linux/drivers/gpu/drm/nouveau/nouveau_drv.c
Ben Skeggs 4c13614298 drm/nv50: implement global channel address space on new VM code
As of this commit, it's guaranteed that if an object is in VRAM that its
GPU virtual address will be constant.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2010-12-08 13:48:13 +10:00

464 lines
13 KiB
C

/*
* Copyright 2005 Stephane Marchesin.
* All Rights Reserved.
*
* 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 (including the next
* paragraph) 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
* VA LINUX SYSTEMS AND/OR ITS SUPPLIERS 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.
*/
#include <linux/console.h>
#include "drmP.h"
#include "drm.h"
#include "drm_crtc_helper.h"
#include "nouveau_drv.h"
#include "nouveau_hw.h"
#include "nouveau_fb.h"
#include "nouveau_fbcon.h"
#include "nouveau_pm.h"
#include "nv50_display.h"
#include "drm_pciids.h"
MODULE_PARM_DESC(agpmode, "AGP mode (0 to disable AGP)");
int nouveau_agpmode = -1;
module_param_named(agpmode, nouveau_agpmode, int, 0400);
MODULE_PARM_DESC(modeset, "Enable kernel modesetting");
static int nouveau_modeset = -1; /* kms */
module_param_named(modeset, nouveau_modeset, int, 0400);
MODULE_PARM_DESC(vbios, "Override default VBIOS location");
char *nouveau_vbios;
module_param_named(vbios, nouveau_vbios, charp, 0400);
MODULE_PARM_DESC(vram_pushbuf, "Force DMA push buffers to be in VRAM");
int nouveau_vram_pushbuf;
module_param_named(vram_pushbuf, nouveau_vram_pushbuf, int, 0400);
MODULE_PARM_DESC(vram_notify, "Force DMA notifiers to be in VRAM");
int nouveau_vram_notify = 0;
module_param_named(vram_notify, nouveau_vram_notify, int, 0400);
MODULE_PARM_DESC(duallink, "Allow dual-link TMDS (>=GeForce 8)");
int nouveau_duallink = 1;
module_param_named(duallink, nouveau_duallink, int, 0400);
MODULE_PARM_DESC(uscript_lvds, "LVDS output script table ID (>=GeForce 8)");
int nouveau_uscript_lvds = -1;
module_param_named(uscript_lvds, nouveau_uscript_lvds, int, 0400);
MODULE_PARM_DESC(uscript_tmds, "TMDS output script table ID (>=GeForce 8)");
int nouveau_uscript_tmds = -1;
module_param_named(uscript_tmds, nouveau_uscript_tmds, int, 0400);
MODULE_PARM_DESC(ignorelid, "Ignore ACPI lid status");
int nouveau_ignorelid = 0;
module_param_named(ignorelid, nouveau_ignorelid, int, 0400);
MODULE_PARM_DESC(noaccel, "Disable all acceleration");
int nouveau_noaccel = 0;
module_param_named(noaccel, nouveau_noaccel, int, 0400);
MODULE_PARM_DESC(nofbaccel, "Disable fbcon acceleration");
int nouveau_nofbaccel = 0;
module_param_named(nofbaccel, nouveau_nofbaccel, int, 0400);
MODULE_PARM_DESC(force_post, "Force POST");
int nouveau_force_post = 0;
module_param_named(force_post, nouveau_force_post, int, 0400);
MODULE_PARM_DESC(override_conntype, "Ignore DCB connector type");
int nouveau_override_conntype = 0;
module_param_named(override_conntype, nouveau_override_conntype, int, 0400);
MODULE_PARM_DESC(tv_disable, "Disable TV-out detection\n");
int nouveau_tv_disable = 0;
module_param_named(tv_disable, nouveau_tv_disable, int, 0400);
MODULE_PARM_DESC(tv_norm, "Default TV norm.\n"
"\t\tSupported: PAL, PAL-M, PAL-N, PAL-Nc, NTSC-M, NTSC-J,\n"
"\t\t\thd480i, hd480p, hd576i, hd576p, hd720p, hd1080i.\n"
"\t\tDefault: PAL\n"
"\t\t*NOTE* Ignored for cards with external TV encoders.");
char *nouveau_tv_norm;
module_param_named(tv_norm, nouveau_tv_norm, charp, 0400);
MODULE_PARM_DESC(reg_debug, "Register access debug bitmask:\n"
"\t\t0x1 mc, 0x2 video, 0x4 fb, 0x8 extdev,\n"
"\t\t0x10 crtc, 0x20 ramdac, 0x40 vgacrtc, 0x80 rmvio,\n"
"\t\t0x100 vgaattr, 0x200 EVO (G80+). ");
int nouveau_reg_debug;
module_param_named(reg_debug, nouveau_reg_debug, int, 0600);
MODULE_PARM_DESC(perflvl, "Performance level (default: boot)\n");
char *nouveau_perflvl;
module_param_named(perflvl, nouveau_perflvl, charp, 0400);
MODULE_PARM_DESC(perflvl_wr, "Allow perflvl changes (warning: dangerous!)\n");
int nouveau_perflvl_wr;
module_param_named(perflvl_wr, nouveau_perflvl_wr, int, 0400);
MODULE_PARM_DESC(msi, "Enable MSI (default: off)\n");
int nouveau_msi;
module_param_named(msi, nouveau_msi, int, 0400);
int nouveau_fbpercrtc;
#if 0
module_param_named(fbpercrtc, nouveau_fbpercrtc, int, 0400);
#endif
static struct pci_device_id pciidlist[] = {
{
PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID),
.class = PCI_BASE_CLASS_DISPLAY << 16,
.class_mask = 0xff << 16,
},
{
PCI_DEVICE(PCI_VENDOR_ID_NVIDIA_SGS, PCI_ANY_ID),
.class = PCI_BASE_CLASS_DISPLAY << 16,
.class_mask = 0xff << 16,
},
{}
};
MODULE_DEVICE_TABLE(pci, pciidlist);
static struct drm_driver driver;
static int __devinit
nouveau_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
return drm_get_pci_dev(pdev, ent, &driver);
}
static void
nouveau_pci_remove(struct pci_dev *pdev)
{
struct drm_device *dev = pci_get_drvdata(pdev);
drm_put_dev(dev);
}
int
nouveau_pci_suspend(struct pci_dev *pdev, pm_message_t pm_state)
{
struct drm_device *dev = pci_get_drvdata(pdev);
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_instmem_engine *pinstmem = &dev_priv->engine.instmem;
struct nouveau_pgraph_engine *pgraph = &dev_priv->engine.graph;
struct nouveau_fifo_engine *pfifo = &dev_priv->engine.fifo;
struct nouveau_channel *chan;
struct drm_crtc *crtc;
int ret, i;
if (pm_state.event == PM_EVENT_PRETHAW)
return 0;
NV_INFO(dev, "Disabling fbcon acceleration...\n");
nouveau_fbcon_save_disable_accel(dev);
NV_INFO(dev, "Unpinning framebuffer(s)...\n");
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
struct nouveau_framebuffer *nouveau_fb;
nouveau_fb = nouveau_framebuffer(crtc->fb);
if (!nouveau_fb || !nouveau_fb->nvbo)
continue;
nouveau_bo_unpin(nouveau_fb->nvbo);
}
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
nouveau_bo_unmap(nv_crtc->cursor.nvbo);
nouveau_bo_unpin(nv_crtc->cursor.nvbo);
}
NV_INFO(dev, "Evicting buffers...\n");
ttm_bo_evict_mm(&dev_priv->ttm.bdev, TTM_PL_VRAM);
NV_INFO(dev, "Idling channels...\n");
for (i = 0; i < pfifo->channels; i++) {
chan = dev_priv->channels.ptr[i];
if (chan && chan->pushbuf_bo)
nouveau_channel_idle(chan);
}
pgraph->fifo_access(dev, false);
nouveau_wait_for_idle(dev);
pfifo->reassign(dev, false);
pfifo->disable(dev);
pfifo->unload_context(dev);
pgraph->unload_context(dev);
ret = pinstmem->suspend(dev);
if (ret) {
NV_ERROR(dev, "... failed: %d\n", ret);
goto out_abort;
}
NV_INFO(dev, "Suspending GPU objects...\n");
ret = nouveau_gpuobj_suspend(dev);
if (ret) {
NV_ERROR(dev, "... failed: %d\n", ret);
pinstmem->resume(dev);
goto out_abort;
}
NV_INFO(dev, "And we're gone!\n");
pci_save_state(pdev);
if (pm_state.event == PM_EVENT_SUSPEND) {
pci_disable_device(pdev);
pci_set_power_state(pdev, PCI_D3hot);
}
acquire_console_sem();
nouveau_fbcon_set_suspend(dev, 1);
release_console_sem();
nouveau_fbcon_restore_accel(dev);
return 0;
out_abort:
NV_INFO(dev, "Re-enabling acceleration..\n");
pfifo->enable(dev);
pfifo->reassign(dev, true);
pgraph->fifo_access(dev, true);
return ret;
}
int
nouveau_pci_resume(struct pci_dev *pdev)
{
struct drm_device *dev = pci_get_drvdata(pdev);
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_engine *engine = &dev_priv->engine;
struct drm_crtc *crtc;
int ret, i;
nouveau_fbcon_save_disable_accel(dev);
NV_INFO(dev, "We're back, enabling device...\n");
pci_set_power_state(pdev, PCI_D0);
pci_restore_state(pdev);
if (pci_enable_device(pdev))
return -1;
pci_set_master(dev->pdev);
/* Make sure the AGP controller is in a consistent state */
if (dev_priv->gart_info.type == NOUVEAU_GART_AGP)
nouveau_mem_reset_agp(dev);
/* Make the CRTCs accessible */
engine->display.early_init(dev);
NV_INFO(dev, "POSTing device...\n");
ret = nouveau_run_vbios_init(dev);
if (ret)
return ret;
nouveau_pm_resume(dev);
if (dev_priv->gart_info.type == NOUVEAU_GART_AGP) {
ret = nouveau_mem_init_agp(dev);
if (ret) {
NV_ERROR(dev, "error reinitialising AGP: %d\n", ret);
return ret;
}
}
NV_INFO(dev, "Restoring GPU objects...\n");
nouveau_gpuobj_resume(dev);
NV_INFO(dev, "Reinitialising engines...\n");
engine->instmem.resume(dev);
engine->mc.init(dev);
engine->timer.init(dev);
engine->fb.init(dev);
engine->graph.init(dev);
engine->crypt.init(dev);
engine->fifo.init(dev);
nouveau_irq_postinstall(dev);
/* Re-write SKIPS, they'll have been lost over the suspend */
if (nouveau_vram_pushbuf) {
struct nouveau_channel *chan;
int j;
for (i = 0; i < dev_priv->engine.fifo.channels; i++) {
chan = dev_priv->channels.ptr[i];
if (!chan || !chan->pushbuf_bo)
continue;
for (j = 0; j < NOUVEAU_DMA_SKIPS; j++)
nouveau_bo_wr32(chan->pushbuf_bo, i, 0);
}
}
NV_INFO(dev, "Restoring mode...\n");
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
struct nouveau_framebuffer *nouveau_fb;
nouveau_fb = nouveau_framebuffer(crtc->fb);
if (!nouveau_fb || !nouveau_fb->nvbo)
continue;
nouveau_bo_pin(nouveau_fb->nvbo, TTM_PL_FLAG_VRAM);
}
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
ret = nouveau_bo_pin(nv_crtc->cursor.nvbo, TTM_PL_FLAG_VRAM);
if (!ret)
ret = nouveau_bo_map(nv_crtc->cursor.nvbo);
if (ret)
NV_ERROR(dev, "Could not pin/map cursor.\n");
}
engine->display.init(dev);
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
u32 offset = nv_crtc->cursor.nvbo->bo.mem.start << PAGE_SHIFT;
nv_crtc->cursor.set_offset(nv_crtc, offset);
nv_crtc->cursor.set_pos(nv_crtc, nv_crtc->cursor_saved_x,
nv_crtc->cursor_saved_y);
}
/* Force CLUT to get re-loaded during modeset */
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
nv_crtc->lut.depth = 0;
}
acquire_console_sem();
nouveau_fbcon_set_suspend(dev, 0);
release_console_sem();
nouveau_fbcon_zfill_all(dev);
drm_helper_resume_force_mode(dev);
nouveau_fbcon_restore_accel(dev);
return 0;
}
static struct drm_driver driver = {
.driver_features =
DRIVER_USE_AGP | DRIVER_PCI_DMA | DRIVER_SG |
DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM |
DRIVER_MODESET,
.load = nouveau_load,
.firstopen = nouveau_firstopen,
.lastclose = nouveau_lastclose,
.unload = nouveau_unload,
.preclose = nouveau_preclose,
#if defined(CONFIG_DRM_NOUVEAU_DEBUG)
.debugfs_init = nouveau_debugfs_init,
.debugfs_cleanup = nouveau_debugfs_takedown,
#endif
.irq_preinstall = nouveau_irq_preinstall,
.irq_postinstall = nouveau_irq_postinstall,
.irq_uninstall = nouveau_irq_uninstall,
.irq_handler = nouveau_irq_handler,
.get_vblank_counter = drm_vblank_count,
.enable_vblank = nouveau_vblank_enable,
.disable_vblank = nouveau_vblank_disable,
.reclaim_buffers = drm_core_reclaim_buffers,
.ioctls = nouveau_ioctls,
.fops = {
.owner = THIS_MODULE,
.open = drm_open,
.release = drm_release,
.unlocked_ioctl = drm_ioctl,
.mmap = nouveau_ttm_mmap,
.poll = drm_poll,
.fasync = drm_fasync,
.read = drm_read,
#if defined(CONFIG_COMPAT)
.compat_ioctl = nouveau_compat_ioctl,
#endif
.llseek = noop_llseek,
},
.pci_driver = {
.name = DRIVER_NAME,
.id_table = pciidlist,
.probe = nouveau_pci_probe,
.remove = nouveau_pci_remove,
.suspend = nouveau_pci_suspend,
.resume = nouveau_pci_resume
},
.gem_init_object = nouveau_gem_object_new,
.gem_free_object = nouveau_gem_object_del,
.name = DRIVER_NAME,
.desc = DRIVER_DESC,
#ifdef GIT_REVISION
.date = GIT_REVISION,
#else
.date = DRIVER_DATE,
#endif
.major = DRIVER_MAJOR,
.minor = DRIVER_MINOR,
.patchlevel = DRIVER_PATCHLEVEL,
};
static int __init nouveau_init(void)
{
driver.num_ioctls = nouveau_max_ioctl;
if (nouveau_modeset == -1) {
#ifdef CONFIG_VGA_CONSOLE
if (vgacon_text_force())
nouveau_modeset = 0;
else
#endif
nouveau_modeset = 1;
}
if (!nouveau_modeset)
return 0;
nouveau_register_dsm_handler();
return drm_init(&driver);
}
static void __exit nouveau_exit(void)
{
if (!nouveau_modeset)
return;
drm_exit(&driver);
nouveau_unregister_dsm_handler();
}
module_init(nouveau_init);
module_exit(nouveau_exit);
MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL and additional rights");