Commit 13854c60 authored by Alex Deucher's avatar Alex Deucher

drm/amdgpu: add HDP asic callbacks for CIK

Needed to flush and invalidate the HDP block using the CPU.
Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarSamuel Li <Samuel.Li@amd.com>
parent 2d5e0807
......@@ -1715,6 +1715,18 @@ static void cik_detect_hw_virtualization(struct amdgpu_device *adev)
adev->virt.caps |= AMDGPU_PASSTHROUGH_MODE;
}
static void cik_flush_hdp(struct amdgpu_device *adev)
{
WREG32(mmHDP_MEM_COHERENCY_FLUSH_CNTL, 1);
RREG32(mmHDP_MEM_COHERENCY_FLUSH_CNTL);
}
static void cik_invalidate_hdp(struct amdgpu_device *adev)
{
WREG32(mmHDP_DEBUG0, 1);
RREG32(mmHDP_DEBUG0);
}
static const struct amdgpu_asic_funcs cik_asic_funcs =
{
.read_disabled_bios = &cik_read_disabled_bios,
......@@ -1726,6 +1738,8 @@ static const struct amdgpu_asic_funcs cik_asic_funcs =
.set_uvd_clocks = &cik_set_uvd_clocks,
.set_vce_clocks = &cik_set_vce_clocks,
.get_config_memsize = &cik_get_config_memsize,
.flush_hdp = &cik_flush_hdp,
.invalidate_hdp = &cik_invalidate_hdp,
};
static int cik_common_early_init(void *handle)
......
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