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authorYifan Zhang <yifan1.zhang@amd.com>2021-06-19 11:40:54 +0800
committerAlex Deucher <alexander.deucher@amd.com>2021-06-21 17:44:16 -0400
commit962f2f1ae273399e357a3192d5413ca57f9b4885 (patch)
tree6b136141dbefd14b95cf67aedf934f908bf70656 /drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
parentRevert "drm/amdgpu/gfx10: enlarge CP_MEC_DOORBELL_RANGE_UPPER to cover full doorbell." (diff)
downloadwireguard-linux-962f2f1ae273399e357a3192d5413ca57f9b4885.tar.xz
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Revert "drm/amdgpu/gfx9: fix the doorbell missing when in CGPG issue."
This reverts commit 631003101c516ea29a74aee59666708857b9a805. 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>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c6
1 files changed, 1 insertions, 5 deletions
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,