drm/nve0: initial modesetting support for kepler chipsets

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h
index 211d800..3aef353 100644 (file)
--- a/drivers/gpu/drm/nouveau/nouveau_drv.h
+++ b/drivers/gpu/drm/nouveau/nouveau_drv.h
@@ -701,6 +701,7 @@ enum nouveau_card_type {
        NV_50      = 0x50,
        NV_C0      = 0xc0,
        NV_D0      = 0xd0,
+       NV_E0      = 0xe0,
 };
 
 struct drm_nouveau_private {

diff --git a/drivers/gpu/drm/nouveau/nouveau_state.c b/drivers/gpu/drm/nouveau/nouveau_state.c
index 6476cf6..a3ae91f 100644 (file)
--- a/drivers/gpu/drm/nouveau/nouveau_state.c
+++ b/drivers/gpu/drm/nouveau/nouveau_state.c
@@ -479,6 +479,47 @@ static int nouveau_init_engine_ptrs(struct drm_device *dev)
                engine->pm.voltage_get          = nouveau_voltage_gpio_get;
                engine->pm.voltage_set          = nouveau_voltage_gpio_set;
                break;
+       case 0xe0:
+               engine->instmem.init            = nvc0_instmem_init;
+               engine->instmem.takedown        = nvc0_instmem_takedown;
+               engine->instmem.suspend         = nvc0_instmem_suspend;
+               engine->instmem.resume          = nvc0_instmem_resume;
+               engine->instmem.get             = nv50_instmem_get;
+               engine->instmem.put             = nv50_instmem_put;
+               engine->instmem.map             = nv50_instmem_map;
+               engine->instmem.unmap           = nv50_instmem_unmap;
+               engine->instmem.flush           = nv84_instmem_flush;
+               engine->mc.init                 = nv50_mc_init;
+               engine->mc.takedown             = nv50_mc_takedown;
+               engine->timer.init              = nv04_timer_init;
+               engine->timer.read              = nv04_timer_read;
+               engine->timer.takedown          = nv04_timer_takedown;
+               engine->fb.init                 = nvc0_fb_init;
+               engine->fb.takedown             = nvc0_fb_takedown;
+               engine->fifo.channels           = 0;
+               engine->fifo.init               = nouveau_stub_init;
+               engine->fifo.takedown           = nouveau_stub_takedown;
+               engine->fifo.disable            = nvc0_fifo_disable;
+               engine->fifo.enable             = nvc0_fifo_enable;
+               engine->fifo.reassign           = nvc0_fifo_reassign;
+               engine->fifo.unload_context     = nouveau_stub_init;
+               engine->display.early_init      = nouveau_stub_init;
+               engine->display.late_takedown   = nouveau_stub_takedown;
+               engine->display.create          = nvd0_display_create;
+               engine->display.destroy         = nvd0_display_destroy;
+               engine->display.init            = nvd0_display_init;
+               engine->display.fini            = nvd0_display_fini;
+               engine->gpio.init               = nv50_gpio_init;
+               engine->gpio.fini               = nv50_gpio_fini;
+               engine->gpio.drive              = nvd0_gpio_drive;
+               engine->gpio.sense              = nvd0_gpio_sense;
+               engine->gpio.irq_enable         = nv50_gpio_irq_enable;
+               engine->vram.init               = nvc0_vram_init;
+               engine->vram.takedown           = nv50_vram_fini;
+               engine->vram.get                = nvc0_vram_new;
+               engine->vram.put                = nv50_vram_del;
+               engine->vram.flags_valid        = nvc0_vram_flags_valid;
+               break;
        default:
                NV_ERROR(dev, "NV%02x unsupported\n", dev_priv->chipset);
                return 1;
@@ -1056,8 +1097,8 @@ static int nouveau_remove_conflicting_drivers(struct drm_device *dev)
 int nouveau_load(struct drm_device *dev, unsigned long flags)
 {
        struct drm_nouveau_private *dev_priv;
+       unsigned long long offset, length;
        uint32_t reg0 = ~0, strap;
-       resource_size_t mmio_start_offs;
        int ret;
 
        dev_priv = kzalloc(sizeof(*dev_priv), GFP_KERNEL);
@@ -1111,6 +1152,9 @@ int nouveau_load(struct drm_device *dev, unsigned long flags)
                        case 0xd0:
                                dev_priv->card_type = NV_D0;
                                break;
+                       case 0xe0:
+                               dev_priv->card_type = NV_E0;
+                               break;
                        default:
                                break;
                        }
@@ -1135,17 +1179,20 @@ int nouveau_load(struct drm_device *dev, unsigned long flags)
        NV_INFO(dev, "Detected an NV%2x generation card (0x%08x)\n",
                     dev_priv->card_type, reg0);
 
-       /* map the mmio regs */
-       mmio_start_offs = pci_resource_start(dev->pdev, 0);
-       dev_priv->mmio = ioremap(mmio_start_offs, 0x00800000);
+       /* map the mmio regs, limiting the amount to preserve vmap space */
+       offset = pci_resource_start(dev->pdev, 0);
+       length = pci_resource_len(dev->pdev, 0);
+       if (dev_priv->card_type < NV_E0)
+               length = min(length, (unsigned long long)0x00800000);
+
+       dev_priv->mmio = ioremap(offset, length);
        if (!dev_priv->mmio) {
                NV_ERROR(dev, "Unable to initialize the mmio mapping. "
                         "Please report your setup to " DRIVER_EMAIL "\n");
                ret = -EINVAL;
                goto err_priv;
        }
-       NV_DEBUG(dev, "regs mapped ok at 0x%llx\n",
-                                       (unsigned long long)mmio_start_offs);
+       NV_DEBUG(dev, "regs mapped ok at 0x%llx\n", offset);
 
        /* determine frequency of timing crystal */
        strap = nv_rd32(dev, 0x101000);
@@ -1203,7 +1250,7 @@ int nouveau_load(struct drm_device *dev, unsigned long flags)
                }
        } else {
                dev_priv->ramin_size = 1 * 1024 * 1024;
-               dev_priv->ramin = ioremap(mmio_start_offs + NV_RAMIN,
+               dev_priv->ramin = ioremap(offset + NV_RAMIN,
                                          dev_priv->ramin_size);
                if (!dev_priv->ramin) {
                        NV_ERROR(dev, "Failed to map BAR0 PRAMIN.\n");