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path: root/drivers/gpu/drm/i915/intel_fb.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_fb.c')
-rw-r--r--drivers/gpu/drm/i915/intel_fb.c217
1 files changed, 106 insertions, 111 deletions
diff --git a/drivers/gpu/drm/i915/intel_fb.c b/drivers/gpu/drm/i915/intel_fb.c
index 8a0b3bcdc7b1..6f53cf7fbc50 100644
--- a/drivers/gpu/drm/i915/intel_fb.c
+++ b/drivers/gpu/drm/i915/intel_fb.c
@@ -44,9 +44,10 @@
#include "i915_drm.h"
#include "i915_drv.h"
-struct intelfb_par {
+struct intel_fbdev {
struct drm_fb_helper helper;
- struct intel_framebuffer *intel_fb;
+ struct intel_framebuffer ifb;
+ struct list_head fbdev_list;
struct drm_display_mode *our_mode;
};
@@ -54,7 +55,6 @@ static struct fb_ops intelfb_ops = {
.owner = THIS_MODULE,
.fb_check_var = drm_fb_helper_check_var,
.fb_set_par = drm_fb_helper_set_par,
- .fb_setcolreg = drm_fb_helper_setcolreg,
.fb_fillrect = cfb_fillrect,
.fb_copyarea = cfb_copyarea,
.fb_imageblit = cfb_imageblit,
@@ -63,62 +63,12 @@ static struct fb_ops intelfb_ops = {
.fb_setcmap = drm_fb_helper_setcmap,
};
-static struct drm_fb_helper_funcs intel_fb_helper_funcs = {
- .gamma_set = intel_crtc_fb_gamma_set,
- .gamma_get = intel_crtc_fb_gamma_get,
-};
-
-
-/**
- * Currently it is assumed that the old framebuffer is reused.
- *
- * LOCKING
- * caller should hold the mode config lock.
- *
- */
-int intelfb_resize(struct drm_device *dev, struct drm_crtc *crtc)
-{
- struct fb_info *info;
- struct drm_framebuffer *fb;
- struct drm_display_mode *mode = crtc->desired_mode;
-
- fb = crtc->fb;
- if (!fb)
- return 1;
-
- info = fb->fbdev;
- if (!info)
- return 1;
-
- if (!mode)
- return 1;
-
- info->var.xres = mode->hdisplay;
- info->var.right_margin = mode->hsync_start - mode->hdisplay;
- info->var.hsync_len = mode->hsync_end - mode->hsync_start;
- info->var.left_margin = mode->htotal - mode->hsync_end;
- info->var.yres = mode->vdisplay;
- info->var.lower_margin = mode->vsync_start - mode->vdisplay;
- info->var.vsync_len = mode->vsync_end - mode->vsync_start;
- info->var.upper_margin = mode->vtotal - mode->vsync_end;
- info->var.pixclock = 10000000 / mode->htotal * 1000 / mode->vtotal * 100;
- /* avoid overflow */
- info->var.pixclock = info->var.pixclock * 1000 / mode->vrefresh;
-
- return 0;
-}
-EXPORT_SYMBOL(intelfb_resize);
-
-static int intelfb_create(struct drm_device *dev, uint32_t fb_width,
- uint32_t fb_height, uint32_t surface_width,
- uint32_t surface_height,
- uint32_t surface_depth, uint32_t surface_bpp,
- struct drm_framebuffer **fb_p)
+static int intelfb_create(struct intel_fbdev *ifbdev,
+ struct drm_fb_helper_surface_size *sizes)
{
+ struct drm_device *dev = ifbdev->helper.dev;
struct fb_info *info;
- struct intelfb_par *par;
struct drm_framebuffer *fb;
- struct intel_framebuffer *intel_fb;
struct drm_mode_fb_cmd mode_cmd;
struct drm_gem_object *fbo = NULL;
struct drm_i915_gem_object *obj_priv;
@@ -126,19 +76,19 @@ static int intelfb_create(struct drm_device *dev, uint32_t fb_width,
int size, ret, mmio_bar = IS_I9XX(dev) ? 0 : 1;
/* we don't do packed 24bpp */
- if (surface_bpp == 24)
- surface_bpp = 32;
+ if (sizes->surface_bpp == 24)
+ sizes->surface_bpp = 32;
- mode_cmd.width = surface_width;
- mode_cmd.height = surface_height;
+ mode_cmd.width = sizes->surface_width;
+ mode_cmd.height = sizes->surface_height;
- mode_cmd.bpp = surface_bpp;
+ mode_cmd.bpp = sizes->surface_bpp;
mode_cmd.pitch = ALIGN(mode_cmd.width * ((mode_cmd.bpp + 1) / 8), 64);
- mode_cmd.depth = surface_depth;
+ mode_cmd.depth = sizes->surface_depth;
size = mode_cmd.pitch * mode_cmd.height;
size = ALIGN(size, PAGE_SIZE);
- fbo = drm_gem_object_alloc(dev, size);
+ fbo = i915_gem_alloc_object(dev, size);
if (!fbo) {
DRM_ERROR("failed to allocate framebuffer\n");
ret = -ENOMEM;
@@ -157,45 +107,37 @@ static int intelfb_create(struct drm_device *dev, uint32_t fb_width,
/* Flush everything out, we'll be doing GTT only from now on */
i915_gem_object_set_to_gtt_domain(fbo, 1);
- ret = intel_framebuffer_create(dev, &mode_cmd, &fb, fbo);
- if (ret) {
- DRM_ERROR("failed to allocate fb.\n");
- goto out_unpin;
- }
-
- list_add(&fb->filp_head, &dev->mode_config.fb_kernel_list);
-
- intel_fb = to_intel_framebuffer(fb);
- *fb_p = fb;
-
- info = framebuffer_alloc(sizeof(struct intelfb_par), device);
+ info = framebuffer_alloc(0, device);
if (!info) {
ret = -ENOMEM;
goto out_unpin;
}
- par = info->par;
+ info->par = ifbdev;
- par->helper.funcs = &intel_fb_helper_funcs;
- par->helper.dev = dev;
- ret = drm_fb_helper_init_crtc_count(&par->helper, 2,
- INTELFB_CONN_LIMIT);
- if (ret)
- goto out_unref;
+ intel_framebuffer_init(dev, &ifbdev->ifb, &mode_cmd, fbo);
+
+ fb = &ifbdev->ifb.base;
+
+ ifbdev->helper.fb = fb;
+ ifbdev->helper.fbdev = info;
strcpy(info->fix.id, "inteldrmfb");
info->flags = FBINFO_DEFAULT;
-
info->fbops = &intelfb_ops;
-
/* setup aperture base/size for vesafb takeover */
- info->aperture_base = dev->mode_config.fb_base;
+ info->apertures = alloc_apertures(1);
+ if (!info->apertures) {
+ ret = -ENOMEM;
+ goto out_unpin;
+ }
+ info->apertures->ranges[0].base = dev->mode_config.fb_base;
if (IS_I9XX(dev))
- info->aperture_size = pci_resource_len(dev->pdev, 2);
+ info->apertures->ranges[0].size = pci_resource_len(dev->pdev, 2);
else
- info->aperture_size = pci_resource_len(dev->pdev, 0);
+ info->apertures->ranges[0].size = pci_resource_len(dev->pdev, 0);
info->fix.smem_start = dev->mode_config.fb_base + obj_priv->gtt_offset;
info->fix.smem_len = size;
@@ -208,12 +150,18 @@ static int intelfb_create(struct drm_device *dev, uint32_t fb_width,
ret = -ENOSPC;
goto out_unpin;
}
+
+ ret = fb_alloc_cmap(&info->cmap, 256, 0);
+ if (ret) {
+ ret = -ENOMEM;
+ goto out_unpin;
+ }
info->screen_size = size;
// memset(info->screen_base, 0, size);
drm_fb_helper_fill_fix(info, fb->pitch, fb->depth);
- drm_fb_helper_fill_var(info, fb, fb_width, fb_height);
+ drm_fb_helper_fill_var(info, &ifbdev->helper, sizes->fb_width, sizes->fb_height);
/* FIXME: we really shouldn't expose mmio space at all */
info->fix.mmio_start = pci_resource_start(dev->pdev, mmio_bar);
@@ -225,14 +173,10 @@ static int intelfb_create(struct drm_device *dev, uint32_t fb_width,
info->pixmap.flags = FB_PIXMAP_SYSTEM;
info->pixmap.scan_align = 1;
- fb->fbdev = info;
-
- par->intel_fb = intel_fb;
-
- /* To allow resizeing without swapping buffers */
DRM_DEBUG_KMS("allocated %dx%d fb: 0x%08x, bo %p\n",
- intel_fb->base.width, intel_fb->base.height,
- obj_priv->gtt_offset, fbo);
+ fb->width, fb->height,
+ obj_priv->gtt_offset, fbo);
+
mutex_unlock(&dev->struct_mutex);
vga_switcheroo_client_fb_set(dev->pdev, info);
@@ -247,35 +191,86 @@ out:
return ret;
}
-int intelfb_probe(struct drm_device *dev)
+static int intel_fb_find_or_create_single(struct drm_fb_helper *helper,
+ struct drm_fb_helper_surface_size *sizes)
{
+ struct intel_fbdev *ifbdev = (struct intel_fbdev *)helper;
+ int new_fb = 0;
int ret;
- DRM_DEBUG_KMS("\n");
- ret = drm_fb_helper_single_fb_probe(dev, 32, intelfb_create);
- return ret;
+ if (!helper->fb) {
+ ret = intelfb_create(ifbdev, sizes);
+ if (ret)
+ return ret;
+ new_fb = 1;
+ }
+ return new_fb;
}
-EXPORT_SYMBOL(intelfb_probe);
-int intelfb_remove(struct drm_device *dev, struct drm_framebuffer *fb)
+static struct drm_fb_helper_funcs intel_fb_helper_funcs = {
+ .gamma_set = intel_crtc_fb_gamma_set,
+ .gamma_get = intel_crtc_fb_gamma_get,
+ .fb_probe = intel_fb_find_or_create_single,
+};
+
+int intel_fbdev_destroy(struct drm_device *dev,
+ struct intel_fbdev *ifbdev)
{
struct fb_info *info;
+ struct intel_framebuffer *ifb = &ifbdev->ifb;
- if (!fb)
- return -EINVAL;
-
- info = fb->fbdev;
-
- if (info) {
- struct intelfb_par *par = info->par;
+ if (ifbdev->helper.fbdev) {
+ info = ifbdev->helper.fbdev;
unregister_framebuffer(info);
iounmap(info->screen_base);
- if (info->par)
- drm_fb_helper_free(&par->helper);
+ if (info->cmap.len)
+ fb_dealloc_cmap(&info->cmap);
framebuffer_release(info);
}
+ drm_fb_helper_fini(&ifbdev->helper);
+
+ drm_framebuffer_cleanup(&ifb->base);
+ if (ifb->obj)
+ drm_gem_object_unreference_unlocked(ifb->obj);
+
+ return 0;
+}
+
+int intel_fbdev_init(struct drm_device *dev)
+{
+ struct intel_fbdev *ifbdev;
+ drm_i915_private_t *dev_priv = dev->dev_private;
+
+ ifbdev = kzalloc(sizeof(struct intel_fbdev), GFP_KERNEL);
+ if (!ifbdev)
+ return -ENOMEM;
+
+ dev_priv->fbdev = ifbdev;
+ ifbdev->helper.funcs = &intel_fb_helper_funcs;
+
+ drm_fb_helper_init(dev, &ifbdev->helper, 2,
+ INTELFB_CONN_LIMIT);
+
+ drm_fb_helper_single_add_all_connectors(&ifbdev->helper);
+ drm_fb_helper_initial_config(&ifbdev->helper, 32);
return 0;
}
-EXPORT_SYMBOL(intelfb_remove);
+
+void intel_fbdev_fini(struct drm_device *dev)
+{
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ if (!dev_priv->fbdev)
+ return;
+
+ intel_fbdev_destroy(dev, dev_priv->fbdev);
+ kfree(dev_priv->fbdev);
+ dev_priv->fbdev = NULL;
+}
MODULE_LICENSE("GPL and additional rights");
+
+void intel_fb_output_poll_changed(struct drm_device *dev)
+{
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ drm_fb_helper_hotplug_event(&dev_priv->fbdev->helper);
+}