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| author | Alex Deucher <alexander.deucher@amd.com> | 2017-09-07 01:05:43 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-02-19 22:17:12 +0300 |
| commit | 2d5e0807edf3a3ff44e52ab8ab3cfd675f6c8dad (patch) | |
| tree | 92524d92c361f9a92e8fbdd579eaaf07c0c5b32e /drivers/gpu/drm/amd/amdgpu/si.c | |
| parent | 2df1b8b6a140147885a28612958226187f012e49 (diff) | |
| download | linux-2d5e0807edf3a3ff44e52ab8ab3cfd675f6c8dad.tar.xz | |
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>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/si.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/si.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/si.c b/drivers/gpu/drm/amd/amdgpu/si.c index 543101d5a5ed..f61a431b9553 100644 --- a/drivers/gpu/drm/amd/amdgpu/si.c +++ b/drivers/gpu/drm/amd/amdgpu/si.c @@ -1230,6 +1230,18 @@ static void si_detect_hw_virtualization(struct amdgpu_device *adev) adev->virt.caps |= AMDGPU_PASSTHROUGH_MODE; } +static void si_flush_hdp(struct amdgpu_device *adev) +{ + WREG32(mmHDP_MEM_COHERENCY_FLUSH_CNTL, 1); + RREG32(mmHDP_MEM_COHERENCY_FLUSH_CNTL); +} + +static void si_invalidate_hdp(struct amdgpu_device *adev) +{ + WREG32(mmHDP_DEBUG0, 1); + RREG32(mmHDP_DEBUG0); +} + static const struct amdgpu_asic_funcs si_asic_funcs = { .read_disabled_bios = &si_read_disabled_bios, @@ -1241,6 +1253,8 @@ static const struct amdgpu_asic_funcs si_asic_funcs = .set_uvd_clocks = &si_set_uvd_clocks, .set_vce_clocks = NULL, .get_config_memsize = &si_get_config_memsize, + .flush_hdp = &si_flush_hdp, + .invalidate_hdp = &si_invalidate_hdp, }; static uint32_t si_get_rev_id(struct amdgpu_device *adev) |