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path: root/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3691-drm-amdgpu-switch-to-amdgpu_ras_late_init-for-gfx-v9.patch
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Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3691-drm-amdgpu-switch-to-amdgpu_ras_late_init-for-gfx-v9.patch')
-rw-r--r--meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3691-drm-amdgpu-switch-to-amdgpu_ras_late_init-for-gfx-v9.patch145
1 files changed, 145 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3691-drm-amdgpu-switch-to-amdgpu_ras_late_init-for-gfx-v9.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3691-drm-amdgpu-switch-to-amdgpu_ras_late_init-for-gfx-v9.patch
new file mode 100644
index 00000000..4c2c6047
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3691-drm-amdgpu-switch-to-amdgpu_ras_late_init-for-gfx-v9.patch
@@ -0,0 +1,145 @@
+From 08122062113ca5f4b40a7f7ab32d1d20c76cf282 Mon Sep 17 00:00:00 2001
+From: Hawking Zhang <Hawking.Zhang@amd.com>
+Date: Thu, 29 Aug 2019 19:15:16 +0800
+Subject: [PATCH 3691/4256] drm/amdgpu: switch to amdgpu_ras_late_init for gfx
+ v9 block (v2)
+
+call helper function in late init phase to handle ras init
+for gfx ip block
+
+v2: call ras_late_fini to do clean up when fail to enable interrupt
+
+Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
+Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
+Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
+---
+ drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 92 ++++++---------------------
+ 1 file changed, 21 insertions(+), 71 deletions(-)
+
+diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+index d18ed269d241..3f0081ca45e3 100644
+--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
++++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+@@ -4404,7 +4404,6 @@ static int gfx_v9_0_process_ras_data_cb(struct amdgpu_device *adev,
+ static int gfx_v9_0_ecc_late_init(void *handle)
+ {
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+- struct ras_common_if **ras_if = &adev->gfx.ras_if;
+ struct ras_ih_if ih_info = {
+ .cb = gfx_v9_0_process_ras_data_cb,
+ };
+@@ -4412,18 +4411,18 @@ static int gfx_v9_0_ecc_late_init(void *handle)
+ .sysfs_name = "gfx_err_count",
+ .debugfs_name = "gfx_err_inject",
+ };
+- struct ras_common_if ras_block = {
+- .block = AMDGPU_RAS_BLOCK__GFX,
+- .type = AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE,
+- .sub_block_index = 0,
+- .name = "gfx",
+- };
+ int r;
+
+- if (!amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__GFX)) {
+- amdgpu_ras_feature_enable_on_boot(adev, &ras_block, 0);
+- return 0;
++ 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 = gfx_v9_0_do_edc_gds_workarounds(adev);
+ if (r)
+@@ -4434,71 +4433,22 @@ static int gfx_v9_0_ecc_late_init(void *handle)
+ if (r)
+ return r;
+
+- /* handle resume path. */
+- if (*ras_if) {
+- /* resend ras TA enable cmd during resume.
+- * prepare to handle failure.
+- */
+- ih_info.head = **ras_if;
+- r = amdgpu_ras_feature_enable_on_boot(adev, *ras_if, 1);
+- if (r) {
+- if (r == -EAGAIN) {
+- /* request a gpu reset. will run again. */
+- amdgpu_ras_request_reset_on_boot(adev,
+- AMDGPU_RAS_BLOCK__GFX);
+- return 0;
+- }
+- /* fail to enable ras, cleanup all. */
+- goto irq;
+- }
+- /* enable successfully. continue. */
+- goto resume;
+- }
+-
+- *ras_if = kmalloc(sizeof(**ras_if), GFP_KERNEL);
+- if (!*ras_if)
+- return -ENOMEM;
+-
+- **ras_if = ras_block;
+-
+- r = amdgpu_ras_feature_enable_on_boot(adev, *ras_if, 1);
+- if (r) {
+- if (r == -EAGAIN) {
+- amdgpu_ras_request_reset_on_boot(adev,
+- AMDGPU_RAS_BLOCK__GFX);
+- r = 0;
+- }
+- goto feature;
+- }
+-
+- ih_info.head = **ras_if;
+- fs_info.head = **ras_if;
+-
+- r = amdgpu_ras_interrupt_add_handler(adev, &ih_info);
++ r = amdgpu_ras_late_init(adev, adev->gfx.ras_if,
++ &fs_info, &ih_info);
+ if (r)
+- goto interrupt;
++ goto free;
+
+- amdgpu_ras_debugfs_create(adev, &fs_info);
+-
+- r = amdgpu_ras_sysfs_create(adev, &fs_info);
+- if (r)
+- goto sysfs;
+-resume:
+- r = amdgpu_irq_get(adev, &adev->gfx.cp_ecc_error_irq, 0);
+- if (r)
+- goto irq;
++ 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;
++ }
+
+ return 0;
+-irq:
+- amdgpu_ras_sysfs_remove(adev, *ras_if);
+-sysfs:
+- amdgpu_ras_debugfs_remove(adev, *ras_if);
+- amdgpu_ras_interrupt_remove_handler(adev, &ih_info);
+-interrupt:
+- amdgpu_ras_feature_enable(adev, *ras_if, 0);
+-feature:
+- kfree(*ras_if);
+- *ras_if = NULL;
++late_fini:
++ amdgpu_ras_late_fini(adev, adev->gfx.ras_if, &ih_info);
++free:
++ kfree(adev->gfx.ras_if);
+ return r;
+ }
+
+--
+2.17.1
+