summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.c')
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.c88
1 files changed, 63 insertions, 25 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.c
index 863cf060af48..d9ae854b6908 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.c
@@ -48,7 +48,7 @@ int pipe_priority_map[] = {
struct kfd_mem_obj *allocate_hiq_mqd(struct kfd_node *dev, struct queue_properties *q)
{
- struct kfd_mem_obj *mqd_mem_obj = NULL;
+ struct kfd_mem_obj *mqd_mem_obj;
mqd_mem_obj = kzalloc(sizeof(struct kfd_mem_obj), GFP_KERNEL);
if (!mqd_mem_obj)
@@ -64,7 +64,7 @@ struct kfd_mem_obj *allocate_hiq_mqd(struct kfd_node *dev, struct queue_properti
struct kfd_mem_obj *allocate_sdma_mqd(struct kfd_node *dev,
struct queue_properties *q)
{
- struct kfd_mem_obj *mqd_mem_obj = NULL;
+ struct kfd_mem_obj *mqd_mem_obj;
uint64_t offset;
mqd_mem_obj = kzalloc(sizeof(struct kfd_mem_obj), GFP_KERNEL);
@@ -97,35 +97,41 @@ void free_mqd_hiq_sdma(struct mqd_manager *mm, void *mqd,
void mqd_symmetrically_map_cu_mask(struct mqd_manager *mm,
const uint32_t *cu_mask, uint32_t cu_mask_count,
- uint32_t *se_mask)
+ uint32_t *se_mask, uint32_t inst)
{
- struct kfd_cu_info cu_info;
+ struct amdgpu_cu_info *cu_info = &mm->dev->adev->gfx.cu_info;
+ struct amdgpu_gfx_config *gfx_info = &mm->dev->adev->gfx.config;
uint32_t cu_per_sh[KFD_MAX_NUM_SE][KFD_MAX_NUM_SH_PER_SE] = {0};
bool wgp_mode_req = KFD_GC_VERSION(mm->dev) >= IP_VERSION(10, 0, 0);
uint32_t en_mask = wgp_mode_req ? 0x3 : 0x1;
- int i, se, sh, cu, cu_bitmap_sh_mul, inc = wgp_mode_req ? 2 : 1;
+ int i, se, sh, cu, cu_bitmap_sh_mul, cu_inc = wgp_mode_req ? 2 : 1;
+ uint32_t cu_active_per_node;
+ int inc = cu_inc * NUM_XCC(mm->dev->xcc_mask);
+ int xcc_inst = inst + ffs(mm->dev->xcc_mask) - 1;
- amdgpu_amdkfd_get_cu_info(mm->dev->adev, &cu_info);
-
- if (cu_mask_count > cu_info.cu_active_number)
- cu_mask_count = cu_info.cu_active_number;
+ cu_active_per_node = cu_info->number / mm->dev->kfd->num_nodes;
+ if (cu_mask_count > cu_active_per_node)
+ cu_mask_count = cu_active_per_node;
/* Exceeding these bounds corrupts the stack and indicates a coding error.
* Returning with no CU's enabled will hang the queue, which should be
* attention grabbing.
*/
- if (cu_info.num_shader_engines > KFD_MAX_NUM_SE) {
- pr_err("Exceeded KFD_MAX_NUM_SE, chip reports %d\n", cu_info.num_shader_engines);
+ if (gfx_info->max_shader_engines > KFD_MAX_NUM_SE) {
+ dev_err(mm->dev->adev->dev,
+ "Exceeded KFD_MAX_NUM_SE, chip reports %d\n",
+ gfx_info->max_shader_engines);
return;
}
- if (cu_info.num_shader_arrays_per_engine > KFD_MAX_NUM_SH_PER_SE) {
- pr_err("Exceeded KFD_MAX_NUM_SH, chip reports %d\n",
- cu_info.num_shader_arrays_per_engine * cu_info.num_shader_engines);
+ if (gfx_info->max_sh_per_se > KFD_MAX_NUM_SH_PER_SE) {
+ dev_err(mm->dev->adev->dev,
+ "Exceeded KFD_MAX_NUM_SH, chip reports %d\n",
+ gfx_info->max_sh_per_se * gfx_info->max_shader_engines);
return;
}
cu_bitmap_sh_mul = (KFD_GC_VERSION(mm->dev) >= IP_VERSION(11, 0, 0) &&
- KFD_GC_VERSION(mm->dev) < IP_VERSION(12, 0, 0)) ? 2 : 1;
+ KFD_GC_VERSION(mm->dev) < IP_VERSION(13, 0, 0)) ? 2 : 1;
/* Count active CUs per SH.
*
@@ -138,10 +144,11 @@ void mqd_symmetrically_map_cu_mask(struct mqd_manager *mm,
* See note on Arcturus cu_bitmap layout in gfx_v9_0_get_cu_info.
* See note on GFX11 cu_bitmap layout in gfx_v11_0_get_cu_info.
*/
- for (se = 0; se < cu_info.num_shader_engines; se++)
- for (sh = 0; sh < cu_info.num_shader_arrays_per_engine; sh++)
+ for (se = 0; se < gfx_info->max_shader_engines; se++)
+ for (sh = 0; sh < gfx_info->max_sh_per_se; sh++)
cu_per_sh[se][sh] = hweight32(
- cu_info.cu_bitmap[se % 4][sh + (se / 4) * cu_bitmap_sh_mul]);
+ cu_info->bitmap[xcc_inst][se % 4][sh + (se / 4) *
+ cu_bitmap_sh_mul]);
/* Symmetrically map cu_mask to all SEs & SHs:
* se_mask programs up to 2 SH in the upper and lower 16 bits.
@@ -164,20 +171,33 @@ void mqd_symmetrically_map_cu_mask(struct mqd_manager *mm,
* cu_mask[0] bit8 -> se_mask[0] bit1 (SE0,SH0,CU1)
* ...
*
+ * For GFX 9.4.3, the following code only looks at a
+ * subset of the cu_mask corresponding to the inst parameter.
+ * If we have n XCCs under one GPU node
+ * cu_mask[0] bit0 -> XCC0 se_mask[0] bit0 (XCC0,SE0,SH0,CU0)
+ * cu_mask[0] bit1 -> XCC1 se_mask[0] bit0 (XCC1,SE0,SH0,CU0)
+ * ..
+ * cu_mask[0] bitn -> XCCn se_mask[0] bit0 (XCCn,SE0,SH0,CU0)
+ * cu_mask[0] bit n+1 -> XCC0 se_mask[1] bit0 (XCC0,SE1,SH0,CU0)
+ *
+ * For example, if there are 6 XCCs under 1 KFD node, this code
+ * running for each inst, will look at the bits as:
+ * inst, inst + 6, inst + 12...
+ *
* First ensure all CUs are disabled, then enable user specified CUs.
*/
- for (i = 0; i < cu_info.num_shader_engines; i++)
+ for (i = 0; i < gfx_info->max_shader_engines; i++)
se_mask[i] = 0;
- i = 0;
- for (cu = 0; cu < 16; cu += inc) {
- for (sh = 0; sh < cu_info.num_shader_arrays_per_engine; sh++) {
- for (se = 0; se < cu_info.num_shader_engines; se++) {
+ i = inst;
+ for (cu = 0; cu < 16; cu += cu_inc) {
+ for (sh = 0; sh < gfx_info->max_sh_per_se; sh++) {
+ for (se = 0; se < gfx_info->max_shader_engines; se++) {
if (cu_per_sh[se][sh] > cu) {
if (cu_mask[i / 32] & (en_mask << (i % 32)))
se_mask[se] |= en_mask << (cu + sh * 16);
i += inc;
- if (i == cu_mask_count)
+ if (i >= cu_mask_count)
return;
}
}
@@ -205,7 +225,7 @@ void kfd_free_mqd_cp(struct mqd_manager *mm, void *mqd,
struct kfd_mem_obj *mqd_mem_obj)
{
if (mqd_mem_obj->gtt_mem) {
- amdgpu_amdkfd_free_gtt_mem(mm->dev->adev, mqd_mem_obj->gtt_mem);
+ amdgpu_amdkfd_free_gtt_mem(mm->dev->adev, &mqd_mem_obj->gtt_mem);
kfree(mqd_mem_obj);
} else {
kfd_gtt_sa_free(mm->dev, mqd_mem_obj);
@@ -272,3 +292,21 @@ uint64_t kfd_mqd_stride(struct mqd_manager *mm,
{
return mm->mqd_size;
}
+
+bool kfd_check_hiq_mqd_doorbell_id(struct kfd_node *node, uint32_t doorbell_id,
+ uint32_t inst)
+{
+ if (doorbell_id) {
+ struct device *dev = node->adev->dev;
+
+ if (node->adev->xcp_mgr && node->adev->xcp_mgr->num_xcps > 0)
+ dev_err(dev, "XCC %d: Queue preemption failed for queue with doorbell_id: %x\n",
+ inst, doorbell_id);
+ else
+ dev_err(dev, "Queue preemption failed for queue with doorbell_id: %x\n",
+ doorbell_id);
+ return true;
+ }
+
+ return false;
+}
generated by cgit (git 2.34.1) at 2025-12-26 12:37:53 +0000