diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/psp_v3_1.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/psp_v3_1.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c b/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c index fdc00938327b..bee6514f04a9 100644 --- a/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c +++ b/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c @@ -642,6 +642,31 @@ static bool psp_v3_1_support_vmr_ring(struct psp_context *psp) return false; } +static uint32_t psp_v3_1_ring_get_wptr(struct psp_context *psp) +{ + uint32_t data; + struct amdgpu_device *adev = psp->adev; + + if (psp_v3_1_support_vmr_ring(psp)) + data = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102); + else + data = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67); + return data; +} + +static void psp_v3_1_ring_set_wptr(struct psp_context *psp, uint32_t value) +{ + struct amdgpu_device *adev = psp->adev; + + if (psp_v3_1_support_vmr_ring(psp)) { + WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102, value); + /* send interrupt to PSP for SRIOV ring write pointer update */ + WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101, + GFX_CTRL_CMD_ID_CONSUME_CMD); + } else + WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67, value); +} + static const struct psp_funcs psp_v3_1_funcs = { .init_microcode = psp_v3_1_init_microcode, .bootloader_load_sysdrv = psp_v3_1_bootloader_load_sysdrv, @@ -655,6 +680,8 @@ static const struct psp_funcs psp_v3_1_funcs = { .smu_reload_quirk = psp_v3_1_smu_reload_quirk, .mode1_reset = psp_v3_1_mode1_reset, .support_vmr_ring = psp_v3_1_support_vmr_ring, + .ring_get_wptr = psp_v3_1_ring_get_wptr, + .ring_set_wptr = psp_v3_1_ring_set_wptr, }; void psp_v3_1_set_psp_funcs(struct psp_context *psp) |