Thanks,
Lijo
------------------------------------------------------------------------
*From:* amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> on behalf of
Andrey Grodzovsky <andrey.grodzovsky@xxxxxxx>
*Sent:* Wednesday, April 28, 2021 8:41:43 PM
*To:* dri-devel@xxxxxxxxxxxxxxxxxxxxx <dri-devel@xxxxxxxxxxxxxxxxxxxxx>;
amd-gfx@xxxxxxxxxxxxxxxxxxxxx <amd-gfx@xxxxxxxxxxxxxxxxxxxxx>;
linux-pci@xxxxxxxxxxxxxxx <linux-pci@xxxxxxxxxxxxxxx>;
ckoenig.leichtzumerken@xxxxxxxxx <ckoenig.leichtzumerken@xxxxxxxxx>;
daniel.vetter@xxxxxxxx <daniel.vetter@xxxxxxxx>; Wentland, Harry
<Harry.Wentland@xxxxxxx>
*Cc:* Grodzovsky, Andrey <Andrey.Grodzovsky@xxxxxxx>;
gregkh@xxxxxxxxxxxxxxxxxxx <gregkh@xxxxxxxxxxxxxxxxxxx>; Kuehling, Felix
<Felix.Kuehling@xxxxxxx>; ppaalanen@xxxxxxxxx <ppaalanen@xxxxxxxxx>;
helgaas@xxxxxxxxxx <helgaas@xxxxxxxxxx>; Deucher, Alexander
<Alexander.Deucher@xxxxxxx>
*Subject:* [PATCH v5 03/27] drm/amdgpu: Split amdgpu_device_fini into
early and late
Some of the stuff in amdgpu_device_fini such as HW interrupts
disable and pending fences finilization must be done right away on
pci_remove while most of the stuff which relates to finilizing and
releasing driver data structures can be kept until
drm_driver.release hook is called, i.e. when the last device
reference is dropped.
v4: Change functions prefix early->hw and late->sw
Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu.h | 6 ++++-
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 26 +++++++++++++++-------
drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 7 ++----
drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c | 15 ++++++++++++-
drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c | 26 +++++++++++++---------
drivers/gpu/drm/amd/amdgpu/amdgpu_irq.h | 3 ++-
drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 12 +++++++++-
drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 1 +
drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h | 3 ++-
drivers/gpu/drm/amd/amdgpu/cik_ih.c | 2 +-
drivers/gpu/drm/amd/amdgpu/cz_ih.c | 2 +-
drivers/gpu/drm/amd/amdgpu/iceland_ih.c | 2 +-
drivers/gpu/drm/amd/amdgpu/navi10_ih.c | 2 +-
drivers/gpu/drm/amd/amdgpu/si_ih.c | 2 +-
drivers/gpu/drm/amd/amdgpu/tonga_ih.c | 2 +-
drivers/gpu/drm/amd/amdgpu/vega10_ih.c | 2 +-
drivers/gpu/drm/amd/amdgpu/vega20_ih.c | 2 +-
17 files changed, 79 insertions(+), 36 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 1af2fa1591fd..fddb82897e5d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -1073,7 +1073,9 @@ static inline struct amdgpu_device
*amdgpu_ttm_adev(struct ttm_device *bdev)
int amdgpu_device_init(struct amdgpu_device *adev,
uint32_t flags);
-void amdgpu_device_fini(struct amdgpu_device *adev);
+void amdgpu_device_fini_hw(struct amdgpu_device *adev);
+void amdgpu_device_fini_sw(struct amdgpu_device *adev);
+
int amdgpu_gpu_wait_for_idle(struct amdgpu_device *adev);
void amdgpu_device_vram_access(struct amdgpu_device *adev, loff_t pos,
@@ -1289,6 +1291,8 @@ void amdgpu_driver_lastclose_kms(struct drm_device
*dev);
int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file
*file_priv);
void amdgpu_driver_postclose_kms(struct drm_device *dev,
struct drm_file *file_priv);
+void amdgpu_driver_release_kms(struct drm_device *dev);
+
int amdgpu_device_ip_suspend(struct amdgpu_device *adev);
int amdgpu_device_suspend(struct drm_device *dev, bool fbcon);
int amdgpu_device_resume(struct drm_device *dev, bool fbcon);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 6447cd6ca5a8..8d22b79fc1cd 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -3590,14 +3590,12 @@ int amdgpu_device_init(struct amdgpu_device *adev,
* Tear down the driver info (all asics).
* Called at driver shutdown.
*/
-void amdgpu_device_fini(struct amdgpu_device *adev)
+void amdgpu_device_fini_hw(struct amdgpu_device *adev)
{
dev_info(adev->dev, "amdgpu: finishing device.\n");
flush_delayed_work(&adev->delayed_init_work);
adev->shutdown = true;
- kfree(adev->pci_state);
-
/* make sure IB test finished before entering exclusive mode
* to avoid preemption on IB test
* */
@@ -3614,11 +3612,24 @@ void amdgpu_device_fini(struct amdgpu_device *adev)
else
drm_atomic_helper_shutdown(adev_to_drm(adev));
}
- amdgpu_fence_driver_fini(adev);
+ amdgpu_fence_driver_fini_hw(adev);
+
if (adev->pm_sysfs_en)
amdgpu_pm_sysfs_fini(adev);
+ if (adev->ucode_sysfs_en)
+ amdgpu_ucode_sysfs_fini(adev);
+ sysfs_remove_files(&adev->dev->kobj, amdgpu_dev_attributes);
+
+
amdgpu_fbdev_fini(adev);
+
+ amdgpu_irq_fini_hw(adev);
+}
+
+void amdgpu_device_fini_sw(struct amdgpu_device *adev)
+{
amdgpu_device_ip_fini(adev);
+ amdgpu_fence_driver_fini_sw(adev);
release_firmware(adev->firmware.gpu_info_fw);
adev->firmware.gpu_info_fw = NULL;
adev->accel_working = false;
@@ -3647,14 +3658,13 @@ void amdgpu_device_fini(struct amdgpu_device *adev)
adev->rmmio = NULL;
amdgpu_device_doorbell_fini(adev);
- if (adev->ucode_sysfs_en)
- amdgpu_ucode_sysfs_fini(adev);
-
- sysfs_remove_files(&adev->dev->kobj, amdgpu_dev_attributes);
if (IS_ENABLED(CONFIG_PERF_EVENTS))
amdgpu_pmu_fini(adev);
if (adev->mman.discovery_bin)
amdgpu_discovery_fini(adev);
+
+ kfree(adev->pci_state);
+
}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index 671ec1002230..54cb5ee2f563 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -1249,14 +1249,10 @@ amdgpu_pci_remove(struct pci_dev *pdev)
{
struct drm_device *dev = pci_get_drvdata(pdev);
-#ifdef MODULE
- if (THIS_MODULE->state != MODULE_STATE_GOING)
-#endif
- DRM_ERROR("Hotplug removal is not supported\n");
drm_dev_unplug(dev);
amdgpu_driver_unload_kms(dev);
+
pci_disable_device(pdev);
- pci_set_drvdata(pdev, NULL);
}
static void
@@ -1587,6 +1583,7 @@ static const struct drm_driver amdgpu_kms_driver = {
.dumb_create = amdgpu_mode_dumb_create,
.dumb_map_offset = amdgpu_mode_dumb_mmap,
.fops = &amdgpu_driver_kms_fops,
+ .release = &amdgpu_driver_release_kms,
.prime_handle_to_fd = drm_gem_prime_handle_to_fd,
.prime_fd_to_handle = drm_gem_prime_fd_to_handle,
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
index 8e0a5650d383..34d51e962799 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
@@ -523,7 +523,7 @@ int amdgpu_fence_driver_init(struct amdgpu_device *adev)
*
* Tear down the fence driver for all possible rings (all asics).
*/
-void amdgpu_fence_driver_fini(struct amdgpu_device *adev)
+void amdgpu_fence_driver_fini_hw(struct amdgpu_device *adev)
{
unsigned i, j;
int r;
@@ -544,6 +544,19 @@ void amdgpu_fence_driver_fini(struct amdgpu_device
*adev)
if (!ring->no_scheduler)
drm_sched_fini(&ring->sched);
del_timer_sync(&ring->fence_drv.fallback_timer);
+ }
+}
+
+void amdgpu_fence_driver_fini_sw(struct amdgpu_device *adev)
+{
+ unsigned int i, j;
+
+ for (i = 0; i < AMDGPU_MAX_RINGS; i++) {
+ struct amdgpu_ring *ring = adev->rings[i];
+
+ if (!ring || !ring->fence_drv.initialized)
+ continue;
+
for (j = 0; j <= ring->fence_drv.num_fences_mask; ++j)
dma_fence_put(ring->fence_drv.fences[j]);
kfree(ring->fence_drv.fences);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
index afbbec82a289..63e815c27585 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
@@ -49,6 +49,7 @@
#include <drm/drm_irq.h>
#include <drm/drm_vblank.h>
#include <drm/amdgpu_drm.h>
+#include <drm/drm_drv.h>
#include "amdgpu.h"
#include "amdgpu_ih.h"
#include "atom.h"
@@ -313,6 +314,20 @@ int amdgpu_irq_init(struct amdgpu_device *adev)
return 0;
}
+
+void amdgpu_irq_fini_hw(struct amdgpu_device *adev)
+{
+ if (adev->irq.installed) {
+ drm_irq_uninstall(&adev->ddev);
+ adev->irq.installed = false;
+ if (adev->irq.msi_enabled)
+ pci_free_irq_vectors(adev->pdev);
+
+ if (!amdgpu_device_has_dc_support(adev))
+ flush_work(&adev->hotplug_work);
+ }
+}
+
/**
* amdgpu_irq_fini - shut down interrupt handling
*
@@ -322,19 +337,10 @@ int amdgpu_irq_init(struct amdgpu_device *adev)
* functionality, shuts down vblank, hotplug and reset interrupt handling,
* turns off interrupts from all sources (all ASICs).
*/
-void amdgpu_irq_fini(struct amdgpu_device *adev)
+void amdgpu_irq_fini_sw(struct amdgpu_device *adev)
{
unsigned i, j;
- if (adev->irq.installed) {
- drm_irq_uninstall(adev_to_drm(adev));
- adev->irq.installed = false;
- if (adev->irq.msi_enabled)
- pci_free_irq_vectors(adev->pdev);
- if (!amdgpu_device_has_dc_support(adev))
- flush_work(&adev->hotplug_work);
- }
-
for (i = 0; i < AMDGPU_IRQ_CLIENTID_MAX; ++i) {
if (!adev->irq.client[i].sources)
continue;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.h
b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.h
index ac527e5deae6..392a7324e2b1 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.h
@@ -104,7 +104,8 @@ void amdgpu_irq_disable_all(struct amdgpu_device *adev);
irqreturn_t amdgpu_irq_handler(int irq, void *arg);
int amdgpu_irq_init(struct amdgpu_device *adev);
-void amdgpu_irq_fini(struct amdgpu_device *adev);
+void amdgpu_irq_fini_sw(struct amdgpu_device *adev);
+void amdgpu_irq_fini_hw(struct amdgpu_device *adev);
int amdgpu_irq_add_id(struct amdgpu_device *adev,
unsigned client_id, unsigned src_id,
struct amdgpu_irq_src *source);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
index 64beb3399604..1af3fba7bfd4 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -29,6 +29,7 @@
#include "amdgpu.h"
#include <drm/drm_debugfs.h>
#include <drm/amdgpu_drm.h>
+#include <drm/drm_drv.h>
#include "amdgpu_uvd.h"
#include "amdgpu_vce.h"
#include "atom.h"
@@ -93,7 +94,7 @@ void amdgpu_driver_unload_kms(struct drm_device *dev)
}
amdgpu_acpi_fini(adev);
- amdgpu_device_fini(adev);
+ amdgpu_device_fini_hw(adev);
}
void amdgpu_register_gpu_instance(struct amdgpu_device *adev)
@@ -1151,6 +1152,15 @@ void amdgpu_driver_postclose_kms(struct
drm_device *dev,
pm_runtime_put_autosuspend(dev->dev);
}
+
+void amdgpu_driver_release_kms(struct drm_device *dev)
+{
+ struct amdgpu_device *adev = drm_to_adev(dev);
+
+ amdgpu_device_fini_sw(adev);
+ pci_set_drvdata(adev->pdev, NULL);
+}
+
/*
* VBlank related functions.
*/
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
index 1fb2a91ad30a..c0a16eac4923 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
@@ -2142,6 +2142,7 @@ int amdgpu_ras_pre_fini(struct amdgpu_device *adev)
if (!con)
return 0;
+
/* Need disable ras on all IPs here before ip [hw/sw]fini */
amdgpu_ras_disable_all_features(adev, 0);
amdgpu_ras_recovery_fini(adev);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
index 56acec1075ac..0f195f7bf797 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
@@ -107,7 +107,8 @@ struct amdgpu_fence_driver {
};
int amdgpu_fence_driver_init(struct amdgpu_device *adev);
-void amdgpu_fence_driver_fini(struct amdgpu_device *adev);
+void amdgpu_fence_driver_fini_hw(struct amdgpu_device *adev);
+void amdgpu_fence_driver_fini_sw(struct amdgpu_device *adev);
void amdgpu_fence_driver_force_completion(struct amdgpu_ring *ring);
int amdgpu_fence_driver_init_ring(struct amdgpu_ring *ring,
diff --git a/drivers/gpu/drm/amd/amdgpu/cik_ih.c
b/drivers/gpu/drm/amd/amdgpu/cik_ih.c
index d3745711d55f..183d44a6583c 100644
--- a/drivers/gpu/drm/amd/amdgpu/cik_ih.c
+++ b/drivers/gpu/drm/amd/amdgpu/cik_ih.c
@@ -309,7 +309,7 @@ static int cik_ih_sw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
- amdgpu_irq_fini(adev);
+ amdgpu_irq_fini_sw(adev);
amdgpu_ih_ring_fini(adev, &adev->irq.ih);
amdgpu_irq_remove_domain(adev);
diff --git a/drivers/gpu/drm/amd/amdgpu/cz_ih.c
b/drivers/gpu/drm/amd/amdgpu/cz_ih.c
index 307c01301c87..d32743949003 100644
--- a/drivers/gpu/drm/amd/amdgpu/cz_ih.c
+++ b/drivers/gpu/drm/amd/amdgpu/cz_ih.c
@@ -301,7 +301,7 @@ static int cz_ih_sw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
- amdgpu_irq_fini(adev);
+ amdgpu_irq_fini_sw(adev);
amdgpu_ih_ring_fini(adev, &adev->irq.ih);
amdgpu_irq_remove_domain(adev);
diff --git a/drivers/gpu/drm/amd/amdgpu/iceland_ih.c
b/drivers/gpu/drm/amd/amdgpu/iceland_ih.c
index cc957471f31e..da96c6013477 100644
--- a/drivers/gpu/drm/amd/amdgpu/iceland_ih.c
+++ b/drivers/gpu/drm/amd/amdgpu/iceland_ih.c
@@ -300,7 +300,7 @@ static int iceland_ih_sw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
- amdgpu_irq_fini(adev);
+ amdgpu_irq_fini_sw(adev);
amdgpu_ih_ring_fini(adev, &adev->irq.ih);
amdgpu_irq_remove_domain(adev);
diff --git a/drivers/gpu/drm/amd/amdgpu/navi10_ih.c
b/drivers/gpu/drm/amd/amdgpu/navi10_ih.c
index f4e4040bbd25..5eea4550b856 100644
--- a/drivers/gpu/drm/amd/amdgpu/navi10_ih.c
+++ b/drivers/gpu/drm/amd/amdgpu/navi10_ih.c
@@ -569,7 +569,7 @@ static int navi10_ih_sw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
- amdgpu_irq_fini(adev);
+ amdgpu_irq_fini_sw(adev);
amdgpu_ih_ring_fini(adev, &adev->irq.ih_soft);
amdgpu_ih_ring_fini(adev, &adev->irq.ih2);
amdgpu_ih_ring_fini(adev, &adev->irq.ih1);
diff --git a/drivers/gpu/drm/amd/amdgpu/si_ih.c
b/drivers/gpu/drm/amd/amdgpu/si_ih.c
index 51880f6ef634..751307f3252c 100644
--- a/drivers/gpu/drm/amd/amdgpu/si_ih.c
+++ b/drivers/gpu/drm/amd/amdgpu/si_ih.c
@@ -175,7 +175,7 @@ static int si_ih_sw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
- amdgpu_irq_fini(adev);
+ amdgpu_irq_fini_sw(adev);
amdgpu_ih_ring_fini(adev, &adev->irq.ih);
return 0;
diff --git a/drivers/gpu/drm/amd/amdgpu/tonga_ih.c
b/drivers/gpu/drm/amd/amdgpu/tonga_ih.c
index 249fcbee7871..973d80ec7f6c 100644
--- a/drivers/gpu/drm/amd/amdgpu/tonga_ih.c
+++ b/drivers/gpu/drm/amd/amdgpu/tonga_ih.c
@@ -312,7 +312,7 @@ static int tonga_ih_sw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
- amdgpu_irq_fini(adev);
+ amdgpu_irq_fini_sw(adev);
amdgpu_ih_ring_fini(adev, &adev->irq.ih);
amdgpu_irq_remove_domain(adev);
diff --git a/drivers/gpu/drm/amd/amdgpu/vega10_ih.c
b/drivers/gpu/drm/amd/amdgpu/vega10_ih.c
index 88626d83e07b..2d0094c276ca 100644
--- a/drivers/gpu/drm/amd/amdgpu/vega10_ih.c
+++ b/drivers/gpu/drm/amd/amdgpu/vega10_ih.c
@@ -523,7 +523,7 @@ static int vega10_ih_sw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
- amdgpu_irq_fini(adev);
+ amdgpu_irq_fini_sw(adev);
amdgpu_ih_ring_fini(adev, &adev->irq.ih_soft);
amdgpu_ih_ring_fini(adev, &adev->irq.ih2);
amdgpu_ih_ring_fini(adev, &adev->irq.ih1);
diff --git a/drivers/gpu/drm/amd/amdgpu/vega20_ih.c
b/drivers/gpu/drm/amd/amdgpu/vega20_ih.c
index 5a3c867d5881..9059b21b079f 100644
--- a/drivers/gpu/drm/amd/amdgpu/vega20_ih.c
+++ b/drivers/gpu/drm/amd/amdgpu/vega20_ih.c
@@ -558,7 +558,7 @@ static int vega20_ih_sw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
- amdgpu_irq_fini(adev);
+ amdgpu_irq_fini_sw(adev);
amdgpu_ih_ring_fini(adev, &adev->irq.ih_soft);
amdgpu_ih_ring_fini(adev, &adev->irq.ih2);
amdgpu_ih_ring_fini(adev, &adev->irq.ih1);
--
2.25.1
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