Re: [PATCH] drm/amdgpu: cleanup amdgpu_ih_process a bit more
Sorry, I thought I had reviewed that already. The change is Reviewed-by: Felix
Kuehling
From: amd-gfx on behalf of Christian
König
Sent: Friday, February 8, 2019 7:42 AM
To: amd-gfx@lists.freedesktop.org
Subject: Re: [PATCH] drm/amdgpu: cleanup amdgpu_ih_process a bit more
Ping? Just a minor cleanup without functional change.
Am 16.01.19 um 15:32 schrieb Christian König:
> Remove the callback and call the dispatcher directly.
>
> Signed-off-by: Christian König
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c | 6 ++--
> drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h | 4 +--
> drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c | 48 +
> drivers/gpu/drm/amd/amdgpu/amdgpu_irq.h | 2 +-
> 4 files changed, 21 insertions(+), 39 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c
> index d0a5db777b6d..1c50be3ab8a9 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c
> @@ -140,9 +140,7 @@ void amdgpu_ih_ring_fini(struct amdgpu_device *adev,
> struct amdgpu_ih_ring *ih)
>* Interrupt hander (VI), walk the IH ring.
>* Returns irq process return code.
>*/
> -int amdgpu_ih_process(struct amdgpu_device *adev, struct amdgpu_ih_ring *ih,
> - void (*callback)(struct amdgpu_device *adev,
> -struct amdgpu_ih_ring *ih))
> +int amdgpu_ih_process(struct amdgpu_device *adev, struct amdgpu_ih_ring *ih)
> {
> u32 wptr;
>
> @@ -162,7 +160,7 @@ int amdgpu_ih_process(struct amdgpu_device *adev, struct
> amdgpu_ih_ring *ih,
> rmb();
>
> while (ih->rptr != wptr) {
> - callback(adev, ih);
> + amdgpu_irq_dispatch(adev, ih);
> ih->rptr &= ih->ptr_mask;
> }
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h
> index 1ccb1831382a..113a1ba13d4a 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h
> @@ -69,8 +69,6 @@ struct amdgpu_ih_funcs {
> int amdgpu_ih_ring_init(struct amdgpu_device *adev, struct amdgpu_ih_ring
> *ih,
> unsigned ring_size, bool use_bus_addr);
> void amdgpu_ih_ring_fini(struct amdgpu_device *adev, struct amdgpu_ih_ring
> *ih);
> -int amdgpu_ih_process(struct amdgpu_device *adev, struct amdgpu_ih_ring *ih,
> - void (*callback)(struct amdgpu_device *adev,
> -struct amdgpu_ih_ring *ih));
> +int amdgpu_ih_process(struct amdgpu_device *adev, struct amdgpu_ih_ring *ih);
>
> #endif
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
> index 8bfb3dab46f7..af4c3b1af322 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
> @@ -130,29 +130,6 @@ void amdgpu_irq_disable_all(struct amdgpu_device *adev)
> spin_unlock_irqrestore(&adev->irq.lock, irqflags);
> }
>
> -/**
> - * amdgpu_irq_callback - callback from the IH ring
> - *
> - * @adev: amdgpu device pointer
> - * @ih: amdgpu ih ring
> - *
> - * Callback from IH ring processing to handle the entry at the current
> position
> - * and advance the read pointer.
> - */
> -static void amdgpu_irq_callback(struct amdgpu_device *adev,
> - struct amdgpu_ih_ring *ih)
> -{
> - u32 ring_index = ih->rptr >> 2;
> - struct amdgpu_iv_entry entry;
> -
> - entry.iv_entry = (const uint32_t *)&ih->ring[ring_index];
> - amdgpu_ih_decode_iv(adev, &entry);
> -
> - trace_amdgpu_iv(ih - &adev->irq.ih, &entry);
> -
> - amdgpu_irq_dispatch(adev, &entry);
> -}
> -
> /**
>* amdgpu_irq_handler - IRQ handler
>*
> @@ -170,7 +147,7 @@ irqreturn_t amdgpu_irq_handler(int irq, void *arg)
> struct amdgpu_device *adev = dev->dev_private;
> irqreturn_t ret;
>
> - ret = amdgpu_ih_process(adev, &adev->irq.ih, amdgpu_irq_callback);
> + ret = amdgpu_ih_process(adev, &adev->irq.ih);
> if (ret == IRQ_HANDLED)
> pm_runtime_mark_last_busy(dev->dev);
> return ret;
> @@ -188,7 +165,7 @@ static void amdgpu_irq_handle_ih1(struct work_struct
> *work)
> struct amdgpu_device *adev = container_of(work, struct amdgpu_device,
> irq.ih1_work);
>
> - amdgpu_ih_process(adev, &adev->irq.ih1, amdgpu_irq_callback);
> + amdgpu_ih_process(adev, &adev->irq.ih1);
> }
>
> /**
&
Re: [PATCH] drm/amdgpu: cleanup amdgpu_ih_process a bit more
Ping? Just a minor cleanup without functional change.
Am 16.01.19 um 15:32 schrieb Christian König:
Remove the callback and call the dispatcher directly.
Signed-off-by: Christian König
---
drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c | 6 ++--
drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h | 4 +--
drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c | 48 +
drivers/gpu/drm/amd/amdgpu/amdgpu_irq.h | 2 +-
4 files changed, 21 insertions(+), 39 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c
index d0a5db777b6d..1c50be3ab8a9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c
@@ -140,9 +140,7 @@ void amdgpu_ih_ring_fini(struct amdgpu_device *adev, struct
amdgpu_ih_ring *ih)
* Interrupt hander (VI), walk the IH ring.
* Returns irq process return code.
*/
-int amdgpu_ih_process(struct amdgpu_device *adev, struct amdgpu_ih_ring *ih,
- void (*callback)(struct amdgpu_device *adev,
- struct amdgpu_ih_ring *ih))
+int amdgpu_ih_process(struct amdgpu_device *adev, struct amdgpu_ih_ring *ih)
{
u32 wptr;
@@ -162,7 +160,7 @@ int amdgpu_ih_process(struct amdgpu_device *adev, struct amdgpu_ih_ring *ih,
rmb();
while (ih->rptr != wptr) {
- callback(adev, ih);
+ amdgpu_irq_dispatch(adev, ih);
ih->rptr &= ih->ptr_mask;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h
index 1ccb1831382a..113a1ba13d4a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h
@@ -69,8 +69,6 @@ struct amdgpu_ih_funcs {
int amdgpu_ih_ring_init(struct amdgpu_device *adev, struct amdgpu_ih_ring *ih,
unsigned ring_size, bool use_bus_addr);
void amdgpu_ih_ring_fini(struct amdgpu_device *adev, struct amdgpu_ih_ring
*ih);
-int amdgpu_ih_process(struct amdgpu_device *adev, struct amdgpu_ih_ring *ih,
- void (*callback)(struct amdgpu_device *adev,
- struct amdgpu_ih_ring *ih));
+int amdgpu_ih_process(struct amdgpu_device *adev, struct amdgpu_ih_ring *ih);
#endif
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
index 8bfb3dab46f7..af4c3b1af322 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
@@ -130,29 +130,6 @@ void amdgpu_irq_disable_all(struct amdgpu_device *adev)
spin_unlock_irqrestore(&adev->irq.lock, irqflags);
}
-/**
- * amdgpu_irq_callback - callback from the IH ring
- *
- * @adev: amdgpu device pointer
- * @ih: amdgpu ih ring
- *
- * Callback from IH ring processing to handle the entry at the current position
- * and advance the read pointer.
- */
-static void amdgpu_irq_callback(struct amdgpu_device *adev,
- struct amdgpu_ih_ring *ih)
-{
- u32 ring_index = ih->rptr >> 2;
- struct amdgpu_iv_entry entry;
-
- entry.iv_entry = (const uint32_t *)&ih->ring[ring_index];
- amdgpu_ih_decode_iv(adev, &entry);
-
- trace_amdgpu_iv(ih - &adev->irq.ih, &entry);
-
- amdgpu_irq_dispatch(adev, &entry);
-}
-
/**
* amdgpu_irq_handler - IRQ handler
*
@@ -170,7 +147,7 @@ irqreturn_t amdgpu_irq_handler(int irq, void *arg)
struct amdgpu_device *adev = dev->dev_private;
irqreturn_t ret;
- ret = amdgpu_ih_process(adev, &adev->irq.ih, amdgpu_irq_callback);
+ ret = amdgpu_ih_process(adev, &adev->irq.ih);
if (ret == IRQ_HANDLED)
pm_runtime_mark_last_busy(dev->dev);
return ret;
@@ -188,7 +165,7 @@ static void amdgpu_irq_handle_ih1(struct work_struct *work)
struct amdgpu_device *adev = container_of(work, struct amdgpu_device,
irq.ih1_work);
- amdgpu_ih_process(adev, &adev->irq.ih1, amdgpu_irq_callback);
+ amdgpu_ih_process(adev, &adev->irq.ih1);
}
/**
@@ -203,7 +180,7 @@ static void amdgpu_irq_handle_ih2(struct work_struct *work)
struct amdgpu_device *adev = container_of(work, struct amdgpu_device,
irq.ih2_work);
- amdgpu_ih_process(adev, &adev->irq.ih2, amdgpu_irq_callback);
+ amdgpu_ih_process(adev, &adev->irq.ih2);
}
/**
@@ -394,14 +371,23 @@ int amdgpu_irq_add_id(struct amdgpu_device *adev,
* Dispatches IRQ to IP blocks.
*/
void amdgpu_irq_dispatch(struct amdgpu_device *adev,
-struct amdgpu_iv_entry *entry)
+struct amdgpu_ih_ring *ih)
{
- unsigned client_id = entry->client_id;
- unsigned src_id = entry->src_id;
+ u32 ring_index = ih->rptr >> 2;
+ struct amdgpu_iv_entry entry;
+ unsigned client_id, src_id;
struct amdgpu_irq_src *src;
bool handled
[PATCH] drm/amdgpu: cleanup amdgpu_ih_process a bit more
Remove the callback and call the dispatcher directly.
Signed-off-by: Christian König
---
drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c | 6 ++--
drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h | 4 +--
drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c | 48 +
drivers/gpu/drm/amd/amdgpu/amdgpu_irq.h | 2 +-
4 files changed, 21 insertions(+), 39 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c
index d0a5db777b6d..1c50be3ab8a9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c
@@ -140,9 +140,7 @@ void amdgpu_ih_ring_fini(struct amdgpu_device *adev, struct
amdgpu_ih_ring *ih)
* Interrupt hander (VI), walk the IH ring.
* Returns irq process return code.
*/
-int amdgpu_ih_process(struct amdgpu_device *adev, struct amdgpu_ih_ring *ih,
- void (*callback)(struct amdgpu_device *adev,
- struct amdgpu_ih_ring *ih))
+int amdgpu_ih_process(struct amdgpu_device *adev, struct amdgpu_ih_ring *ih)
{
u32 wptr;
@@ -162,7 +160,7 @@ int amdgpu_ih_process(struct amdgpu_device *adev, struct
amdgpu_ih_ring *ih,
rmb();
while (ih->rptr != wptr) {
- callback(adev, ih);
+ amdgpu_irq_dispatch(adev, ih);
ih->rptr &= ih->ptr_mask;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h
b/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h
index 1ccb1831382a..113a1ba13d4a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h
@@ -69,8 +69,6 @@ struct amdgpu_ih_funcs {
int amdgpu_ih_ring_init(struct amdgpu_device *adev, struct amdgpu_ih_ring *ih,
unsigned ring_size, bool use_bus_addr);
void amdgpu_ih_ring_fini(struct amdgpu_device *adev, struct amdgpu_ih_ring
*ih);
-int amdgpu_ih_process(struct amdgpu_device *adev, struct amdgpu_ih_ring *ih,
- void (*callback)(struct amdgpu_device *adev,
- struct amdgpu_ih_ring *ih));
+int amdgpu_ih_process(struct amdgpu_device *adev, struct amdgpu_ih_ring *ih);
#endif
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
index 8bfb3dab46f7..af4c3b1af322 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
@@ -130,29 +130,6 @@ void amdgpu_irq_disable_all(struct amdgpu_device *adev)
spin_unlock_irqrestore(&adev->irq.lock, irqflags);
}
-/**
- * amdgpu_irq_callback - callback from the IH ring
- *
- * @adev: amdgpu device pointer
- * @ih: amdgpu ih ring
- *
- * Callback from IH ring processing to handle the entry at the current position
- * and advance the read pointer.
- */
-static void amdgpu_irq_callback(struct amdgpu_device *adev,
- struct amdgpu_ih_ring *ih)
-{
- u32 ring_index = ih->rptr >> 2;
- struct amdgpu_iv_entry entry;
-
- entry.iv_entry = (const uint32_t *)&ih->ring[ring_index];
- amdgpu_ih_decode_iv(adev, &entry);
-
- trace_amdgpu_iv(ih - &adev->irq.ih, &entry);
-
- amdgpu_irq_dispatch(adev, &entry);
-}
-
/**
* amdgpu_irq_handler - IRQ handler
*
@@ -170,7 +147,7 @@ irqreturn_t amdgpu_irq_handler(int irq, void *arg)
struct amdgpu_device *adev = dev->dev_private;
irqreturn_t ret;
- ret = amdgpu_ih_process(adev, &adev->irq.ih, amdgpu_irq_callback);
+ ret = amdgpu_ih_process(adev, &adev->irq.ih);
if (ret == IRQ_HANDLED)
pm_runtime_mark_last_busy(dev->dev);
return ret;
@@ -188,7 +165,7 @@ static void amdgpu_irq_handle_ih1(struct work_struct *work)
struct amdgpu_device *adev = container_of(work, struct amdgpu_device,
irq.ih1_work);
- amdgpu_ih_process(adev, &adev->irq.ih1, amdgpu_irq_callback);
+ amdgpu_ih_process(adev, &adev->irq.ih1);
}
/**
@@ -203,7 +180,7 @@ static void amdgpu_irq_handle_ih2(struct work_struct *work)
struct amdgpu_device *adev = container_of(work, struct amdgpu_device,
irq.ih2_work);
- amdgpu_ih_process(adev, &adev->irq.ih2, amdgpu_irq_callback);
+ amdgpu_ih_process(adev, &adev->irq.ih2);
}
/**
@@ -394,14 +371,23 @@ int amdgpu_irq_add_id(struct amdgpu_device *adev,
* Dispatches IRQ to IP blocks.
*/
void amdgpu_irq_dispatch(struct amdgpu_device *adev,
-struct amdgpu_iv_entry *entry)
+struct amdgpu_ih_ring *ih)
{
- unsigned client_id = entry->client_id;
- unsigned src_id = entry->src_id;
+ u32 ring_index = ih->rptr >> 2;
+ struct amdgpu_iv_entry entry;
+ unsigned client_id, src_id;
struct amdgpu_irq_src *src;
bool handled = false;
int r;
+ entry.iv_entry = (const uint32_t *)&ih->ring[ring_index];
+ amdgpu_ih_decode_iv(ad
