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drm/amdgpu: add HDP asic callbacks for SOC15 (v2)

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Needed to flush and invalidate the HDP block using the CPU.

v2: use preferred register on soc15.

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> (v1)
This commit is contained in:
Alex Deucher 2017-09-06 18:06:45 -04:00
parent dd8d07f2fb
commit 73c732405f
1 changed files with 12 additions and 0 deletions
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12
drivers/gpu/drm/amd/amdgpu/soc15.c
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@ -583,6 +583,16 @@ static uint32_t soc15_get_rev_id(struct amdgpu_device *adev)
return adev->nbio_funcs->get_rev_id(adev);
}
static void soc15_flush_hdp(struct amdgpu_device *adev)
{
adev->nbio_funcs->hdp_flush(adev);
}
static void soc15_invalidate_hdp(struct amdgpu_device *adev)
{
WREG32_SOC15_NO_KIQ(NBIO, 0, mmHDP_READ_CACHE_INVALIDATE, 1);
}
static const struct amdgpu_asic_funcs soc15_asic_funcs =
{
.read_disabled_bios = &soc15_read_disabled_bios,
@ -594,6 +604,8 @@ static const struct amdgpu_asic_funcs soc15_asic_funcs =
.set_uvd_clocks = &soc15_set_uvd_clocks,
.set_vce_clocks = &soc15_set_vce_clocks,
.get_config_memsize = &soc15_get_config_memsize,
.flush_hdp = &soc15_flush_hdp,
.invalidate_hdp = &soc15_invalidate_hdp,
};
static int soc15_common_early_init(void *handle)