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Diffstat (limited to 'linux-core/intel_fb.c')
-rw-r--r--linux-core/intel_fb.c166
1 files changed, 134 insertions, 32 deletions
diff --git a/linux-core/intel_fb.c b/linux-core/intel_fb.c
index 5637ea2f..bc056bc3 100644
--- a/linux-core/intel_fb.c
+++ b/linux-core/intel_fb.c
@@ -525,6 +525,92 @@ static int intelfb_pan_display(struct fb_var_screeninfo *var,
return ret;
}
+static void intelfb_on(struct fb_info *info)
+{
+ struct intelfb_par *par = info->par;
+ struct drm_device *dev = par->dev;
+ struct drm_crtc *crtc;
+ struct drm_encoder *encoder;
+ int i;
+
+ /*
+ * For each CRTC in this fb, find all associated encoders
+ * and turn them off, then turn off the CRTC.
+ */
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+ struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
+
+ for (i = 0; i < par->crtc_count; i++)
+ if (crtc->base.id == par->crtc_ids[i])
+ break;
+
+ crtc_funcs->dpms(crtc, DPMSModeOn);
+
+ /* Found a CRTC on this fb, now find encoders */
+ list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
+ if (encoder->crtc == crtc) {
+ struct drm_encoder_helper_funcs *encoder_funcs;
+ encoder_funcs = encoder->helper_private;
+ encoder_funcs->dpms(encoder, DPMSModeOn);
+ }
+ }
+ }
+}
+
+static void intelfb_off(struct fb_info *info, int dpms_mode)
+{
+ struct intelfb_par *par = info->par;
+ struct drm_device *dev = par->dev;
+ struct drm_crtc *crtc;
+ struct drm_encoder *encoder;
+ int i;
+
+ /*
+ * For each CRTC in this fb, find all associated encoders
+ * and turn them off, then turn off the CRTC.
+ */
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+ struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
+
+ for (i = 0; i < par->crtc_count; i++)
+ if (crtc->base.id == par->crtc_ids[i])
+ break;
+
+ /* Found a CRTC on this fb, now find encoders */
+ list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
+ if (encoder->crtc == crtc) {
+ struct drm_encoder_helper_funcs *encoder_funcs;
+ encoder_funcs = encoder->helper_private;
+ encoder_funcs->dpms(encoder, dpms_mode);
+ }
+ }
+ if (dpms_mode == DPMSModeOff)
+ crtc_funcs->dpms(crtc, dpms_mode);
+ }
+}
+
+int intelfb_blank(int blank, struct fb_info *info)
+{
+ switch (blank) {
+ case FB_BLANK_UNBLANK:
+ intelfb_on(info);
+ break;
+ case FB_BLANK_NORMAL:
+ intelfb_off(info, DPMSModeStandby);
+ break;
+ case FB_BLANK_HSYNC_SUSPEND:
+ intelfb_off(info, DPMSModeStandby);
+ break;
+ case FB_BLANK_VSYNC_SUSPEND:
+ intelfb_off(info, DPMSModeSuspend);
+ break;
+ case FB_BLANK_POWERDOWN:
+ intelfb_off(info, DPMSModeOff);
+ break;
+ }
+ return 0;
+}
+
static struct fb_ops intelfb_ops = {
.owner = THIS_MODULE,
//.fb_open = intelfb_open,
@@ -539,6 +625,7 @@ static struct fb_ops intelfb_ops = {
.fb_copyarea = cfb_copyarea, //intelfb_copyarea,
.fb_imageblit = cfb_imageblit, //intelfb_imageblit,
.fb_pan_display = intelfb_pan_display,
+ .fb_blank = intelfb_blank,
};
/**
@@ -606,9 +693,10 @@ int intelfb_create(struct drm_device *dev, uint32_t fb_width, uint32_t fb_height
struct drm_framebuffer *fb;
struct intel_framebuffer *intel_fb;
struct drm_mode_fb_cmd mode_cmd;
- struct drm_buffer_object *fbo = NULL;
+ struct drm_gem_object *fbo = NULL;
+ struct drm_i915_gem_object *obj_priv;
struct device *device = &dev->pdev->dev;
- int ret;
+ int size, aligned_size, ret;
mode_cmd.width = surface_width;/* crtc->desired_mode->hdisplay; */
mode_cmd.height = surface_height;/* crtc->desired_mode->vdisplay; */
@@ -617,26 +705,28 @@ int intelfb_create(struct drm_device *dev, uint32_t fb_width, uint32_t fb_height
mode_cmd.pitch = mode_cmd.width * ((mode_cmd.bpp + 1) / 8);
mode_cmd.depth = 24;
- ret = drm_buffer_object_create(dev, mode_cmd.pitch * mode_cmd.height,
- drm_bo_type_kernel,
- DRM_BO_FLAG_READ |
- DRM_BO_FLAG_WRITE |
- DRM_BO_FLAG_MEM_TT |
- DRM_BO_FLAG_MEM_VRAM |
- DRM_BO_FLAG_NO_EVICT,
- DRM_BO_HINT_DONT_FENCE, 0, 0,
- &fbo);
- if (ret || !fbo) {
+ size = mode_cmd.pitch * mode_cmd.height;
+ aligned_size = ALIGN(size, PAGE_SIZE);
+ fbo = drm_gem_object_alloc(dev, aligned_size);
+ if (!fbo) {
printk(KERN_ERR "failed to allocate framebuffer\n");
- return -EINVAL;
+ ret = -ENOMEM;
+ goto out;
+ }
+ obj_priv = fbo->driver_private;
+
+ mutex_lock(&dev->struct_mutex);
+ ret = i915_gem_object_pin(fbo, PAGE_SIZE);
+ if (ret) {
+ DRM_ERROR("failed to pin fb: %d\n", ret);
+ goto out_unref;
}
-
fb = intel_user_framebuffer_create(dev, NULL, &mode_cmd);
if (!fb) {
- drm_bo_usage_deref_unlocked(&fbo);
DRM_ERROR("failed to allocate fb.\n");
- return -EINVAL;
+ ret = -ENOMEM;
+ goto out_unref;
}
list_add(&fb->filp_head, &dev->mode_config.fb_kernel_list);
@@ -644,11 +734,13 @@ int intelfb_create(struct drm_device *dev, uint32_t fb_width, uint32_t fb_height
intel_fb = to_intel_framebuffer(fb);
*intel_fb_p = intel_fb;
- intel_fb->bo = fbo;
+ intel_fb->obj = fbo;
info = framebuffer_alloc(sizeof(struct intelfb_par), device);
- if (!info)
- return -EINVAL;
+ if (!info) {
+ ret = -ENOMEM;
+ goto out_unref;
+ }
par = info->par;
@@ -667,19 +759,20 @@ int intelfb_create(struct drm_device *dev, uint32_t fb_width, uint32_t fb_height
info->fbops = &intelfb_ops;
info->fix.line_length = fb->pitch;
- info->fix.smem_start = intel_fb->bo->offset + dev->mode_config.fb_base;
- info->fix.smem_len = info->fix.line_length * fb->height;
+ info->fix.smem_start = dev->mode_config.fb_base + obj_priv->gtt_offset;
+ info->fix.smem_len = size;
info->flags = FBINFO_DEFAULT;
- ret = drm_bo_kmap(intel_fb->bo, 0, intel_fb->bo->num_pages, &intel_fb->kmap);
- if (ret)
- DRM_ERROR("error mapping fb: %d\n", ret);
-
- info->screen_base = intel_fb->kmap.virtual;
- info->screen_size = info->fix.smem_len; /* FIXME */
+ info->screen_base = ioremap_wc(dev->agp->base + obj_priv->gtt_offset,
+ size);
+ if (!info->screen_base) {
+ ret = -ENOSPC;
+ goto out_unref;
+ }
+ info->screen_size = size;
- memset(intel_fb->kmap.virtual, 0, info->screen_size);
+ memset(info->screen_base, 0, size);
info->pseudo_palette = fb->pseudo_palette;
info->var.xres_virtual = fb->width;
@@ -770,10 +863,17 @@ int intelfb_create(struct drm_device *dev, uint32_t fb_width, uint32_t fb_height
par->dev = dev;
/* To allow resizeing without swapping buffers */
- printk("allocated %dx%d fb: 0x%08lx, bo %p\n", intel_fb->base.width,
- intel_fb->base.height, intel_fb->bo->offset, fbo);
+ printk("allocated %dx%d fb: 0x%08x, bo %p\n", intel_fb->base.width,
+ intel_fb->base.height, obj_priv->gtt_offset, fbo);
+ mutex_unlock(&dev->struct_mutex);
return 0;
+
+out_unref:
+ drm_gem_object_unreference(fbo);
+ mutex_unlock(&dev->struct_mutex);
+out:
+ return ret;
}
static int intelfb_multi_fb_probe_crtc(struct drm_device *dev, struct drm_crtc *crtc)
@@ -1029,8 +1129,10 @@ int intelfb_remove(struct drm_device *dev, struct drm_framebuffer *fb)
if (info) {
unregister_framebuffer(info);
- drm_bo_kunmap(&intel_fb->kmap);
- drm_bo_usage_deref_unlocked(&intel_fb->bo);
+ iounmap(info->screen_base);
+ mutex_lock(&dev->struct_mutex);
+ drm_gem_object_unreference(intel_fb->obj);
+ mutex_unlock(&dev->struct_mutex);
framebuffer_release(info);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-29 00:54:18 +0000