drm/amdgpu: add HDP asic callbacks for SI
Needed to flush and invalidate the HDP block using the CPU. Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Samuel Li <Samuel.Li@amd.com>
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@ -1230,6 +1230,18 @@ static void si_detect_hw_virtualization(struct amdgpu_device *adev)
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adev->virt.caps |= AMDGPU_PASSTHROUGH_MODE;
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}
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static void si_flush_hdp(struct amdgpu_device *adev)
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{
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WREG32(mmHDP_MEM_COHERENCY_FLUSH_CNTL, 1);
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RREG32(mmHDP_MEM_COHERENCY_FLUSH_CNTL);
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}
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static void si_invalidate_hdp(struct amdgpu_device *adev)
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{
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WREG32(mmHDP_DEBUG0, 1);
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RREG32(mmHDP_DEBUG0);
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}
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static const struct amdgpu_asic_funcs si_asic_funcs =
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{
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.read_disabled_bios = &si_read_disabled_bios,
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@ -1241,6 +1253,8 @@ static const struct amdgpu_asic_funcs si_asic_funcs =
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.set_uvd_clocks = &si_set_uvd_clocks,
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.set_vce_clocks = NULL,
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.get_config_memsize = &si_get_config_memsize,
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.flush_hdp = &si_flush_hdp,
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.invalidate_hdp = &si_invalidate_hdp,
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};
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static uint32_t si_get_rev_id(struct amdgpu_device *adev)
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