diff options
| author | Leo Liu <leo.liu@amd.com> | 2019-07-09 10:18:36 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-07-18 14:18:05 -0500 |
| commit | 39a5053fb2231d26f296734390bae7d7d36a9130 (patch) | |
| tree | a5e28585b713a02fbc2846e4238a83874b571cb0 /drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c | |
| parent | 08249a3a322b8950db31996cc5b00bcd292e91f4 (diff) | |
| download | linux-39a5053fb2231d26f296734390bae7d7d36a9130.tar.bz2 | |
drm/amdgpu: add vcn doorbell range function to nbio7.4 (v2)
To setup the aperture for VCN2.5
v2: setup vcn doorbells in vcn2.5 hw_init (Alex)
Signed-off-by: Leo Liu <leo.liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c b/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c index fc45eaeaba6e..d8c9972a315b 100644 --- a/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c +++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c @@ -114,6 +114,26 @@ static void nbio_v7_4_sdma_doorbell_range(struct amdgpu_device *adev, int instan WREG32(reg, doorbell_range); } +static void nbio_v7_4_vcn_doorbell_range(struct amdgpu_device *adev, bool use_doorbell, + int doorbell_index) +{ + u32 reg = SOC15_REG_OFFSET(NBIO, 0, mmBIF_MMSCH0_DOORBELL_RANGE); + + u32 doorbell_range = RREG32(reg); + + if (use_doorbell) { + doorbell_range = REG_SET_FIELD(doorbell_range, + BIF_MMSCH0_DOORBELL_RANGE, OFFSET, + doorbell_index); + doorbell_range = REG_SET_FIELD(doorbell_range, + BIF_MMSCH0_DOORBELL_RANGE, SIZE, 8); + } else + doorbell_range = REG_SET_FIELD(doorbell_range, + BIF_MMSCH0_DOORBELL_RANGE, SIZE, 0); + + WREG32(reg, doorbell_range); +} + static void nbio_v7_4_enable_doorbell_aperture(struct amdgpu_device *adev, bool enable) { @@ -292,6 +312,7 @@ const struct amdgpu_nbio_funcs nbio_v7_4_funcs = { .hdp_flush = nbio_v7_4_hdp_flush, .get_memsize = nbio_v7_4_get_memsize, .sdma_doorbell_range = nbio_v7_4_sdma_doorbell_range, + .vcn_doorbell_range = nbio_v7_4_vcn_doorbell_range, .enable_doorbell_aperture = nbio_v7_4_enable_doorbell_aperture, .enable_doorbell_selfring_aperture = nbio_v7_4_enable_doorbell_selfring_aperture, .ih_doorbell_range = nbio_v7_4_ih_doorbell_range, |