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drm/amdgpu: add VCN function in NBIO v7.7

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Add function to support VCN_4_0_2 doorbell

Signed-off-by: Sonny Jiang <sonny.jiang@amd.com>
Reviewed-by: James Zhu <James.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Sonny Jiang 2022-07-21 13:27:09 -04:00 • committed by Alex Deucher
parent 736f7308d3
commit 4ac77cce84
1 changed files with 21 additions and 0 deletions
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21
drivers/gpu/drm/amd/amdgpu/nbio_v7_7.c
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@ -83,6 +83,26 @@ static void nbio_v7_7_sdma_doorbell_range(struct amdgpu_device *adev, int instan
WREG32_PCIE_PORT(reg, doorbell_range);
}
static void nbio_v7_7_vcn_doorbell_range(struct amdgpu_device *adev, bool use_doorbell,
int doorbell_index, int instance)
{
u32 reg = SOC15_REG_OFFSET(NBIO, 0, regGDC0_BIF_VCN0_DOORBELL_RANGE);
u32 doorbell_range = RREG32_PCIE_PORT(reg);
if (use_doorbell) {
doorbell_range = REG_SET_FIELD(doorbell_range,
GDC0_BIF_VCN0_DOORBELL_RANGE, OFFSET,
doorbell_index);
doorbell_range = REG_SET_FIELD(doorbell_range,
GDC0_BIF_VCN0_DOORBELL_RANGE, SIZE, 8);
} else {
doorbell_range = REG_SET_FIELD(doorbell_range,
GDC0_BIF_VCN0_DOORBELL_RANGE, SIZE, 0);
}
WREG32_PCIE_PORT(reg, doorbell_range);
}
static void nbio_v7_7_enable_doorbell_aperture(struct amdgpu_device *adev,
bool enable)
{
@ -238,6 +258,7 @@ const struct amdgpu_nbio_funcs nbio_v7_7_funcs = {
.mc_access_enable = nbio_v7_7_mc_access_enable,
.get_memsize = nbio_v7_7_get_memsize,
.sdma_doorbell_range = nbio_v7_7_sdma_doorbell_range,
.vcn_doorbell_range = nbio_v7_7_vcn_doorbell_range,
.enable_doorbell_aperture = nbio_v7_7_enable_doorbell_aperture,
.enable_doorbell_selfring_aperture = nbio_v7_7_enable_doorbell_selfring_aperture,
.ih_doorbell_range = nbio_v7_7_ih_doorbell_range,