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-rw-r--r--drivers/gpu/drm/i915/i915_dma.c2
-rw-r--r--drivers/gpu/drm/i915/i915_drv.h4
-rw-r--r--drivers/gpu/drm/i915/intel_display.c37
-rw-r--r--drivers/gpu/drm/i915/intel_drv.h13
-rw-r--r--drivers/gpu/drm/i915/intel_fb.c175
5 files changed, 110 insertions, 121 deletions
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 8bfc0bb..7c7d229 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -1491,7 +1491,7 @@ static int i915_load_modeset_init(struct drm_device *dev,
I915_WRITE(INSTPM, (1 << 5) | (1 << 21));
- drm_helper_initial_config(dev);
+ intel_fbdev_init(dev);
return 0;
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 979439c..601f354 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -220,6 +220,8 @@ enum no_fbc_reason {
FBC_NOT_TILED, /* buffer not tiled */
};
+struct intel_kernel_fbdev;
+
typedef struct drm_i915_private {
struct drm_device *dev;
@@ -627,6 +629,8 @@ typedef struct drm_i915_private {
u8 max_delay;
enum no_fbc_reason no_fbc_reason;
+
+ struct intel_kernel_fbdev *fbdev;
} drm_i915_private_t;
/** driver private structure attached to each drm_gem_object */
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 9cd6de5..80577b8a3 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -4506,10 +4506,6 @@ static void intel_setup_outputs(struct drm_device *dev)
static void intel_user_framebuffer_destroy(struct drm_framebuffer *fb)
{
struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb);
- struct drm_device *dev = fb->dev;
-
- if (fb->fbdev)
- intelfb_remove(dev, fb);
drm_framebuffer_cleanup(fb);
drm_gem_object_unreference_unlocked(intel_fb->obj);
@@ -4532,18 +4528,13 @@ static const struct drm_framebuffer_funcs intel_fb_funcs = {
.create_handle = intel_user_framebuffer_create_handle,
};
-int intel_framebuffer_create(struct drm_device *dev,
- struct drm_mode_fb_cmd *mode_cmd,
- struct drm_framebuffer **fb,
- struct drm_gem_object *obj)
+int intel_framebuffer_init(struct drm_device *dev,
+ struct intel_framebuffer *intel_fb,
+ struct drm_mode_fb_cmd *mode_cmd,
+ struct drm_gem_object *obj)
{
- struct intel_framebuffer *intel_fb;
int ret;
- intel_fb = kzalloc(sizeof(*intel_fb), GFP_KERNEL);
- if (!intel_fb)
- return -ENOMEM;
-
ret = drm_framebuffer_init(dev, &intel_fb->base, &intel_fb_funcs);
if (ret) {
DRM_ERROR("framebuffer init failed %d\n", ret);
@@ -4551,40 +4542,40 @@ int intel_framebuffer_create(struct drm_device *dev,
}
drm_helper_mode_fill_fb_struct(&intel_fb->base, mode_cmd);
-
intel_fb->obj = obj;
-
- *fb = &intel_fb->base;
-
return 0;
}
-
static struct drm_framebuffer *
intel_user_framebuffer_create(struct drm_device *dev,
struct drm_file *filp,
struct drm_mode_fb_cmd *mode_cmd)
{
struct drm_gem_object *obj;
- struct drm_framebuffer *fb;
+ struct intel_framebuffer *intel_fb;
int ret;
obj = drm_gem_object_lookup(dev, filp, mode_cmd->handle);
if (!obj)
return NULL;
- ret = intel_framebuffer_create(dev, mode_cmd, &fb, obj);
+ intel_fb = kzalloc(sizeof(*intel_fb), GFP_KERNEL);
+ if (!intel_fb)
+ return NULL;
+
+ ret = intel_framebuffer_init(dev, intel_fb,
+ mode_cmd, obj);
if (ret) {
drm_gem_object_unreference_unlocked(obj);
+ kfree(intel_fb);
return NULL;
}
- return fb;
+ return &intel_fb->base;
}
static const struct drm_mode_config_funcs intel_mode_funcs = {
.fb_create = intel_user_framebuffer_create,
- .fb_changed = intelfb_probe,
};
static struct drm_gem_object *
@@ -4924,6 +4915,8 @@ void intel_modeset_cleanup(struct drm_device *dev)
mutex_lock(&dev->struct_mutex);
+ intel_fbdev_fini(dev);
+
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
/* Skip inactive CRTCs */
if (!crtc->fb)
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 3a467ca..9ffb9f2 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -200,9 +200,6 @@ extern void intel_release_load_detect_pipe(struct intel_output *intel_output,
extern struct drm_connector* intel_sdvo_find(struct drm_device *dev, int sdvoB);
extern int intel_sdvo_supports_hotplug(struct drm_connector *connector);
extern void intel_sdvo_set_hotplug(struct drm_connector *connector, int enable);
-extern int intelfb_probe(struct drm_device *dev);
-extern int intelfb_remove(struct drm_device *dev, struct drm_framebuffer *fb);
-extern int intelfb_resize(struct drm_device *dev, struct drm_crtc *crtc);
extern void intelfb_restore(void);
extern void intel_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
u16 blue, int regno);
@@ -212,10 +209,12 @@ extern void intel_init_clock_gating(struct drm_device *dev);
extern void ironlake_enable_drps(struct drm_device *dev);
extern void ironlake_disable_drps(struct drm_device *dev);
-extern int intel_framebuffer_create(struct drm_device *dev,
- struct drm_mode_fb_cmd *mode_cmd,
- struct drm_framebuffer **fb,
- struct drm_gem_object *obj);
+extern int intel_framebuffer_init(struct drm_device *dev,
+ struct intel_framebuffer *ifb,
+ struct drm_mode_fb_cmd *mode_cmd,
+ struct drm_gem_object *obj);
+extern int intel_fbdev_init(struct drm_device *dev);
+extern void intel_fbdev_fini(struct drm_device *dev);
extern void intel_prepare_page_flip(struct drm_device *dev, int plane);
extern void intel_finish_page_flip(struct drm_device *dev, int pipe);
diff --git a/drivers/gpu/drm/i915/intel_fb.c b/drivers/gpu/drm/i915/intel_fb.c
index 8cd791d..b0de9bb 100644
--- a/drivers/gpu/drm/i915/intel_fb.c
+++ b/drivers/gpu/drm/i915/intel_fb.c
@@ -45,9 +45,10 @@
#include "i915_drm.h"
#include "i915_drv.h"
-struct intelfb_par {
+struct intel_kernel_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;
};
@@ -70,54 +71,12 @@ static struct drm_fb_helper_funcs intel_fb_helper_funcs = {
};
-/**
- * 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)
+static int intelfb_create(struct drm_device *dev,
+ struct drm_fb_helper_surface_size *sizes,
+ struct intel_kernel_fbdev **ifbdev_p)
{
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)
-{
- struct fb_info *info;
- struct intelfb_par *par;
+ struct intel_kernel_fbdev *ifbdev;
struct drm_framebuffer *fb;
struct intel_framebuffer *intel_fb;
struct drm_mode_fb_cmd mode_cmd;
@@ -127,15 +86,15 @@ 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);
@@ -158,28 +117,25 @@ 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");
+ info = framebuffer_alloc(sizeof(struct intel_kernel_fbdev), device);
+ if (!info) {
+ ret = -ENOMEM;
goto out_unpin;
}
- list_add(&fb->filp_head, &dev->mode_config.fb_kernel_list);
+ ifbdev = info->par;
+ intel_framebuffer_init(dev, &ifbdev->ifb, &mode_cmd, fbo);
- intel_fb = to_intel_framebuffer(fb);
- *fb_p = fb;
+ fb = &ifbdev->ifb.base;
- info = framebuffer_alloc(sizeof(struct intelfb_par), device);
- if (!info) {
- ret = -ENOMEM;
- goto out_unpin;
- }
+ ifbdev->helper.fb = fb;
+ ifbdev->helper.fbdev = info;
+ ifbdev->helper.funcs = &intel_fb_helper_funcs;
+ ifbdev->helper.dev = dev;
- par = info->par;
+ *ifbdev_p = ifbdev;
- par->helper.funcs = &intel_fb_helper_funcs;
- par->helper.dev = dev;
- ret = drm_fb_helper_init_crtc_count(&par->helper, 2,
+ ret = drm_fb_helper_init_crtc_count(&ifbdev->helper, 2,
INTELFB_CONN_LIMIT);
if (ret)
goto out_unref;
@@ -214,7 +170,7 @@ static int intelfb_create(struct drm_device *dev, uint32_t fb_width,
// 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);
@@ -226,15 +182,11 @@ 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);
+
mutex_unlock(&dev->struct_mutex);
vga_switcheroo_client_fb_set(dev->pdev, info);
return 0;
@@ -248,35 +200,76 @@ out:
return ret;
}
-int intelfb_probe(struct drm_device *dev)
+static int intel_fb_find_or_create_single(struct drm_device *dev,
+ struct drm_fb_helper_surface_size *sizes,
+ struct drm_fb_helper **fb_ptr)
+{
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ struct intel_kernel_fbdev *ifbdev = NULL;
+ int new_fb = 0;
+ int ret;
+
+ if (!dev_priv->fbdev) {
+ ret = intelfb_create(dev, sizes,
+ &ifbdev);
+ if (ret)
+ return ret;
+
+ dev_priv->fbdev = ifbdev;
+ new_fb = 1;
+ } else {
+ ifbdev = dev_priv->fbdev;
+ if (ifbdev->ifb.base.width < sizes->surface_width ||
+ ifbdev->ifb.base.height < sizes->surface_height) {
+ DRM_ERROR("Framebuffer not large enough to scale console onto.\n");
+ return -EINVAL;
+ }
+ }
+
+ *fb_ptr = &ifbdev->helper;
+ return new_fb;
+}
+
+static int intelfb_probe(struct drm_device *dev)
{
int ret;
DRM_DEBUG_KMS("\n");
- ret = drm_fb_helper_single_fb_probe(dev, 32, intelfb_create);
+ ret = drm_fb_helper_single_fb_probe(dev, 32, intel_fb_find_or_create_single);
return ret;
}
-EXPORT_SYMBOL(intelfb_probe);
-int intelfb_remove(struct drm_device *dev, struct drm_framebuffer *fb)
+int intel_fbdev_destroy(struct drm_device *dev,
+ struct intel_kernel_fbdev *ifbdev)
{
struct fb_info *info;
+ struct intel_framebuffer *ifb = &ifbdev->ifb;
- if (!fb)
- return -EINVAL;
+ info = ifbdev->helper.fbdev;
- info = fb->fbdev;
+ unregister_framebuffer(info);
+ iounmap(info->screen_base);
+ drm_fb_helper_free(&ifbdev->helper);
- if (info) {
- struct intelfb_par *par = info->par;
- unregister_framebuffer(info);
- iounmap(info->screen_base);
- if (info->par)
- drm_fb_helper_free(&par->helper);
- framebuffer_release(info);
- }
+ drm_framebuffer_cleanup(&ifb->base);
+ drm_gem_object_unreference_unlocked(ifb->obj);
+
+ framebuffer_release(info);
return 0;
}
-EXPORT_SYMBOL(intelfb_remove);
+
+int intel_fbdev_init(struct drm_device *dev)
+{
+ drm_helper_initial_config(dev);
+ intelfb_probe(dev);
+ return 0;
+}
+
+void intel_fbdev_fini(struct drm_device *dev)
+{
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ intel_fbdev_destroy(dev, dev_priv->fbdev);
+ dev_priv->fbdev = NULL;
+}
MODULE_LICENSE("GPL and additional rights");
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