Commit dd8d07f2 authored by Alex Deucher's avatar Alex Deucher
Browse files

drm/amdgpu: add HDP asic callbacks for VI 



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

Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarSamuel Li <Samuel.Li@amd.com>
parent 13854c60

drivers/gpu/drm/amd/amdgpu/vi.c

+14 −0
Original line number Diff line number Diff line
@@ -856,6 +856,18 @@ static uint32_t vi_get_rev_id(struct amdgpu_device *adev) 
			>> PCIE_EFUSE4__STRAP_BIF_ATI_REV_ID__SHIFT;

}



static void vi_flush_hdp(struct amdgpu_device *adev)

{

	WREG32(mmHDP_MEM_COHERENCY_FLUSH_CNTL, 1);

	RREG32(mmHDP_MEM_COHERENCY_FLUSH_CNTL);

}



static void vi_invalidate_hdp(struct amdgpu_device *adev)

{

	WREG32(mmHDP_DEBUG0, 1);

	RREG32(mmHDP_DEBUG0);

}



static const struct amdgpu_asic_funcs vi_asic_funcs =

{

	.read_disabled_bios = &vi_read_disabled_bios,
@@ -867,6 +879,8 @@ static const struct amdgpu_asic_funcs vi_asic_funcs = 
	.set_uvd_clocks = &vi_set_uvd_clocks,

	.set_vce_clocks = &vi_set_vce_clocks,

	.get_config_memsize = &vi_get_config_memsize,

	.flush_hdp = &vi_flush_hdp,

	.invalidate_hdp = &vi_invalidate_hdp,

};



#define CZ_REV_BRISTOL(rev)	 \