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path: root/drivers/gpu/drm/i915/display/intel_fbdev.c
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Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_fbdev.c')
-rw-r--r--drivers/gpu/drm/i915/display/intel_fbdev.c620
1 files changed, 235 insertions, 385 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_fbdev.c b/drivers/gpu/drm/i915/display/intel_fbdev.c
index 4d761c8d42ab..9cd03e2adeb2 100644
--- a/drivers/gpu/drm/i915/display/intel_fbdev.c
+++ b/drivers/gpu/drm/i915/display/intel_fbdev.c
@@ -24,10 +24,10 @@
* David Airlie
*/
-#include <linux/async.h>
#include <linux/console.h>
#include <linux/delay.h>
#include <linux/errno.h>
+#include <linux/fb.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/mm.h>
@@ -37,35 +37,39 @@
#include <linux/tty.h>
#include <linux/vga_switcheroo.h>
+#include <drm/clients/drm_client_setup.h>
#include <drm/drm_crtc.h>
+#include <drm/drm_crtc_helper.h>
#include <drm/drm_fb_helper.h>
#include <drm/drm_fourcc.h>
-
-#include "gem/i915_gem_lmem.h"
-
-#include "i915_drv.h"
+#include <drm/drm_gem.h>
+#include <drm/drm_gem_framebuffer_helper.h>
+#include <drm/drm_managed.h>
+#include <drm/drm_print.h>
+
+#include "i915_vma.h"
+#include "intel_bo.h"
+#include "intel_display_core.h"
+#include "intel_display_rpm.h"
#include "intel_display_types.h"
#include "intel_fb.h"
#include "intel_fb_pin.h"
#include "intel_fbdev.h"
+#include "intel_fbdev_fb.h"
#include "intel_frontbuffer.h"
struct intel_fbdev {
- struct drm_fb_helper helper;
struct intel_framebuffer *fb;
struct i915_vma *vma;
unsigned long vma_flags;
- async_cookie_t cookie;
- int preferred_bpp;
+};
- /* Whether or not fbdev hpd processing is temporarily suspended */
- bool hpd_suspended: 1;
- /* Set when a hotplug was received while HPD processing was suspended */
- bool hpd_waiting: 1;
+static struct intel_fbdev *to_intel_fbdev(struct drm_fb_helper *fb_helper)
+{
+ struct intel_display *display = to_intel_display(fb_helper->client.dev);
- /* Protects hpd_suspended */
- struct mutex hpd_lock;
-};
+ return display->fbdev.fbdev;
+}
static struct intel_frontbuffer *to_frontbuffer(struct intel_fbdev *ifbdev)
{
@@ -77,11 +81,13 @@ static void intel_fbdev_invalidate(struct intel_fbdev *ifbdev)
intel_frontbuffer_invalidate(to_frontbuffer(ifbdev), ORIGIN_CPU);
}
+FB_GEN_DEFAULT_DEFERRED_IOMEM_OPS(intel_fbdev,
+ drm_fb_helper_damage_range,
+ drm_fb_helper_damage_area)
+
static int intel_fbdev_set_par(struct fb_info *info)
{
- struct drm_fb_helper *fb_helper = info->par;
- struct intel_fbdev *ifbdev =
- container_of(fb_helper, struct intel_fbdev, helper);
+ struct intel_fbdev *ifbdev = to_intel_fbdev(info->par);
int ret;
ret = drm_fb_helper_set_par(info);
@@ -93,9 +99,7 @@ static int intel_fbdev_set_par(struct fb_info *info)
static int intel_fbdev_blank(int blank, struct fb_info *info)
{
- struct drm_fb_helper *fb_helper = info->par;
- struct intel_fbdev *ifbdev =
- container_of(fb_helper, struct intel_fbdev, helper);
+ struct intel_fbdev *ifbdev = to_intel_fbdev(info->par);
int ret;
ret = drm_fb_helper_blank(blank, info);
@@ -108,9 +112,7 @@ static int intel_fbdev_blank(int blank, struct fb_info *info)
static int intel_fbdev_pan_display(struct fb_var_screeninfo *var,
struct fb_info *info)
{
- struct drm_fb_helper *fb_helper = info->par;
- struct intel_fbdev *ifbdev =
- container_of(fb_helper, struct intel_fbdev, helper);
+ struct intel_fbdev *ifbdev = to_intel_fbdev(info->par);
int ret;
ret = drm_fb_helper_pan_display(var, info);
@@ -120,227 +122,241 @@ static int intel_fbdev_pan_display(struct fb_var_screeninfo *var,
return ret;
}
+static int intel_fbdev_mmap(struct fb_info *info, struct vm_area_struct *vma)
+{
+ struct drm_fb_helper *fb_helper = info->par;
+ struct drm_gem_object *obj = drm_gem_fb_get_obj(fb_helper->fb, 0);
+
+ return intel_bo_fb_mmap(obj, vma);
+}
+
+static void intel_fbdev_fb_destroy(struct fb_info *info)
+{
+ struct drm_fb_helper *fb_helper = info->par;
+ struct intel_fbdev *ifbdev = to_intel_fbdev(fb_helper);
+
+ drm_fb_helper_fini(fb_helper);
+
+ /*
+ * We rely on the object-free to release the VMA pinning for
+ * the info->screen_base mmaping. Leaking the VMA is simpler than
+ * trying to rectify all the possible error paths leading here.
+ */
+ intel_fb_unpin_vma(ifbdev->vma, ifbdev->vma_flags);
+ drm_framebuffer_remove(fb_helper->fb);
+
+ drm_client_release(&fb_helper->client);
+}
+
+__diag_push();
+__diag_ignore_all("-Woverride-init", "Allow field initialization overrides for fb ops");
+
static const struct fb_ops intelfb_ops = {
.owner = THIS_MODULE,
+ __FB_DEFAULT_DEFERRED_OPS_RDWR(intel_fbdev),
DRM_FB_HELPER_DEFAULT_OPS,
.fb_set_par = intel_fbdev_set_par,
- .fb_read = drm_fb_helper_cfb_read,
- .fb_write = drm_fb_helper_cfb_write,
- .fb_fillrect = drm_fb_helper_cfb_fillrect,
- .fb_copyarea = drm_fb_helper_cfb_copyarea,
- .fb_imageblit = drm_fb_helper_cfb_imageblit,
- .fb_pan_display = intel_fbdev_pan_display,
.fb_blank = intel_fbdev_blank,
+ .fb_pan_display = intel_fbdev_pan_display,
+ __FB_DEFAULT_DEFERRED_OPS_DRAW(intel_fbdev),
+ .fb_mmap = intel_fbdev_mmap,
+ .fb_destroy = intel_fbdev_fb_destroy,
};
-static int intelfb_alloc(struct drm_fb_helper *helper,
- struct drm_fb_helper_surface_size *sizes)
+__diag_pop();
+
+static int intelfb_dirty(struct drm_fb_helper *helper, struct drm_clip_rect *clip)
{
- struct intel_fbdev *ifbdev =
- container_of(helper, struct intel_fbdev, helper);
- struct drm_framebuffer *fb;
- struct drm_device *dev = helper->dev;
- struct drm_i915_private *dev_priv = to_i915(dev);
- struct drm_mode_fb_cmd2 mode_cmd = {};
- struct drm_i915_gem_object *obj;
- int size;
+ if (!(clip->x1 < clip->x2 && clip->y1 < clip->y2))
+ return 0;
+
+ if (helper->fb->funcs->dirty)
+ return helper->fb->funcs->dirty(helper->fb, NULL, 0, 0, clip, 1);
+ return 0;
+}
+
+static void intelfb_restore(struct drm_fb_helper *fb_helper)
+{
+ struct intel_fbdev *ifbdev = to_intel_fbdev(fb_helper);
+
+ intel_fbdev_invalidate(ifbdev);
+}
+
+static void intelfb_set_suspend(struct drm_fb_helper *fb_helper, bool suspend)
+{
+ struct fb_info *info = fb_helper->info;
+
+ /*
+ * When resuming from hibernation, Linux restores the object's
+ * content from swap if the buffer is backed by shmemfs. If the
+ * object is stolen however, it will be full of whatever garbage
+ * was left in there. Clear it to zero in this case.
+ */
+ if (!suspend && !intel_bo_is_shmem(intel_fb_bo(fb_helper->fb)))
+ memset_io(info->screen_base, 0, info->screen_size);
+
+ fb_set_suspend(info, suspend);
+}
+
+static const struct drm_fb_helper_funcs intel_fb_helper_funcs = {
+ .fb_dirty = intelfb_dirty,
+ .fb_restore = intelfb_restore,
+ .fb_set_suspend = intelfb_set_suspend,
+};
+
+static void intel_fbdev_fill_mode_cmd(struct drm_fb_helper_surface_size *sizes,
+ struct drm_mode_fb_cmd2 *mode_cmd)
+{
/* we don't do packed 24bpp */
if (sizes->surface_bpp == 24)
sizes->surface_bpp = 32;
- mode_cmd.width = sizes->surface_width;
- mode_cmd.height = sizes->surface_height;
+ mode_cmd->flags = DRM_MODE_FB_MODIFIERS;
+ mode_cmd->width = sizes->surface_width;
+ mode_cmd->height = sizes->surface_height;
- mode_cmd.pitches[0] = ALIGN(mode_cmd.width *
- DIV_ROUND_UP(sizes->surface_bpp, 8), 64);
- mode_cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp,
- sizes->surface_depth);
+ mode_cmd->pitches[0] = intel_fbdev_fb_pitch_align(mode_cmd->width * DIV_ROUND_UP(sizes->surface_bpp, 8));
+ mode_cmd->pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp,
+ sizes->surface_depth);
+ mode_cmd->modifier[0] = DRM_FORMAT_MOD_LINEAR;
+}
+
+static struct intel_framebuffer *
+__intel_fbdev_fb_alloc(struct intel_display *display,
+ struct drm_fb_helper_surface_size *sizes)
+{
+ struct drm_mode_fb_cmd2 mode_cmd = {};
+ struct drm_framebuffer *fb;
+ struct drm_gem_object *obj;
+ int size;
+
+ intel_fbdev_fill_mode_cmd(sizes, &mode_cmd);
size = mode_cmd.pitches[0] * mode_cmd.height;
size = PAGE_ALIGN(size);
- obj = ERR_PTR(-ENODEV);
- if (HAS_LMEM(dev_priv)) {
- obj = i915_gem_object_create_lmem(dev_priv, size,
- I915_BO_ALLOC_CONTIGUOUS);
- } else {
- /*
- * If the FB is too big, just don't use it since fbdev is not very
- * important and we should probably use that space with FBC or other
- * features.
- */
- if (size * 2 < dev_priv->dsm.usable_size)
- obj = i915_gem_object_create_stolen(dev_priv, size);
- if (IS_ERR(obj))
- obj = i915_gem_object_create_shmem(dev_priv, size);
+ obj = intel_fbdev_fb_bo_create(display->drm, size);
+ if (IS_ERR(obj)) {
+ fb = ERR_CAST(obj);
+ goto err;
}
- if (IS_ERR(obj)) {
- drm_err(&dev_priv->drm, "failed to allocate framebuffer (%pe)\n", obj);
- return PTR_ERR(obj);
+ fb = intel_framebuffer_create(obj,
+ drm_get_format_info(display->drm,
+ mode_cmd.pixel_format,
+ mode_cmd.modifier[0]),
+ &mode_cmd);
+ if (IS_ERR(fb)) {
+ intel_fbdev_fb_bo_destroy(obj);
+ goto err;
}
- fb = intel_framebuffer_create(obj, &mode_cmd);
- i915_gem_object_put(obj);
- if (IS_ERR(fb))
- return PTR_ERR(fb);
+ drm_gem_object_put(obj);
+
+ return to_intel_framebuffer(fb);
+
+err:
+ return ERR_CAST(fb);
- ifbdev->fb = to_intel_framebuffer(fb);
- return 0;
}
-static int intelfb_create(struct drm_fb_helper *helper,
- struct drm_fb_helper_surface_size *sizes)
+int intel_fbdev_driver_fbdev_probe(struct drm_fb_helper *helper,
+ struct drm_fb_helper_surface_size *sizes)
{
- struct intel_fbdev *ifbdev =
- container_of(helper, struct intel_fbdev, helper);
- struct intel_framebuffer *intel_fb = ifbdev->fb;
- struct drm_device *dev = helper->dev;
- struct drm_i915_private *dev_priv = to_i915(dev);
- struct pci_dev *pdev = to_pci_dev(dev_priv->drm.dev);
- struct i915_ggtt *ggtt = to_gt(dev_priv)->ggtt;
- const struct i915_gtt_view view = {
- .type = I915_GTT_VIEW_NORMAL,
- };
- intel_wakeref_t wakeref;
- struct fb_info *info;
+ struct intel_display *display = to_intel_display(helper->dev);
+ struct intel_fbdev *ifbdev = to_intel_fbdev(helper);
+ struct intel_framebuffer *fb = ifbdev->fb;
+ struct fb_info *info = helper->info;
+ struct ref_tracker *wakeref;
struct i915_vma *vma;
unsigned long flags = 0;
bool prealloc = false;
- void __iomem *vaddr;
- struct drm_i915_gem_object *obj;
+ struct drm_gem_object *obj;
int ret;
- mutex_lock(&ifbdev->hpd_lock);
- ret = ifbdev->hpd_suspended ? -EAGAIN : 0;
- mutex_unlock(&ifbdev->hpd_lock);
- if (ret)
- return ret;
+ ifbdev->fb = NULL;
- if (intel_fb &&
- (sizes->fb_width > intel_fb->base.width ||
- sizes->fb_height > intel_fb->base.height)) {
- drm_dbg_kms(&dev_priv->drm,
+ if (fb &&
+ (sizes->fb_width > fb->base.width ||
+ sizes->fb_height > fb->base.height)) {
+ drm_dbg_kms(display->drm,
"BIOS fb too small (%dx%d), we require (%dx%d),"
" releasing it\n",
- intel_fb->base.width, intel_fb->base.height,
+ fb->base.width, fb->base.height,
sizes->fb_width, sizes->fb_height);
- drm_framebuffer_put(&intel_fb->base);
- intel_fb = ifbdev->fb = NULL;
+ drm_framebuffer_put(&fb->base);
+ fb = NULL;
}
- if (!intel_fb || drm_WARN_ON(dev, !intel_fb_obj(&intel_fb->base))) {
- drm_dbg_kms(&dev_priv->drm,
+ if (!fb || drm_WARN_ON(display->drm, !intel_fb_bo(&fb->base))) {
+ drm_dbg_kms(display->drm,
"no BIOS fb, allocating a new one\n");
- ret = intelfb_alloc(helper, sizes);
- if (ret)
- return ret;
- intel_fb = ifbdev->fb;
+
+ fb = __intel_fbdev_fb_alloc(display, sizes);
+ if (IS_ERR(fb))
+ return PTR_ERR(fb);
} else {
- drm_dbg_kms(&dev_priv->drm, "re-using BIOS fb\n");
+ drm_dbg_kms(display->drm, "re-using BIOS fb\n");
prealloc = true;
- sizes->fb_width = intel_fb->base.width;
- sizes->fb_height = intel_fb->base.height;
+ sizes->fb_width = fb->base.width;
+ sizes->fb_height = fb->base.height;
}
- wakeref = intel_runtime_pm_get(&dev_priv->runtime_pm);
+ wakeref = intel_display_rpm_get(display);
/* Pin the GGTT vma for our access via info->screen_base.
* This also validates that any existing fb inherited from the
* BIOS is suitable for own access.
*/
- vma = intel_pin_and_fence_fb_obj(&ifbdev->fb->base, false,
- &view, false, &flags);
+ vma = intel_fb_pin_to_ggtt(&fb->base, &fb->normal_view.gtt,
+ fb->min_alignment, 0,
+ intel_fb_view_vtd_guard(&fb->base, &fb->normal_view,
+ DRM_MODE_ROTATE_0),
+ false, &flags);
if (IS_ERR(vma)) {
ret = PTR_ERR(vma);
goto out_unlock;
}
- info = drm_fb_helper_alloc_info(helper);
- if (IS_ERR(info)) {
- drm_err(&dev_priv->drm, "Failed to allocate fb_info (%pe)\n", info);
- ret = PTR_ERR(info);
- goto out_unpin;
- }
-
- ifbdev->helper.fb = &ifbdev->fb->base;
+ helper->funcs = &intel_fb_helper_funcs;
+ helper->fb = &fb->base;
info->fbops = &intelfb_ops;
- obj = intel_fb_obj(&intel_fb->base);
- if (i915_gem_object_is_lmem(obj)) {
- struct intel_memory_region *mem = obj->mm.region;
+ obj = intel_fb_bo(&fb->base);
- /* Use fbdev's framebuffer from lmem for discrete */
- info->fix.smem_start =
- (unsigned long)(mem->io_start +
- i915_gem_object_get_dma_address(obj, 0));
- info->fix.smem_len = obj->base.size;
- } else {
- /* Our framebuffer is the entirety of fbdev's system memory */
- info->fix.smem_start =
- (unsigned long)(ggtt->gmadr.start + i915_ggtt_offset(vma));
- info->fix.smem_len = vma->size;
- }
-
- vaddr = i915_vma_pin_iomap(vma);
- if (IS_ERR(vaddr)) {
- drm_err(&dev_priv->drm,
- "Failed to remap framebuffer into virtual memory (%pe)\n", vaddr);
- ret = PTR_ERR(vaddr);
+ ret = intel_fbdev_fb_fill_info(display->drm, info, obj, vma);
+ if (ret)
goto out_unpin;
- }
- info->screen_base = vaddr;
- info->screen_size = vma->size;
- drm_fb_helper_fill_info(info, &ifbdev->helper, sizes);
+ drm_fb_helper_fill_info(info, display->drm->fb_helper, sizes);
/* If the object is shmemfs backed, it will have given us zeroed pages.
* If the object is stolen however, it will be full of whatever
* garbage was left in there.
*/
- if (!i915_gem_object_is_shmem(vma->obj) && !prealloc)
+ if (!intel_bo_is_shmem(obj) && !prealloc)
memset_io(info->screen_base, 0, info->screen_size);
/* Use default scratch pixmap (info->pixmap.flags = FB_PIXMAP_SYSTEM) */
- drm_dbg_kms(&dev_priv->drm, "allocated %dx%d fb: 0x%08x\n",
- ifbdev->fb->base.width, ifbdev->fb->base.height,
+ drm_dbg_kms(display->drm, "allocated %dx%d fb: 0x%08x\n",
+ fb->base.width, fb->base.height,
i915_ggtt_offset(vma));
+ ifbdev->fb = fb;
ifbdev->vma = vma;
ifbdev->vma_flags = flags;
- intel_runtime_pm_put(&dev_priv->runtime_pm, wakeref);
- vga_switcheroo_client_fb_set(pdev, info);
+ intel_display_rpm_put(display, wakeref);
+
return 0;
out_unpin:
- intel_unpin_fb_vma(vma, flags);
+ intel_fb_unpin_vma(vma, flags);
out_unlock:
- intel_runtime_pm_put(&dev_priv->runtime_pm, wakeref);
- return ret;
-}
-
-static const struct drm_fb_helper_funcs intel_fb_helper_funcs = {
- .fb_probe = intelfb_create,
-};
-
-static void intel_fbdev_destroy(struct intel_fbdev *ifbdev)
-{
- /* We rely on the object-free to release the VMA pinning for
- * the info->screen_base mmaping. Leaking the VMA is simpler than
- * trying to rectify all the possible error paths leading here.
- */
-
- drm_fb_helper_fini(&ifbdev->helper);
-
- if (ifbdev->vma)
- intel_unpin_fb_vma(ifbdev->vma, ifbdev->vma_flags);
-
- if (ifbdev->fb)
- drm_framebuffer_remove(&ifbdev->fb->base);
+ intel_display_rpm_put(display, wakeref);
- kfree(ifbdev);
+ return ret;
}
/*
@@ -352,56 +368,54 @@ static void intel_fbdev_destroy(struct intel_fbdev *ifbdev)
* 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,
+static bool intel_fbdev_init_bios(struct intel_display *display,
struct intel_fbdev *ifbdev)
{
- struct drm_i915_private *i915 = to_i915(dev);
struct intel_framebuffer *fb = NULL;
struct intel_crtc *crtc;
unsigned int max_size = 0;
/* Find the largest fb */
- for_each_intel_crtc(dev, crtc) {
+ for_each_intel_crtc(display->drm, crtc) {
struct intel_crtc_state *crtc_state =
to_intel_crtc_state(crtc->base.state);
struct intel_plane *plane =
to_intel_plane(crtc->base.primary);
struct intel_plane_state *plane_state =
to_intel_plane_state(plane->base.state);
- struct drm_i915_gem_object *obj =
- intel_fb_obj(plane_state->uapi.fb);
+ struct drm_gem_object *obj = intel_fb_bo(plane_state->uapi.fb);
if (!crtc_state->uapi.active) {
- drm_dbg_kms(&i915->drm,
+ drm_dbg_kms(display->drm,
"[CRTC:%d:%s] not active, skipping\n",
crtc->base.base.id, crtc->base.name);
continue;
}
if (!obj) {
- drm_dbg_kms(&i915->drm,
+ drm_dbg_kms(display->drm,
"[PLANE:%d:%s] no fb, skipping\n",
plane->base.base.id, plane->base.name);
continue;
}
- if (obj->base.size > max_size) {
- drm_dbg_kms(&i915->drm,
+ if (obj->size > max_size) {
+ drm_dbg_kms(display->drm,
"found possible fb from [PLANE:%d:%s]\n",
plane->base.base.id, plane->base.name);
fb = to_intel_framebuffer(plane_state->uapi.fb);
- max_size = obj->base.size;
+ max_size = obj->size;
}
}
if (!fb) {
- drm_dbg_kms(&i915->drm,
+ drm_dbg_kms(display->drm,
"no active fbs found, not using BIOS config\n");
goto out;
}
/* Now make sure all the pipes will fit into it */
- for_each_intel_crtc(dev, crtc) {
+ for_each_intel_crtc(display->drm, crtc) {
struct intel_crtc_state *crtc_state =
to_intel_crtc_state(crtc->base.state);
struct intel_plane *plane =
@@ -409,13 +423,13 @@ static bool intel_fbdev_init_bios(struct drm_device *dev,
unsigned int cur_size;
if (!crtc_state->uapi.active) {
- drm_dbg_kms(&i915->drm,
+ drm_dbg_kms(display->drm,
"[CRTC:%d:%s] not active, skipping\n",
crtc->base.base.id, crtc->base.name);
continue;
}
- drm_dbg_kms(&i915->drm, "checking [PLANE:%d:%s] for BIOS fb\n",
+ drm_dbg_kms(display->drm, "checking [PLANE:%d:%s] for BIOS fb\n",
plane->base.base.id, plane->base.name);
/*
@@ -426,7 +440,7 @@ static bool intel_fbdev_init_bios(struct drm_device *dev,
cur_size = crtc_state->uapi.adjusted_mode.crtc_hdisplay;
cur_size = cur_size * fb->base.format->cpp[0];
if (fb->base.pitches[0] < cur_size) {
- drm_dbg_kms(&i915->drm,
+ drm_dbg_kms(display->drm,
"fb not wide enough for [PLANE:%d:%s] (%d vs %d)\n",
plane->base.base.id, plane->base.name,
cur_size, fb->base.pitches[0]);
@@ -437,7 +451,7 @@ static bool intel_fbdev_init_bios(struct drm_device *dev,
cur_size = crtc_state->uapi.adjusted_mode.crtc_vdisplay;
cur_size = intel_fb_align_height(&fb->base, 0, cur_size);
cur_size *= fb->base.pitches[0];
- drm_dbg_kms(&i915->drm,
+ drm_dbg_kms(display->drm,
"[CRTC:%d:%s] area: %dx%d, bpp: %d, size: %d\n",
crtc->base.base.id, crtc->base.name,
crtc_state->uapi.adjusted_mode.crtc_hdisplay,
@@ -446,7 +460,7 @@ static bool intel_fbdev_init_bios(struct drm_device *dev,
cur_size);
if (cur_size > max_size) {
- drm_dbg_kms(&i915->drm,
+ drm_dbg_kms(display->drm,
"fb not big enough for [PLANE:%d:%s] (%d vs %d)\n",
plane->base.base.id, plane->base.name,
cur_size, max_size);
@@ -454,25 +468,24 @@ static bool intel_fbdev_init_bios(struct drm_device *dev,
break;
}
- drm_dbg_kms(&i915->drm,
+ drm_dbg_kms(display->drm,
"fb big enough [PLANE:%d:%s] (%d >= %d)\n",
plane->base.base.id, plane->base.name,
max_size, cur_size);
}
if (!fb) {
- drm_dbg_kms(&i915->drm,
+ drm_dbg_kms(display->drm,
"BIOS fb not suitable for all pipes, not using\n");
goto out;
}
- ifbdev->preferred_bpp = fb->base.format->cpp[0] * 8;
ifbdev->fb = fb;
drm_framebuffer_get(&ifbdev->fb->base);
/* Final pass to check if any active pipes don't have fbs */
- for_each_intel_crtc(dev, crtc) {
+ for_each_intel_crtc(display->drm, crtc) {
struct intel_crtc_state *crtc_state =
to_intel_crtc_state(crtc->base.state);
struct intel_plane *plane =
@@ -483,13 +496,13 @@ static bool intel_fbdev_init_bios(struct drm_device *dev,
if (!crtc_state->uapi.active)
continue;
- drm_WARN(dev, !plane_state->uapi.fb,
+ drm_WARN(display->drm, !plane_state->uapi.fb,
"re-used BIOS config but lost an fb on [PLANE:%d:%s]\n",
plane->base.base.id, plane->base.name);
}
- drm_dbg_kms(&i915->drm, "using BIOS fb for initial console\n");
+ drm_dbg_kms(display->drm, "using BIOS fb for initial console\n");
return true;
out:
@@ -497,221 +510,58 @@ out:
return false;
}
-static void intel_fbdev_suspend_worker(struct work_struct *work)
+static unsigned int intel_fbdev_color_mode(const struct drm_format_info *info)
{
- intel_fbdev_set_suspend(&container_of(work,
- struct drm_i915_private,
- display.fbdev.suspend_work)->drm,
- FBINFO_STATE_RUNNING,
- true);
-}
-
-int intel_fbdev_init(struct drm_device *dev)
-{
- struct drm_i915_private *dev_priv = to_i915(dev);
- struct intel_fbdev *ifbdev;
- int ret;
-
- if (drm_WARN_ON(dev, !HAS_DISPLAY(dev_priv)))
- return -ENODEV;
-
- ifbdev = kzalloc(sizeof(struct intel_fbdev), GFP_KERNEL);
- if (ifbdev == NULL)
- return -ENOMEM;
+ unsigned int bpp;
- mutex_init(&ifbdev->hpd_lock);
- drm_fb_helper_prepare(dev, &ifbdev->helper, 32, &intel_fb_helper_funcs);
+ if (!info->depth || info->num_planes != 1 || info->has_alpha || info->is_yuv)
+ return 0;
- if (intel_fbdev_init_bios(dev, ifbdev))
- ifbdev->helper.preferred_bpp = ifbdev->preferred_bpp;
- else
- ifbdev->preferred_bpp = ifbdev->helper.preferred_bpp;
+ bpp = drm_format_info_bpp(info, 0);
- ret = drm_fb_helper_init(dev, &ifbdev->helper);
- if (ret) {
- kfree(ifbdev);
- return ret;
+ switch (bpp) {
+ case 16:
+ return info->depth; // 15 or 16
+ default:
+ return bpp;
}
-
- dev_priv->display.fbdev.fbdev = ifbdev;
- INIT_WORK(&dev_priv->display.fbdev.suspend_work, intel_fbdev_suspend_worker);
-
- return 0;
}
-static void intel_fbdev_initial_config(void *data, async_cookie_t cookie)
+void intel_fbdev_setup(struct intel_display *display)
{
- struct intel_fbdev *ifbdev = data;
-
- /* Due to peculiar init order wrt to hpd handling this is separate. */
- if (drm_fb_helper_initial_config(&ifbdev->helper))
- intel_fbdev_unregister(to_i915(ifbdev->helper.dev));
-}
-
-void intel_fbdev_initial_config_async(struct drm_device *dev)
-{
- struct intel_fbdev *ifbdev = to_i915(dev)->display.fbdev.fbdev;
-
- if (!ifbdev)
- return;
-
- ifbdev->cookie = async_schedule(intel_fbdev_initial_config, ifbdev);
-}
+ struct intel_fbdev *ifbdev;
+ unsigned int preferred_bpp = 0;
-static void intel_fbdev_sync(struct intel_fbdev *ifbdev)
-{
- if (!ifbdev->cookie)
+ if (!HAS_DISPLAY(display))
return;
- /* Only serialises with all preceding async calls, hence +1 */
- async_synchronize_cookie(ifbdev->cookie + 1);
- ifbdev->cookie = 0;
-}
-
-void intel_fbdev_unregister(struct drm_i915_private *dev_priv)
-{
- struct intel_fbdev *ifbdev = dev_priv->display.fbdev.fbdev;
-
+ ifbdev = drmm_kzalloc(display->drm, sizeof(*ifbdev), GFP_KERNEL);
if (!ifbdev)
return;
- intel_fbdev_set_suspend(&dev_priv->drm, FBINFO_STATE_SUSPENDED, true);
-
- if (!current_is_async())
- intel_fbdev_sync(ifbdev);
+ display->fbdev.fbdev = ifbdev;
+ if (intel_fbdev_init_bios(display, ifbdev))
+ preferred_bpp = intel_fbdev_color_mode(ifbdev->fb->base.format);
+ if (!preferred_bpp)
+ preferred_bpp = 32;
- drm_fb_helper_unregister_info(&ifbdev->helper);
+ drm_client_setup_with_color_mode(display->drm, preferred_bpp);
}
-void intel_fbdev_fini(struct drm_i915_private *dev_priv)
-{
- struct intel_fbdev *ifbdev = fetch_and_zero(&dev_priv->display.fbdev.fbdev);
-
- if (!ifbdev)
- return;
-
- intel_fbdev_destroy(ifbdev);
-}
-
-/* Suspends/resumes fbdev processing of incoming HPD events. When resuming HPD
- * processing, fbdev will perform a full connector reprobe if a hotplug event
- * was received while HPD was suspended.
- */
-static void intel_fbdev_hpd_set_suspend(struct drm_i915_private *i915, int state)
-{
- struct intel_fbdev *ifbdev = i915->display.fbdev.fbdev;
- bool send_hpd = false;
-
- mutex_lock(&ifbdev->hpd_lock);
- ifbdev->hpd_suspended = state == FBINFO_STATE_SUSPENDED;
- send_hpd = !ifbdev->hpd_suspended && ifbdev->hpd_waiting;
- ifbdev->hpd_waiting = false;
- mutex_unlock(&ifbdev->hpd_lock);
-
- if (send_hpd) {
- drm_dbg_kms(&i915->drm, "Handling delayed fbcon HPD event\n");
- drm_fb_helper_hotplug_event(&ifbdev->helper);
- }
-}
-
-void intel_fbdev_set_suspend(struct drm_device *dev, int state, bool synchronous)
-{
- struct drm_i915_private *dev_priv = to_i915(dev);
- struct intel_fbdev *ifbdev = dev_priv->display.fbdev.fbdev;
- struct fb_info *info;
-
- if (!ifbdev)
- return;
-
- if (drm_WARN_ON(&dev_priv->drm, !HAS_DISPLAY(dev_priv)))
- return;
-
- if (!ifbdev->vma)
- goto set_suspend;
-
- info = ifbdev->helper.info;
-
- if (synchronous) {
- /* Flush any pending work to turn the console on, and then
- * wait to turn it off. It must be synchronous as we are
- * about to suspend or unload the driver.
- *
- * Note that from within the work-handler, we cannot flush
- * ourselves, so only flush outstanding work upon suspend!
- */
- if (state != FBINFO_STATE_RUNNING)
- flush_work(&dev_priv->display.fbdev.suspend_work);
-
- console_lock();
- } else {
- /*
- * The console lock can be pretty contented on resume due
- * to all the printk activity. Try to keep it out of the hot
- * path of resume if possible.
- */
- drm_WARN_ON(dev, state != FBINFO_STATE_RUNNING);
- if (!console_trylock()) {
- /* Don't block our own workqueue as this can
- * be run in parallel with other i915.ko tasks.
- */
- schedule_work(&dev_priv->display.fbdev.suspend_work);
- return;
- }
- }
-
- /* On resume from hibernation: If the object is shmemfs backed, it has
- * been restored from swap. If the object is stolen however, it will be
- * full of whatever garbage was left in there.
- */
- if (state == FBINFO_STATE_RUNNING &&
- !i915_gem_object_is_shmem(intel_fb_obj(&ifbdev->fb->base)))
- memset_io(info->screen_base, 0, info->screen_size);
-
- drm_fb_helper_set_suspend(&ifbdev->helper, state);
- console_unlock();
-
-set_suspend:
- intel_fbdev_hpd_set_suspend(dev_priv, state);
-}
-
-void intel_fbdev_output_poll_changed(struct drm_device *dev)
+struct intel_framebuffer *intel_fbdev_framebuffer(struct intel_fbdev *fbdev)
{
- struct intel_fbdev *ifbdev = to_i915(dev)->display.fbdev.fbdev;
- bool send_hpd;
-
- if (!ifbdev)
- return;
-
- intel_fbdev_sync(ifbdev);
-
- mutex_lock(&ifbdev->hpd_lock);
- send_hpd = !ifbdev->hpd_suspended;
- ifbdev->hpd_waiting = true;
- mutex_unlock(&ifbdev->hpd_lock);
+ if (!fbdev)
+ return NULL;
- if (send_hpd && (ifbdev->vma || ifbdev->helper.deferred_setup))
- drm_fb_helper_hotplug_event(&ifbdev->helper);
+ return fbdev->fb;
}
-void intel_fbdev_restore_mode(struct drm_device *dev)
+struct i915_vma *intel_fbdev_vma_pointer(struct intel_fbdev *fbdev)
{
- struct intel_fbdev *ifbdev = to_i915(dev)->display.fbdev.fbdev;
-
- if (!ifbdev)
- return;
-
- intel_fbdev_sync(ifbdev);
- if (!ifbdev->vma)
- return;
-
- if (drm_fb_helper_restore_fbdev_mode_unlocked(&ifbdev->helper) == 0)
- intel_fbdev_invalidate(ifbdev);
+ return fbdev ? fbdev->vma : NULL;
}
-struct intel_framebuffer *intel_fbdev_framebuffer(struct intel_fbdev *fbdev)
+void intel_fbdev_get_map(struct intel_fbdev *fbdev, struct iosys_map *map)
{
- if (!fbdev || !fbdev->helper.fb)
- return NULL;
-
- return to_intel_framebuffer(fbdev->helper.fb);
+ intel_fb_get_map(fbdev->vma, map);
}