From d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 02:45:28 +0000
Subject: [PATCH] add boot partition size
---
kernel/drivers/gpu/drm/amd/amdgpu/tonga_ih.c | 131 +++++++++++++++++--------------------------
1 files changed, 52 insertions(+), 79 deletions(-)
diff --git a/kernel/drivers/gpu/drm/amd/amdgpu/tonga_ih.c b/kernel/drivers/gpu/drm/amd/amdgpu/tonga_ih.c
index 52853d8..db0a3bd 100644
--- a/kernel/drivers/gpu/drm/amd/amdgpu/tonga_ih.c
+++ b/kernel/drivers/gpu/drm/amd/amdgpu/tonga_ih.c
@@ -20,7 +20,9 @@
* OTHER DEALINGS IN THE SOFTWARE.
*
*/
-#include <drm/drmP.h>
+
+#include <linux/pci.h>
+
#include "amdgpu.h"
#include "amdgpu_ih.h"
#include "vid.h"
@@ -99,9 +101,9 @@
*/
static int tonga_ih_irq_init(struct amdgpu_device *adev)
{
- int rb_bufsz;
u32 interrupt_cntl, ih_rb_cntl, ih_doorbell_rtpr;
- u64 wptr_off;
+ struct amdgpu_ih_ring *ih = &adev->irq.ih;
+ int rb_bufsz;
/* disable irqs */
tonga_ih_disable_interrupts(adev);
@@ -118,10 +120,7 @@
WREG32(mmINTERRUPT_CNTL, interrupt_cntl);
/* Ring Buffer base. [39:8] of 40-bit address of the beginning of the ring buffer*/
- if (adev->irq.ih.use_bus_addr)
- WREG32(mmIH_RB_BASE, adev->irq.ih.rb_dma_addr >> 8);
- else
- WREG32(mmIH_RB_BASE, adev->irq.ih.gpu_addr >> 8);
+ WREG32(mmIH_RB_BASE, ih->gpu_addr >> 8);
rb_bufsz = order_base_2(adev->irq.ih.ring_size / 4);
ih_rb_cntl = REG_SET_FIELD(0, IH_RB_CNTL, WPTR_OVERFLOW_CLEAR, 1);
@@ -136,12 +135,8 @@
WREG32(mmIH_RB_CNTL, ih_rb_cntl);
/* set the writeback address whether it's enabled or not */
- if (adev->irq.ih.use_bus_addr)
- wptr_off = adev->irq.ih.rb_dma_addr + (adev->irq.ih.wptr_offs * 4);
- else
- wptr_off = adev->wb.gpu_addr + (adev->irq.ih.wptr_offs * 4);
- WREG32(mmIH_RB_WPTR_ADDR_LO, lower_32_bits(wptr_off));
- WREG32(mmIH_RB_WPTR_ADDR_HI, upper_32_bits(wptr_off) & 0xFF);
+ WREG32(mmIH_RB_WPTR_ADDR_LO, lower_32_bits(ih->wptr_addr));
+ WREG32(mmIH_RB_WPTR_ADDR_HI, upper_32_bits(ih->wptr_addr) & 0xFF);
/* set rptr, wptr to 0 */
WREG32(mmIH_RB_RPTR, 0);
@@ -193,57 +188,38 @@
* 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]);
- else
- wptr = le32_to_cpu(adev->wb.wb[adev->irq.ih.wptr_offs]);
+ wptr = le32_to_cpu(*ih->wptr_cpu);
- if (REG_GET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW)) {
- wptr = REG_SET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW, 0);
- /* When a ring buffer overflow happen start parsing interrupt
- * from the last not overwritten vector (wptr + 16). Hopefully
- * 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;
- 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);
-}
+ if (!REG_GET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW))
+ goto out;
-/**
- * tonga_ih_prescreen_iv - prescreen an interrupt vector
- *
- * @adev: amdgpu_device pointer
- *
- * Returns true if the interrupt vector should be further processed.
- */
-static bool tonga_ih_prescreen_iv(struct amdgpu_device *adev)
-{
- u32 ring_index = adev->irq.ih.rptr >> 2;
- u16 pasid;
+ /* Double check that the overflow wasn't already cleared. */
+ wptr = RREG32(mmIH_RB_WPTR);
- switch (le32_to_cpu(adev->irq.ih.ring[ring_index]) & 0xff) {
- case 146:
- case 147:
- pasid = le32_to_cpu(adev->irq.ih.ring[ring_index + 2]) >> 16;
- if (!pasid || amdgpu_vm_pasid_fault_credit(adev, pasid))
- return true;
- break;
- default:
- /* Not a VM fault */
- return true;
- }
+ if (!REG_GET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW))
+ goto out;
- adev->irq.ih.rptr += 16;
- return false;
+ wptr = REG_SET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW, 0);
+
+ /* When a ring buffer overflow happen start parsing interrupt
+ * from the last not overwritten vector (wptr + 16). Hopefully
+ * this should allow us to catchup.
+ */
+
+ dev_warn(adev->dev, "IH ring buffer overflow (0x%08X, 0x%08X, 0x%08X)\n",
+ 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);
+
+out:
+ return (wptr & ih->ptr_mask);
}
/**
@@ -255,18 +231,19 @@
* position and also advance the position.
*/
static void tonga_ih_decode_iv(struct amdgpu_device *adev,
- struct amdgpu_iv_entry *entry)
+ struct amdgpu_ih_ring *ih,
+ struct amdgpu_iv_entry *entry)
{
/* wptr/rptr are in bytes! */
- u32 ring_index = adev->irq.ih.rptr >> 2;
+ u32 ring_index = ih->rptr >> 2;
uint32_t dw[4];
- dw[0] = le32_to_cpu(adev->irq.ih.ring[ring_index + 0]);
- dw[1] = le32_to_cpu(adev->irq.ih.ring[ring_index + 1]);
- dw[2] = le32_to_cpu(adev->irq.ih.ring[ring_index + 2]);
- dw[3] = le32_to_cpu(adev->irq.ih.ring[ring_index + 3]);
+ dw[0] = le32_to_cpu(ih->ring[ring_index + 0]);
+ dw[1] = le32_to_cpu(ih->ring[ring_index + 1]);
+ dw[2] = le32_to_cpu(ih->ring[ring_index + 2]);
+ dw[3] = le32_to_cpu(ih->ring[ring_index + 3]);
- entry->client_id = AMDGPU_IH_CLIENTID_LEGACY;
+ entry->client_id = AMDGPU_IRQ_CLIENTID_LEGACY;
entry->src_id = dw[0] & 0xff;
entry->src_data[0] = dw[1] & 0xfffffff;
entry->ring_id = dw[2] & 0xff;
@@ -274,7 +251,7 @@
entry->pasid = (dw[2] >> 16) & 0xffff;
/* wptr/rptr are in bytes! */
- adev->irq.ih.rptr += 16;
+ ih->rptr += 16;
}
/**
@@ -284,17 +261,15 @@
*
* 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;
- else
- adev->wb.wb[adev->irq.ih.rptr_offs] = adev->irq.ih.rptr;
- WDOORBELL32(adev->irq.ih.doorbell_index, adev->irq.ih.rptr);
+ *ih->rptr_cpu = ih->rptr;
+ WDOORBELL32(ih->doorbell_index, ih->rptr);
} else {
- WREG32(mmIH_RB_RPTR, adev->irq.ih.rptr);
+ WREG32(mmIH_RB_RPTR, ih->rptr);
}
}
@@ -317,12 +292,12 @@
int r;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
- r = amdgpu_ih_ring_init(adev, 64 * 1024, true);
+ r = amdgpu_ih_ring_init(adev, &adev->irq.ih, 64 * 1024, true);
if (r)
return r;
adev->irq.ih.use_doorbell = true;
- adev->irq.ih.doorbell_index = AMDGPU_DOORBELL_IH;
+ adev->irq.ih.doorbell_index = adev->doorbell_index.ih;
r = amdgpu_irq_init(adev);
@@ -334,7 +309,7 @@
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
amdgpu_irq_fini(adev);
- amdgpu_ih_ring_fini(adev);
+ amdgpu_ih_ring_fini(adev, &adev->irq.ih);
amdgpu_irq_remove_domain(adev);
return 0;
@@ -506,15 +481,13 @@
static const struct amdgpu_ih_funcs tonga_ih_funcs = {
.get_wptr = tonga_ih_get_wptr,
- .prescreen_iv = tonga_ih_prescreen_iv,
.decode_iv = tonga_ih_decode_iv,
.set_rptr = tonga_ih_set_rptr
};
static void tonga_ih_set_interrupt_funcs(struct amdgpu_device *adev)
{
- if (adev->irq.ih_funcs == NULL)
- adev->irq.ih_funcs = &tonga_ih_funcs;
+ adev->irq.ih_funcs = &tonga_ih_funcs;
}
const struct amdgpu_ip_block_version tonga_ih_ip_block =
--
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