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drm/nv50: make the pgraph irq handler loop like the pre-nv50 version
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Unset the bit that indicates that a ctxprog can continue at the end.

Signed-off-by: Maarten Maathuis <madman2003@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Maarten Maathuis authored and Ben Skeggs committed Feb 9, 2010
1 parent a87ff62 commit b1d37aa
Showing 1 changed file with 77 additions and 64 deletions.
141 changes: 77 additions & 64 deletions drivers/gpu/drm/nouveau/nouveau_irq.c
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Original file line number Diff line number Diff line change
Expand Up @@ -580,86 +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
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