drm/amd/amdgpu: Fix debugfs wave reader (5ecfb3b8) · Commits · 戴 / test

On non VI/CZ platforms it would not free the grbm index lock. Reviewed-by:

drivers/gpu/drm/amd/amdgpu/amdgpu_device.c

+3 −2

Original line number	Diff line number	Diff line
		@@ -2958,13 +2958,14 @@ static ssize_t amdgpu_debugfs_wave_read(struct file f, char __user buf,
		data[x++] = wave_read_ind(adev, 0x2378, 0x2379, simd, wave, 0x14);
		data[x++] = wave_read_ind(adev, 0x2378, 0x2379, simd, wave, 0x1A);
		data[x++] = wave_read_ind(adev, 0x2378, 0x2379, simd, wave, 0x1B);
		} else {
		return -EINVAL;
		}

		amdgpu_gfx_select_se_sh(adev, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF);
		mutex_unlock(&adev->grbm_idx_mutex);

		if (!x)
		return -EINVAL;

		while (size && (pos < x 4)) {
		uint32_t value;