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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>
This commit is contained in:
Alex Deucher 2017-09-06 18:06:01 -04:00
parent 2d5e0807ed
commit 13854c60d7
1 changed files with 14 additions and 0 deletions
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14
drivers/gpu/drm/amd/amdgpu/cik.c
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@ -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)