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| author | Alex Deucher <alexander.deucher@amd.com> | 2017-09-07 01:06:01 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-02-19 22:17:12 +0300 |
| commit | 13854c60d7753cbb2bb1db6463df220164ec001a (patch) | |
| tree | 6fa4be313e7dcbeba0b3b7e823069d704421b828 /drivers/gpu/drm/amd/amdgpu/cik.c | |
| parent | 2d5e0807edf3a3ff44e52ab8ab3cfd675f6c8dad (diff) | |
| download | linux-13854c60d7753cbb2bb1db6463df220164ec001a.tar.xz | |
drm/amdgpu: add HDP asic callbacks for CIK
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/cik.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/cik.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/cik.c b/drivers/gpu/drm/amd/amdgpu/cik.c index 8e59e65efd44..204ce807372c 100644 --- a/drivers/gpu/drm/amd/amdgpu/cik.c +++ b/drivers/gpu/drm/amd/amdgpu/cik.c @@ -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) |