提交 6863d607 编写于 作者: A Andrey Grodzovsky 提交者: Alex Deucher

drm/amdgpu: Wrap clflush_cache_range with x86 ifdef

To avoid compile errors on other platforms.
Signed-off-by: NAndrey Grodzovsky <andrey.grodzovsky@amd.com>
Reviewed-by: NAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>
上级 57430471
......@@ -1883,8 +1883,15 @@ static ssize_t psp_usbc_pd_fw_sysfs_write(struct device *dev,
memcpy_toio(cpu_addr, usbc_pd_fw->data, usbc_pd_fw->size);
/*TODO Remove once PSP starts snooping CPU cache */
/*
* x86 specific workaround.
* Without it the buffer is invisible in PSP.
*
* TODO Remove once PSP starts snooping CPU cache
*/
#ifdef CONFIG_X86
clflush_cache_range(cpu_addr, (usbc_pd_fw->size & ~(L1_CACHE_BYTES - 1)));
#endif
mutex_lock(&adev->psp.mutex);
ret = psp_load_usbc_pd_fw(&adev->psp, dma_addr);
......
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