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drm/amdgpu: support indirect access reg outside of mmio bar (v2)

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support both direct and indirect accessor in unified
helper functions.

v2: Retire indirect mmio access via mm_index/data

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Kevin Wang <kevin1.wang@amd.com>
Reviewed-by: Guchun Chen <guchun.chen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Hawking Zhang
2020-09-18 20:32:25 +08:00
committed by Alex Deucher
parent 705a2b5ba0
commit f7ee1874b0
4 changed files with 53 additions and 71 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
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@ -267,7 +267,7 @@ static int amdgpu_debugfs_process_reg_op(bool read, struct file *f,
} else {
r = get_user(value, (uint32_t *)buf);
if (!r)
amdgpu_mm_wreg_mmio_rlc(adev, *pos >> 2, value, 0);
amdgpu_mm_wreg_mmio_rlc(adev, *pos >> 2, value);
}
if (r) {
result = r;