提交 dd8d07f2 编写于 作者: A Alex Deucher

drm/amdgpu: add HDP asic callbacks for VI

Needed to flush and invalidate the HDP block using the CPU.
Reviewed-by: NChristian König <christian.koenig@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: NSamuel Li <Samuel.Li@amd.com>
上级 13854c60
无相关合并请求
......@@ -856,6 +856,18 @@ static uint32_t vi_get_rev_id(struct amdgpu_device *adev)
>> PCIE_EFUSE4__STRAP_BIF_ATI_REV_ID__SHIFT;
}
static void vi_flush_hdp(struct amdgpu_device *adev)
{
WREG32(mmHDP_MEM_COHERENCY_FLUSH_CNTL, 1);
RREG32(mmHDP_MEM_COHERENCY_FLUSH_CNTL);
}
static void vi_invalidate_hdp(struct amdgpu_device *adev)
{
WREG32(mmHDP_DEBUG0, 1);
RREG32(mmHDP_DEBUG0);
}
static const struct amdgpu_asic_funcs vi_asic_funcs =
{
.read_disabled_bios = &vi_read_disabled_bios,
......@@ -867,6 +879,8 @@ static const struct amdgpu_asic_funcs vi_asic_funcs =
.set_uvd_clocks = &vi_set_uvd_clocks,
.set_vce_clocks = &vi_set_vce_clocks,
.get_config_memsize = &vi_get_config_memsize,
.flush_hdp = &vi_flush_hdp,
.invalidate_hdp = &vi_invalidate_hdp,
};
#define CZ_REV_BRISTOL(rev) \
......
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