atom.o radeon_fence.o radeon_ttm.o radeon_object.o radeon_gart.o \
radeon_legacy_crtc.o radeon_legacy_encoders.o radeon_connectors.o \
radeon_encoders.o radeon_display.o radeon_cursor.o radeon_i2c.o \
- radeon_clocks.o radeon_fb.o radeon_gem.o radeon_ring.o radeon_irq_kms.o \
+ radeon_clocks.o radeon_gem.o radeon_ring.o radeon_irq_kms.o \
radeon_cs.o radeon_bios.o radeon_benchmark.o r100.o r300.o r420.o \
rs400.o rs600.o rs690.o rv515.o r520.o r600.o rv770.o radeon_test.o \
r200.o radeon_legacy_tv.o r600_cs.o \
vce_v1_0.o \
vce_v2_0.o
+radeon-$(CONFIG_DRM_FBDEV_EMULATION) += radeon_fbdev.o
radeon-$(CONFIG_VGA_SWITCHEROO) += radeon_atpx_handler.o
radeon-$(CONFIG_ACPI) += radeon_acpi.o
+++ /dev/null
-/*
- * Copyright © 2007 David Airlie
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * David Airlie
- */
-
-#include <linux/pci.h>
-#include <linux/pm_runtime.h>
-#include <linux/vga_switcheroo.h>
-
-#include <drm/drm_crtc_helper.h>
-#include <drm/drm_drv.h>
-#include <drm/drm_fb_helper.h>
-#include <drm/drm_fourcc.h>
-#include <drm/drm_framebuffer.h>
-#include <drm/drm_gem_framebuffer_helper.h>
-
-#include "radeon.h"
-
-static void radeon_fbdev_destroy_pinned_object(struct drm_gem_object *gobj)
-{
- struct radeon_bo *rbo = gem_to_radeon_bo(gobj);
- int ret;
-
- ret = radeon_bo_reserve(rbo, false);
- if (likely(ret == 0)) {
- radeon_bo_kunmap(rbo);
- radeon_bo_unpin(rbo);
- radeon_bo_unreserve(rbo);
- }
- drm_gem_object_put(gobj);
-}
-
-static int radeon_fbdev_create_pinned_object(struct drm_fb_helper *fb_helper,
- struct drm_mode_fb_cmd2 *mode_cmd,
- struct drm_gem_object **gobj_p)
-{
- const struct drm_format_info *info;
- struct radeon_device *rdev = fb_helper->dev->dev_private;
- struct drm_gem_object *gobj = NULL;
- struct radeon_bo *rbo = NULL;
- bool fb_tiled = false; /* useful for testing */
- u32 tiling_flags = 0;
- int ret;
- int aligned_size, size;
- int height = mode_cmd->height;
- u32 cpp;
-
- info = drm_get_format_info(rdev->ddev, mode_cmd);
- cpp = info->cpp[0];
-
- /* need to align pitch with crtc limits */
- mode_cmd->pitches[0] = radeon_align_pitch(rdev, mode_cmd->width, cpp,
- fb_tiled);
-
- if (rdev->family >= CHIP_R600)
- height = ALIGN(mode_cmd->height, 8);
- size = mode_cmd->pitches[0] * height;
- aligned_size = ALIGN(size, PAGE_SIZE);
- ret = radeon_gem_object_create(rdev, aligned_size, 0,
- RADEON_GEM_DOMAIN_VRAM,
- 0, true, &gobj);
- if (ret) {
- pr_err("failed to allocate framebuffer (%d)\n", aligned_size);
- return -ENOMEM;
- }
- rbo = gem_to_radeon_bo(gobj);
-
- if (fb_tiled)
- tiling_flags = RADEON_TILING_MACRO;
-
-#ifdef __BIG_ENDIAN
- switch (cpp) {
- case 4:
- tiling_flags |= RADEON_TILING_SWAP_32BIT;
- break;
- case 2:
- tiling_flags |= RADEON_TILING_SWAP_16BIT;
- break;
- default:
- break;
- }
-#endif
-
- if (tiling_flags) {
- ret = radeon_bo_set_tiling_flags(rbo,
- tiling_flags | RADEON_TILING_SURFACE,
- mode_cmd->pitches[0]);
- if (ret)
- dev_err(rdev->dev, "FB failed to set tiling flags\n");
- }
-
- ret = radeon_bo_reserve(rbo, false);
- if (unlikely(ret != 0))
- goto err_radeon_fbdev_destroy_pinned_object;
- /* Only 27 bit offset for legacy CRTC */
- ret = radeon_bo_pin_restricted(rbo, RADEON_GEM_DOMAIN_VRAM,
- ASIC_IS_AVIVO(rdev) ? 0 : 1 << 27,
- NULL);
- if (ret) {
- radeon_bo_unreserve(rbo);
- goto err_radeon_fbdev_destroy_pinned_object;
- }
- if (fb_tiled)
- radeon_bo_check_tiling(rbo, 0, 0);
- ret = radeon_bo_kmap(rbo, NULL);
- radeon_bo_unreserve(rbo);
- if (ret)
- goto err_radeon_fbdev_destroy_pinned_object;
-
- *gobj_p = gobj;
- return 0;
-
-err_radeon_fbdev_destroy_pinned_object:
- radeon_fbdev_destroy_pinned_object(gobj);
- *gobj_p = NULL;
- return ret;
-}
-
-/*
- * Fbdev ops and struct fb_ops
- */
-
-static int radeon_fbdev_fb_open(struct fb_info *info, int user)
-{
- struct drm_fb_helper *fb_helper = info->par;
- struct radeon_device *rdev = fb_helper->dev->dev_private;
- int ret;
-
- ret = pm_runtime_get_sync(rdev->ddev->dev);
- if (ret < 0 && ret != -EACCES)
- goto err_pm_runtime_mark_last_busy;
-
- return 0;
-
-err_pm_runtime_mark_last_busy:
- pm_runtime_mark_last_busy(rdev->ddev->dev);
- pm_runtime_put_autosuspend(rdev->ddev->dev);
- return ret;
-}
-
-static int radeon_fbdev_fb_release(struct fb_info *info, int user)
-{
- struct drm_fb_helper *fb_helper = info->par;
- struct radeon_device *rdev = fb_helper->dev->dev_private;
-
- pm_runtime_mark_last_busy(rdev->ddev->dev);
- pm_runtime_put_autosuspend(rdev->ddev->dev);
-
- return 0;
-}
-
-static void radeon_fbdev_fb_destroy(struct fb_info *info)
-{
- struct drm_fb_helper *fb_helper = info->par;
- struct drm_framebuffer *fb = fb_helper->fb;
- struct drm_gem_object *gobj = drm_gem_fb_get_obj(fb, 0);
-
- drm_fb_helper_fini(fb_helper);
-
- drm_framebuffer_unregister_private(fb);
- drm_framebuffer_cleanup(fb);
- kfree(fb);
- radeon_fbdev_destroy_pinned_object(gobj);
-
- drm_client_release(&fb_helper->client);
- drm_fb_helper_unprepare(fb_helper);
- kfree(fb_helper);
-}
-
-static const struct fb_ops radeon_fbdev_fb_ops = {
- .owner = THIS_MODULE,
- DRM_FB_HELPER_DEFAULT_OPS,
- .fb_open = radeon_fbdev_fb_open,
- .fb_release = radeon_fbdev_fb_release,
- .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_destroy = radeon_fbdev_fb_destroy,
-};
-
-/*
- * Fbdev helpers and struct drm_fb_helper_funcs
- */
-
-static int radeon_fbdev_fb_helper_fb_probe(struct drm_fb_helper *fb_helper,
- struct drm_fb_helper_surface_size *sizes)
-{
- struct radeon_device *rdev = fb_helper->dev->dev_private;
- struct drm_mode_fb_cmd2 mode_cmd = { };
- struct fb_info *info;
- struct drm_gem_object *gobj;
- struct radeon_bo *rbo;
- struct drm_framebuffer *fb;
- int ret;
- unsigned long tmp;
-
- mode_cmd.width = sizes->surface_width;
- mode_cmd.height = sizes->surface_height;
-
- /* avivo can't scanout real 24bpp */
- if ((sizes->surface_bpp == 24) && ASIC_IS_AVIVO(rdev))
- sizes->surface_bpp = 32;
-
- mode_cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp,
- sizes->surface_depth);
-
- ret = radeon_fbdev_create_pinned_object(fb_helper, &mode_cmd, &gobj);
- if (ret) {
- DRM_ERROR("failed to create fbcon object %d\n", ret);
- return ret;
- }
- rbo = gem_to_radeon_bo(gobj);
-
- fb = kzalloc(sizeof(*fb), GFP_KERNEL);
- if (!fb) {
- ret = -ENOMEM;
- goto err_radeon_fbdev_destroy_pinned_object;
- }
- ret = radeon_framebuffer_init(rdev->ddev, fb, &mode_cmd, gobj);
- if (ret) {
- DRM_ERROR("failed to initialize framebuffer %d\n", ret);
- goto err_kfree;
- }
-
- /* setup helper */
- fb_helper->fb = fb;
-
- /* okay we have an object now allocate the framebuffer */
- info = drm_fb_helper_alloc_info(fb_helper);
- if (IS_ERR(info)) {
- ret = PTR_ERR(info);
- goto err_drm_framebuffer_unregister_private;
- }
-
- info->fbops = &radeon_fbdev_fb_ops;
- info->flags = FBINFO_DEFAULT;
- /* radeon resume is fragile and needs a vt switch to help it along */
- info->skip_vt_switch = false;
-
- drm_fb_helper_fill_info(info, fb_helper, sizes);
-
- tmp = radeon_bo_gpu_offset(rbo) - rdev->mc.vram_start;
- info->fix.smem_start = rdev->mc.aper_base + tmp;
- info->fix.smem_len = radeon_bo_size(rbo);
- info->screen_base = (__force void __iomem *)rbo->kptr;
- info->screen_size = radeon_bo_size(rbo);
-
- memset_io(info->screen_base, 0, info->screen_size);
-
- /* Use default scratch pixmap (info->pixmap.flags = FB_PIXMAP_SYSTEM) */
-
- DRM_INFO("fb mappable at 0x%lX\n", info->fix.smem_start);
- DRM_INFO("vram apper at 0x%lX\n", (unsigned long)rdev->mc.aper_base);
- DRM_INFO("size %lu\n", (unsigned long)radeon_bo_size(rbo));
- DRM_INFO("fb depth is %d\n", fb->format->depth);
- DRM_INFO(" pitch is %d\n", fb->pitches[0]);
-
- return 0;
-
-err_drm_framebuffer_unregister_private:
- fb_helper->fb = NULL;
- drm_framebuffer_unregister_private(fb);
- drm_framebuffer_cleanup(fb);
-err_kfree:
- kfree(fb);
-err_radeon_fbdev_destroy_pinned_object:
- radeon_fbdev_destroy_pinned_object(gobj);
- return ret;
-}
-
-static const struct drm_fb_helper_funcs radeon_fbdev_fb_helper_funcs = {
- .fb_probe = radeon_fbdev_fb_helper_fb_probe,
-};
-
-/*
- * Fbdev client and struct drm_client_funcs
- */
-
-static void radeon_fbdev_client_unregister(struct drm_client_dev *client)
-{
- struct drm_fb_helper *fb_helper = drm_fb_helper_from_client(client);
- struct drm_device *dev = fb_helper->dev;
- struct radeon_device *rdev = dev->dev_private;
-
- if (fb_helper->info) {
- vga_switcheroo_client_fb_set(rdev->pdev, NULL);
- drm_fb_helper_unregister_info(fb_helper);
- } else {
- drm_client_release(&fb_helper->client);
- drm_fb_helper_unprepare(fb_helper);
- kfree(fb_helper);
- }
-}
-
-static int radeon_fbdev_client_restore(struct drm_client_dev *client)
-{
- drm_fb_helper_lastclose(client->dev);
- vga_switcheroo_process_delayed_switch();
-
- return 0;
-}
-
-static int radeon_fbdev_client_hotplug(struct drm_client_dev *client)
-{
- struct drm_fb_helper *fb_helper = drm_fb_helper_from_client(client);
- struct drm_device *dev = client->dev;
- struct radeon_device *rdev = dev->dev_private;
- int ret;
-
- if (dev->fb_helper)
- return drm_fb_helper_hotplug_event(dev->fb_helper);
-
- ret = drm_fb_helper_init(dev, fb_helper);
- if (ret)
- goto err_drm_err;
-
- if (!drm_drv_uses_atomic_modeset(dev))
- drm_helper_disable_unused_functions(dev);
-
- ret = drm_fb_helper_initial_config(fb_helper);
- if (ret)
- goto err_drm_fb_helper_fini;
-
- vga_switcheroo_client_fb_set(rdev->pdev, fb_helper->info);
-
- return 0;
-
-err_drm_fb_helper_fini:
- drm_fb_helper_fini(fb_helper);
-err_drm_err:
- drm_err(dev, "Failed to setup radeon fbdev emulation (ret=%d)\n", ret);
- return ret;
-}
-
-static const struct drm_client_funcs radeon_fbdev_client_funcs = {
- .owner = THIS_MODULE,
- .unregister = radeon_fbdev_client_unregister,
- .restore = radeon_fbdev_client_restore,
- .hotplug = radeon_fbdev_client_hotplug,
-};
-
-void radeon_fbdev_setup(struct radeon_device *rdev)
-{
- struct drm_fb_helper *fb_helper;
- int bpp_sel = 32;
- int ret;
-
- if (rdev->mc.real_vram_size <= (8 * 1024 * 1024))
- bpp_sel = 8;
- else if (ASIC_IS_RN50(rdev) || rdev->mc.real_vram_size <= (32 * 1024 * 1024))
- bpp_sel = 16;
-
- fb_helper = kzalloc(sizeof(*fb_helper), GFP_KERNEL);
- if (!fb_helper)
- return;
- drm_fb_helper_prepare(rdev->ddev, fb_helper, bpp_sel, &radeon_fbdev_fb_helper_funcs);
-
- ret = drm_client_init(rdev->ddev, &fb_helper->client, "radeon-fbdev",
- &radeon_fbdev_client_funcs);
- if (ret) {
- drm_err(rdev->ddev, "Failed to register client: %d\n", ret);
- goto err_drm_client_init;
- }
-
- ret = radeon_fbdev_client_hotplug(&fb_helper->client);
- if (ret)
- drm_dbg_kms(rdev->ddev, "client hotplug ret=%d\n", ret);
-
- drm_client_register(&fb_helper->client);
-
- return;
-
-err_drm_client_init:
- drm_fb_helper_unprepare(fb_helper);
- kfree(fb_helper);
-}
-
-void radeon_fbdev_set_suspend(struct radeon_device *rdev, int state)
-{
- if (rdev->ddev->fb_helper)
- drm_fb_helper_set_suspend(rdev->ddev->fb_helper, state);
-}
-
-bool radeon_fbdev_robj_is_fb(struct radeon_device *rdev, struct radeon_bo *robj)
-{
- struct drm_fb_helper *fb_helper = rdev->ddev->fb_helper;
- struct drm_gem_object *gobj;
-
- if (!fb_helper)
- return false;
-
- gobj = drm_gem_fb_get_obj(fb_helper->fb, 0);
- if (!gobj)
- return false;
- if (gobj != &robj->tbo.base)
- return false;
-
- return true;
-}
--- /dev/null
+/*
+ * Copyright © 2007 David Airlie
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ * David Airlie
+ */
+
+#include <linux/pci.h>
+#include <linux/pm_runtime.h>
+#include <linux/vga_switcheroo.h>
+
+#include <drm/drm_crtc_helper.h>
+#include <drm/drm_drv.h>
+#include <drm/drm_fb_helper.h>
+#include <drm/drm_fourcc.h>
+#include <drm/drm_framebuffer.h>
+#include <drm/drm_gem_framebuffer_helper.h>
+
+#include "radeon.h"
+
+static void radeon_fbdev_destroy_pinned_object(struct drm_gem_object *gobj)
+{
+ struct radeon_bo *rbo = gem_to_radeon_bo(gobj);
+ int ret;
+
+ ret = radeon_bo_reserve(rbo, false);
+ if (likely(ret == 0)) {
+ radeon_bo_kunmap(rbo);
+ radeon_bo_unpin(rbo);
+ radeon_bo_unreserve(rbo);
+ }
+ drm_gem_object_put(gobj);
+}
+
+static int radeon_fbdev_create_pinned_object(struct drm_fb_helper *fb_helper,
+ struct drm_mode_fb_cmd2 *mode_cmd,
+ struct drm_gem_object **gobj_p)
+{
+ const struct drm_format_info *info;
+ struct radeon_device *rdev = fb_helper->dev->dev_private;
+ struct drm_gem_object *gobj = NULL;
+ struct radeon_bo *rbo = NULL;
+ bool fb_tiled = false; /* useful for testing */
+ u32 tiling_flags = 0;
+ int ret;
+ int aligned_size, size;
+ int height = mode_cmd->height;
+ u32 cpp;
+
+ info = drm_get_format_info(rdev->ddev, mode_cmd);
+ cpp = info->cpp[0];
+
+ /* need to align pitch with crtc limits */
+ mode_cmd->pitches[0] = radeon_align_pitch(rdev, mode_cmd->width, cpp,
+ fb_tiled);
+
+ if (rdev->family >= CHIP_R600)
+ height = ALIGN(mode_cmd->height, 8);
+ size = mode_cmd->pitches[0] * height;
+ aligned_size = ALIGN(size, PAGE_SIZE);
+ ret = radeon_gem_object_create(rdev, aligned_size, 0,
+ RADEON_GEM_DOMAIN_VRAM,
+ 0, true, &gobj);
+ if (ret) {
+ pr_err("failed to allocate framebuffer (%d)\n", aligned_size);
+ return -ENOMEM;
+ }
+ rbo = gem_to_radeon_bo(gobj);
+
+ if (fb_tiled)
+ tiling_flags = RADEON_TILING_MACRO;
+
+#ifdef __BIG_ENDIAN
+ switch (cpp) {
+ case 4:
+ tiling_flags |= RADEON_TILING_SWAP_32BIT;
+ break;
+ case 2:
+ tiling_flags |= RADEON_TILING_SWAP_16BIT;
+ break;
+ default:
+ break;
+ }
+#endif
+
+ if (tiling_flags) {
+ ret = radeon_bo_set_tiling_flags(rbo,
+ tiling_flags | RADEON_TILING_SURFACE,
+ mode_cmd->pitches[0]);
+ if (ret)
+ dev_err(rdev->dev, "FB failed to set tiling flags\n");
+ }
+
+ ret = radeon_bo_reserve(rbo, false);
+ if (unlikely(ret != 0))
+ goto err_radeon_fbdev_destroy_pinned_object;
+ /* Only 27 bit offset for legacy CRTC */
+ ret = radeon_bo_pin_restricted(rbo, RADEON_GEM_DOMAIN_VRAM,
+ ASIC_IS_AVIVO(rdev) ? 0 : 1 << 27,
+ NULL);
+ if (ret) {
+ radeon_bo_unreserve(rbo);
+ goto err_radeon_fbdev_destroy_pinned_object;
+ }
+ if (fb_tiled)
+ radeon_bo_check_tiling(rbo, 0, 0);
+ ret = radeon_bo_kmap(rbo, NULL);
+ radeon_bo_unreserve(rbo);
+ if (ret)
+ goto err_radeon_fbdev_destroy_pinned_object;
+
+ *gobj_p = gobj;
+ return 0;
+
+err_radeon_fbdev_destroy_pinned_object:
+ radeon_fbdev_destroy_pinned_object(gobj);
+ *gobj_p = NULL;
+ return ret;
+}
+
+/*
+ * Fbdev ops and struct fb_ops
+ */
+
+static int radeon_fbdev_fb_open(struct fb_info *info, int user)
+{
+ struct drm_fb_helper *fb_helper = info->par;
+ struct radeon_device *rdev = fb_helper->dev->dev_private;
+ int ret;
+
+ ret = pm_runtime_get_sync(rdev->ddev->dev);
+ if (ret < 0 && ret != -EACCES)
+ goto err_pm_runtime_mark_last_busy;
+
+ return 0;
+
+err_pm_runtime_mark_last_busy:
+ pm_runtime_mark_last_busy(rdev->ddev->dev);
+ pm_runtime_put_autosuspend(rdev->ddev->dev);
+ return ret;
+}
+
+static int radeon_fbdev_fb_release(struct fb_info *info, int user)
+{
+ struct drm_fb_helper *fb_helper = info->par;
+ struct radeon_device *rdev = fb_helper->dev->dev_private;
+
+ pm_runtime_mark_last_busy(rdev->ddev->dev);
+ pm_runtime_put_autosuspend(rdev->ddev->dev);
+
+ return 0;
+}
+
+static void radeon_fbdev_fb_destroy(struct fb_info *info)
+{
+ struct drm_fb_helper *fb_helper = info->par;
+ struct drm_framebuffer *fb = fb_helper->fb;
+ struct drm_gem_object *gobj = drm_gem_fb_get_obj(fb, 0);
+
+ drm_fb_helper_fini(fb_helper);
+
+ drm_framebuffer_unregister_private(fb);
+ drm_framebuffer_cleanup(fb);
+ kfree(fb);
+ radeon_fbdev_destroy_pinned_object(gobj);
+
+ drm_client_release(&fb_helper->client);
+ drm_fb_helper_unprepare(fb_helper);
+ kfree(fb_helper);
+}
+
+static const struct fb_ops radeon_fbdev_fb_ops = {
+ .owner = THIS_MODULE,
+ DRM_FB_HELPER_DEFAULT_OPS,
+ .fb_open = radeon_fbdev_fb_open,
+ .fb_release = radeon_fbdev_fb_release,
+ .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_destroy = radeon_fbdev_fb_destroy,
+};
+
+/*
+ * Fbdev helpers and struct drm_fb_helper_funcs
+ */
+
+static int radeon_fbdev_fb_helper_fb_probe(struct drm_fb_helper *fb_helper,
+ struct drm_fb_helper_surface_size *sizes)
+{
+ struct radeon_device *rdev = fb_helper->dev->dev_private;
+ struct drm_mode_fb_cmd2 mode_cmd = { };
+ struct fb_info *info;
+ struct drm_gem_object *gobj;
+ struct radeon_bo *rbo;
+ struct drm_framebuffer *fb;
+ int ret;
+ unsigned long tmp;
+
+ mode_cmd.width = sizes->surface_width;
+ mode_cmd.height = sizes->surface_height;
+
+ /* avivo can't scanout real 24bpp */
+ if ((sizes->surface_bpp == 24) && ASIC_IS_AVIVO(rdev))
+ sizes->surface_bpp = 32;
+
+ mode_cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp,
+ sizes->surface_depth);
+
+ ret = radeon_fbdev_create_pinned_object(fb_helper, &mode_cmd, &gobj);
+ if (ret) {
+ DRM_ERROR("failed to create fbcon object %d\n", ret);
+ return ret;
+ }
+ rbo = gem_to_radeon_bo(gobj);
+
+ fb = kzalloc(sizeof(*fb), GFP_KERNEL);
+ if (!fb) {
+ ret = -ENOMEM;
+ goto err_radeon_fbdev_destroy_pinned_object;
+ }
+ ret = radeon_framebuffer_init(rdev->ddev, fb, &mode_cmd, gobj);
+ if (ret) {
+ DRM_ERROR("failed to initialize framebuffer %d\n", ret);
+ goto err_kfree;
+ }
+
+ /* setup helper */
+ fb_helper->fb = fb;
+
+ /* okay we have an object now allocate the framebuffer */
+ info = drm_fb_helper_alloc_info(fb_helper);
+ if (IS_ERR(info)) {
+ ret = PTR_ERR(info);
+ goto err_drm_framebuffer_unregister_private;
+ }
+
+ info->fbops = &radeon_fbdev_fb_ops;
+ info->flags = FBINFO_DEFAULT;
+ /* radeon resume is fragile and needs a vt switch to help it along */
+ info->skip_vt_switch = false;
+
+ drm_fb_helper_fill_info(info, fb_helper, sizes);
+
+ tmp = radeon_bo_gpu_offset(rbo) - rdev->mc.vram_start;
+ info->fix.smem_start = rdev->mc.aper_base + tmp;
+ info->fix.smem_len = radeon_bo_size(rbo);
+ info->screen_base = (__force void __iomem *)rbo->kptr;
+ info->screen_size = radeon_bo_size(rbo);
+
+ memset_io(info->screen_base, 0, info->screen_size);
+
+ /* Use default scratch pixmap (info->pixmap.flags = FB_PIXMAP_SYSTEM) */
+
+ DRM_INFO("fb mappable at 0x%lX\n", info->fix.smem_start);
+ DRM_INFO("vram apper at 0x%lX\n", (unsigned long)rdev->mc.aper_base);
+ DRM_INFO("size %lu\n", (unsigned long)radeon_bo_size(rbo));
+ DRM_INFO("fb depth is %d\n", fb->format->depth);
+ DRM_INFO(" pitch is %d\n", fb->pitches[0]);
+
+ return 0;
+
+err_drm_framebuffer_unregister_private:
+ fb_helper->fb = NULL;
+ drm_framebuffer_unregister_private(fb);
+ drm_framebuffer_cleanup(fb);
+err_kfree:
+ kfree(fb);
+err_radeon_fbdev_destroy_pinned_object:
+ radeon_fbdev_destroy_pinned_object(gobj);
+ return ret;
+}
+
+static const struct drm_fb_helper_funcs radeon_fbdev_fb_helper_funcs = {
+ .fb_probe = radeon_fbdev_fb_helper_fb_probe,
+};
+
+/*
+ * Fbdev client and struct drm_client_funcs
+ */
+
+static void radeon_fbdev_client_unregister(struct drm_client_dev *client)
+{
+ struct drm_fb_helper *fb_helper = drm_fb_helper_from_client(client);
+ struct drm_device *dev = fb_helper->dev;
+ struct radeon_device *rdev = dev->dev_private;
+
+ if (fb_helper->info) {
+ vga_switcheroo_client_fb_set(rdev->pdev, NULL);
+ drm_fb_helper_unregister_info(fb_helper);
+ } else {
+ drm_client_release(&fb_helper->client);
+ drm_fb_helper_unprepare(fb_helper);
+ kfree(fb_helper);
+ }
+}
+
+static int radeon_fbdev_client_restore(struct drm_client_dev *client)
+{
+ drm_fb_helper_lastclose(client->dev);
+ vga_switcheroo_process_delayed_switch();
+
+ return 0;
+}
+
+static int radeon_fbdev_client_hotplug(struct drm_client_dev *client)
+{
+ struct drm_fb_helper *fb_helper = drm_fb_helper_from_client(client);
+ struct drm_device *dev = client->dev;
+ struct radeon_device *rdev = dev->dev_private;
+ int ret;
+
+ if (dev->fb_helper)
+ return drm_fb_helper_hotplug_event(dev->fb_helper);
+
+ ret = drm_fb_helper_init(dev, fb_helper);
+ if (ret)
+ goto err_drm_err;
+
+ if (!drm_drv_uses_atomic_modeset(dev))
+ drm_helper_disable_unused_functions(dev);
+
+ ret = drm_fb_helper_initial_config(fb_helper);
+ if (ret)
+ goto err_drm_fb_helper_fini;
+
+ vga_switcheroo_client_fb_set(rdev->pdev, fb_helper->info);
+
+ return 0;
+
+err_drm_fb_helper_fini:
+ drm_fb_helper_fini(fb_helper);
+err_drm_err:
+ drm_err(dev, "Failed to setup radeon fbdev emulation (ret=%d)\n", ret);
+ return ret;
+}
+
+static const struct drm_client_funcs radeon_fbdev_client_funcs = {
+ .owner = THIS_MODULE,
+ .unregister = radeon_fbdev_client_unregister,
+ .restore = radeon_fbdev_client_restore,
+ .hotplug = radeon_fbdev_client_hotplug,
+};
+
+void radeon_fbdev_setup(struct radeon_device *rdev)
+{
+ struct drm_fb_helper *fb_helper;
+ int bpp_sel = 32;
+ int ret;
+
+ if (rdev->mc.real_vram_size <= (8 * 1024 * 1024))
+ bpp_sel = 8;
+ else if (ASIC_IS_RN50(rdev) || rdev->mc.real_vram_size <= (32 * 1024 * 1024))
+ bpp_sel = 16;
+
+ fb_helper = kzalloc(sizeof(*fb_helper), GFP_KERNEL);
+ if (!fb_helper)
+ return;
+ drm_fb_helper_prepare(rdev->ddev, fb_helper, bpp_sel, &radeon_fbdev_fb_helper_funcs);
+
+ ret = drm_client_init(rdev->ddev, &fb_helper->client, "radeon-fbdev",
+ &radeon_fbdev_client_funcs);
+ if (ret) {
+ drm_err(rdev->ddev, "Failed to register client: %d\n", ret);
+ goto err_drm_client_init;
+ }
+
+ ret = radeon_fbdev_client_hotplug(&fb_helper->client);
+ if (ret)
+ drm_dbg_kms(rdev->ddev, "client hotplug ret=%d\n", ret);
+
+ drm_client_register(&fb_helper->client);
+
+ return;
+
+err_drm_client_init:
+ drm_fb_helper_unprepare(fb_helper);
+ kfree(fb_helper);
+}
+
+void radeon_fbdev_set_suspend(struct radeon_device *rdev, int state)
+{
+ if (rdev->ddev->fb_helper)
+ drm_fb_helper_set_suspend(rdev->ddev->fb_helper, state);
+}
+
+bool radeon_fbdev_robj_is_fb(struct radeon_device *rdev, struct radeon_bo *robj)
+{
+ struct drm_fb_helper *fb_helper = rdev->ddev->fb_helper;
+ struct drm_gem_object *gobj;
+
+ if (!fb_helper)
+ return false;
+
+ gobj = drm_gem_fb_get_obj(fb_helper->fb, 0);
+ if (!gobj)
+ return false;
+ if (gobj != &robj->tbo.base)
+ return false;
+
+ return true;
+}
void dce8_program_fmt(struct drm_encoder *encoder);
/* fbdev layer */
+#if defined(CONFIG_DRM_FBDEV_EMULATION)
void radeon_fbdev_setup(struct radeon_device *rdev);
void radeon_fbdev_set_suspend(struct radeon_device *rdev, int state);
bool radeon_fbdev_robj_is_fb(struct radeon_device *rdev, struct radeon_bo *robj);
+#else
+static inline void radeon_fbdev_setup(struct radeon_device *rdev)
+{ }
+static inline void radeon_fbdev_set_suspend(struct radeon_device *rdev, int state)
+{ }
+static inline bool radeon_fbdev_robj_is_fb(struct radeon_device *rdev, struct radeon_bo *robj)
+{
+ return false;
+}
+#endif
void radeon_crtc_handle_vblank(struct radeon_device *rdev, int crtc_id);
projects / platform / kernel / linux-starfive.git / commitdiff