[PATCH 7/9] drm/amdgpu: add IH ring to ih_get_wptr/ih_set_rptr
Christian König
ckoenig.leichtzumerken at gmail.com
Mon Sep 24 12:38:18 UTC 2018
Let's start to support multiple rings.
Signed-off-by: Christian König <christian.koenig at amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c | 6 +++---
drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h | 8 ++++----
drivers/gpu/drm/amd/amdgpu/cik_ih.c | 16 +++++++++-------
drivers/gpu/drm/amd/amdgpu/cz_ih.c | 16 +++++++++-------
drivers/gpu/drm/amd/amdgpu/iceland_ih.c | 16 +++++++++-------
drivers/gpu/drm/amd/amdgpu/si_ih.c | 16 +++++++++-------
drivers/gpu/drm/amd/amdgpu/tonga_ih.c | 28 +++++++++++++++-------------
drivers/gpu/drm/amd/amdgpu/vega10_ih.c | 32 +++++++++++++++++---------------
8 files changed, 75 insertions(+), 63 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c
index 8af67f649660..fb8dd6179926 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c
@@ -137,7 +137,7 @@ int amdgpu_ih_process(struct amdgpu_device *adev, struct amdgpu_ih_ring *ih,
if (!ih->enabled || adev->shutdown)
return IRQ_NONE;
- wptr = amdgpu_ih_get_wptr(adev);
+ wptr = amdgpu_ih_get_wptr(adev, ih);
restart_ih:
/* is somebody else already processing irqs? */
@@ -154,11 +154,11 @@ int amdgpu_ih_process(struct amdgpu_device *adev, struct amdgpu_ih_ring *ih,
ih->rptr &= ih->ptr_mask;
}
- amdgpu_ih_set_rptr(adev);
+ amdgpu_ih_set_rptr(adev, ih);
atomic_set(&ih->lock, 0);
/* make sure wptr hasn't changed while processing */
- wptr = amdgpu_ih_get_wptr(adev);
+ wptr = amdgpu_ih_get_wptr(adev, ih);
if (wptr != ih->rptr)
goto restart_ih;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h
index d88f82321ee4..61967e7b64a7 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h
@@ -52,12 +52,12 @@ struct amdgpu_ih_ring {
/* provided by the ih block */
struct amdgpu_ih_funcs {
/* ring read/write ptr handling, called from interrupt context */
- u32 (*get_wptr)(struct amdgpu_device *adev);
- void (*set_rptr)(struct amdgpu_device *adev);
+ u32 (*get_wptr)(struct amdgpu_device *adev, struct amdgpu_ih_ring *ih);
+ void (*set_rptr)(struct amdgpu_device *adev, struct amdgpu_ih_ring *ih);
};
-#define amdgpu_ih_get_wptr(adev) (adev)->irq.ih.funcs->get_wptr((adev))
-#define amdgpu_ih_set_rptr(adev) (adev)->irq.ih.funcs->set_rptr((adev))
+#define amdgpu_ih_get_wptr(adev, ih) (ih)->funcs->get_wptr((adev), (ih))
+#define amdgpu_ih_set_rptr(adev, ih) (ih)->funcs->set_rptr((adev), (ih))
int amdgpu_ih_ring_init(struct amdgpu_device *adev, struct amdgpu_ih_ring *ih,
unsigned ring_size, bool use_bus_addr);
diff --git a/drivers/gpu/drm/amd/amdgpu/cik_ih.c b/drivers/gpu/drm/amd/amdgpu/cik_ih.c
index 161f0225749c..341092768809 100644
--- a/drivers/gpu/drm/amd/amdgpu/cik_ih.c
+++ b/drivers/gpu/drm/amd/amdgpu/cik_ih.c
@@ -183,11 +183,12 @@ static void cik_ih_irq_disable(struct amdgpu_device *adev)
* Used by cik_irq_process().
* Returns the value of the wptr.
*/
-static u32 cik_ih_get_wptr(struct amdgpu_device *adev)
+static u32 cik_ih_get_wptr(struct amdgpu_device *adev,
+ struct amdgpu_ih_ring *ih)
{
u32 wptr, tmp;
- wptr = le32_to_cpu(adev->wb.wb[adev->irq.ih.wptr_offs]);
+ wptr = le32_to_cpu(adev->wb.wb[ih->wptr_offs]);
if (wptr & IH_RB_WPTR__RB_OVERFLOW_MASK) {
wptr &= ~IH_RB_WPTR__RB_OVERFLOW_MASK;
@@ -196,13 +197,13 @@ static u32 cik_ih_get_wptr(struct amdgpu_device *adev)
* this should allow us to catchup.
*/
dev_warn(adev->dev, "IH ring buffer overflow (0x%08X, 0x%08X, 0x%08X)\n",
- wptr, adev->irq.ih.rptr, (wptr + 16) & adev->irq.ih.ptr_mask);
- adev->irq.ih.rptr = (wptr + 16) & adev->irq.ih.ptr_mask;
+ wptr, ih->rptr, (wptr + 16) & ih->ptr_mask);
+ ih->rptr = (wptr + 16) & ih->ptr_mask;
tmp = RREG32(mmIH_RB_CNTL);
tmp |= IH_RB_CNTL__WPTR_OVERFLOW_CLEAR_MASK;
WREG32(mmIH_RB_CNTL, tmp);
}
- return (wptr & adev->irq.ih.ptr_mask);
+ return (wptr & ih->ptr_mask);
}
/* CIK IV Ring
@@ -294,9 +295,10 @@ static void cik_ih_decode_iv(struct amdgpu_device *adev,
*
* Set the IH ring buffer rptr.
*/
-static void cik_ih_set_rptr(struct amdgpu_device *adev)
+static void cik_ih_set_rptr(struct amdgpu_device *adev,
+ struct amdgpu_ih_ring *ih)
{
- WREG32(mmIH_RB_RPTR, adev->irq.ih.rptr);
+ WREG32(mmIH_RB_RPTR, ih->rptr);
}
static int cik_ih_early_init(void *handle)
diff --git a/drivers/gpu/drm/amd/amdgpu/cz_ih.c b/drivers/gpu/drm/amd/amdgpu/cz_ih.c
index 648ecd774611..6ed750187ad7 100644
--- a/drivers/gpu/drm/amd/amdgpu/cz_ih.c
+++ b/drivers/gpu/drm/amd/amdgpu/cz_ih.c
@@ -185,11 +185,12 @@ static void cz_ih_irq_disable(struct amdgpu_device *adev)
* Used by cz_irq_process(VI).
* Returns the value of the wptr.
*/
-static u32 cz_ih_get_wptr(struct amdgpu_device *adev)
+static u32 cz_ih_get_wptr(struct amdgpu_device *adev,
+ struct amdgpu_ih_ring *ih)
{
u32 wptr, tmp;
- wptr = le32_to_cpu(adev->wb.wb[adev->irq.ih.wptr_offs]);
+ wptr = le32_to_cpu(adev->wb.wb[ih->wptr_offs]);
if (REG_GET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW)) {
wptr = REG_SET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW, 0);
@@ -198,13 +199,13 @@ static u32 cz_ih_get_wptr(struct amdgpu_device *adev)
* this should allow us to catchup.
*/
dev_warn(adev->dev, "IH ring buffer overflow (0x%08X, 0x%08X, 0x%08X)\n",
- wptr, adev->irq.ih.rptr, (wptr + 16) & adev->irq.ih.ptr_mask);
- adev->irq.ih.rptr = (wptr + 16) & adev->irq.ih.ptr_mask;
+ wptr, ih->rptr, (wptr + 16) & ih->ptr_mask);
+ ih->rptr = (wptr + 16) & ih->ptr_mask;
tmp = RREG32(mmIH_RB_CNTL);
tmp = REG_SET_FIELD(tmp, IH_RB_CNTL, WPTR_OVERFLOW_CLEAR, 1);
WREG32(mmIH_RB_CNTL, tmp);
}
- return (wptr & adev->irq.ih.ptr_mask);
+ return (wptr & ih->ptr_mask);
}
/**
@@ -273,9 +274,10 @@ static void cz_ih_decode_iv(struct amdgpu_device *adev,
*
* Set the IH ring buffer rptr.
*/
-static void cz_ih_set_rptr(struct amdgpu_device *adev)
+static void cz_ih_set_rptr(struct amdgpu_device *adev,
+ struct amdgpu_ih_ring *ih)
{
- WREG32(mmIH_RB_RPTR, adev->irq.ih.rptr);
+ WREG32(mmIH_RB_RPTR, ih->rptr);
}
static int cz_ih_early_init(void *handle)
diff --git a/drivers/gpu/drm/amd/amdgpu/iceland_ih.c b/drivers/gpu/drm/amd/amdgpu/iceland_ih.c
index 6139186ccd36..c779d708c306 100644
--- a/drivers/gpu/drm/amd/amdgpu/iceland_ih.c
+++ b/drivers/gpu/drm/amd/amdgpu/iceland_ih.c
@@ -185,11 +185,12 @@ static void iceland_ih_irq_disable(struct amdgpu_device *adev)
* Used by cz_irq_process(VI).
* Returns the value of the wptr.
*/
-static u32 iceland_ih_get_wptr(struct amdgpu_device *adev)
+static u32 iceland_ih_get_wptr(struct amdgpu_device *adev,
+ struct amdgpu_ih_ring *ih)
{
u32 wptr, tmp;
- wptr = le32_to_cpu(adev->wb.wb[adev->irq.ih.wptr_offs]);
+ wptr = le32_to_cpu(adev->wb.wb[ih->wptr_offs]);
if (REG_GET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW)) {
wptr = REG_SET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW, 0);
@@ -198,13 +199,13 @@ static u32 iceland_ih_get_wptr(struct amdgpu_device *adev)
* this should allow us to catchup.
*/
dev_warn(adev->dev, "IH ring buffer overflow (0x%08X, 0x%08X, 0x%08X)\n",
- wptr, adev->irq.ih.rptr, (wptr + 16) & adev->irq.ih.ptr_mask);
- adev->irq.ih.rptr = (wptr + 16) & adev->irq.ih.ptr_mask;
+ wptr, ih->rptr, (wptr + 16) & ih->ptr_mask);
+ ih->rptr = (wptr + 16) & ih->ptr_mask;
tmp = RREG32(mmIH_RB_CNTL);
tmp = REG_SET_FIELD(tmp, IH_RB_CNTL, WPTR_OVERFLOW_CLEAR, 1);
WREG32(mmIH_RB_CNTL, tmp);
}
- return (wptr & adev->irq.ih.ptr_mask);
+ return (wptr & ih->ptr_mask);
}
/**
@@ -273,9 +274,10 @@ static void iceland_ih_decode_iv(struct amdgpu_device *adev,
*
* Set the IH ring buffer rptr.
*/
-static void iceland_ih_set_rptr(struct amdgpu_device *adev)
+static void iceland_ih_set_rptr(struct amdgpu_device *adev,
+ struct amdgpu_ih_ring *ih)
{
- WREG32(mmIH_RB_RPTR, adev->irq.ih.rptr);
+ WREG32(mmIH_RB_RPTR, ih->rptr);
}
static int iceland_ih_early_init(void *handle)
diff --git a/drivers/gpu/drm/amd/amdgpu/si_ih.c b/drivers/gpu/drm/amd/amdgpu/si_ih.c
index 16f212f3b534..a005824d8b9a 100644
--- a/drivers/gpu/drm/amd/amdgpu/si_ih.c
+++ b/drivers/gpu/drm/amd/amdgpu/si_ih.c
@@ -100,22 +100,23 @@ static void si_ih_irq_disable(struct amdgpu_device *adev)
mdelay(1);
}
-static u32 si_ih_get_wptr(struct amdgpu_device *adev)
+static u32 si_ih_get_wptr(struct amdgpu_device *adev,
+ struct amdgpu_ih_ring *ih)
{
u32 wptr, tmp;
- wptr = le32_to_cpu(adev->wb.wb[adev->irq.ih.wptr_offs]);
+ wptr = le32_to_cpu(adev->wb.wb[ih->wptr_offs]);
if (wptr & IH_RB_WPTR__RB_OVERFLOW_MASK) {
wptr &= ~IH_RB_WPTR__RB_OVERFLOW_MASK;
dev_warn(adev->dev, "IH ring buffer overflow (0x%08X, 0x%08X, 0x%08X)\n",
- wptr, adev->irq.ih.rptr, (wptr + 16) & adev->irq.ih.ptr_mask);
- adev->irq.ih.rptr = (wptr + 16) & adev->irq.ih.ptr_mask;
+ wptr, ih->rptr, (wptr + 16) & ih->ptr_mask);
+ ih->rptr = (wptr + 16) & ih->ptr_mask;
tmp = RREG32(IH_RB_CNTL);
tmp |= IH_RB_CNTL__WPTR_OVERFLOW_CLEAR_MASK;
WREG32(IH_RB_CNTL, tmp);
}
- return (wptr & adev->irq.ih.ptr_mask);
+ return (wptr & ih->ptr_mask);
}
/**
@@ -151,9 +152,10 @@ static void si_ih_decode_iv(struct amdgpu_device *adev,
adev->irq.ih.rptr += 16;
}
-static void si_ih_set_rptr(struct amdgpu_device *adev)
+static void si_ih_set_rptr(struct amdgpu_device *adev,
+ struct amdgpu_ih_ring *ih)
{
- WREG32(IH_RB_RPTR, adev->irq.ih.rptr);
+ WREG32(IH_RB_RPTR, ih->rptr);
}
static int si_ih_early_init(void *handle)
diff --git a/drivers/gpu/drm/amd/amdgpu/tonga_ih.c b/drivers/gpu/drm/amd/amdgpu/tonga_ih.c
index 6120ac3c7667..3618dc0c6804 100644
--- a/drivers/gpu/drm/amd/amdgpu/tonga_ih.c
+++ b/drivers/gpu/drm/amd/amdgpu/tonga_ih.c
@@ -193,14 +193,15 @@ static void tonga_ih_irq_disable(struct amdgpu_device *adev)
* Used by cz_irq_process(VI).
* Returns the value of the wptr.
*/
-static u32 tonga_ih_get_wptr(struct amdgpu_device *adev)
+static u32 tonga_ih_get_wptr(struct amdgpu_device *adev,
+ struct amdgpu_ih_ring *ih)
{
u32 wptr, tmp;
if (adev->irq.ih.use_bus_addr)
- wptr = le32_to_cpu(adev->irq.ih.ring[adev->irq.ih.wptr_offs]);
+ wptr = le32_to_cpu(ih->ring[ih->wptr_offs]);
else
- wptr = le32_to_cpu(adev->wb.wb[adev->irq.ih.wptr_offs]);
+ wptr = le32_to_cpu(adev->wb.wb[ih->wptr_offs]);
if (REG_GET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW)) {
wptr = REG_SET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW, 0);
@@ -209,13 +210,13 @@ static u32 tonga_ih_get_wptr(struct amdgpu_device *adev)
* this should allow us to catchup.
*/
dev_warn(adev->dev, "IH ring buffer overflow (0x%08X, 0x%08X, 0x%08X)\n",
- wptr, adev->irq.ih.rptr, (wptr + 16) & adev->irq.ih.ptr_mask);
- adev->irq.ih.rptr = (wptr + 16) & adev->irq.ih.ptr_mask;
+ wptr, ih->rptr, (wptr + 16) & ih->ptr_mask);
+ ih->rptr = (wptr + 16) & ih->ptr_mask;
tmp = RREG32(mmIH_RB_CNTL);
tmp = REG_SET_FIELD(tmp, IH_RB_CNTL, WPTR_OVERFLOW_CLEAR, 1);
WREG32(mmIH_RB_CNTL, tmp);
}
- return (wptr & adev->irq.ih.ptr_mask);
+ return (wptr & ih->ptr_mask);
}
/**
@@ -284,17 +285,18 @@ static void tonga_ih_decode_iv(struct amdgpu_device *adev,
*
* Set the IH ring buffer rptr.
*/
-static void tonga_ih_set_rptr(struct amdgpu_device *adev)
+static void tonga_ih_set_rptr(struct amdgpu_device *adev,
+ struct amdgpu_ih_ring *ih)
{
- if (adev->irq.ih.use_doorbell) {
+ if (ih->use_doorbell) {
/* XXX check if swapping is necessary on BE */
- if (adev->irq.ih.use_bus_addr)
- adev->irq.ih.ring[adev->irq.ih.rptr_offs] = adev->irq.ih.rptr;
+ if (ih->use_bus_addr)
+ ih->ring[ih->rptr_offs] = ih->rptr;
else
- adev->wb.wb[adev->irq.ih.rptr_offs] = adev->irq.ih.rptr;
- WDOORBELL32(adev->irq.ih.doorbell_index, adev->irq.ih.rptr);
+ adev->wb.wb[ih->rptr_offs] = ih->rptr;
+ WDOORBELL32(ih->doorbell_index, ih->rptr);
} else {
- WREG32(mmIH_RB_RPTR, adev->irq.ih.rptr);
+ WREG32(mmIH_RB_RPTR, ih->rptr);
}
}
diff --git a/drivers/gpu/drm/amd/amdgpu/vega10_ih.c b/drivers/gpu/drm/amd/amdgpu/vega10_ih.c
index a9737adf8392..12d4e3ec851e 100644
--- a/drivers/gpu/drm/amd/amdgpu/vega10_ih.c
+++ b/drivers/gpu/drm/amd/amdgpu/vega10_ih.c
@@ -191,14 +191,15 @@ static void vega10_ih_irq_disable(struct amdgpu_device *adev)
* ring buffer overflow and deal with it.
* Returns the value of the wptr.
*/
-static u32 vega10_ih_get_wptr(struct amdgpu_device *adev)
+static u32 vega10_ih_get_wptr(struct amdgpu_device *adev,
+ struct amdgpu_ih_ring *ih)
{
u32 wptr, tmp;
- if (adev->irq.ih.use_bus_addr)
- wptr = le32_to_cpu(adev->irq.ih.ring[adev->irq.ih.wptr_offs]);
+ if (ih->use_bus_addr)
+ wptr = le32_to_cpu(ih->ring[ih->wptr_offs]);
else
- wptr = le32_to_cpu(adev->wb.wb[adev->irq.ih.wptr_offs]);
+ wptr = le32_to_cpu(adev->wb.wb[ih->wptr_offs]);
if (REG_GET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW)) {
wptr = REG_SET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW, 0);
@@ -207,16 +208,16 @@ static u32 vega10_ih_get_wptr(struct amdgpu_device *adev)
* from the last not overwritten vector (wptr + 32). Hopefully
* this should allow us to catchup.
*/
- tmp = (wptr + 32) & adev->irq.ih.ptr_mask;
+ tmp = (wptr + 32) & ih->ptr_mask;
dev_warn(adev->dev, "IH ring buffer overflow (0x%08X, 0x%08X, 0x%08X)\n",
- wptr, adev->irq.ih.rptr, tmp);
- adev->irq.ih.rptr = tmp;
+ wptr, ih->rptr, tmp);
+ ih->rptr = tmp;
tmp = RREG32_NO_KIQ(SOC15_REG_OFFSET(OSSSYS, 0, mmIH_RB_CNTL));
tmp = REG_SET_FIELD(tmp, IH_RB_CNTL, WPTR_OVERFLOW_CLEAR, 1);
WREG32_NO_KIQ(SOC15_REG_OFFSET(OSSSYS, 0, mmIH_RB_CNTL), tmp);
}
- return (wptr & adev->irq.ih.ptr_mask);
+ return (wptr & ih->ptr_mask);
}
/**
@@ -353,17 +354,18 @@ static void vega10_ih_decode_iv(struct amdgpu_device *adev,
*
* Set the IH ring buffer rptr.
*/
-static void vega10_ih_set_rptr(struct amdgpu_device *adev)
+static void vega10_ih_set_rptr(struct amdgpu_device *adev,
+ struct amdgpu_ih_ring *ih)
{
- if (adev->irq.ih.use_doorbell) {
+ if (ih->use_doorbell) {
/* XXX check if swapping is necessary on BE */
- if (adev->irq.ih.use_bus_addr)
- adev->irq.ih.ring[adev->irq.ih.rptr_offs] = adev->irq.ih.rptr;
+ if (ih->use_bus_addr)
+ ih->ring[ih->rptr_offs] = ih->rptr;
else
- adev->wb.wb[adev->irq.ih.rptr_offs] = adev->irq.ih.rptr;
- WDOORBELL32(adev->irq.ih.doorbell_index, adev->irq.ih.rptr);
+ adev->wb.wb[ih->rptr_offs] = ih->rptr;
+ WDOORBELL32(ih->doorbell_index, ih->rptr);
} else {
- WREG32_SOC15(OSSSYS, 0, mmIH_RB_RPTR, adev->irq.ih.rptr);
+ WREG32_SOC15(OSSSYS, 0, mmIH_RB_RPTR, ih->rptr);
}
}
--
2.14.1
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