_MEC_DOORBELL_RANGE_UPPER to cover full doorbell."
This reverts commit 1c0b0efd148d5b24c4932ddb3fa03c8edd6097b3. 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.zhang@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c6
1 files changed, 1 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
index 327b1f8213a8..0597aeb5f0e8 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
@@ -6871,12 +6871,8 @@ 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,