diff options
Diffstat (limited to 'drivers/gpu/drm/gma500/framebuffer.c')
| -rw-r--r-- | drivers/gpu/drm/gma500/framebuffer.c | 57 |
1 files changed, 38 insertions, 19 deletions
diff --git a/drivers/gpu/drm/gma500/framebuffer.c b/drivers/gpu/drm/gma500/framebuffer.c index 8ea202f1ba50..5732b5702e1c 100644 --- a/drivers/gpu/drm/gma500/framebuffer.c +++ b/drivers/gpu/drm/gma500/framebuffer.c @@ -153,7 +153,7 @@ static void psbfb_vm_close(struct vm_area_struct *vma) { } -static struct vm_operations_struct psbfb_vm_ops = { +static const struct vm_operations_struct psbfb_vm_ops = { .fault = psbfb_vm_fault, .open = psbfb_vm_open, .close = psbfb_vm_close @@ -408,6 +408,8 @@ static int psbfb_create(struct psb_fbdev *fbdev, return -ENOMEM; } + memset(dev_priv->vram_addr + backing->offset, 0, size); + mutex_lock(&dev->struct_mutex); info = framebuffer_alloc(0, device); @@ -453,8 +455,7 @@ static int psbfb_create(struct psb_fbdev *fbdev, info->fix.ypanstep = 0; /* Accessed stolen memory directly */ - info->screen_base = (char *)dev_priv->vram_addr + - backing->offset; + info->screen_base = dev_priv->vram_addr + backing->offset; info->screen_size = size; if (dev_priv->gtt.stolen_size) { @@ -475,7 +476,7 @@ static int psbfb_create(struct psb_fbdev *fbdev, /* Use default scratch pixmap (info->pixmap.flags = FB_PIXMAP_SYSTEM) */ - dev_info(dev->dev, "allocated %dx%d fb\n", + dev_dbg(dev->dev, "allocated %dx%d fb\n", psbfb->base.width, psbfb->base.height); mutex_unlock(&dev->struct_mutex); @@ -543,9 +544,25 @@ static int psbfb_probe(struct drm_fb_helper *helper, struct drm_fb_helper_surface_size *sizes) { struct psb_fbdev *psb_fbdev = (struct psb_fbdev *)helper; + struct drm_device *dev = psb_fbdev->psb_fb_helper.dev; + struct drm_psb_private *dev_priv = dev->dev_private; int new_fb = 0; + int bytespp; int ret; + bytespp = sizes->surface_bpp / 8; + if (bytespp == 3) /* no 24bit packed */ + bytespp = 4; + + /* If the mode will not fit in 32bit then switch to 16bit to get + a console on full resolution. The X mode setting server will + allocate its own 32bit GEM framebuffer */ + if (ALIGN(sizes->fb_width * bytespp, 64) * sizes->fb_height > + dev_priv->vram_stolen_size) { + sizes->surface_bpp = 16; + sizes->surface_depth = 16; + } + if (!helper->fb) { ret = psbfb_create(psb_fbdev, sizes); if (ret) @@ -555,7 +572,7 @@ static int psbfb_probe(struct drm_fb_helper *helper, return new_fb; } -struct drm_fb_helper_funcs psb_fb_helper_funcs = { +static struct drm_fb_helper_funcs psb_fb_helper_funcs = { .gamma_set = psbfb_gamma_set, .gamma_get = psbfb_gamma_get, .fb_probe = psbfb_probe, @@ -732,10 +749,7 @@ static void psb_setup_outputs(struct drm_device *dev) clone_mask = (1 << INTEL_OUTPUT_SDVO); break; case INTEL_OUTPUT_LVDS: - if (IS_MRST(dev)) - crtc_mask = (1 << 0); - else - crtc_mask = (1 << 1); + crtc_mask = dev_priv->ops->lvds_mask; clone_mask = (1 << INTEL_OUTPUT_LVDS); break; case INTEL_OUTPUT_MIPI: @@ -747,10 +761,7 @@ static void psb_setup_outputs(struct drm_device *dev) clone_mask = (1 << INTEL_OUTPUT_MIPI2); break; case INTEL_OUTPUT_HDMI: - if (IS_MFLD(dev)) - crtc_mask = (1 << 1); - else - crtc_mask = (1 << 0); + crtc_mask = dev_priv->ops->hdmi_mask; clone_mask = (1 << INTEL_OUTPUT_HDMI); break; } @@ -771,7 +782,7 @@ void psb_modeset_init(struct drm_device *dev) dev->mode_config.min_width = 0; dev->mode_config.min_height = 0; - dev->mode_config.funcs = (void *) &psb_mode_funcs; + dev->mode_config.funcs = &psb_mode_funcs; /* set memory base */ /* Oaktrail and Poulsbo should use BAR 2*/ @@ -786,15 +797,23 @@ void psb_modeset_init(struct drm_device *dev) dev->mode_config.max_height = 2048; psb_setup_outputs(dev); + + if (dev_priv->ops->errata) + dev_priv->ops->errata(dev); + + dev_priv->modeset = true; } void psb_modeset_cleanup(struct drm_device *dev) { - mutex_lock(&dev->struct_mutex); + struct drm_psb_private *dev_priv = dev->dev_private; + if (dev_priv->modeset) { + mutex_lock(&dev->struct_mutex); - drm_kms_helper_poll_fini(dev); - psb_fbdev_fini(dev); - drm_mode_config_cleanup(dev); + drm_kms_helper_poll_fini(dev); + psb_fbdev_fini(dev); + drm_mode_config_cleanup(dev); - mutex_unlock(&dev->struct_mutex); + mutex_unlock(&dev->struct_mutex); + } } |