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drm/amdgpu/nbio: add doorbell range init for vpe on 7.11.4

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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>
This commit is contained in:
Caden Chien 2026-04-21 17:28:07 +08:00 committed by Alex Deucher
parent 014385d722
commit 802aaee0f9
1 changed files with 46 additions and 0 deletions
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46
drivers/gpu/drm/amd/amdgpu/nbif_v6_3_1.c
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@ -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,