Commit b85a17d3 authored by Alex Deucher's avatar Alex Deucher
Browse files

drm/amdgpu: add vcn_doorbell_range callback for nbio 7.11 



Implement support for setting up the VCN doorbell range for
NBIO 7.11.

Reviewed-by: default avatarLang Yu <lang.yu@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 4412f852

drivers/gpu/drm/amd/amdgpu/nbio_v7_11.c

+22 −0
Original line number Diff line number Diff line
@@ -100,6 +100,27 @@ static void nbio_v7_11_vpe_doorbell_range(struct amdgpu_device *adev, int instan 
	WREG32_PCIE_PORT(reg, doorbell_range);

}



static void nbio_v7_11_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_11_enable_doorbell_aperture(struct amdgpu_device *adev,

					       bool enable)

{
@@ -256,6 +277,7 @@ const struct amdgpu_nbio_funcs nbio_v7_11_funcs = { 
	.mc_access_enable = nbio_v7_11_mc_access_enable,

	.get_memsize = nbio_v7_11_get_memsize,

	.sdma_doorbell_range = nbio_v7_11_sdma_doorbell_range,

	.vcn_doorbell_range = nbio_v7_11_vcn_doorbell_range,

	.vpe_doorbell_range = nbio_v7_11_vpe_doorbell_range,

	.enable_doorbell_aperture = nbio_v7_11_enable_doorbell_aperture,

	.enable_doorbell_selfring_aperture = nbio_v7_11_enable_doorbell_selfring_aperture,