Commit 73c73240 authored by Alex Deucher's avatar Alex Deucher
Browse files

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



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

v2: use preferred register on soc15.

Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: Samuel Li <Samuel.Li@amd.com> (v1)
parent dd8d07f2

drivers/gpu/drm/amd/amdgpu/soc15.c

+12 −0
Original line number Diff line number Diff line
@@ -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)