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author | Ben Skeggs <bskeggs@redhat.com> | 2018-12-11 14:50:02 +1000 |
---|---|---|
committer | Ben Skeggs <bskeggs@redhat.com> | 2018-12-11 15:37:48 +1000 |
commit | f7cc47e436c1238031548e0380eecc1ab66f24ba (patch) | |
tree | aaa9c635edda9dd7f0002c338de1b2593f9abc55 | |
parent | f37a302e67195af7d5a410901c5e8ddbbe895182 (diff) | |
download | linux-f7cc47e436c1238031548e0380eecc1ab66f24ba.tar.gz linux-f7cc47e436c1238031548e0380eecc1ab66f24ba.tar.bz2 linux-f7cc47e436c1238031548e0380eecc1ab66f24ba.zip |
drm/nouveau/fifo/gm200-: read pbdma count more directly
The trick we used (and still use for older GPUs) doesn't work on Turing.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c | 14 | ||||
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.h | 5 | ||||
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk208.c | 1 | ||||
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/fifo/gm200.c | 16 | ||||
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/fifo/gm20b.c | 2 | ||||
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/fifo/gp100.c | 2 | ||||
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/fifo/gp10b.c | 2 | ||||
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/fifo/gv100.c | 2 |
8 files changed, 36 insertions, 8 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c index 79e0b58c5de7..1053fe796466 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c @@ -256,8 +256,18 @@ gk104_fifo_pbdma_init(struct gk104_fifo *fifo) nvkm_wr32(device, 0x000204, (1 << fifo->pbdma_nr) - 1); } +int +gk104_fifo_pbdma_nr(struct gk104_fifo *fifo) +{ + struct nvkm_device *device = fifo->base.engine.subdev.device; + /* Determine number of PBDMAs by checking valid enable bits. */ + nvkm_wr32(device, 0x000204, 0xffffffff); + return hweight32(nvkm_rd32(device, 0x000204)); +} + const struct gk104_fifo_pbdma_func gk104_fifo_pbdma = { + .nr = gk104_fifo_pbdma_nr, .init = gk104_fifo_pbdma_init, }; @@ -925,9 +935,7 @@ gk104_fifo_oneinit(struct nvkm_fifo *base) enum nvkm_devidx engidx; u32 *map; - /* Determine number of PBDMAs by checking valid enable bits. */ - nvkm_wr32(device, 0x000204, 0xffffffff); - fifo->pbdma_nr = hweight32(nvkm_rd32(device, 0x000204)); + fifo->pbdma_nr = fifo->func->pbdma->nr(fifo); nvkm_debug(subdev, "%d PBDMA(s)\n", fifo->pbdma_nr); /* Read PBDMA->runlist(s) mapping from HW. */ diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.h b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.h index 61d7eee516af..e7c5793569b8 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.h @@ -46,6 +46,7 @@ struct gk104_fifo { struct gk104_fifo_func { const struct gk104_fifo_pbdma_func { + int (*nr)(struct gk104_fifo *); void (*init)(struct gk104_fifo *); void (*init_timeout)(struct gk104_fifo *); } *pbdma; @@ -89,6 +90,7 @@ void gk104_fifo_runlist_remove(struct gk104_fifo *, struct gk104_fifo_chan *); void gk104_fifo_runlist_update(struct gk104_fifo *, int runl); extern const struct gk104_fifo_pbdma_func gk104_fifo_pbdma; +int gk104_fifo_pbdma_nr(struct gk104_fifo *); void gk104_fifo_pbdma_init(struct gk104_fifo *); extern const struct nvkm_enum gk104_fifo_fault_access[]; extern const struct nvkm_enum gk104_fifo_fault_engine[]; @@ -111,5 +113,8 @@ void gk208_fifo_pbdma_init_timeout(struct gk104_fifo *); extern const struct nvkm_enum gm107_fifo_fault_engine[]; extern const struct gk104_fifo_runlist_func gm107_fifo_runlist; +extern const struct gk104_fifo_pbdma_func gm200_fifo_pbdma; +int gm200_fifo_pbdma_nr(struct gk104_fifo *); + extern const struct nvkm_enum gp100_fifo_fault_engine[]; #endif diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk208.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk208.c index 45952292c436..9553fb4af601 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk208.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk208.c @@ -38,6 +38,7 @@ gk208_fifo_pbdma_init_timeout(struct gk104_fifo *fifo) const struct gk104_fifo_pbdma_func gk208_fifo_pbdma = { + .nr = gk104_fifo_pbdma_nr, .init = gk104_fifo_pbdma_init, .init_timeout = gk208_fifo_pbdma_init_timeout, }; diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gm200.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gm200.c index 488d8250ad4c..b96c1c5d6577 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gm200.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gm200.c @@ -26,9 +26,23 @@ #include <nvif/class.h> +int +gm200_fifo_pbdma_nr(struct gk104_fifo *fifo) +{ + struct nvkm_device *device = fifo->base.engine.subdev.device; + return nvkm_rd32(device, 0x002004) & 0x000000ff; +} + +const struct gk104_fifo_pbdma_func +gm200_fifo_pbdma = { + .nr = gm200_fifo_pbdma_nr, + .init = gk104_fifo_pbdma_init, + .init_timeout = gk208_fifo_pbdma_init_timeout, +}; + static const struct gk104_fifo_func gm200_fifo = { - .pbdma = &gk208_fifo_pbdma, + .pbdma = &gm200_fifo_pbdma, .fault.access = gk104_fifo_fault_access, .fault.engine = gm107_fifo_fault_engine, .fault.reason = gk104_fifo_fault_reason, diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gm20b.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gm20b.c index 5a05ad009b8a..a49539b9e4ec 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gm20b.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gm20b.c @@ -26,7 +26,7 @@ static const struct gk104_fifo_func gm20b_fifo = { - .pbdma = &gk208_fifo_pbdma, + .pbdma = &gm200_fifo_pbdma, .fault.access = gk104_fifo_fault_access, .fault.engine = gm107_fifo_fault_engine, .fault.reason = gk104_fifo_fault_reason, diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gp100.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gp100.c index 838fa90c3cac..54377e0f6a88 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gp100.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gp100.c @@ -52,7 +52,7 @@ gp100_fifo_fault_engine[] = { static const struct gk104_fifo_func gp100_fifo = { - .pbdma = &gk208_fifo_pbdma, + .pbdma = &gm200_fifo_pbdma, .fault.access = gk104_fifo_fault_access, .fault.engine = gp100_fifo_fault_engine, .fault.reason = gk104_fifo_fault_reason, diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gp10b.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gp10b.c index 080209de93f1..778ba7e46fb3 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gp10b.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gp10b.c @@ -26,7 +26,7 @@ static const struct gk104_fifo_func gp10b_fifo = { - .pbdma = &gk208_fifo_pbdma, + .pbdma = &gm200_fifo_pbdma, .fault.access = gk104_fifo_fault_access, .fault.engine = gp100_fifo_fault_engine, .fault.reason = gk104_fifo_fault_reason, diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gv100.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gv100.c index ded6493e9809..98cf44083850 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gv100.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gv100.c @@ -288,7 +288,7 @@ gv100_fifo_fault_access[] = { static const struct gk104_fifo_func gv100_fifo = { - .pbdma = &gk208_fifo_pbdma, + .pbdma = &gm200_fifo_pbdma, .fault.access = gv100_fifo_fault_access, .fault.engine = gv100_fifo_fault_engine, .fault.reason = gv100_fifo_fault_reason, |