[Nouveau] [PATCH v3 04/11] gr/gk20a: simplify external bundle loading functions
Alexandre Courbot
acourbot at nvidia.com
Wed Feb 24 05:42:17 UTC 2016
Make these functions easier to use by handling memory management from
within.
Signed-off-by: Alexandre Courbot <acourbot at nvidia.com>
---
drm/nouveau/nvkm/engine/gr/gk20a.c | 120 ++++++++++++++++++++++---------------
1 file changed, 73 insertions(+), 47 deletions(-)
diff --git a/drm/nouveau/nvkm/engine/gr/gk20a.c b/drm/nouveau/nvkm/engine/gr/gk20a.c
index a55331d68ff6..66720aba213b 100644
--- a/drm/nouveau/nvkm/engine/gr/gk20a.c
+++ b/drm/nouveau/nvkm/engine/gr/gk20a.c
@@ -32,25 +32,34 @@ struct gk20a_fw_av
u32 data;
};
-static struct gf100_gr_pack *
-gk20a_gr_av_to_init(struct gf100_gr_fuc *fuc)
+static int
+gk20a_gr_av_to_init(struct gf100_gr *gr, const char *fw_name,
+ struct gf100_gr_pack **ppack)
{
+ struct gf100_gr_fuc fuc;
struct gf100_gr_init *init;
struct gf100_gr_pack *pack;
- const int nent = (fuc->size / sizeof(struct gk20a_fw_av));
+ int nent;
+ int ret;
int i;
+ ret = gf100_gr_ctor_fw(gr, fw_name, &fuc);
+ if (ret)
+ return ret;
+
+ nent = (fuc.size / sizeof(struct gk20a_fw_av));
pack = vzalloc((sizeof(*pack) * 2) + (sizeof(*init) * (nent + 1)));
- if (!pack)
- return ERR_PTR(-ENOMEM);
+ if (!pack) {
+ ret = -ENOMEM;
+ goto end;
+ }
init = (void *)(pack + 2);
-
pack[0].init = init;
for (i = 0; i < nent; i++) {
struct gf100_gr_init *ent = &init[i];
- struct gk20a_fw_av *av = &((struct gk20a_fw_av *)fuc->data)[i];
+ struct gk20a_fw_av *av = &((struct gk20a_fw_av *)fuc.data)[i];
ent->addr = av->addr;
ent->data = av->data;
@@ -58,7 +67,11 @@ gk20a_gr_av_to_init(struct gf100_gr_fuc *fuc)
ent->pitch = 1;
}
- return pack;
+ *ppack = pack;
+
+end:
+ gf100_gr_dtor_fw(&fuc);
+ return ret;
}
struct gk20a_fw_aiv
@@ -68,25 +81,34 @@ struct gk20a_fw_aiv
u32 data;
};
-static struct gf100_gr_pack *
-gk20a_gr_aiv_to_init(struct gf100_gr_fuc *fuc)
+static int
+gk20a_gr_aiv_to_init(struct gf100_gr *gr, const char *fw_name,
+ struct gf100_gr_pack **ppack)
{
+ struct gf100_gr_fuc fuc;
struct gf100_gr_init *init;
struct gf100_gr_pack *pack;
- const int nent = (fuc->size / sizeof(struct gk20a_fw_aiv));
+ int nent;
+ int ret;
int i;
+ ret = gf100_gr_ctor_fw(gr, fw_name, &fuc);
+ if (ret)
+ return ret;
+
+ nent = (fuc.size / sizeof(struct gk20a_fw_aiv));
pack = vzalloc((sizeof(*pack) * 2) + (sizeof(*init) * (nent + 1)));
- if (!pack)
- return ERR_PTR(-ENOMEM);
+ if (!pack) {
+ ret = -ENOMEM;
+ goto end;
+ }
init = (void *)(pack + 2);
-
pack[0].init = init;
for (i = 0; i < nent; i++) {
struct gf100_gr_init *ent = &init[i];
- struct gk20a_fw_aiv *av = &((struct gk20a_fw_aiv *)fuc->data)[i];
+ struct gk20a_fw_aiv *av = &((struct gk20a_fw_aiv *)fuc.data)[i];
ent->addr = av->addr;
ent->data = av->data;
@@ -94,30 +116,45 @@ gk20a_gr_aiv_to_init(struct gf100_gr_fuc *fuc)
ent->pitch = 1;
}
- return pack;
+ *ppack = pack;
+
+end:
+ gf100_gr_dtor_fw(&fuc);
+ return ret;
}
-static struct gf100_gr_pack *
-gk20a_gr_av_to_method(struct gf100_gr_fuc *fuc)
+static int
+gk20a_gr_av_to_method(struct gf100_gr *gr, const char *fw_name,
+ struct gf100_gr_pack **ppack)
{
+ struct gf100_gr_fuc fuc;
struct gf100_gr_init *init;
struct gf100_gr_pack *pack;
/* We don't suppose we will initialize more than 16 classes here... */
static const unsigned int max_classes = 16;
- const int nent = (fuc->size / sizeof(struct gk20a_fw_av));
- int i, classidx = 0;
- u32 prevclass = 0;
+ u32 classidx = 0, prevclass = 0;
+ int nent;
+ int ret;
+ int i;
+
+ ret = gf100_gr_ctor_fw(gr, fw_name, &fuc);
+ if (ret)
+ return ret;
+
+ nent = (fuc.size / sizeof(struct gk20a_fw_av));
pack = vzalloc((sizeof(*pack) * max_classes) +
(sizeof(*init) * (nent + 1)));
- if (!pack)
- return ERR_PTR(-ENOMEM);
+ if (!pack) {
+ ret = -ENOMEM;
+ goto end;
+ }
init = (void *)(pack + max_classes);
for (i = 0; i < nent; i++) {
struct gf100_gr_init *ent = &init[i];
- struct gk20a_fw_av *av = &((struct gk20a_fw_av *)fuc->data)[i];
+ struct gk20a_fw_av *av = &((struct gk20a_fw_av *)fuc.data)[i];
u32 class = av->addr & 0xffff;
u32 addr = (av->addr & 0xffff0000) >> 14;
@@ -127,7 +164,8 @@ gk20a_gr_av_to_method(struct gf100_gr_fuc *fuc)
prevclass = class;
if (++classidx >= max_classes) {
vfree(pack);
- return ERR_PTR(-ENOSPC);
+ ret = -ENOSPC;
+ goto end;
}
}
@@ -137,7 +175,11 @@ gk20a_gr_av_to_method(struct gf100_gr_fuc *fuc)
ent->pitch = 1;
}
- return pack;
+ *ppack = pack;
+
+end:
+ gf100_gr_dtor_fw(&fuc);
+ return ret;
}
static int
@@ -271,7 +313,6 @@ int
gk20a_gr_new_(const struct gf100_gr_func *func, struct nvkm_device *device,
int index, struct nvkm_gr **pgr)
{
- struct gf100_gr_fuc fuc;
struct gf100_gr *gr;
int ret;
@@ -289,37 +330,22 @@ gk20a_gr_new_(const struct gf100_gr_func *func, struct nvkm_device *device,
gf100_gr_ctor_fw(gr, "gpccs_data", &gr->fuc41ad))
return -ENODEV;
- ret = gf100_gr_ctor_fw(gr, "sw_nonctx", &fuc);
+ ret = gk20a_gr_av_to_init(gr, "sw_nonctx", &gr->fuc_sw_nonctx);
if (ret)
return ret;
- gr->fuc_sw_nonctx = gk20a_gr_av_to_init(&fuc);
- gf100_gr_dtor_fw(&fuc);
- if (IS_ERR(gr->fuc_sw_nonctx))
- return PTR_ERR(gr->fuc_sw_nonctx);
- ret = gf100_gr_ctor_fw(gr, "sw_ctx", &fuc);
+ ret = gk20a_gr_aiv_to_init(gr, "sw_ctx", &gr->fuc_sw_ctx);
if (ret)
return ret;
- gr->fuc_sw_ctx = gk20a_gr_aiv_to_init(&fuc);
- gf100_gr_dtor_fw(&fuc);
- if (IS_ERR(gr->fuc_sw_ctx))
- return PTR_ERR(gr->fuc_sw_ctx);
- ret = gf100_gr_ctor_fw(gr, "sw_bundle_init", &fuc);
+ ret = gk20a_gr_av_to_init(gr, "sw_bundle_init", &gr->fuc_bundle);
if (ret)
return ret;
- gr->fuc_bundle = gk20a_gr_av_to_init(&fuc);
- gf100_gr_dtor_fw(&fuc);
- if (IS_ERR(gr->fuc_bundle))
- return PTR_ERR(gr->fuc_bundle);
- ret = gf100_gr_ctor_fw(gr, "sw_method_init", &fuc);
+ ret = gk20a_gr_av_to_method(gr, "sw_method_init", &gr->fuc_method);
if (ret)
return ret;
- gr->fuc_method = gk20a_gr_av_to_method(&fuc);
- gf100_gr_dtor_fw(&fuc);
- if (IS_ERR(gr->fuc_method))
- return PTR_ERR(gr->fuc_method);
+
return 0;
}
--
2.7.1
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