Commit 4ac77cce authored by Sonny Jiang's avatar Sonny Jiang Committed by Alex Deucher
Browse files

drm/amdgpu: add VCN function in NBIO v7.7 



Add function to support VCN_4_0_2 doorbell

Signed-off-by: default avatarSonny Jiang <sonny.jiang@amd.com>
Reviewed-by: default avatarJames Zhu <James.Zhu@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 736f7308

drivers/gpu/drm/amd/amdgpu/nbio_v7_7.c

+21 −0
Original line number Diff line number Diff line
@@ -83,6 +83,26 @@ static void nbio_v7_7_sdma_doorbell_range(struct amdgpu_device *adev, int instan 
	WREG32_PCIE_PORT(reg, doorbell_range);

}



static void nbio_v7_7_vcn_doorbell_range(struct amdgpu_device *adev, bool use_doorbell,

					int doorbell_index, int instance)

{

	u32 reg = SOC15_REG_OFFSET(NBIO, 0, regGDC0_BIF_VCN0_DOORBELL_RANGE);

	u32 doorbell_range = RREG32_PCIE_PORT(reg);



	if (use_doorbell) {

		doorbell_range = REG_SET_FIELD(doorbell_range,

					       GDC0_BIF_VCN0_DOORBELL_RANGE, OFFSET,

					       doorbell_index);

		doorbell_range = REG_SET_FIELD(doorbell_range,

					       GDC0_BIF_VCN0_DOORBELL_RANGE, SIZE, 8);

	} else {

		doorbell_range = REG_SET_FIELD(doorbell_range,

					       GDC0_BIF_VCN0_DOORBELL_RANGE, SIZE, 0);

	}



	WREG32_PCIE_PORT(reg, doorbell_range);

}



static void nbio_v7_7_enable_doorbell_aperture(struct amdgpu_device *adev,

					       bool enable)

{
@@ -238,6 +258,7 @@ const struct amdgpu_nbio_funcs nbio_v7_7_funcs = { 
	.mc_access_enable = nbio_v7_7_mc_access_enable,

	.get_memsize = nbio_v7_7_get_memsize,

	.sdma_doorbell_range = nbio_v7_7_sdma_doorbell_range,

	.vcn_doorbell_range = nbio_v7_7_vcn_doorbell_range,

	.enable_doorbell_aperture = nbio_v7_7_enable_doorbell_aperture,

	.enable_doorbell_selfring_aperture = nbio_v7_7_enable_doorbell_selfring_aperture,

	.ih_doorbell_range = nbio_v7_7_ih_doorbell_range,