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drm/nv50: move evo handling to nv50_evo.c

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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2010-10-19 13:05:51 +10:00
parent 106ddad5aa
commit b7bc613a4c
5 changed files with 322 additions and 245 deletions
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2
drivers/gpu/drm/nouveau/Makefile
View file

@ -20,7 +20,7 @@ nouveau-y := nouveau_drv.o nouveau_state.o nouveau_channel.o nouveau_mem.o \
nv40_grctx.o nv50_grctx.o \
nv84_crypt.o \
nv04_instmem.o nv50_instmem.o nvc0_instmem.o \
nv50_crtc.o nv50_dac.o nv50_sor.o \
nv50_evo.o nv50_crtc.o nv50_dac.o nv50_sor.o \
nv50_cursor.o nv50_display.o nv50_fbcon.o \
nv04_dac.o nv04_dfp.o nv04_tv.o nv17_tv.o nv17_tv_modes.o \
nv04_crtc.o nv04_display.o nv04_cursor.o nv04_fbcon.o \

22
drivers/gpu/drm/nouveau/nouveau_reg.h
View file

@ -729,17 +729,17 @@
#define NV50_PDISPLAY_UNK30_CTRL_PENDING 0x80000000
#define NV50_PDISPLAY_TRAPPED_ADDR 0x00610080
#define NV50_PDISPLAY_TRAPPED_DATA 0x00610084
#define NV50_PDISPLAY_CHANNEL_STAT(i) ((i) * 0x10 + 0x00610200)
#define NV50_PDISPLAY_CHANNEL_STAT_DMA 0x00000010
#define NV50_PDISPLAY_CHANNEL_STAT_DMA_DISABLED 0x00000000
#define NV50_PDISPLAY_CHANNEL_STAT_DMA_ENABLED 0x00000010
#define NV50_PDISPLAY_CHANNEL_DMA_CB(i) ((i) * 0x10 + 0x00610204)
#define NV50_PDISPLAY_CHANNEL_DMA_CB_LOCATION 0x00000002
#define NV50_PDISPLAY_CHANNEL_DMA_CB_LOCATION_VRAM 0x00000000
#define NV50_PDISPLAY_CHANNEL_DMA_CB_LOCATION_SYSTEM 0x00000002
#define NV50_PDISPLAY_CHANNEL_DMA_CB_VALID 0x00000001
#define NV50_PDISPLAY_CHANNEL_UNK2(i) ((i) * 0x10 + 0x00610208)
#define NV50_PDISPLAY_CHANNEL_UNK3(i) ((i) * 0x10 + 0x0061020c)
#define NV50_PDISPLAY_EVO_CTRL(i) ((i) * 0x10 + 0x00610200)
#define NV50_PDISPLAY_EVO_CTRL_DMA 0x00000010
#define NV50_PDISPLAY_EVO_CTRL_DMA_DISABLED 0x00000000
#define NV50_PDISPLAY_EVO_CTRL_DMA_ENABLED 0x00000010
#define NV50_PDISPLAY_EVO_DMA_CB(i) ((i) * 0x10 + 0x00610204)
#define NV50_PDISPLAY_EVO_DMA_CB_LOCATION 0x00000002
#define NV50_PDISPLAY_EVO_DMA_CB_LOCATION_VRAM 0x00000000
#define NV50_PDISPLAY_EVO_DMA_CB_LOCATION_SYSTEM 0x00000002
#define NV50_PDISPLAY_EVO_DMA_CB_VALID 0x00000001
#define NV50_PDISPLAY_EVO_UNK2(i) ((i) * 0x10 + 0x00610208)
#define NV50_PDISPLAY_EVO_HASH_TAG(i) ((i) * 0x10 + 0x0061020c)
#define NV50_PDISPLAY_CURSOR 0x00610270
#define NV50_PDISPLAY_CURSOR_CURSOR_CTRL2(i) ((i) * 0x10 + 0x00610270)

238
drivers/gpu/drm/nouveau/nv50_display.c
View file

@ -46,159 +46,6 @@ nv50_sor_nr(struct drm_device *dev)
return 4;
}
static void
nv50_evo_channel_del(struct nouveau_channel **pchan)
{
struct nouveau_channel *chan = *pchan;
if (!chan)
return;
*pchan = NULL;
nouveau_gpuobj_channel_takedown(chan);
nouveau_bo_unmap(chan->pushbuf_bo);
nouveau_bo_ref(NULL, &chan->pushbuf_bo);
if (chan->user)
iounmap(chan->user);
kfree(chan);
}
static int
nv50_evo_dmaobj_new(struct nouveau_channel *evo, uint32_t class, uint32_t name,
uint32_t tile_flags, uint32_t magic_flags,
uint32_t offset, uint32_t limit)
{
struct drm_nouveau_private *dev_priv = evo->dev->dev_private;
struct drm_device *dev = evo->dev;
struct nouveau_gpuobj *obj = NULL;
int ret;
ret = nouveau_gpuobj_new(dev, evo, 6*4, 32, 0, &obj);
if (ret)
return ret;
obj->engine = NVOBJ_ENGINE_DISPLAY;
nv_wo32(obj, 0, (tile_flags << 22) | (magic_flags << 16) | class);
nv_wo32(obj, 4, limit);
nv_wo32(obj, 8, offset);
nv_wo32(obj, 12, 0x00000000);
nv_wo32(obj, 16, 0x00000000);
if (dev_priv->card_type < NV_C0)
nv_wo32(obj, 20, 0x00010000);
else
nv_wo32(obj, 20, 0x00020000);
dev_priv->engine.instmem.flush(dev);
ret = nouveau_ramht_insert(evo, name, obj);
nouveau_gpuobj_ref(NULL, &obj);
if (ret) {
return ret;
}
return 0;
}
static int
nv50_evo_channel_new(struct drm_device *dev, struct nouveau_channel **pchan)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_gpuobj *ramht = NULL;
struct nouveau_channel *chan;
int ret;
chan = kzalloc(sizeof(struct nouveau_channel), GFP_KERNEL);
if (!chan)
return -ENOMEM;
*pchan = chan;
chan->id = -1;
chan->dev = dev;
chan->user_get = 4;
chan->user_put = 0;
ret = nouveau_gpuobj_new(dev, NULL, 32768, 0x1000,
NVOBJ_FLAG_ZERO_ALLOC, &chan->ramin);
if (ret) {
NV_ERROR(dev, "Error allocating EVO channel memory: %d\n", ret);
nv50_evo_channel_del(pchan);
return ret;
}
ret = drm_mm_init(&chan->ramin_heap, 0, 32768);
if (ret) {
NV_ERROR(dev, "Error initialising EVO PRAMIN heap: %d\n", ret);
nv50_evo_channel_del(pchan);
return ret;
}
ret = nouveau_gpuobj_new(dev, chan, 4096, 16, 0, &ramht);
if (ret) {
NV_ERROR(dev, "Unable to allocate EVO RAMHT: %d\n", ret);
nv50_evo_channel_del(pchan);
return ret;
}
ret = nouveau_ramht_new(dev, ramht, &chan->ramht);
nouveau_gpuobj_ref(NULL, &ramht);
if (ret) {
nv50_evo_channel_del(pchan);
return ret;
}
if (dev_priv->chipset != 0x50) {
ret = nv50_evo_dmaobj_new(chan, 0x3d, NvEvoFB16, 0x70, 0x19,
0, 0xffffffff);
if (ret) {
nv50_evo_channel_del(pchan);
return ret;
}
ret = nv50_evo_dmaobj_new(chan, 0x3d, NvEvoFB32, 0x7a, 0x19,
0, 0xffffffff);
if (ret) {
nv50_evo_channel_del(pchan);
return ret;
}
}
ret = nv50_evo_dmaobj_new(chan, 0x3d, NvEvoVRAM, 0, 0x19,
0, dev_priv->vram_size);
if (ret) {
nv50_evo_channel_del(pchan);
return ret;
}
ret = nouveau_bo_new(dev, NULL, 4096, 0, TTM_PL_FLAG_VRAM, 0, 0,
false, true, &chan->pushbuf_bo);
if (ret == 0)
ret = nouveau_bo_pin(chan->pushbuf_bo, TTM_PL_FLAG_VRAM);
if (ret) {
NV_ERROR(dev, "Error creating EVO DMA push buffer: %d\n", ret);
nv50_evo_channel_del(pchan);
return ret;
}
ret = nouveau_bo_map(chan->pushbuf_bo);
if (ret) {
NV_ERROR(dev, "Error mapping EVO DMA push buffer: %d\n", ret);
nv50_evo_channel_del(pchan);
return ret;
}
chan->user = ioremap(pci_resource_start(dev->pdev, 0) +
NV50_PDISPLAY_USER(0), PAGE_SIZE);
if (!chan->user) {
NV_ERROR(dev, "Error mapping EVO control regs.\n");
nv50_evo_channel_del(pchan);
return -ENOMEM;
}
return 0;
}
int
nv50_display_early_init(struct drm_device *dev)
{
@ -214,12 +61,10 @@ int
nv50_display_init(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_timer_engine *ptimer = &dev_priv->engine.timer;
struct nouveau_gpio_engine *pgpio = &dev_priv->engine.gpio;
struct nouveau_channel *evo = dev_priv->evo;
struct drm_connector *connector;
struct nouveau_channel *evo;
int ret, i;
u64 start;
u32 val;
NV_DEBUG_KMS(dev, "\n");
@ -303,7 +148,6 @@ nv50_display_init(struct drm_device *dev)
}
}
nv_wr32(dev, NV50_PDISPLAY_OBJECTS, (evo->ramin->vinst >> 8) | 9);
nv_wr32(dev, NV50_PDISPLAY_PIO_CTRL, 0x00000000);
nv_wr32(dev, 0x610028, 0x00000000);
nv_mask(dev, NV50_PDISPLAY_INTR_0, 0x00000000, 0x00000000);
@ -323,69 +167,12 @@ nv50_display_init(struct drm_device *dev)
pgpio->irq_enable(dev, conn->dcb->gpio_tag, true);
}
/* taken from nv bug #12637, attempts to un-wedge the hw if it's
* stuck in some unspecified state
*/
start = ptimer->read(dev);
nv_wr32(dev, NV50_PDISPLAY_CHANNEL_STAT(0), 0x2b00);
while ((val = nv_rd32(dev, NV50_PDISPLAY_CHANNEL_STAT(0))) & 0x1e0000) {
if ((val & 0x9f0000) == 0x20000)
nv_wr32(dev, NV50_PDISPLAY_CHANNEL_STAT(0),
val | 0x800000);
if ((val & 0x3f0000) == 0x30000)
nv_wr32(dev, NV50_PDISPLAY_CHANNEL_STAT(0),
val | 0x200000);
if (ptimer->read(dev) - start > 1000000000ULL) {
NV_ERROR(dev, "timeout: (0x610200 & 0x1e0000) != 0\n");
NV_ERROR(dev, "0x610200 = 0x%08x\n", val);
return -EBUSY;
}
}
nv_wr32(dev, NV50_PDISPLAY_CHANNEL_STAT(0), 0x1000b03);
if (!nv_wait(dev, NV50_PDISPLAY_CHANNEL_STAT(0),
0x40000000, 0x40000000)) {
NV_ERROR(dev, "timeout: (0x610200 & 0x40000000) == 0x40000000\n");
NV_ERROR(dev, "0x610200 = 0x%08x\n",
nv_rd32(dev, NV50_PDISPLAY_CHANNEL_STAT(0)));
return -EBUSY;
}
/* initialise fifo */
nv_wr32(dev, NV50_PDISPLAY_CHANNEL_DMA_CB(0),
((evo->pushbuf_bo->bo.mem.start << PAGE_SHIFT) >> 8) |
NV50_PDISPLAY_CHANNEL_DMA_CB_LOCATION_VRAM |
NV50_PDISPLAY_CHANNEL_DMA_CB_VALID);
nv_wr32(dev, NV50_PDISPLAY_CHANNEL_UNK2(0), 0x00010000);
nv_wr32(dev, NV50_PDISPLAY_CHANNEL_UNK3(0), 0x00000002);
if (!nv_wait(dev, 0x610200, 0x80000000, 0x00000000)) {
NV_ERROR(dev, "timeout: (0x610200 & 0x80000000) == 0\n");
NV_ERROR(dev, "0x610200 = 0x%08x\n", nv_rd32(dev, 0x610200));
return -EBUSY;
}
nv_wr32(dev, NV50_PDISPLAY_CHANNEL_STAT(0),
(nv_rd32(dev, NV50_PDISPLAY_CHANNEL_STAT(0)) & ~0x00000003) |
NV50_PDISPLAY_CHANNEL_STAT_DMA_ENABLED);
nv_wr32(dev, NV50_PDISPLAY_USER_PUT(0), 0);
nv_wr32(dev, NV50_PDISPLAY_CHANNEL_STAT(0), 0x01000003 |
NV50_PDISPLAY_CHANNEL_STAT_DMA_ENABLED);
/* enable error reporting on the channel */
nv_mask(dev, 0x610028, 0x00000000, 0x00010001 << 0);
evo->dma.max = (4096/4) - 2;
evo->dma.put = 0;
evo->dma.cur = evo->dma.put;
evo->dma.free = evo->dma.max - evo->dma.cur;
ret = RING_SPACE(evo, NOUVEAU_DMA_SKIPS);
ret = nv50_evo_init(dev);
if (ret)
return ret;
evo = dev_priv->evo;
for (i = 0; i < NOUVEAU_DMA_SKIPS; i++)
OUT_RING(evo, 0);
nv_wr32(dev, NV50_PDISPLAY_OBJECTS, (evo->ramin->vinst >> 8) | 9);
ret = RING_SPACE(evo, 11);
if (ret)
@ -449,12 +236,7 @@ static int nv50_display_disable(struct drm_device *dev)
}
}
nv_wr32(dev, NV50_PDISPLAY_CHANNEL_STAT(0), 0);
if (!nv_wait(dev, NV50_PDISPLAY_CHANNEL_STAT(0), 0x1e0000, 0)) {
NV_ERROR(dev, "timeout: (0x610200 & 0x1e0000) == 0\n");
NV_ERROR(dev, "0x610200 = 0x%08x\n",
nv_rd32(dev, NV50_PDISPLAY_CHANNEL_STAT(0)));
}
nv50_evo_fini(dev);
for (i = 0; i < 3; i++) {
if (!nv_wait(dev, NV50_PDISPLAY_SOR_DPMS_STATE(i),
@ -504,13 +286,6 @@ int nv50_display_create(struct drm_device *dev)
dev->mode_config.fb_base = dev_priv->fb_phys;
/* Create EVO channel */
ret = nv50_evo_channel_new(dev, &dev_priv->evo);
if (ret) {
NV_ERROR(dev, "Error creating EVO channel: %d\n", ret);
return ret;
}
/* Create CRTC objects */
for (i = 0; i < 2; i++)
nv50_crtc_create(dev, i);
@ -565,14 +340,11 @@ int nv50_display_create(struct drm_device *dev)
void
nv50_display_destroy(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
NV_DEBUG_KMS(dev, "\n");
drm_mode_config_cleanup(dev);
nv50_display_disable(dev);
nv50_evo_channel_del(&dev_priv->evo);
}
static u16

295
drivers/gpu/drm/nouveau/nv50_evo.c Normal file
View file

@ -0,0 +1,295 @@
/*
* Copyright 2010 Red Hat Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: Ben Skeggs
*/
#include "drmP.h"
#include "nouveau_drv.h"
#include "nouveau_dma.h"
#include "nouveau_ramht.h"
static void
nv50_evo_channel_del(struct nouveau_channel **pchan)
{
struct nouveau_channel *chan = *pchan;
if (!chan)
return;
*pchan = NULL;
nouveau_gpuobj_channel_takedown(chan);
nouveau_bo_unmap(chan->pushbuf_bo);
nouveau_bo_ref(NULL, &chan->pushbuf_bo);
if (chan->user)
iounmap(chan->user);
kfree(chan);
}
int
nv50_evo_dmaobj_new(struct nouveau_channel *evo, u32 class, u32 name,
u32 tile_flags, u32 magic_flags, u32 offset, u32 limit)
{
struct drm_nouveau_private *dev_priv = evo->dev->dev_private;
struct drm_device *dev = evo->dev;
struct nouveau_gpuobj *obj = NULL;
int ret;
ret = nouveau_gpuobj_new(dev, evo, 6*4, 32, 0, &obj);
if (ret)
return ret;
obj->engine = NVOBJ_ENGINE_DISPLAY;
nv_wo32(obj, 0, (tile_flags << 22) | (magic_flags << 16) | class);
nv_wo32(obj, 4, limit);
nv_wo32(obj, 8, offset);
nv_wo32(obj, 12, 0x00000000);
nv_wo32(obj, 16, 0x00000000);
if (dev_priv->card_type < NV_C0)
nv_wo32(obj, 20, 0x00010000);
else
nv_wo32(obj, 20, 0x00020000);
dev_priv->engine.instmem.flush(dev);
ret = nouveau_ramht_insert(evo, name, obj);
nouveau_gpuobj_ref(NULL, &obj);
if (ret) {
return ret;
}
return 0;
}
static int
nv50_evo_channel_new(struct drm_device *dev, struct nouveau_channel **pchan)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_gpuobj *ramht = NULL;
struct nouveau_channel *chan;
int ret;
chan = kzalloc(sizeof(struct nouveau_channel), GFP_KERNEL);
if (!chan)
return -ENOMEM;
*pchan = chan;
chan->id = -1;
chan->dev = dev;
chan->user_get = 4;
chan->user_put = 0;
ret = nouveau_gpuobj_new(dev, NULL, 32768, 0x1000,
NVOBJ_FLAG_ZERO_ALLOC, &chan->ramin);
if (ret) {
NV_ERROR(dev, "Error allocating EVO channel memory: %d\n", ret);
nv50_evo_channel_del(pchan);
return ret;
}
ret = drm_mm_init(&chan->ramin_heap, 0, 32768);
if (ret) {
NV_ERROR(dev, "Error initialising EVO PRAMIN heap: %d\n", ret);
nv50_evo_channel_del(pchan);
return ret;
}
ret = nouveau_gpuobj_new(dev, chan, 4096, 16, 0, &ramht);
if (ret) {
NV_ERROR(dev, "Unable to allocate EVO RAMHT: %d\n", ret);
nv50_evo_channel_del(pchan);
return ret;
}
ret = nouveau_ramht_new(dev, ramht, &chan->ramht);
nouveau_gpuobj_ref(NULL, &ramht);
if (ret) {
nv50_evo_channel_del(pchan);
return ret;
}
if (dev_priv->chipset != 0x50) {
ret = nv50_evo_dmaobj_new(chan, 0x3d, NvEvoFB16, 0x70, 0x19,
0, 0xffffffff);
if (ret) {
nv50_evo_channel_del(pchan);
return ret;
}
ret = nv50_evo_dmaobj_new(chan, 0x3d, NvEvoFB32, 0x7a, 0x19,
0, 0xffffffff);
if (ret) {
nv50_evo_channel_del(pchan);
return ret;
}
}
ret = nv50_evo_dmaobj_new(chan, 0x3d, NvEvoVRAM, 0, 0x19,
0, dev_priv->vram_size);
if (ret) {
nv50_evo_channel_del(pchan);
return ret;
}
ret = nouveau_bo_new(dev, NULL, 4096, 0, TTM_PL_FLAG_VRAM, 0, 0,
false, true, &chan->pushbuf_bo);
if (ret == 0)
ret = nouveau_bo_pin(chan->pushbuf_bo, TTM_PL_FLAG_VRAM);
if (ret) {
NV_ERROR(dev, "Error creating EVO DMA push buffer: %d\n", ret);
nv50_evo_channel_del(pchan);
return ret;
}
ret = nouveau_bo_map(chan->pushbuf_bo);
if (ret) {
NV_ERROR(dev, "Error mapping EVO DMA push buffer: %d\n", ret);
nv50_evo_channel_del(pchan);
return ret;
}
chan->user = ioremap(pci_resource_start(dev->pdev, 0) +
NV50_PDISPLAY_USER(0), PAGE_SIZE);
if (!chan->user) {
NV_ERROR(dev, "Error mapping EVO control regs.\n");
nv50_evo_channel_del(pchan);
return -ENOMEM;
}
return 0;
}
static int
nv50_evo_channel_init(struct nouveau_channel *evo)
{
struct drm_nouveau_private *dev_priv = evo->dev->dev_private;
struct nouveau_timer_engine *ptimer = &dev_priv->engine.timer;
struct drm_device *dev = evo->dev;
int ret, i;
u64 start;
u32 tmp;
/* taken from nv bug #12637, attempts to un-wedge the hw if it's
* stuck in some unspecified state
*/
start = ptimer->read(dev);
nv_wr32(dev, NV50_PDISPLAY_EVO_CTRL(0), 0x2b00);
while ((tmp = nv_rd32(dev, NV50_PDISPLAY_EVO_CTRL(0))) & 0x1e0000) {
if ((tmp & 0x9f0000) == 0x20000)
nv_wr32(dev, NV50_PDISPLAY_EVO_CTRL(0), tmp | 0x800000);
if ((tmp & 0x3f0000) == 0x30000)
nv_wr32(dev, NV50_PDISPLAY_EVO_CTRL(0), tmp | 0x200000);
if (ptimer->read(dev) - start > 1000000000ULL) {
NV_ERROR(dev, "timeout: (0x610200 & 0x1e0000) != 0\n");
NV_ERROR(dev, "0x610200 = 0x%08x\n", tmp);
return -EBUSY;
}
}
nv_wr32(dev, NV50_PDISPLAY_EVO_CTRL(0), 0x1000b03);
if (!nv_wait(dev, NV50_PDISPLAY_EVO_CTRL(0),
0x40000000, 0x40000000)) {
NV_ERROR(dev, "timeout: (0x610200 & 0x40000000) == 0x40000000\n");
NV_ERROR(dev, "0x610200 = 0x%08x\n",
nv_rd32(dev, NV50_PDISPLAY_EVO_CTRL(0)));
return -EBUSY;
}
/* initialise fifo */
nv_wr32(dev, NV50_PDISPLAY_EVO_DMA_CB(0),
((evo->pushbuf_bo->bo.mem.start << PAGE_SHIFT) >> 8) |
NV50_PDISPLAY_EVO_DMA_CB_LOCATION_VRAM |
NV50_PDISPLAY_EVO_DMA_CB_VALID);
nv_wr32(dev, NV50_PDISPLAY_EVO_UNK2(0), 0x00010000);
nv_wr32(dev, NV50_PDISPLAY_EVO_HASH_TAG(0), 0x00000002);
if (!nv_wait(dev, 0x610200, 0x80000000, 0x00000000)) {
NV_ERROR(dev, "timeout: (0x610200 & 0x80000000) == 0\n");
NV_ERROR(dev, "0x610200 = 0x%08x\n", nv_rd32(dev, 0x610200));
return -EBUSY;
}
nv_wr32(dev, NV50_PDISPLAY_EVO_CTRL(0),
(nv_rd32(dev, NV50_PDISPLAY_EVO_CTRL(0)) & ~0x00000003) |
NV50_PDISPLAY_EVO_CTRL_DMA_ENABLED);
nv_wr32(dev, NV50_PDISPLAY_USER_PUT(0), 0);
nv_wr32(dev, NV50_PDISPLAY_EVO_CTRL(0), 0x01000003 |
NV50_PDISPLAY_EVO_CTRL_DMA_ENABLED);
/* enable error reporting on the channel */
nv_mask(dev, 0x610028, 0x00000000, 0x00010001 << 0);
evo->dma.max = (4096/4) - 2;
evo->dma.put = 0;
evo->dma.cur = evo->dma.put;
evo->dma.free = evo->dma.max - evo->dma.cur;
ret = RING_SPACE(evo, NOUVEAU_DMA_SKIPS);
if (ret)
return ret;
for (i = 0; i < NOUVEAU_DMA_SKIPS; i++)
OUT_RING(evo, 0);
return 0;
}
static void
nv50_evo_channel_fini(struct nouveau_channel *evo)
{
struct drm_device *dev = evo->dev;
nv_wr32(dev, NV50_PDISPLAY_EVO_CTRL(0), 0);
if (!nv_wait(dev, NV50_PDISPLAY_EVO_CTRL(0), 0x1e0000, 0)) {
NV_ERROR(dev, "timeout: (0x610200 & 0x1e0000) == 0\n");
NV_ERROR(dev, "0x610200 = 0x%08x\n",
nv_rd32(dev, NV50_PDISPLAY_EVO_CTRL(0)));
}
}
int
nv50_evo_init(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
int ret;
if (!dev_priv->evo) {
ret = nv50_evo_channel_new(dev, &dev_priv->evo);
if (ret)
return ret;
}
return nv50_evo_channel_init(dev_priv->evo);
}
void
nv50_evo_fini(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
if (dev_priv->evo) {
nv50_evo_channel_fini(dev_priv->evo);
nv50_evo_channel_del(&dev_priv->evo);
}
}

10
drivers/gpu/drm/nouveau/nv50_evo.h
View file

@ -24,6 +24,15 @@
*
*/
#ifndef __NV50_EVO_H__
#define __NV50_EVO_H__
int nv50_evo_init(struct drm_device *dev);
void nv50_evo_fini(struct drm_device *dev);
int nv50_evo_dmaobj_new(struct nouveau_channel *, u32 class, u32 name,
u32 tile_flags, u32 magic_flags,
u32 offset, u32 limit);
#define NV50_EVO_UPDATE 0x00000080
#define NV50_EVO_UNK84 0x00000084
#define NV50_EVO_UNK84_NOTIFY 0x40000000
@ -111,3 +120,4 @@
#define NV50_EVO_CRTC_SCALE_RES1 0x000008d8
#define NV50_EVO_CRTC_SCALE_RES2 0x000008dc
#endif