diff options
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, |