Martin Peres
2010-Sep-29 12:56 UTC
[PATCH 1/3] Add pause/unpause methods to the PFIFO engine
---
drivers/gpu/drm/nouveau/nouveau_drv.h | 8 ++++++++
drivers/gpu/drm/nouveau/nouveau_reg.h | 1 +
drivers/gpu/drm/nouveau/nouveau_state.c | 14 ++++++++++++++
drivers/gpu/drm/nouveau/nv50_fifo.c | 18 ++++++++++++++++++
4 files changed, 41 insertions(+), 0 deletions(-)
diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h
b/drivers/gpu/drm/nouveau/nouveau_drv.h
index 591254e..c256c0a 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drv.h
+++ b/drivers/gpu/drm/nouveau/nouveau_drv.h
@@ -304,6 +304,9 @@ struct nouveau_fifo_engine {
void (*destroy_context)(struct nouveau_channel *);
int (*load_context)(struct nouveau_channel *);
int (*unload_context)(struct drm_device *);
+
+ int (*pause)(struct drm_device *);
+ int (*unpause)(struct drm_device *);
};
struct nouveau_pgraph_object_method {
@@ -339,6 +342,9 @@ struct nouveau_pgraph_engine {
void (*set_region_tiling)(struct drm_device *dev, int i, uint32_t addr,
uint32_t size, uint32_t pitch);
+
+ int (*pause)(struct drm_device *);
+ int (*unpause)(struct drm_device *);
};
struct nouveau_display_engine {
@@ -1036,6 +1042,8 @@ extern int nv50_fifo_create_context(struct
nouveau_channel *);
extern void nv50_fifo_destroy_context(struct nouveau_channel *);
extern int nv50_fifo_load_context(struct nouveau_channel *);
extern int nv50_fifo_unload_context(struct drm_device *);
+extern int nv50_fifo_pause(struct drm_device *);
+extern int nv50_fifo_unpause(struct drm_device *);
/* nvc0_fifo.c */
extern int nvc0_fifo_init(struct drm_device *);
diff --git a/drivers/gpu/drm/nouveau/nouveau_reg.h
b/drivers/gpu/drm/nouveau/nouveau_reg.h
index 1b42541..ee6dae1 100644
--- a/drivers/gpu/drm/nouveau/nouveau_reg.h
+++ b/drivers/gpu/drm/nouveau/nouveau_reg.h
@@ -701,6 +701,7 @@
#define NV50_PGRAPH 0x00400000
#define NV50_PGRAPH__LEN 0x1
#define NV50_PGRAPH__ESIZE 0x10000
+#define NV50_PFIFO_FREEZE 0x2504
#define NV50_PDISPLAY 0x00610000
#define NV50_PDISPLAY_OBJECTS 0x00610010
diff --git a/drivers/gpu/drm/nouveau/nouveau_state.c
b/drivers/gpu/drm/nouveau/nouveau_state.c
index 75bce91..cfc34f5 100644
--- a/drivers/gpu/drm/nouveau/nouveau_state.c
+++ b/drivers/gpu/drm/nouveau/nouveau_state.c
@@ -86,6 +86,8 @@ static int nouveau_init_engine_ptrs(struct drm_device *dev)
engine->fifo.destroy_context = nv04_fifo_destroy_context;
engine->fifo.load_context = nv04_fifo_load_context;
engine->fifo.unload_context = nv04_fifo_unload_context;
+ engine->fifo.pause = NULL;
+ engine->fifo.unpause = NULL;
engine->display.early_init = nv04_display_early_init;
engine->display.late_takedown = nv04_display_late_takedown;
engine->display.create = nv04_display_create;
@@ -140,6 +142,8 @@ static int nouveau_init_engine_ptrs(struct drm_device *dev)
engine->fifo.destroy_context = nv10_fifo_destroy_context;
engine->fifo.load_context = nv10_fifo_load_context;
engine->fifo.unload_context = nv10_fifo_unload_context;
+ engine->fifo.pause = NULL;
+ engine->fifo.unpause = NULL;
engine->display.early_init = nv04_display_early_init;
engine->display.late_takedown = nv04_display_late_takedown;
engine->display.create = nv04_display_create;
@@ -194,6 +198,8 @@ static int nouveau_init_engine_ptrs(struct drm_device *dev)
engine->fifo.destroy_context = nv10_fifo_destroy_context;
engine->fifo.load_context = nv10_fifo_load_context;
engine->fifo.unload_context = nv10_fifo_unload_context;
+ engine->fifo.pause = NULL;
+ engine->fifo.unpause = NULL;
engine->display.early_init = nv04_display_early_init;
engine->display.late_takedown = nv04_display_late_takedown;
engine->display.create = nv04_display_create;
@@ -248,6 +254,8 @@ static int nouveau_init_engine_ptrs(struct drm_device *dev)
engine->fifo.destroy_context = nv10_fifo_destroy_context;
engine->fifo.load_context = nv10_fifo_load_context;
engine->fifo.unload_context = nv10_fifo_unload_context;
+ engine->fifo.pause = NULL;
+ engine->fifo.unpause = NULL;
engine->display.early_init = nv04_display_early_init;
engine->display.late_takedown = nv04_display_late_takedown;
engine->display.create = nv04_display_create;
@@ -305,6 +313,8 @@ static int nouveau_init_engine_ptrs(struct drm_device *dev)
engine->fifo.destroy_context = nv40_fifo_destroy_context;
engine->fifo.load_context = nv40_fifo_load_context;
engine->fifo.unload_context = nv40_fifo_unload_context;
+ engine->fifo.pause = NULL;
+ engine->fifo.unpause = NULL;
engine->display.early_init = nv04_display_early_init;
engine->display.late_takedown = nv04_display_late_takedown;
engine->display.create = nv04_display_create;
@@ -365,6 +375,8 @@ static int nouveau_init_engine_ptrs(struct drm_device *dev)
engine->fifo.destroy_context = nv50_fifo_destroy_context;
engine->fifo.load_context = nv50_fifo_load_context;
engine->fifo.unload_context = nv50_fifo_unload_context;
+ engine->fifo.pause = nv50_fifo_pause;
+ engine->fifo.unpause = nv50_fifo_unpause;
engine->display.early_init = nv50_display_early_init;
engine->display.late_takedown = nv50_display_late_takedown;
engine->display.create = nv50_display_create;
@@ -434,6 +446,8 @@ static int nouveau_init_engine_ptrs(struct drm_device *dev)
engine->fifo.destroy_context = nvc0_fifo_destroy_context;
engine->fifo.load_context = nvc0_fifo_load_context;
engine->fifo.unload_context = nvc0_fifo_unload_context;
+ engine->fifo.pause = NULL;
+ engine->fifo.unpause = NULL;
engine->display.early_init = nv50_display_early_init;
engine->display.late_takedown = nv50_display_late_takedown;
engine->display.create = nv50_display_create;
diff --git a/drivers/gpu/drm/nouveau/nv50_fifo.c
b/drivers/gpu/drm/nouveau/nv50_fifo.c
index a46a961..dd746eb 100644
--- a/drivers/gpu/drm/nouveau/nv50_fifo.c
+++ b/drivers/gpu/drm/nouveau/nv50_fifo.c
@@ -464,3 +464,21 @@ nv50_fifo_unload_context(struct drm_device *dev)
return 0;
}
+int
+nv50_fifo_pause(struct drm_device *dev)
+{
+ nv_wr32(dev, NV50_PFIFO_FREEZE, 1);
+ if (!nouveau_wait_until(dev, 2000000000ULL, NV50_PFIFO_FREEZE,
+ 0x10, 0x10)) {
+ NV_ERROR(dev, "PFIFO freeze fail!\n");
+ return -EIO;
+ }
+ return 0;
+}
+
+int
+nv50_fifo_unpause(struct drm_device *dev)
+{
+ nv_wr32(dev, NV50_PFIFO_FREEZE, 0);
+ return 0;
+}
--
1.7.2
--------------060107090404080201010405
Content-Type: text/x-patch;
name="0002-Add-pause-unpause-methods-to-the-PGRAPH-engine-v2.patch"
Content-Transfer-Encoding: 7bit
Content-Disposition: attachment;
filename*0="0002-Add-pause-unpause-methods-to-the-PGRAPH-engine-v2.patch"
Martin Peres
2010-Sep-29 12:56 UTC
[PATCH 1/3] Add pause/unpause methods to the PFIFO engine
Signed-off-by: Martin Peres <martin.peres at ensi-bourges.fr>
---
drivers/gpu/drm/nouveau/nouveau_drv.h | 8 ++++++++
drivers/gpu/drm/nouveau/nouveau_reg.h | 1 +
drivers/gpu/drm/nouveau/nouveau_state.c | 14 ++++++++++++++
drivers/gpu/drm/nouveau/nv50_fifo.c | 18 ++++++++++++++++++
4 files changed, 41 insertions(+), 0 deletions(-)
diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h
b/drivers/gpu/drm/nouveau/nouveau_drv.h
index 591254e..c256c0a 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drv.h
+++ b/drivers/gpu/drm/nouveau/nouveau_drv.h
@@ -304,6 +304,9 @@ struct nouveau_fifo_engine {
void (*destroy_context)(struct nouveau_channel *);
int (*load_context)(struct nouveau_channel *);
int (*unload_context)(struct drm_device *);
+
+ int (*pause)(struct drm_device *);
+ int (*unpause)(struct drm_device *);
};
struct nouveau_pgraph_object_method {
@@ -339,6 +342,9 @@ struct nouveau_pgraph_engine {
void (*set_region_tiling)(struct drm_device *dev, int i, uint32_t addr,
uint32_t size, uint32_t pitch);
+
+ int (*pause)(struct drm_device *);
+ int (*unpause)(struct drm_device *);
};
struct nouveau_display_engine {
@@ -1036,6 +1042,8 @@ extern int nv50_fifo_create_context(struct
nouveau_channel *);
extern void nv50_fifo_destroy_context(struct nouveau_channel *);
extern int nv50_fifo_load_context(struct nouveau_channel *);
extern int nv50_fifo_unload_context(struct drm_device *);
+extern int nv50_fifo_pause(struct drm_device *);
+extern int nv50_fifo_unpause(struct drm_device *);
/* nvc0_fifo.c */
extern int nvc0_fifo_init(struct drm_device *);
diff --git a/drivers/gpu/drm/nouveau/nouveau_reg.h
b/drivers/gpu/drm/nouveau/nouveau_reg.h
index 1b42541..ee6dae1 100644
--- a/drivers/gpu/drm/nouveau/nouveau_reg.h
+++ b/drivers/gpu/drm/nouveau/nouveau_reg.h
@@ -701,6 +701,7 @@
#define NV50_PGRAPH 0x00400000
#define NV50_PGRAPH__LEN 0x1
#define NV50_PGRAPH__ESIZE 0x10000
+#define NV50_PFIFO_FREEZE 0x2504
#define NV50_PDISPLAY 0x00610000
#define NV50_PDISPLAY_OBJECTS 0x00610010
diff --git a/drivers/gpu/drm/nouveau/nouveau_state.c
b/drivers/gpu/drm/nouveau/nouveau_state.c
index 75bce91..cfc34f5 100644
--- a/drivers/gpu/drm/nouveau/nouveau_state.c
+++ b/drivers/gpu/drm/nouveau/nouveau_state.c
@@ -86,6 +86,8 @@ static int nouveau_init_engine_ptrs(struct drm_device *dev)
engine->fifo.destroy_context = nv04_fifo_destroy_context;
engine->fifo.load_context = nv04_fifo_load_context;
engine->fifo.unload_context = nv04_fifo_unload_context;
+ engine->fifo.pause = NULL;
+ engine->fifo.unpause = NULL;
engine->display.early_init = nv04_display_early_init;
engine->display.late_takedown = nv04_display_late_takedown;
engine->display.create = nv04_display_create;
@@ -140,6 +142,8 @@ static int nouveau_init_engine_ptrs(struct drm_device *dev)
engine->fifo.destroy_context = nv10_fifo_destroy_context;
engine->fifo.load_context = nv10_fifo_load_context;
engine->fifo.unload_context = nv10_fifo_unload_context;
+ engine->fifo.pause = NULL;
+ engine->fifo.unpause = NULL;
engine->display.early_init = nv04_display_early_init;
engine->display.late_takedown = nv04_display_late_takedown;
engine->display.create = nv04_display_create;
@@ -194,6 +198,8 @@ static int nouveau_init_engine_ptrs(struct drm_device *dev)
engine->fifo.destroy_context = nv10_fifo_destroy_context;
engine->fifo.load_context = nv10_fifo_load_context;
engine->fifo.unload_context = nv10_fifo_unload_context;
+ engine->fifo.pause = NULL;
+ engine->fifo.unpause = NULL;
engine->display.early_init = nv04_display_early_init;
engine->display.late_takedown = nv04_display_late_takedown;
engine->display.create = nv04_display_create;
@@ -248,6 +254,8 @@ static int nouveau_init_engine_ptrs(struct drm_device *dev)
engine->fifo.destroy_context = nv10_fifo_destroy_context;
engine->fifo.load_context = nv10_fifo_load_context;
engine->fifo.unload_context = nv10_fifo_unload_context;
+ engine->fifo.pause = NULL;
+ engine->fifo.unpause = NULL;
engine->display.early_init = nv04_display_early_init;
engine->display.late_takedown = nv04_display_late_takedown;
engine->display.create = nv04_display_create;
@@ -305,6 +313,8 @@ static int nouveau_init_engine_ptrs(struct drm_device *dev)
engine->fifo.destroy_context = nv40_fifo_destroy_context;
engine->fifo.load_context = nv40_fifo_load_context;
engine->fifo.unload_context = nv40_fifo_unload_context;
+ engine->fifo.pause = NULL;
+ engine->fifo.unpause = NULL;
engine->display.early_init = nv04_display_early_init;
engine->display.late_takedown = nv04_display_late_takedown;
engine->display.create = nv04_display_create;
@@ -365,6 +375,8 @@ static int nouveau_init_engine_ptrs(struct drm_device *dev)
engine->fifo.destroy_context = nv50_fifo_destroy_context;
engine->fifo.load_context = nv50_fifo_load_context;
engine->fifo.unload_context = nv50_fifo_unload_context;
+ engine->fifo.pause = nv50_fifo_pause;
+ engine->fifo.unpause = nv50_fifo_unpause;
engine->display.early_init = nv50_display_early_init;
engine->display.late_takedown = nv50_display_late_takedown;
engine->display.create = nv50_display_create;
@@ -434,6 +446,8 @@ static int nouveau_init_engine_ptrs(struct drm_device *dev)
engine->fifo.destroy_context = nvc0_fifo_destroy_context;
engine->fifo.load_context = nvc0_fifo_load_context;
engine->fifo.unload_context = nvc0_fifo_unload_context;
+ engine->fifo.pause = NULL;
+ engine->fifo.unpause = NULL;
engine->display.early_init = nv50_display_early_init;
engine->display.late_takedown = nv50_display_late_takedown;
engine->display.create = nv50_display_create;
diff --git a/drivers/gpu/drm/nouveau/nv50_fifo.c
b/drivers/gpu/drm/nouveau/nv50_fifo.c
index a46a961..dd746eb 100644
--- a/drivers/gpu/drm/nouveau/nv50_fifo.c
+++ b/drivers/gpu/drm/nouveau/nv50_fifo.c
@@ -464,3 +464,21 @@ nv50_fifo_unload_context(struct drm_device *dev)
return 0;
}
+int
+nv50_fifo_pause(struct drm_device *dev)
+{
+ nv_wr32(dev, NV50_PFIFO_FREEZE, 1);
+ if (!nouveau_wait_until(dev, 2000000000ULL, NV50_PFIFO_FREEZE,
+ 0x10, 0x10)) {
+ NV_ERROR(dev, "PFIFO freeze fail!\n");
+ return -EIO;
+ }
+ return 0;
+}
+
+int
+nv50_fifo_unpause(struct drm_device *dev)
+{
+ nv_wr32(dev, NV50_PFIFO_FREEZE, 0);
+ return 0;
+}
--
1.7.2
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Content-Disposition: attachment;
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