[Nouveau] [PATCH 2/4] drm/nouveau: support NOUVEAU_GETPARAM_GRAPH_UNITS on >= nvc0
Christoph Bumiller
e0425955 at student.tuwien.ac.at
Wed Mar 27 14:16:54 PDT 2013
---
drivers/gpu/drm/nouveau/core/engine/graph/nv40.c | 10 ++++++++++
drivers/gpu/drm/nouveau/core/engine/graph/nv50.c | 10 ++++++++++
drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c | 15 +++++++++++++++
drivers/gpu/drm/nouveau/core/engine/graph/nvc0.h | 2 ++
drivers/gpu/drm/nouveau/core/engine/graph/nve0.c | 2 ++
.../gpu/drm/nouveau/core/include/engine/graph.h | 4 ++++
drivers/gpu/drm/nouveau/nouveau_abi16.c | 12 ++++--------
7 files changed, 47 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/nouveau/core/engine/graph/nv40.c b/drivers/gpu/drm/nouveau/core/engine/graph/nv40.c
index 17049d5..193a5de 100644
--- a/drivers/gpu/drm/nouveau/core/engine/graph/nv40.c
+++ b/drivers/gpu/drm/nouveau/core/engine/graph/nv40.c
@@ -46,6 +46,14 @@ struct nv40_graph_chan {
struct nouveau_graph_chan base;
};
+static u64
+nv40_graph_units(struct nouveau_graph *graph)
+{
+ struct nv40_graph_priv *priv = (void *)graph;
+
+ return nv_rd32(priv, 0x1540);
+}
+
/*******************************************************************************
* Graphics object classes
******************************************************************************/
@@ -359,6 +367,8 @@ nv40_graph_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
else
nv_engine(priv)->sclass = nv40_graph_sclass;
nv_engine(priv)->tile_prog = nv40_graph_tile_prog;
+
+ priv->base.units = nv40_graph_units;
return 0;
}
diff --git a/drivers/gpu/drm/nouveau/core/engine/graph/nv50.c b/drivers/gpu/drm/nouveau/core/engine/graph/nv50.c
index f2b1a7a..1ac3611 100644
--- a/drivers/gpu/drm/nouveau/core/engine/graph/nv50.c
+++ b/drivers/gpu/drm/nouveau/core/engine/graph/nv50.c
@@ -48,6 +48,14 @@ struct nv50_graph_chan {
struct nouveau_graph_chan base;
};
+static u64
+nv50_graph_units(struct nouveau_graph *graph)
+{
+ struct nv50_graph_priv *priv = (void *)graph;
+
+ return nv_rd32(priv, 0x1540);
+}
+
/*******************************************************************************
* Graphics object classes
******************************************************************************/
@@ -819,6 +827,8 @@ nv50_graph_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
nv_subdev(priv)->intr = nv50_graph_intr;
nv_engine(priv)->cclass = &nv50_graph_cclass;
+ priv->base.units = nv50_graph_units;
+
switch (nv_device(priv)->chipset) {
case 0x50:
nv_engine(priv)->sclass = nv50_graph_sclass;
diff --git a/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c b/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c
index 0de0dd7..5ce4941 100644
--- a/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c
+++ b/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c
@@ -60,6 +60,19 @@ nvc8_graph_sclass[] = {
{}
};
+u64
+nvc0_graph_units(struct nouveau_graph *graph)
+{
+ struct nvc0_graph_priv *priv = (void *)graph;
+ u64 cfg;
+
+ cfg = (u32)priv->gpc_nr;
+ cfg |= (u32)priv->tpc_total << 8;
+ cfg |= (u64)priv->rop_nr << 32;
+
+ return cfg;
+}
+
/*******************************************************************************
* PGRAPH context
******************************************************************************/
@@ -529,6 +542,8 @@ nvc0_graph_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
nv_subdev(priv)->intr = nvc0_graph_intr;
nv_engine(priv)->cclass = &nvc0_graph_cclass;
+ priv->base.units = nvc0_graph_units;
+
if (nouveau_boolopt(device->cfgopt, "NvGrUseFW", false)) {
nv_info(priv, "using external firmware\n");
if (nvc0_graph_ctor_fw(priv, "fuc409c", &priv->fuc409c) ||
diff --git a/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.h b/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.h
index a1e78de..af033dc 100644
--- a/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.h
+++ b/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.h
@@ -169,4 +169,6 @@ int nvc0_graph_context_ctor(struct nouveau_object *, struct nouveau_object *,
struct nouveau_object **);
void nvc0_graph_context_dtor(struct nouveau_object *);
+u64 nvc0_graph_units(struct nouveau_graph *);
+
#endif
diff --git a/drivers/gpu/drm/nouveau/core/engine/graph/nve0.c b/drivers/gpu/drm/nouveau/core/engine/graph/nve0.c
index 4857f91..4b45afb 100644
--- a/drivers/gpu/drm/nouveau/core/engine/graph/nve0.c
+++ b/drivers/gpu/drm/nouveau/core/engine/graph/nve0.c
@@ -217,6 +217,8 @@ nve0_graph_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
nv_engine(priv)->cclass = &nve0_graph_cclass;
nv_engine(priv)->sclass = nve0_graph_sclass;
+ priv->base.units = nvc0_graph_units;
+
if (nouveau_boolopt(device->cfgopt, "NvGrUseFW", false)) {
nv_info(priv, "using external firmware\n");
if (nvc0_graph_ctor_fw(priv, "fuc409c", &priv->fuc409c) ||
diff --git a/drivers/gpu/drm/nouveau/core/include/engine/graph.h b/drivers/gpu/drm/nouveau/core/include/engine/graph.h
index 6943b40..5d39243 100644
--- a/drivers/gpu/drm/nouveau/core/include/engine/graph.h
+++ b/drivers/gpu/drm/nouveau/core/include/engine/graph.h
@@ -26,6 +26,10 @@ struct nouveau_graph_chan {
struct nouveau_graph {
struct nouveau_engine base;
+
+ /* Returns chipset-specific counts of units packed into an u64.
+ */
+ u64 (*units)(struct nouveau_graph *);
};
static inline struct nouveau_graph *
diff --git a/drivers/gpu/drm/nouveau/nouveau_abi16.c b/drivers/gpu/drm/nouveau/nouveau_abi16.c
index 3b6dc88..f19f0a4 100644
--- a/drivers/gpu/drm/nouveau/nouveau_abi16.c
+++ b/drivers/gpu/drm/nouveau/nouveau_abi16.c
@@ -30,6 +30,7 @@
#include <subdev/fb.h>
#include <subdev/timer.h>
#include <subdev/instmem.h>
+#include <engine/graph.h>
#include "nouveau_drm.h"
#include "nouveau_dma.h"
@@ -168,6 +169,7 @@ nouveau_abi16_ioctl_getparam(ABI16_IOCTL_ARGS)
struct nouveau_drm *drm = nouveau_drm(dev);
struct nouveau_device *device = nv_device(drm->device);
struct nouveau_timer *ptimer = nouveau_timer(device);
+ struct nouveau_graph *graph = (void *)nouveau_engine(device, NVDEV_ENGINE_GR);
struct drm_nouveau_getparam *getparam = data;
switch (getparam->param) {
@@ -208,14 +210,8 @@ nouveau_abi16_ioctl_getparam(ABI16_IOCTL_ARGS)
getparam->value = 1;
break;
case NOUVEAU_GETPARAM_GRAPH_UNITS:
- /* NV40 and NV50 versions are quite different, but register
- * address is the same. User is supposed to know the card
- * family anyway... */
- if (device->chipset >= 0x40) {
- getparam->value = nv_rd32(device, 0x001540);
- break;
- }
- /* FALLTHRU */
+ getparam->value = graph->units ? graph->units(graph) : 0;
+ break;
default:
nv_debug(device, "unknown parameter %lld\n", getparam->param);
return -EINVAL;
--
1.7.3.4
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