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 | 49 |
1 files changed, 48 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c b/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c index 2a535a4b8d5b..cee5c396b277 100644 --- a/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c +++ b/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c @@ -319,7 +319,7 @@ int psp_v3_1_ring_create(struct psp_context *psp, enum psp_ring_type ring_type) return ret; } -int psp_v3_1_ring_destroy(struct psp_context *psp, enum psp_ring_type ring_type) +int psp_v3_1_ring_stop(struct psp_context *psp, enum psp_ring_type ring_type) { int ret = 0; struct psp_ring *ring; @@ -339,6 +339,19 @@ int psp_v3_1_ring_destroy(struct psp_context *psp, enum psp_ring_type ring_type) ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64), 0x80000000, 0x80000000, false); + return ret; +} + +int psp_v3_1_ring_destroy(struct psp_context *psp, enum psp_ring_type ring_type) +{ + int ret = 0; + struct psp_ring *ring = &psp->km_ring; + struct amdgpu_device *adev = psp->adev; + + ret = psp_v3_1_ring_stop(psp, ring_type); + if (ret) + DRM_ERROR("Fail to stop psp ring\n"); + amdgpu_bo_free_kernel(&adev->firmware.rbuf, &ring->ring_mem_mc_addr, (void **)&ring->ring_mem); @@ -517,3 +530,37 @@ bool psp_v3_1_smu_reload_quirk(struct psp_context *psp) reg = RREG32_SOC15(NBIO, 0, mmPCIE_DATA2); return (reg & MP1_FIRMWARE_FLAGS__INTERRUPTS_ENABLED_MASK) ? true : false; } + +int psp_v3_1_mode1_reset(struct psp_context *psp) +{ + int ret; + uint32_t offset; + struct amdgpu_device *adev = psp->adev; + + offset = SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64); + + ret = psp_wait_for(psp, offset, 0x80000000, 0x8000FFFF, false); + + if (ret) { + DRM_INFO("psp is not working correctly before mode1 reset!\n"); + return -EINVAL; + } + + /*send the mode 1 reset command*/ + WREG32(offset, 0x70000); + + mdelay(1000); + + offset = SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_33); + + ret = psp_wait_for(psp, offset, 0x80000000, 0x80000000, false); + + if (ret) { + DRM_INFO("psp mode 1 reset failed!\n"); + return -EINVAL; + } + + DRM_INFO("psp mode1 reset succeed \n"); + + return 0; +} |