From 0c6b391d68be81bbf54bc326e5b6c7a18740067b Mon Sep 17 00:00:00 2001 From: Leo Liu Date: Mon, 15 Jul 2019 10:14:17 -0400 Subject: drm/amdgpu: enable Doorbell support for Renoir (v2) Add VCN range aperture to NBIO 7.0 v2: rebase (Alex) Acked-by: Huang Rui Signed-off-by: Leo Liu Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/nbio_v7_0.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) (limited to 'drivers/gpu/drm/amd/amdgpu/nbio_v7_0.c') diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v7_0.c b/drivers/gpu/drm/amd/amdgpu/nbio_v7_0.c index 73419fa38159..74eecb768a82 100644 --- a/drivers/gpu/drm/amd/amdgpu/nbio_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_0.c @@ -91,6 +91,26 @@ static void nbio_v7_0_sdma_doorbell_range(struct amdgpu_device *adev, int instan WREG32(reg, doorbell_range); } +static void nbio_v7_0_vcn_doorbell_range(struct amdgpu_device *adev, bool use_doorbell, + int doorbell_index, int instance) +{ + 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_0_enable_doorbell_aperture(struct amdgpu_device *adev, bool enable) { @@ -282,6 +302,7 @@ const struct amdgpu_nbio_funcs nbio_v7_0_funcs = { .hdp_flush = nbio_v7_0_hdp_flush, .get_memsize = nbio_v7_0_get_memsize, .sdma_doorbell_range = nbio_v7_0_sdma_doorbell_range, + .vcn_doorbell_range = nbio_v7_0_vcn_doorbell_range, .enable_doorbell_aperture = nbio_v7_0_enable_doorbell_aperture, .enable_doorbell_selfring_aperture = nbio_v7_0_enable_doorbell_selfring_aperture, .ih_doorbell_range = nbio_v7_0_ih_doorbell_range, -- cgit v1.2.3