* We can ditch the adjusted_mode.crtc_clock check as soon
* as Haswell has gained clock readout/fastboot support.
*
-- * We can ditch the crtc->fb check as soon as we can
++ * We can ditch the crtc->primary->fb check as soon as we can
* properly reconstruct framebuffers.
*/
- return intel_crtc->active && crtc->fb &&
+ return intel_crtc->active && crtc->primary->fb &&
intel_crtc->config.adjusted_mode.crtc_clock;
}
}
}
- static int i9xx_update_plane(struct drm_crtc *crtc, struct drm_framebuffer *fb,
- int x, int y)
+ int intel_format_to_fourcc(int format)
+ {
+ switch (format) {
+ case DISPPLANE_8BPP:
+ return DRM_FORMAT_C8;
+ case DISPPLANE_BGRX555:
+ return DRM_FORMAT_XRGB1555;
+ case DISPPLANE_BGRX565:
+ return DRM_FORMAT_RGB565;
+ default:
+ case DISPPLANE_BGRX888:
+ return DRM_FORMAT_XRGB8888;
+ case DISPPLANE_RGBX888:
+ return DRM_FORMAT_XBGR8888;
+ case DISPPLANE_BGRX101010:
+ return DRM_FORMAT_XRGB2101010;
+ case DISPPLANE_RGBX101010:
+ return DRM_FORMAT_XBGR2101010;
+ }
+ }
+
+ static bool intel_alloc_plane_obj(struct intel_crtc *crtc,
+ struct intel_plane_config *plane_config)
+ {
+ struct drm_device *dev = crtc->base.dev;
+ struct drm_i915_gem_object *obj = NULL;
+ struct drm_mode_fb_cmd2 mode_cmd = { 0 };
+ u32 base = plane_config->base;
+
+ if (plane_config->size == 0)
+ return false;
+
+ obj = i915_gem_object_create_stolen_for_preallocated(dev, base, base,
+ plane_config->size);
+ if (!obj)
+ return false;
+
+ if (plane_config->tiled) {
+ obj->tiling_mode = I915_TILING_X;
- obj->stride = crtc->base.fb->pitches[0];
++ obj->stride = crtc->base.primary->fb->pitches[0];
+ }
+
- mode_cmd.pixel_format = crtc->base.fb->pixel_format;
- mode_cmd.width = crtc->base.fb->width;
- mode_cmd.height = crtc->base.fb->height;
- mode_cmd.pitches[0] = crtc->base.fb->pitches[0];
++ mode_cmd.pixel_format = crtc->base.primary->fb->pixel_format;
++ mode_cmd.width = crtc->base.primary->fb->width;
++ mode_cmd.height = crtc->base.primary->fb->height;
++ mode_cmd.pitches[0] = crtc->base.primary->fb->pitches[0];
+
+ mutex_lock(&dev->struct_mutex);
+
- if (intel_framebuffer_init(dev, to_intel_framebuffer(crtc->base.fb),
++ if (intel_framebuffer_init(dev, to_intel_framebuffer(crtc->base.primary->fb),
+ &mode_cmd, obj)) {
+ DRM_DEBUG_KMS("intel fb init failed\n");
+ goto out_unref_obj;
+ }
+
+ mutex_unlock(&dev->struct_mutex);
+
+ DRM_DEBUG_KMS("plane fb obj %p\n", obj);
+ return true;
+
+ out_unref_obj:
+ drm_gem_object_unreference(&obj->base);
+ mutex_unlock(&dev->struct_mutex);
+ return false;
+ }
+
+ static void intel_find_plane_obj(struct intel_crtc *intel_crtc,
+ struct intel_plane_config *plane_config)
+ {
+ struct drm_device *dev = intel_crtc->base.dev;
+ struct drm_crtc *c;
+ struct intel_crtc *i;
+ struct intel_framebuffer *fb;
+
- if (!intel_crtc->base.fb)
++ if (!intel_crtc->base.primary->fb)
+ return;
+
+ if (intel_alloc_plane_obj(intel_crtc, plane_config))
+ return;
+
- kfree(intel_crtc->base.fb);
- intel_crtc->base.fb = NULL;
++ kfree(intel_crtc->base.primary->fb);
++ intel_crtc->base.primary->fb = NULL;
+
+ /*
+ * Failed to alloc the obj, check to see if we should share
+ * an fb with another CRTC instead
+ */
+ list_for_each_entry(c, &dev->mode_config.crtc_list, head) {
+ i = to_intel_crtc(c);
+
+ if (c == &intel_crtc->base)
+ continue;
+
- if (!i->active || !c->fb)
++ if (!i->active || !c->primary->fb)
+ continue;
+
- fb = to_intel_framebuffer(c->fb);
++ fb = to_intel_framebuffer(c->primary->fb);
+ if (i915_gem_obj_ggtt_offset(fb->obj) == plane_config->base) {
- drm_framebuffer_reference(c->fb);
- intel_crtc->base.fb = c->fb;
++ drm_framebuffer_reference(c->primary->fb);
++ intel_crtc->base.primary->fb = c->primary->fb;
+ break;
+ }
+ }
+ }
+
+ static int i9xx_update_primary_plane(struct drm_crtc *crtc,
+ struct drm_framebuffer *fb,
+ int x, int y)
{
struct drm_device *dev = crtc->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
/*
* FIXME: Once we have proper support for primary planes (and
* disabling them without disabling the entire crtc) allow again
-- * a NULL crtc->fb.
++ * a NULL crtc->primary->fb.
*/
- if (intel_crtc->active && crtc->fb)
+ if (intel_crtc->active && crtc->primary->fb)
- dev_priv->display.update_plane(crtc, crtc->primary->fb,
- crtc->x, crtc->y);
+ dev_priv->display.update_primary_plane(crtc,
- crtc->fb,
++ crtc->primary->fb,
+ crtc->x,
+ crtc->y);
mutex_unlock(&crtc->mutex);
}
}
pipe_config->port_clock = clock.dot / 5;
}
- crtc->base.fb = kzalloc(sizeof(struct intel_framebuffer), GFP_KERNEL);
- if (!crtc->base.fb) {
+ static void i9xx_get_plane_config(struct intel_crtc *crtc,
+ struct intel_plane_config *plane_config)
+ {
+ struct drm_device *dev = crtc->base.dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ u32 val, base, offset;
+ int pipe = crtc->pipe, plane = crtc->plane;
+ int fourcc, pixel_format;
+ int aligned_height;
+
- crtc->base.fb->pixel_format = fourcc;
- crtc->base.fb->bits_per_pixel =
++ crtc->base.primary->fb = kzalloc(sizeof(struct intel_framebuffer), GFP_KERNEL);
++ if (!crtc->base.primary->fb) {
+ DRM_DEBUG_KMS("failed to alloc fb\n");
+ return;
+ }
+
+ val = I915_READ(DSPCNTR(plane));
+
+ if (INTEL_INFO(dev)->gen >= 4)
+ if (val & DISPPLANE_TILED)
+ plane_config->tiled = true;
+
+ pixel_format = val & DISPPLANE_PIXFORMAT_MASK;
+ fourcc = intel_format_to_fourcc(pixel_format);
- crtc->base.fb->width = ((val >> 16) & 0xfff) + 1;
- crtc->base.fb->height = ((val >> 0) & 0xfff) + 1;
++ crtc->base.primary->fb->pixel_format = fourcc;
++ crtc->base.primary->fb->bits_per_pixel =
+ drm_format_plane_cpp(fourcc, 0) * 8;
+
+ if (INTEL_INFO(dev)->gen >= 4) {
+ if (plane_config->tiled)
+ offset = I915_READ(DSPTILEOFF(plane));
+ else
+ offset = I915_READ(DSPLINOFF(plane));
+ base = I915_READ(DSPSURF(plane)) & 0xfffff000;
+ } else {
+ base = I915_READ(DSPADDR(plane));
+ }
+ plane_config->base = base;
+
+ val = I915_READ(PIPESRC(pipe));
- crtc->base.fb->pitches[0] = val & 0xffffff80;
++ crtc->base.primary->fb->width = ((val >> 16) & 0xfff) + 1;
++ crtc->base.primary->fb->height = ((val >> 0) & 0xfff) + 1;
+
+ val = I915_READ(DSPSTRIDE(pipe));
- aligned_height = intel_align_height(dev, crtc->base.fb->height,
++ crtc->base.primary->fb->pitches[0] = val & 0xffffff80;
+
- plane_config->size = ALIGN(crtc->base.fb->pitches[0] *
++ aligned_height = intel_align_height(dev, crtc->base.primary->fb->height,
+ plane_config->tiled);
+
- pipe, plane, crtc->base.fb->width,
- crtc->base.fb->height,
- crtc->base.fb->bits_per_pixel, base,
- crtc->base.fb->pitches[0],
++ plane_config->size = ALIGN(crtc->base.primary->fb->pitches[0] *
+ aligned_height, PAGE_SIZE);
+
+ DRM_DEBUG_KMS("pipe/plane %d/%d with fb: size=%dx%d@%d, offset=%x, pitch %d, size 0x%x\n",
++ pipe, plane, crtc->base.primary->fb->width,
++ crtc->base.primary->fb->height,
++ crtc->base.primary->fb->bits_per_pixel, base,
++ crtc->base.primary->fb->pitches[0],
+ plane_config->size);
+
+ }
+
static bool i9xx_get_pipe_config(struct intel_crtc *crtc,
struct intel_crtc_config *pipe_config)
{
}
}
- crtc->base.fb = kzalloc(sizeof(struct intel_framebuffer), GFP_KERNEL);
- if (!crtc->base.fb) {
+ static void ironlake_get_plane_config(struct intel_crtc *crtc,
+ struct intel_plane_config *plane_config)
+ {
+ struct drm_device *dev = crtc->base.dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ u32 val, base, offset;
+ int pipe = crtc->pipe, plane = crtc->plane;
+ int fourcc, pixel_format;
+ int aligned_height;
+
- crtc->base.fb->pixel_format = fourcc;
- crtc->base.fb->bits_per_pixel =
++ crtc->base.primary->fb = kzalloc(sizeof(struct intel_framebuffer), GFP_KERNEL);
++ if (!crtc->base.primary->fb) {
+ DRM_DEBUG_KMS("failed to alloc fb\n");
+ return;
+ }
+
+ val = I915_READ(DSPCNTR(plane));
+
+ if (INTEL_INFO(dev)->gen >= 4)
+ if (val & DISPPLANE_TILED)
+ plane_config->tiled = true;
+
+ pixel_format = val & DISPPLANE_PIXFORMAT_MASK;
+ fourcc = intel_format_to_fourcc(pixel_format);
- crtc->base.fb->width = ((val >> 16) & 0xfff) + 1;
- crtc->base.fb->height = ((val >> 0) & 0xfff) + 1;
++ crtc->base.primary->fb->pixel_format = fourcc;
++ crtc->base.primary->fb->bits_per_pixel =
+ drm_format_plane_cpp(fourcc, 0) * 8;
+
+ base = I915_READ(DSPSURF(plane)) & 0xfffff000;
+ if (IS_HASWELL(dev) || IS_BROADWELL(dev)) {
+ offset = I915_READ(DSPOFFSET(plane));
+ } else {
+ if (plane_config->tiled)
+ offset = I915_READ(DSPTILEOFF(plane));
+ else
+ offset = I915_READ(DSPLINOFF(plane));
+ }
+ plane_config->base = base;
+
+ val = I915_READ(PIPESRC(pipe));
- crtc->base.fb->pitches[0] = val & 0xffffff80;
++ crtc->base.primary->fb->width = ((val >> 16) & 0xfff) + 1;
++ crtc->base.primary->fb->height = ((val >> 0) & 0xfff) + 1;
+
+ val = I915_READ(DSPSTRIDE(pipe));
- aligned_height = intel_align_height(dev, crtc->base.fb->height,
++ crtc->base.primary->fb->pitches[0] = val & 0xffffff80;
+
- plane_config->size = ALIGN(crtc->base.fb->pitches[0] *
++ aligned_height = intel_align_height(dev, crtc->base.primary->fb->height,
+ plane_config->tiled);
+
- pipe, plane, crtc->base.fb->width,
- crtc->base.fb->height,
- crtc->base.fb->bits_per_pixel, base,
- crtc->base.fb->pitches[0],
++ plane_config->size = ALIGN(crtc->base.primary->fb->pitches[0] *
+ aligned_height, PAGE_SIZE);
+
+ DRM_DEBUG_KMS("pipe/plane %d/%d with fb: size=%dx%d@%d, offset=%x, pitch %d, size 0x%x\n",
++ pipe, plane, crtc->base.primary->fb->width,
++ crtc->base.primary->fb->height,
++ crtc->base.primary->fb->bits_per_pixel, base,
++ crtc->base.primary->fb->pitches[0],
+ plane_config->size);
+ }
+
static bool ironlake_get_pipe_config(struct intel_crtc *crtc,
struct intel_crtc_config *pipe_config)
{
intel_modeset_init_hw(dev);
intel_setup_overlay(dev);
- if (!c->fb)
+
+ /*
+ * Make sure any fbs we allocated at startup are properly
+ * pinned & fenced. When we do the allocation it's too early
+ * for this.
+ */
+ mutex_lock(&dev->struct_mutex);
+ list_for_each_entry(c, &dev->mode_config.crtc_list, head) {
- fb = to_intel_framebuffer(c->fb);
++ if (!c->primary->fb)
+ continue;
+
- drm_framebuffer_unreference(c->fb);
- c->fb = NULL;
++ fb = to_intel_framebuffer(c->primary->fb);
+ if (intel_pin_and_fence_fb_obj(dev, fb->obj, NULL)) {
+ DRM_ERROR("failed to pin boot fb on pipe %d\n",
+ to_intel_crtc(c)->pipe);
++ drm_framebuffer_unreference(c->primary->fb);
++ c->primary->fb = NULL;
+ }
+ }
+ mutex_unlock(&dev->struct_mutex);
}
void intel_connector_unregister(struct intel_connector *intel_connector)
drm_framebuffer_remove(&ifbdev->fb->base);
}
- if (!intel_crtc->active || !crtc->fb) {
+ /*
+ * Build an intel_fbdev struct using a BIOS allocated framebuffer, if possible.
+ * The core display code will have read out the current plane configuration,
+ * so we use that to figure out if there's an object for us to use as the
+ * fb, and if so, we re-use it for the fbdev configuration.
+ *
+ * Note we only support a single fb shared across pipes for boot (mostly for
+ * fbcon), so we just find the biggest and use that.
+ */
+ static bool intel_fbdev_init_bios(struct drm_device *dev,
+ struct intel_fbdev *ifbdev)
+ {
+ struct intel_framebuffer *fb = NULL;
+ struct drm_crtc *crtc;
+ struct intel_crtc *intel_crtc;
+ struct intel_plane_config *plane_config = NULL;
+ unsigned int max_size = 0;
+
+ if (!i915.fastboot)
+ return false;
+
+ /* Find the largest fb */
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+ intel_crtc = to_intel_crtc(crtc);
+
- fb = to_intel_framebuffer(crtc->fb);
++ if (!intel_crtc->active || !crtc->primary->fb) {
+ DRM_DEBUG_KMS("pipe %c not active or no fb, skipping\n",
+ pipe_name(intel_crtc->pipe));
+ continue;
+ }
+
+ if (intel_crtc->plane_config.size > max_size) {
+ DRM_DEBUG_KMS("found possible fb from plane %c\n",
+ pipe_name(intel_crtc->pipe));
+ plane_config = &intel_crtc->plane_config;
- WARN(!crtc->fb,
++ fb = to_intel_framebuffer(crtc->primary->fb);
+ max_size = plane_config->size;
+ }
+ }
+
+ if (!fb) {
+ DRM_DEBUG_KMS("no active fbs found, not using BIOS config\n");
+ goto out;
+ }
+
+ /* Now make sure all the pipes will fit into it */
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+ unsigned int cur_size;
+
+ intel_crtc = to_intel_crtc(crtc);
+
+ if (!intel_crtc->active) {
+ DRM_DEBUG_KMS("pipe %c not active, skipping\n",
+ pipe_name(intel_crtc->pipe));
+ continue;
+ }
+
+ DRM_DEBUG_KMS("checking plane %c for BIOS fb\n",
+ pipe_name(intel_crtc->pipe));
+
+ /*
+ * See if the plane fb we found above will fit on this
+ * pipe. Note we need to use the selected fb's bpp rather
+ * than the current pipe's, since they could be different.
+ */
+ cur_size = intel_crtc->config.adjusted_mode.crtc_hdisplay *
+ intel_crtc->config.adjusted_mode.crtc_vdisplay;
+ DRM_DEBUG_KMS("pipe %c area: %d\n", pipe_name(intel_crtc->pipe),
+ cur_size);
+ cur_size *= fb->base.bits_per_pixel / 8;
+ DRM_DEBUG_KMS("total size %d (bpp %d)\n", cur_size,
+ fb->base.bits_per_pixel / 8);
+
+ if (cur_size > max_size) {
+ DRM_DEBUG_KMS("fb not big enough for plane %c (%d vs %d)\n",
+ pipe_name(intel_crtc->pipe),
+ cur_size, max_size);
+ plane_config = NULL;
+ fb = NULL;
+ break;
+ }
+
+ DRM_DEBUG_KMS("fb big enough for plane %c (%d >= %d)\n",
+ pipe_name(intel_crtc->pipe),
+ max_size, cur_size);
+ }
+
+ if (!fb) {
+ DRM_DEBUG_KMS("BIOS fb not suitable for all pipes, not using\n");
+ goto out;
+ }
+
+ ifbdev->preferred_bpp = fb->base.bits_per_pixel;
+ ifbdev->fb = fb;
+
+ drm_framebuffer_reference(&ifbdev->fb->base);
+
+ /* Final pass to check if any active pipes don't have fbs */
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+ intel_crtc = to_intel_crtc(crtc);
+
+ if (!intel_crtc->active)
+ continue;
+
++ WARN(!crtc->primary->fb,
+ "re-used BIOS config but lost an fb on crtc %d\n",
+ crtc->base.id);
+ }
+
+
+ DRM_DEBUG_KMS("using BIOS fb for initial console\n");
+ return true;
+
+ out:
+
+ return false;
+ }
+
int intel_fbdev_init(struct drm_device *dev)
{
struct intel_fbdev *ifbdev;
projects / users / willy / pagecache.git / commitdiff