diff options
| author | Caden Chien <chih-wei.chien@amd.com> | 2026-04-21 17:28:07 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2026-05-11 16:15:47 -0400 |
| commit | 802aaee0f903560cea726d3f5f090660cc2d9ab8 (patch) | |
| tree | 3288eb799a245e030620ec0a6bb08b7dfcdcc199 /drivers/gpu/drm/amd/amdgpu | |
| parent | 014385d7222d7bc10f6da6335b1e09ca262dd415 (diff) | |
| download | linux-next-802aaee0f903560cea726d3f5f090660cc2d9ab8.tar.gz linux-next-802aaee0f903560cea726d3f5f090660cc2d9ab8.zip | |
drm/amdgpu/nbio: add doorbell range init for vpe on 7.11.4
A callback function is added to setup doorbell range during vpe hw
queue initialization on nbio 7.11.4.
Signed-off-by: Caden Chien <chih-wei.chien@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')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/nbif_v6_3_1.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/nbif_v6_3_1.c b/drivers/gpu/drm/amd/amdgpu/nbif_v6_3_1.c index 375d5ff42a63..28a99b52f59f 100644 --- a/drivers/gpu/drm/amd/amdgpu/nbif_v6_3_1.c +++ b/drivers/gpu/drm/amd/amdgpu/nbif_v6_3_1.c @@ -189,6 +189,51 @@ static void nbif_v6_3_1_vcn_doorbell_range(struct amdgpu_device *adev, } } +static void nbif_v6_3_1_vpe_doorbell_range(struct amdgpu_device *adev, + int instance, bool use_doorbell, + int doorbell_index, + int doorbell_size) +{ + if (instance) + return; + + u32 doorbell_range = RREG32_SOC15(NBIO, 0, regGDC_S2A0_S2A_DOORBELL_ENTRY_5_CTRL); + + if (use_doorbell) { + doorbell_range = REG_SET_FIELD(doorbell_range, + GDC_S2A0_S2A_DOORBELL_ENTRY_5_CTRL, + S2A_DOORBELL_PORT5_ENABLE, + 0x1); + doorbell_range = REG_SET_FIELD(doorbell_range, + GDC_S2A0_S2A_DOORBELL_ENTRY_5_CTRL, + S2A_DOORBELL_PORT5_AWID, + 0xf); + doorbell_range = REG_SET_FIELD(doorbell_range, + GDC_S2A0_S2A_DOORBELL_ENTRY_5_CTRL, + S2A_DOORBELL_PORT5_RANGE_OFFSET, + doorbell_index); + doorbell_range = REG_SET_FIELD(doorbell_range, + GDC_S2A0_S2A_DOORBELL_ENTRY_5_CTRL, + S2A_DOORBELL_PORT5_RANGE_SIZE, + doorbell_size); + doorbell_range = REG_SET_FIELD(doorbell_range, + GDC_S2A0_S2A_DOORBELL_ENTRY_5_CTRL, + S2A_DOORBELL_PORT5_AWADDR_31_28_VALUE, + 0xf); + } else { + doorbell_range = REG_SET_FIELD(doorbell_range, + GDC_S2A0_S2A_DOORBELL_ENTRY_5_CTRL, + S2A_DOORBELL_PORT5_RANGE_SIZE, + 0); + } + + if (amdgpu_ip_version(adev, NBIO_HWIP, 0) == IP_VERSION(7, 11, 4)) + WREG32_SOC15(NBIO, 0, regGDC_S2A0_S2A_DOORBELL_ENTRY_5_CTRL_nbif_4_10, doorbell_range); + else + WREG32_SOC15(NBIO, 0, regGDC_S2A0_S2A_DOORBELL_ENTRY_5_CTRL, doorbell_range); + +} + static void nbif_v6_3_1_gc_doorbell_init(struct amdgpu_device *adev) { if (amdgpu_ip_version(adev, NBIO_HWIP, 0) == IP_VERSION(7, 11, 4)) { @@ -517,6 +562,7 @@ const struct amdgpu_nbio_funcs nbif_v6_3_1_funcs = { .get_memsize = nbif_v6_3_1_get_memsize, .sdma_doorbell_range = nbif_v6_3_1_sdma_doorbell_range, .vcn_doorbell_range = nbif_v6_3_1_vcn_doorbell_range, + .vpe_doorbell_range = nbif_v6_3_1_vpe_doorbell_range, .gc_doorbell_init = nbif_v6_3_1_gc_doorbell_init, .enable_doorbell_aperture = nbif_v6_3_1_enable_doorbell_aperture, .enable_doorbell_selfring_aperture = nbif_v6_3_1_enable_doorbell_selfring_aperture, |