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path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c109
1 files changed, 102 insertions, 7 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
index f9bef3154b99..e00b46180d2e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
@@ -26,6 +26,7 @@
#include "amdgpu.h"
#include "amdgpu_gfx.h"
#include "amdgpu_rlc.h"
+#include "amdgpu_ras.h"
/* delay 0.1 second to enable gfx off feature */
#define GFX_OFF_DELAY_ENABLE msecs_to_jiffies(100)
@@ -231,12 +232,10 @@ void amdgpu_gfx_compute_queue_acquire(struct amdgpu_device *adev)
void amdgpu_gfx_graphics_queue_acquire(struct amdgpu_device *adev)
{
- int i, queue, pipe, me;
+ int i, queue, me;
for (i = 0; i < AMDGPU_MAX_GFX_QUEUES; ++i) {
queue = i % adev->gfx.me.num_queue_per_pipe;
- pipe = (i / adev->gfx.me.num_queue_per_pipe)
- % adev->gfx.me.num_pipe_per_me;
me = (i / adev->gfx.me.num_queue_per_pipe)
/ adev->gfx.me.num_pipe_per_me;
@@ -320,8 +319,7 @@ int amdgpu_gfx_kiq_init_ring(struct amdgpu_device *adev,
return r;
}
-void amdgpu_gfx_kiq_free_ring(struct amdgpu_ring *ring,
- struct amdgpu_irq_src *irq)
+void amdgpu_gfx_kiq_free_ring(struct amdgpu_ring *ring)
{
amdgpu_device_wb_free(ring->adev, ring->adev->virt.reg_val_offs);
amdgpu_ring_fini(ring);
@@ -456,8 +454,6 @@ void amdgpu_gfx_mqd_sw_fini(struct amdgpu_device *adev)
}
ring = &adev->gfx.kiq.ring;
- if (adev->asic_type >= CHIP_NAVI10 && amdgpu_async_gfx_ring)
- kfree(adev->gfx.me.mqd_backup[AMDGPU_MAX_GFX_RINGS]);
kfree(adev->gfx.mec.mqd_backup[AMDGPU_MAX_COMPUTE_RINGS]);
amdgpu_bo_free_kernel(&ring->mqd_obj,
&ring->mqd_gpu_addr,
@@ -569,3 +565,102 @@ void amdgpu_gfx_off_ctrl(struct amdgpu_device *adev, bool enable)
mutex_unlock(&adev->gfx.gfx_off_mutex);
}
+
+int amdgpu_gfx_ras_late_init(struct amdgpu_device *adev)
+{
+ int r;
+ struct ras_fs_if fs_info = {
+ .sysfs_name = "gfx_err_count",
+ .debugfs_name = "gfx_err_inject",
+ };
+ struct ras_ih_if ih_info = {
+ .cb = amdgpu_gfx_process_ras_data_cb,
+ };
+
+ if (!adev->gfx.ras_if) {
+ adev->gfx.ras_if = kmalloc(sizeof(struct ras_common_if), GFP_KERNEL);
+ if (!adev->gfx.ras_if)
+ return -ENOMEM;
+ adev->gfx.ras_if->block = AMDGPU_RAS_BLOCK__GFX;
+ adev->gfx.ras_if->type = AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE;
+ adev->gfx.ras_if->sub_block_index = 0;
+ strcpy(adev->gfx.ras_if->name, "gfx");
+ }
+ fs_info.head = ih_info.head = *adev->gfx.ras_if;
+
+ r = amdgpu_ras_late_init(adev, adev->gfx.ras_if,
+ &fs_info, &ih_info);
+ if (r)
+ goto free;
+
+ if (amdgpu_ras_is_supported(adev, adev->gfx.ras_if->block)) {
+ r = amdgpu_irq_get(adev, &adev->gfx.cp_ecc_error_irq, 0);
+ if (r)
+ goto late_fini;
+ } else {
+ /* free gfx ras_if if ras is not supported */
+ r = 0;
+ goto free;
+ }
+
+ return 0;
+late_fini:
+ amdgpu_ras_late_fini(adev, adev->gfx.ras_if, &ih_info);
+free:
+ kfree(adev->gfx.ras_if);
+ adev->gfx.ras_if = NULL;
+ return r;
+}
+
+void amdgpu_gfx_ras_fini(struct amdgpu_device *adev)
+{
+ if (amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__GFX) &&
+ adev->gfx.ras_if) {
+ struct ras_common_if *ras_if = adev->gfx.ras_if;
+ struct ras_ih_if ih_info = {
+ .head = *ras_if,
+ .cb = amdgpu_gfx_process_ras_data_cb,
+ };
+
+ amdgpu_ras_late_fini(adev, ras_if, &ih_info);
+ kfree(ras_if);
+ }
+}
+
+int amdgpu_gfx_process_ras_data_cb(struct amdgpu_device *adev,
+ void *err_data,
+ struct amdgpu_iv_entry *entry)
+{
+ /* TODO ue will trigger an interrupt.
+ *
+ * When “Full RAS” is enabled, the per-IP interrupt sources should
+ * be disabled and the driver should only look for the aggregated
+ * interrupt via sync flood
+ */
+ if (!amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__GFX)) {
+ kgd2kfd_set_sram_ecc_flag(adev->kfd.dev);
+ if (adev->gfx.funcs->query_ras_error_count)
+ adev->gfx.funcs->query_ras_error_count(adev, err_data);
+ amdgpu_ras_reset_gpu(adev, 0);
+ }
+ return AMDGPU_RAS_SUCCESS;
+}
+
+int amdgpu_gfx_cp_ecc_error_irq(struct amdgpu_device *adev,
+ struct amdgpu_irq_src *source,
+ struct amdgpu_iv_entry *entry)
+{
+ struct ras_common_if *ras_if = adev->gfx.ras_if;
+ struct ras_dispatch_if ih_data = {
+ .entry = entry,
+ };
+
+ if (!ras_if)
+ return 0;
+
+ ih_data.head = *ras_if;
+
+ DRM_ERROR("CP ECC ERROR IRQ\n");
+ amdgpu_ras_interrupt_dispatch(adev, &ih_data);
+ return 0;
+}