diff options
| author | Sonny Jiang <sonny.jiang@amd.com> | 2022-07-21 13:27:09 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-07-28 16:28:54 -0400 |
| commit | 4ac77cce84a4afa3b76fe7c763aa3e754cdac422 (patch) | |
| tree | a3308ad7c558987e27c5b624e410c3cb7504b62c /drivers/gpu/drm/amd/amdgpu/nbio_v7_7.c | |
| parent | 736f7308d3e6201322142d98abe4e9af33a429f7 (diff) | |
| download | linux-stable-4ac77cce84a4afa3b76fe7c763aa3e754cdac422.tar.gz linux-stable-4ac77cce84a4afa3b76fe7c763aa3e754cdac422.tar.bz2 linux-stable-4ac77cce84a4afa3b76fe7c763aa3e754cdac422.zip | |
drm/amdgpu: add VCN function in NBIO v7.7
Add function to support VCN_4_0_2 doorbell
Signed-off-by: Sonny Jiang <sonny.jiang@amd.com>
Reviewed-by: James Zhu <James.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/nbio_v7_7.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/nbio_v7_7.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v7_7.c b/drivers/gpu/drm/amd/amdgpu/nbio_v7_7.c index e786b825cea9..01e8288d09a8 100644 --- a/drivers/gpu/drm/amd/amdgpu/nbio_v7_7.c +++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_7.c @@ -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, |