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| author | Peng Ju Zhou <PengJu.Zhou@amd.com> | 2021-04-23 13:42:01 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-05-21 10:32:08 -0400 |
| commit | 6ba3f59eb4d928b6336112a2c70b4c51600b0f0a (patch) | |
| tree | 6c01a785ec31cf7326c53afbeae27f38a6b266dc /drivers/gpu | |
| parent | f2958a8b87745d707cc7cebf10ac09aa450bf8b7 (diff) | |
| download | lwn-6ba3f59eb4d928b6336112a2c70b4c51600b0f0a.tar.gz lwn-6ba3f59eb4d928b6336112a2c70b4c51600b0f0a.zip | |
drm/amdgpu: Modify GC register access from MMIO to RLCG in file amdgpu_gmc.c
In SRIOV environment, KMD should access GC registers
with RLCG if GC indirect access flag enabled.
Signed-off-by: Peng Ju Zhou <PengJu.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c | 9 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c | 25 |
2 files changed, 24 insertions, 10 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c index a129ecc73869..3313d43bb94a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c @@ -629,13 +629,18 @@ void amdgpu_gmc_set_vm_fault_masks(struct amdgpu_device *adev, int hub_type, for (i = 0; i < 16; i++) { reg = hub->vm_context0_cntl + hub->ctx_distance * i; - tmp = RREG32(reg); + tmp = (hub_type == AMDGPU_GFXHUB_0) ? + RREG32_SOC15_IP(GC, reg) : + RREG32_SOC15_IP(MMHUB, reg); + if (enable) tmp |= hub->vm_cntx_cntl_vm_fault; else tmp &= ~hub->vm_cntx_cntl_vm_fault; - WREG32(reg, tmp); + (hub_type == AMDGPU_GFXHUB_0) ? + WREG32_SOC15_IP(GC, reg, tmp) : + WREG32_SOC15_IP(MMHUB, reg, tmp); } } diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c index f02dc904e4cf..c44767ce3c8a 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c @@ -229,6 +229,10 @@ static void gmc_v10_0_flush_vm_hub(struct amdgpu_device *adev, uint32_t vmid, /* Use register 17 for GART */ const unsigned eng = 17; unsigned int i; + unsigned char hub_ip = 0; + + hub_ip = (vmhub == AMDGPU_GFXHUB_0) ? + GC_HWIP : MMHUB_HWIP; spin_lock(&adev->gmc.invalidate_lock); /* @@ -242,8 +246,9 @@ static void gmc_v10_0_flush_vm_hub(struct amdgpu_device *adev, uint32_t vmid, if (use_semaphore) { for (i = 0; i < adev->usec_timeout; i++) { /* a read return value of 1 means semaphore acuqire */ - tmp = RREG32_NO_KIQ(hub->vm_inv_eng0_sem + - hub->eng_distance * eng); + tmp = RREG32_RLC_NO_KIQ(hub->vm_inv_eng0_sem + + hub->eng_distance * eng, hub_ip); + if (tmp & 0x1) break; udelay(1); @@ -253,7 +258,9 @@ static void gmc_v10_0_flush_vm_hub(struct amdgpu_device *adev, uint32_t vmid, DRM_ERROR("Timeout waiting for sem acquire in VM flush!\n"); } - WREG32_NO_KIQ(hub->vm_inv_eng0_req + hub->eng_distance * eng, inv_req); + WREG32_RLC_NO_KIQ(hub->vm_inv_eng0_req + + hub->eng_distance * eng, + inv_req, hub_ip); /* * Issue a dummy read to wait for the ACK register to be cleared @@ -261,12 +268,14 @@ static void gmc_v10_0_flush_vm_hub(struct amdgpu_device *adev, uint32_t vmid, */ if ((vmhub == AMDGPU_GFXHUB_0) && (adev->asic_type < CHIP_SIENNA_CICHLID)) - RREG32_NO_KIQ(hub->vm_inv_eng0_req + hub->eng_distance * eng); + RREG32_RLC_NO_KIQ(hub->vm_inv_eng0_req + + hub->eng_distance * eng, hub_ip); /* Wait for ACK with a delay.*/ for (i = 0; i < adev->usec_timeout; i++) { - tmp = RREG32_NO_KIQ(hub->vm_inv_eng0_ack + - hub->eng_distance * eng); + tmp = RREG32_RLC_NO_KIQ(hub->vm_inv_eng0_ack + + hub->eng_distance * eng, hub_ip); + tmp &= 1 << vmid; if (tmp) break; @@ -280,8 +289,8 @@ static void gmc_v10_0_flush_vm_hub(struct amdgpu_device *adev, uint32_t vmid, * add semaphore release after invalidation, * write with 0 means semaphore release */ - WREG32_NO_KIQ(hub->vm_inv_eng0_sem + - hub->eng_distance * eng, 0); + WREG32_RLC_NO_KIQ(hub->vm_inv_eng0_sem + + hub->eng_distance * eng, 0, hub_ip); spin_unlock(&adev->gmc.invalidate_lock); |