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A nitpick below. With that addressed,<br>
<br>
Reviewed-by: Amber Lin <a class="moz-txt-link-rfc2396E" href="mailto:Amber.Lin@amd.com"><Amber.Lin@amd.com></a><br>
<pre class="moz-signature" cols="72">Regards,
Amber</pre>
<div class="moz-cite-prefix">On 3/27/25 13:47, Apurv Mishra wrote:<br>
</div>
<blockquote type="cite" cite="mid:20250327174723.394804-1-Apurv.Mishra@amd.com">
<pre class="moz-quote-pre" wrap="">remove workaround code for the early engineering samples
GC v9.4.3 SOCs with revID 0 - GFX 940 & 941 - from driver</pre>
</blockquote>
Remove <span style="white-space: pre-wrap">"- GFX 940 & 941 - from driver" and simply "Remove </span><span style="white-space: pre-wrap">workaround code for the early engineering samples GC v9.4.3 SOCs with revID 0"
</span>
<blockquote type="cite" cite="mid:20250327174723.394804-1-Apurv.Mishra@amd.com">
<pre class="moz-quote-pre" wrap="">
Reviewed-by: Lijo Lazar <a class="moz-txt-link-rfc2396E" href="mailto:lijo.lazar@amd.com"><lijo.lazar@amd.com></a>
Signed-off-by: Apurv Mishra <a class="moz-txt-link-rfc2396E" href="mailto:Apurv.Mishra@amd.com"><Apurv.Mishra@amd.com></a>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 8 +++++++-
drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 14 ++------------
drivers/gpu/drm/amd/amdkfd/kfd_device.c | 5 -----
drivers/gpu/drm/amd/amdkfd/kfd_queue.c | 4 ++--
drivers/gpu/drm/amd/amdkfd/kfd_svm.c | 3 +--
5 files changed, 12 insertions(+), 22 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index d4b01ef00025..81d314f2c689 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -2692,6 +2692,13 @@ static int amdgpu_device_ip_early_init(struct amdgpu_device *adev)
break;
}
+ /* Check for IP version 9.4.3 with A0 hardware */
+ if (amdgpu_ip_version(adev, GC_HWIP, 0) == IP_VERSION(9, 4, 3) &&
+ !amdgpu_device_get_rev_id(adev)) {
+ dev_err(adev->dev, "Unsupported A0 hardware\n");
+ return -ENODEV; /* device unsupported - no device error */
+ }
+
if (amdgpu_has_atpx() &&
(amdgpu_is_atpx_hybrid() ||
amdgpu_has_atpx_dgpu_power_cntl()) &&
@@ -2704,7 +2711,6 @@ static int amdgpu_device_ip_early_init(struct amdgpu_device *adev)
adev->has_pr3 = parent ? pci_pr3_present(parent) : false;
}
-
adev->pm.pp_feature = amdgpu_pp_feature_mask;
if (amdgpu_sriov_vf(adev) || sched_policy == KFD_SCHED_POLICY_NO_HWS)
adev->pm.pp_feature &= ~PP_GFXOFF_MASK;
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index 783e0c3b86b4..8d3560314e5b 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -1213,10 +1213,7 @@ static void gmc_v9_0_get_coherence_flags(struct amdgpu_device *adev,
if (uncached) {
mtype = MTYPE_UC;
} else if (ext_coherent) {
- if (gc_ip_version == IP_VERSION(9, 5, 0) || adev->rev_id)
- mtype = is_local ? MTYPE_CC : MTYPE_UC;
- else
- mtype = MTYPE_UC;
+ mtype = is_local ? MTYPE_CC : MTYPE_UC;
} else if (adev->flags & AMD_IS_APU) {
mtype = is_local ? mtype_local : MTYPE_NC;
} else {
@@ -1336,7 +1333,7 @@ static void gmc_v9_0_override_vm_pte_flags(struct amdgpu_device *adev,
mtype_local = MTYPE_CC;
*flags = AMDGPU_PTE_MTYPE_VG10(*flags, mtype_local);
- } else if (adev->rev_id) {
+ } else {
/* MTYPE_UC case */
*flags = AMDGPU_PTE_MTYPE_VG10(*flags, MTYPE_CC);
}
@@ -2411,13 +2408,6 @@ static int gmc_v9_0_hw_init(struct amdgpu_ip_block *ip_block)
adev->gmc.flush_tlb_needs_extra_type_2 =
amdgpu_ip_version(adev, GC_HWIP, 0) == IP_VERSION(9, 4, 0) &&
adev->gmc.xgmi.num_physical_nodes;
- /*
- * TODO: This workaround is badly documented and had a buggy
- * implementation. We should probably verify what we do here.
- */
- adev->gmc.flush_tlb_needs_extra_type_0 =
- amdgpu_ip_version(adev, GC_HWIP, 0) == IP_VERSION(9, 4, 3) &&
- adev->rev_id == 0;
/* The sequence of these two function calls matters.*/
gmc_v9_0_init_golden_registers(adev);
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device.c b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
index b9c82be6ce13..bf0854bd5555 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
@@ -352,11 +352,6 @@ struct kfd_dev *kgd2kfd_probe(struct amdgpu_device *adev, bool vf)
f2g = &aldebaran_kfd2kgd;
break;
case IP_VERSION(9, 4, 3):
- gfx_target_version = adev->rev_id >= 1 ? 90402
- : adev->flags & AMD_IS_APU ? 90400
- : 90401;
- f2g = &gc_9_4_3_kfd2kgd;
- break;
case IP_VERSION(9, 4, 4):
gfx_target_version = 90402;
f2g = &gc_9_4_3_kfd2kgd;
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_queue.c b/drivers/gpu/drm/amd/amdkfd/kfd_queue.c
index 4afff7094caf..a65c67cf56ff 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_queue.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_queue.c
@@ -402,7 +402,7 @@ static u32 kfd_get_vgpr_size_per_cu(u32 gfxv)
{
u32 vgpr_size = 0x40000;
- if ((gfxv / 100 * 100) == 90400 || /* GFX_VERSION_AQUA_VANJARAM */
+ if (gfxv == 90402 || /* GFX_VERSION_AQUA_VANJARAM */
gfxv == 90010 || /* GFX_VERSION_ALDEBARAN */
gfxv == 90008 || /* GFX_VERSION_ARCTURUS */
gfxv == 90500)
@@ -462,7 +462,7 @@ void kfd_queue_ctx_save_restore_size(struct kfd_topology_device *dev)
if (gfxv == 80002) /* GFX_VERSION_TONGA */
props->eop_buffer_size = 0x8000;
- else if ((gfxv / 100 * 100) == 90400) /* GFX_VERSION_AQUA_VANJARAM */
+ else if (gfxv == 90402) /* GFX_VERSION_AQUA_VANJARAM */
props->eop_buffer_size = 4096;
else if (gfxv >= 80000)
props->eop_buffer_size = 4096;
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c
index 100717a98ec1..72be6e152e88 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c
@@ -1245,8 +1245,7 @@ svm_range_get_pte_flags(struct kfd_node *node,
case IP_VERSION(9, 4, 4):
case IP_VERSION(9, 5, 0):
if (ext_coherent)
- mtype_local = (gc_ip_version < IP_VERSION(9, 5, 0) && !node->adev->rev_id) ?
- AMDGPU_VM_MTYPE_UC : AMDGPU_VM_MTYPE_CC;
+ mtype_local = AMDGPU_VM_MTYPE_CC;
else
mtype_local = amdgpu_mtype_local == 1 ? AMDGPU_VM_MTYPE_NC :
amdgpu_mtype_local == 2 ? AMDGPU_VM_MTYPE_CC : AMDGPU_VM_MTYPE_RW;
</pre>
</blockquote>
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