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>
This commit is contained in:
Alex Deucher 2017-09-06 18:05:43 -04:00
parent 2df1b8b6a1
commit 2d5e0807ed
1 changed files with 14 additions and 0 deletions

View File

@ -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)