[PATCH] drm/amd/amdgpu: disable GFXOFF around debugfs access to MMIO

[Tom St Denis]

Signed-off-by: Tom St Denis <tom.stde...@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
index 7379910790c9..66f763300c96 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
@@ -169,6 +169,7 @@ static int  amdgpu_debugfs_process_reg_op(bool read, struct 
file *f,
        if (pm_pg_lock)
                mutex_lock(&adev->pm.mutex);
 
+       amdgpu_gfx_off_ctrl(adev, false);
        while (size) {
                uint32_t value;
 
@@ -192,6 +193,8 @@ static int  amdgpu_debugfs_process_reg_op(bool read, struct 
file *f,
        }
 
 end:
+       amdgpu_gfx_off_ctrl(adev, true);
+
        if (use_bank) {
                amdgpu_gfx_select_se_sh(adev, 0xffffffff, 0xffffffff, 
0xffffffff);
                mutex_unlock(&adev->grbm_idx_mutex);
-- 
2.24.1

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