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authorMaarten Maathuis <madman2003@gmail.com>2010-01-20 19:54:34 +0100
committerBen Skeggs <bskeggs@redhat.com>2010-02-10 08:19:39 +1000
commitb1d37aa0aa43c5bf857364093ab2191acd37f2ec (patch)
treef53cce50b3be629ce7f9fab19c7b1633815306cd /drivers/gpu
parenta87ff62a80a6a65fc664cd410061910b8c52b896 (diff)
drm/nv50: make the pgraph irq handler loop like the pre-nv50 version
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>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_irq.c141
1 files changed, 77 insertions, 64 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_irq.c b/drivers/gpu/drm/nouveau/nouveau_irq.c
index baa9b3e0b66..447f9f69d6b 100644
--- a/drivers/gpu/drm/nouveau/nouveau_irq.c
+++ b/drivers/gpu/drm/nouveau/nouveau_irq.c
@@ -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