summaryrefslogtreecommitdiff
path: root/drivers
diff options
context:
space:
mode:
authorchangzhu <Changfeng.Zhu@amd.com>2019-12-10 22:00:59 +0800
committerAlex Deucher <alexander.deucher@amd.com>2019-12-12 16:13:24 -0500
commit90f6452ca58d436de4f69b423ecd75a109aa9766 (patch)
treeab5ba6eaba5874363934167c345fb994e88cd90e /drivers
parent413fc385a594ea6eb08843be33939057ddfdae76 (diff)
drm/amdgpu: add invalidate semaphore limit for SRIOV and picasso in gmc9
It may fail to load guest driver in round 2 or cause Xstart problem when using invalidate semaphore for SRIOV or picasso. So it needs avoid using invalidate semaphore for SRIOV and picasso. Signed-off-by: changzhu <Changfeng.Zhu@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Reviewed-by: Huang Rui <ray.huang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c44
1 files changed, 24 insertions, 20 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index d444cfb63af1..a5b68b5e452f 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -416,6 +416,24 @@ static uint32_t gmc_v9_0_get_invalidate_req(unsigned int vmid,
return req;
}
+/**
+ * gmc_v9_0_use_invalidate_semaphore - judge whether to use semaphore
+ *
+ * @adev: amdgpu_device pointer
+ * @vmhub: vmhub type
+ *
+ */
+static bool gmc_v9_0_use_invalidate_semaphore(struct amdgpu_device *adev,
+ uint32_t vmhub)
+{
+ return ((vmhub == AMDGPU_MMHUB_0 ||
+ vmhub == AMDGPU_MMHUB_1) &&
+ (!amdgpu_sriov_vf(adev)) &&
+ (!(adev->asic_type == CHIP_RAVEN &&
+ adev->rev_id < 0x8 &&
+ adev->pdev->device == 0x15d8)));
+}
+
/*
* GART
* VMID 0 is the physical GPU addresses as used by the kernel.
@@ -435,6 +453,7 @@ static uint32_t gmc_v9_0_get_invalidate_req(unsigned int vmid,
static void gmc_v9_0_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid,
uint32_t vmhub, uint32_t flush_type)
{
+ bool use_semaphore = gmc_v9_0_use_invalidate_semaphore(adev, vmhub);
const unsigned eng = 17;
u32 j, tmp;
struct amdgpu_vmhub *hub;
@@ -468,11 +487,7 @@ static void gmc_v9_0_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid,
*/
/* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
- if ((vmhub == AMDGPU_MMHUB_0 ||
- vmhub == AMDGPU_MMHUB_1) &&
- (!(adev->asic_type == CHIP_RAVEN &&
- adev->rev_id < 0x8 &&
- adev->pdev->device == 0x15d8))) {
+ if (use_semaphore) {
for (j = 0; j < adev->usec_timeout; j++) {
/* a read return value of 1 means semaphore acuqire */
tmp = RREG32_NO_KIQ(hub->vm_inv_eng0_sem + eng);
@@ -502,11 +517,7 @@ static void gmc_v9_0_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid,
}
/* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
- if ((vmhub == AMDGPU_MMHUB_0 ||
- vmhub == AMDGPU_MMHUB_1) &&
- (!(adev->asic_type == CHIP_RAVEN &&
- adev->rev_id < 0x8 &&
- adev->pdev->device == 0x15d8)))
+ if (use_semaphore)
/*
* add semaphore release after invalidation,
* write with 0 means semaphore release
@@ -524,6 +535,7 @@ static void gmc_v9_0_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid,
static uint64_t gmc_v9_0_emit_flush_gpu_tlb(struct amdgpu_ring *ring,
unsigned vmid, uint64_t pd_addr)
{
+ bool use_semaphore = gmc_v9_0_use_invalidate_semaphore(ring->adev, ring->funcs->vmhub);
struct amdgpu_device *adev = ring->adev;
struct amdgpu_vmhub *hub = &adev->vmhub[ring->funcs->vmhub];
uint32_t req = gmc_v9_0_get_invalidate_req(vmid, 0);
@@ -537,11 +549,7 @@ static uint64_t gmc_v9_0_emit_flush_gpu_tlb(struct amdgpu_ring *ring,
*/
/* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
- if ((ring->funcs->vmhub == AMDGPU_MMHUB_0 ||
- ring->funcs->vmhub == AMDGPU_MMHUB_1) &&
- (!(adev->asic_type == CHIP_RAVEN &&
- adev->rev_id < 0x8 &&
- adev->pdev->device == 0x15d8)))
+ if (use_semaphore)
/* a read return value of 1 means semaphore acuqire */
amdgpu_ring_emit_reg_wait(ring,
hub->vm_inv_eng0_sem + eng, 0x1, 0x1);
@@ -557,11 +565,7 @@ static uint64_t gmc_v9_0_emit_flush_gpu_tlb(struct amdgpu_ring *ring,
req, 1 << vmid);
/* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
- if ((ring->funcs->vmhub == AMDGPU_MMHUB_0 ||
- ring->funcs->vmhub == AMDGPU_MMHUB_1) &&
- (!(adev->asic_type == CHIP_RAVEN &&
- adev->rev_id < 0x8 &&
- adev->pdev->device == 0x15d8)))
+ if (use_semaphore)
/*
* add semaphore release after invalidation,
* write with 0 means semaphore release