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authorPeng Ju Zhou <PengJu.Zhou@amd.com>2021-04-23 13:42:01 +0800
committerAlex Deucher <alexander.deucher@amd.com>2021-05-21 10:32:08 -0400
commit6ba3f59eb4d928b6336112a2c70b4c51600b0f0a (patch)
tree6c01a785ec31cf7326c53afbeae27f38a6b266dc /drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
parentf2958a8b87745d707cc7cebf10ac09aa450bf8b7 (diff)
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/drm/amd/amdgpu/gmc_v10_0.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c25
1 files changed, 17 insertions, 8 deletions
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);