[Nouveau] [PATCH 2/4] drm/nv50: make the pgraph irq handler loop like the pre-nv50 version
Maarten Maathuis
madman2003 at gmail.com
Mon Feb 1 10:34:33 PST 2010
Signed-off-by: Maarten Maathuis <madman2003 at gmail.com>
---
drivers/gpu/drm/nouveau/nouveau_irq.c | 140 ++++++++++++++++++---------------
1 files changed, 76 insertions(+), 64 deletions(-)
diff --git a/drivers/gpu/drm/nouveau/nouveau_irq.c b/drivers/gpu/drm/nouveau/nouveau_irq.c
index baa9b3e..475d0f2 100644
--- a/drivers/gpu/drm/nouveau/nouveau_irq.c
+++ b/drivers/gpu/drm/nouveau/nouveau_irq.c
@@ -580,83 +580,95 @@ 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, 0x400824,
+ nv_rd32(dev, 0x400824) & ~(1 << 31));
+ }
}
nv_wr32(dev, NV03_PMC_INTR_0, NV_PMC_INTR_0_PGRAPH_PENDING);
--
1.6.6.1
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