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path: root/drivers/gpu/drm/nouveau/nouveau_irq.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_irq.c')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_irq.c160
1 files changed, 96 insertions, 64 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_irq.c b/drivers/gpu/drm/nouveau/nouveau_irq.c
index 3b9bad66162..95220ddebb4 100644
--- a/drivers/gpu/drm/nouveau/nouveau_irq.c
+++ b/drivers/gpu/drm/nouveau/nouveau_irq.c
@@ -211,6 +211,20 @@ nouveau_fifo_irq_handler(struct drm_device *dev)
get + 4);
}
+ if (status & NV_PFIFO_INTR_SEMAPHORE) {
+ uint32_t sem;
+
+ status &= ~NV_PFIFO_INTR_SEMAPHORE;
+ nv_wr32(dev, NV03_PFIFO_INTR_0,
+ NV_PFIFO_INTR_SEMAPHORE);
+
+ sem = nv_rd32(dev, NV10_PFIFO_CACHE1_SEMAPHORE);
+ nv_wr32(dev, NV10_PFIFO_CACHE1_SEMAPHORE, sem | 0x1);
+
+ nv_wr32(dev, NV03_PFIFO_CACHE1_GET, get + 4);
+ nv_wr32(dev, NV04_PFIFO_CACHE1_PULL0, 1);
+ }
+
if (status) {
NV_INFO(dev, "PFIFO_INTR 0x%08x - Ch %d\n",
status, chid);
@@ -566,86 +580,99 @@ nouveau_pgraph_irq_handler(struct drm_device *dev)
static void
nv50_pgraph_irq_handler(struct drm_device *dev)
{
- uint32_t status, nsource;
+ uint32_t status;
- status = nv_rd32(dev, NV03_PGRAPH_INTR);
- nsource = nv_rd32(dev, NV03_PGRAPH_NSOURCE);
+ while ((status = nv_rd32(dev, NV03_PGRAPH_INTR))) {
+ uint32_t nsource = nv_rd32(dev, NV03_PGRAPH_NSOURCE);
- if (status & 0x00000001) {
- nouveau_pgraph_intr_notify(dev, nsource);
- status &= ~0x00000001;
- nv_wr32(dev, NV03_PGRAPH_INTR, 0x00000001);
- }
+ if (status & 0x00000001) {
+ nouveau_pgraph_intr_notify(dev, nsource);
+ status &= ~0x00000001;
+ nv_wr32(dev, NV03_PGRAPH_INTR, 0x00000001);
+ }
- if (status & 0x00000010) {
- nouveau_pgraph_intr_error(dev, nsource |
- NV03_PGRAPH_NSOURCE_ILLEGAL_MTHD);
+ if (status & 0x00000010) {
+ nouveau_pgraph_intr_error(dev, nsource |
+ NV03_PGRAPH_NSOURCE_ILLEGAL_MTHD);
- status &= ~0x00000010;
- nv_wr32(dev, NV03_PGRAPH_INTR, 0x00000010);
- }
+ status &= ~0x00000010;
+ nv_wr32(dev, NV03_PGRAPH_INTR, 0x00000010);
+ }
- if (status & 0x00001000) {
- nv_wr32(dev, 0x400500, 0x00000000);
- nv_wr32(dev, NV03_PGRAPH_INTR, NV_PGRAPH_INTR_CONTEXT_SWITCH);
- nv_wr32(dev, NV40_PGRAPH_INTR_EN, nv_rd32(dev,
- NV40_PGRAPH_INTR_EN) & ~NV_PGRAPH_INTR_CONTEXT_SWITCH);
- nv_wr32(dev, 0x400500, 0x00010001);
+ if (status & 0x00001000) {
+ nv_wr32(dev, 0x400500, 0x00000000);
+ nv_wr32(dev, NV03_PGRAPH_INTR,
+ NV_PGRAPH_INTR_CONTEXT_SWITCH);
+ nv_wr32(dev, NV40_PGRAPH_INTR_EN, nv_rd32(dev,
+ NV40_PGRAPH_INTR_EN) &
+ ~NV_PGRAPH_INTR_CONTEXT_SWITCH);
+ nv_wr32(dev, 0x400500, 0x00010001);
- nv50_graph_context_switch(dev);
+ nv50_graph_context_switch(dev);
- status &= ~NV_PGRAPH_INTR_CONTEXT_SWITCH;
- }
+ status &= ~NV_PGRAPH_INTR_CONTEXT_SWITCH;
+ }
- if (status & 0x00100000) {
- nouveau_pgraph_intr_error(dev, nsource |
- NV03_PGRAPH_NSOURCE_DATA_ERROR);
+ if (status & 0x00100000) {
+ nouveau_pgraph_intr_error(dev, nsource |
+ NV03_PGRAPH_NSOURCE_DATA_ERROR);
- status &= ~0x00100000;
- nv_wr32(dev, NV03_PGRAPH_INTR, 0x00100000);
- }
+ status &= ~0x00100000;
+ nv_wr32(dev, NV03_PGRAPH_INTR, 0x00100000);
+ }
- if (status & 0x00200000) {
- int r;
-
- nouveau_pgraph_intr_error(dev, nsource |
- NV03_PGRAPH_NSOURCE_PROTECTION_ERROR);
-
- NV_ERROR(dev, "magic set 1:\n");
- for (r = 0x408900; r <= 0x408910; r += 4)
- NV_ERROR(dev, "\t0x%08x: 0x%08x\n", r, nv_rd32(dev, r));
- nv_wr32(dev, 0x408900, nv_rd32(dev, 0x408904) | 0xc0000000);
- for (r = 0x408e08; r <= 0x408e24; r += 4)
- NV_ERROR(dev, "\t0x%08x: 0x%08x\n", r, nv_rd32(dev, r));
- nv_wr32(dev, 0x408e08, nv_rd32(dev, 0x408e08) | 0xc0000000);
-
- NV_ERROR(dev, "magic set 2:\n");
- for (r = 0x409900; r <= 0x409910; r += 4)
- NV_ERROR(dev, "\t0x%08x: 0x%08x\n", r, nv_rd32(dev, r));
- nv_wr32(dev, 0x409900, nv_rd32(dev, 0x409904) | 0xc0000000);
- for (r = 0x409e08; r <= 0x409e24; r += 4)
- NV_ERROR(dev, "\t0x%08x: 0x%08x\n", r, nv_rd32(dev, r));
- nv_wr32(dev, 0x409e08, nv_rd32(dev, 0x409e08) | 0xc0000000);
-
- status &= ~0x00200000;
- nv_wr32(dev, NV03_PGRAPH_NSOURCE, nsource);
- nv_wr32(dev, NV03_PGRAPH_INTR, 0x00200000);
- }
+ if (status & 0x00200000) {
+ int r;
+
+ nouveau_pgraph_intr_error(dev, nsource |
+ NV03_PGRAPH_NSOURCE_PROTECTION_ERROR);
+
+ NV_ERROR(dev, "magic set 1:\n");
+ for (r = 0x408900; r <= 0x408910; r += 4)
+ NV_ERROR(dev, "\t0x%08x: 0x%08x\n", r,
+ nv_rd32(dev, r));
+ nv_wr32(dev, 0x408900,
+ nv_rd32(dev, 0x408904) | 0xc0000000);
+ for (r = 0x408e08; r <= 0x408e24; r += 4)
+ NV_ERROR(dev, "\t0x%08x: 0x%08x\n", r,
+ nv_rd32(dev, r));
+ nv_wr32(dev, 0x408e08,
+ nv_rd32(dev, 0x408e08) | 0xc0000000);
+
+ NV_ERROR(dev, "magic set 2:\n");
+ for (r = 0x409900; r <= 0x409910; r += 4)
+ NV_ERROR(dev, "\t0x%08x: 0x%08x\n", r,
+ nv_rd32(dev, r));
+ nv_wr32(dev, 0x409900,
+ nv_rd32(dev, 0x409904) | 0xc0000000);
+ for (r = 0x409e08; r <= 0x409e24; r += 4)
+ NV_ERROR(dev, "\t0x%08x: 0x%08x\n", r,
+ nv_rd32(dev, r));
+ nv_wr32(dev, 0x409e08,
+ nv_rd32(dev, 0x409e08) | 0xc0000000);
+
+ status &= ~0x00200000;
+ nv_wr32(dev, NV03_PGRAPH_NSOURCE, nsource);
+ nv_wr32(dev, NV03_PGRAPH_INTR, 0x00200000);
+ }
- if (status) {
- NV_INFO(dev, "Unhandled PGRAPH_INTR - 0x%08x\n", status);
- nv_wr32(dev, NV03_PGRAPH_INTR, status);
- }
+ if (status) {
+ NV_INFO(dev, "Unhandled PGRAPH_INTR - 0x%08x\n",
+ status);
+ nv_wr32(dev, NV03_PGRAPH_INTR, status);
+ }
- {
- const int isb = (1 << 16) | (1 << 0);
+ {
+ const int isb = (1 << 16) | (1 << 0);
- if ((nv_rd32(dev, 0x400500) & isb) != isb)
- nv_wr32(dev, 0x400500, nv_rd32(dev, 0x400500) | isb);
- nv_wr32(dev, 0x400824, nv_rd32(dev, 0x400824) & ~(1 << 31));
+ if ((nv_rd32(dev, 0x400500) & isb) != isb)
+ nv_wr32(dev, 0x400500,
+ nv_rd32(dev, 0x400500) | isb);
+ }
}
nv_wr32(dev, NV03_PMC_INTR_0, NV_PMC_INTR_0_PGRAPH_PENDING);
+ nv_wr32(dev, 0x400824, nv_rd32(dev, 0x400824) & ~(1 << 31));
}
static void
@@ -664,11 +691,14 @@ nouveau_irq_handler(DRM_IRQ_ARGS)
struct drm_device *dev = (struct drm_device *)arg;
struct drm_nouveau_private *dev_priv = dev->dev_private;
uint32_t status, fbdev_flags = 0;
+ unsigned long flags;
status = nv_rd32(dev, NV03_PMC_INTR_0);
if (!status)
return IRQ_NONE;
+ spin_lock_irqsave(&dev_priv->context_switch_lock, flags);
+
if (dev_priv->fbdev_info) {
fbdev_flags = dev_priv->fbdev_info->flags;
dev_priv->fbdev_info->flags |= FBINFO_HWACCEL_DISABLED;
@@ -706,5 +736,7 @@ nouveau_irq_handler(DRM_IRQ_ARGS)
if (dev_priv->fbdev_info)
dev_priv->fbdev_info->flags = fbdev_flags;
+ spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags);
+
return IRQ_HANDLED;
}
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-04 11:01:25 +0000