Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/ide-2.6

[pandora-kernel.git] / drivers / gpu / drm / radeon / radeon_device.c

diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index 02bcdb1..0c51f8e 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -391,6 +391,12 @@ int radeon_asic_init(struct radeon_device *rdev)
                /* FIXME: not supported yet */
                return -EINVAL;
        }
+
+       if (rdev->flags & RADEON_IS_IGP) {
+               rdev->asic->get_memory_clock = NULL;
+               rdev->asic->set_memory_clock = NULL;
+       }
+
        return 0;
 }
 
@@ -481,6 +487,7 @@ int radeon_atombios_init(struct radeon_device *rdev)
        atom_card_info->pll_write = cail_pll_write;
 
        rdev->mode_info.atom_context = atom_parse(atom_card_info, rdev->bios);
+       mutex_init(&rdev->mode_info.atom_context->mutex);
        radeon_atom_initialize_bios_scratch_regs(rdev->ddev);
        atom_allocate_fb_scratch(rdev->mode_info.atom_context);
        return 0;
@@ -539,9 +546,72 @@ void radeon_agp_disable(struct radeon_device *rdev)
        }
 }
 
-/*
- * Radeon device.
- */
+void radeon_check_arguments(struct radeon_device *rdev)
+{
+       /* vramlimit must be a power of two */
+       switch (radeon_vram_limit) {
+       case 0:
+       case 4:
+       case 8:
+       case 16:
+       case 32:
+       case 64:
+       case 128:
+       case 256:
+       case 512:
+       case 1024:
+       case 2048:
+       case 4096:
+               break;
+       default:
+               dev_warn(rdev->dev, "vram limit (%d) must be a power of 2\n",
+                               radeon_vram_limit);
+               radeon_vram_limit = 0;
+               break;
+       }
+       radeon_vram_limit = radeon_vram_limit << 20;
+       /* gtt size must be power of two and greater or equal to 32M */
+       switch (radeon_gart_size) {
+       case 4:
+       case 8:
+       case 16:
+               dev_warn(rdev->dev, "gart size (%d) too small forcing to 512M\n",
+                               radeon_gart_size);
+               radeon_gart_size = 512;
+               break;
+       case 32:
+       case 64:
+       case 128:
+       case 256:
+       case 512:
+       case 1024:
+       case 2048:
+       case 4096:
+               break;
+       default:
+               dev_warn(rdev->dev, "gart size (%d) must be a power of 2\n",
+                               radeon_gart_size);
+               radeon_gart_size = 512;
+               break;
+       }
+       rdev->mc.gtt_size = radeon_gart_size * 1024 * 1024;
+       /* AGP mode can only be -1, 1, 2, 4, 8 */
+       switch (radeon_agpmode) {
+       case -1:
+       case 0:
+       case 1:
+       case 2:
+       case 4:
+       case 8:
+               break;
+       default:
+               dev_warn(rdev->dev, "invalid AGP mode %d (valid mode: "
+                               "-1, 0, 1, 2, 4, 8)\n", radeon_agpmode);
+               radeon_agpmode = 0;
+               break;
+       }
+}
+
 int radeon_device_init(struct radeon_device *rdev,
                       struct drm_device *ddev,
                       struct pci_dev *pdev,
@@ -580,9 +650,9 @@ int radeon_device_init(struct radeon_device *rdev,
 
        /* Set asic functions */
        r = radeon_asic_init(rdev);
-       if (r) {
+       if (r)
                return r;
-       }
+       radeon_check_arguments(rdev);
 
        if (rdev->flags & RADEON_IS_AGP && radeon_agpmode == -1) {
                radeon_agp_disable(rdev);
@@ -663,16 +733,18 @@ void radeon_device_fini(struct radeon_device *rdev)
  */
 int radeon_suspend_kms(struct drm_device *dev, pm_message_t state)
 {
-       struct radeon_device *rdev = dev->dev_private;
+       struct radeon_device *rdev;
        struct drm_crtc *crtc;
        int r;
 
-       if (dev == NULL || rdev == NULL) {
+       if (dev == NULL || dev->dev_private == NULL) {
                return -ENODEV;
        }
        if (state.event == PM_EVENT_PRETHAW) {
                return 0;
        }
+       rdev = dev->dev_private;
+
        /* unpin the front buffers */
        list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
                struct radeon_framebuffer *rfb = to_radeon_framebuffer(crtc->fb);