From 1543e317f1da31b75942316931e8f491a8920811 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 04 Jan 2024 10:08:02 +0000
Subject: [PATCH] disable FB
---
kernel/drivers/gpu/drm/amd/amdgpu/cik_ih.c | 85 +++++++++++++-----------------------------
1 files changed, 27 insertions(+), 58 deletions(-)
diff --git a/kernel/drivers/gpu/drm/amd/amdgpu/cik_ih.c b/kernel/drivers/gpu/drm/amd/amdgpu/cik_ih.c
index 44d10c2..db953e9 100644
--- a/kernel/drivers/gpu/drm/amd/amdgpu/cik_ih.c
+++ b/kernel/drivers/gpu/drm/amd/amdgpu/cik_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 "cikd.h"
@@ -103,9 +105,9 @@
*/
static int cik_ih_irq_init(struct amdgpu_device *adev)
{
+ struct amdgpu_ih_ring *ih = &adev->irq.ih;
int rb_bufsz;
u32 interrupt_cntl, ih_cntl, ih_rb_cntl;
- u64 wptr_off;
/* disable irqs */
cik_ih_disable_interrupts(adev);
@@ -131,9 +133,8 @@
ih_rb_cntl |= IH_RB_CNTL__WPTR_WRITEBACK_ENABLE_MASK;
/* set the writeback address whether it's enabled or not */
- 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);
WREG32(mmIH_RB_CNTL, ih_rb_cntl);
@@ -183,11 +184,12 @@
* 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(*ih->wptr_cpu);
if (wptr & IH_RB_WPTR__RB_OVERFLOW_MASK) {
wptr &= ~IH_RB_WPTR__RB_OVERFLOW_MASK;
@@ -196,13 +198,13 @@
* 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
@@ -228,34 +230,6 @@
* [127:96] - reserved
*/
-/**
- * cik_ih_prescreen_iv - prescreen an interrupt vector
- *
- * @adev: amdgpu_device pointer
- *
- * Returns true if the interrupt vector should be further processed.
- */
-static bool cik_ih_prescreen_iv(struct amdgpu_device *adev)
-{
- u32 ring_index = adev->irq.ih.rptr >> 2;
- u16 pasid;
-
- 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;
- }
-
- adev->irq.ih.rptr += 16;
- return false;
-}
-
/**
* cik_ih_decode_iv - decode an interrupt vector
*
@@ -265,18 +239,19 @@
* position and also advance the position.
*/
static void cik_ih_decode_iv(struct amdgpu_device *adev,
+ 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;
@@ -284,7 +259,7 @@
entry->pasid = (dw[2] >> 16) & 0xffff;
/* wptr/rptr are in bytes! */
- adev->irq.ih.rptr += 16;
+ ih->rptr += 16;
}
/**
@@ -294,9 +269,10 @@
*
* 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)
@@ -318,7 +294,7 @@
int r;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
- r = amdgpu_ih_ring_init(adev, 64 * 1024, false);
+ r = amdgpu_ih_ring_init(adev, &adev->irq.ih, 64 * 1024, false);
if (r)
return r;
@@ -332,7 +308,7 @@
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;
@@ -340,14 +316,9 @@
static int cik_ih_hw_init(void *handle)
{
- int r;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
- r = cik_ih_irq_init(adev);
- if (r)
- return r;
-
- return 0;
+ return cik_ih_irq_init(adev);
}
static int cik_ih_hw_fini(void *handle)
@@ -461,15 +432,13 @@
static const struct amdgpu_ih_funcs cik_ih_funcs = {
.get_wptr = cik_ih_get_wptr,
- .prescreen_iv = cik_ih_prescreen_iv,
.decode_iv = cik_ih_decode_iv,
.set_rptr = cik_ih_set_rptr
};
static void cik_ih_set_interrupt_funcs(struct amdgpu_device *adev)
{
- if (adev->irq.ih_funcs == NULL)
- adev->irq.ih_funcs = &cik_ih_funcs;
+ adev->irq.ih_funcs = &cik_ih_funcs;
}
const struct amdgpu_ip_block_version cik_ih_ip_block =
--
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