There's nothing special about hibmc's fbdev emulation that is not provided by the generic implementation. Switch over and remove the driver's code.
Signed-off-by: Thomas Zimmermann tzimmermann@suse.de Reviewed-by: Daniel Vetter daniel.vetter@ffwll.ch Acked-by: Sam Ravnborg sam@ravnborg.org --- drivers/gpu/drm/hisilicon/hibmc/Makefile | 2 +- .../gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c | 5 +- .../gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h | 11 - .../gpu/drm/hisilicon/hibmc/hibmc_drm_fbdev.c | 240 ------------------ 4 files changed, 3 insertions(+), 255 deletions(-) delete mode 100644 drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_fbdev.c
diff --git a/drivers/gpu/drm/hisilicon/hibmc/Makefile b/drivers/gpu/drm/hisilicon/hibmc/Makefile index 0c2d4296bccd..f99132715597 100644 --- a/drivers/gpu/drm/hisilicon/hibmc/Makefile +++ b/drivers/gpu/drm/hisilicon/hibmc/Makefile @@ -1,4 +1,4 @@ # SPDX-License-Identifier: GPL-2.0-only -hibmc-drm-y := hibmc_drm_drv.o hibmc_drm_de.o hibmc_drm_vdac.o hibmc_drm_fbdev.o hibmc_ttm.o +hibmc-drm-y := hibmc_drm_drv.o hibmc_drm_de.o hibmc_drm_vdac.o hibmc_ttm.o
obj-$(CONFIG_DRM_HISI_HIBMC) += hibmc-drm.o diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c index 2fd4ca91a62d..113d27b8a8f1 100644 --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c @@ -17,6 +17,7 @@
#include <drm/drm_atomic_helper.h> #include <drm/drm_drv.h> +#include <drm/drm_fb_helper.h> #include <drm/drm_gem_vram_helper.h> #include <drm/drm_irq.h> #include <drm/drm_print.h> @@ -247,8 +248,6 @@ static int hibmc_unload(struct drm_device *dev) { struct hibmc_drm_private *priv = dev->dev_private;
- hibmc_fbdev_fini(priv); - drm_atomic_helper_shutdown(dev);
if (dev->irq_enabled) @@ -307,7 +306,7 @@ static int hibmc_load(struct drm_device *dev) /* reset all the states of crtc/plane/encoder/connector */ drm_mode_config_reset(dev);
- ret = hibmc_fbdev_init(priv); + ret = drm_fbdev_generic_setup(dev, 16); if (ret) { DRM_ERROR("failed to initialize fbdev: %d\n", ret); goto err; diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h index e58ecd7edcf8..b34493ead30b 100644 --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h @@ -25,12 +25,6 @@ struct hibmc_framebuffer { struct drm_gem_object *obj; };
-struct hibmc_fbdev { - struct drm_fb_helper helper; /* must be first */ - struct hibmc_framebuffer *fb; - int size; -}; - struct hibmc_drm_private { /* hw */ void __iomem *mmio; @@ -42,9 +36,6 @@ struct hibmc_drm_private { /* drm */ struct drm_device *dev; bool mode_config_initialized; - - /* fbdev */ - struct hibmc_fbdev *fbdev; };
#define to_hibmc_framebuffer(x) container_of(x, struct hibmc_framebuffer, fb) @@ -56,8 +47,6 @@ void hibmc_set_current_gate(struct hibmc_drm_private *priv,
int hibmc_de_init(struct hibmc_drm_private *priv); int hibmc_vdac_init(struct hibmc_drm_private *priv); -int hibmc_fbdev_init(struct hibmc_drm_private *priv); -void hibmc_fbdev_fini(struct hibmc_drm_private *priv);
int hibmc_gem_create(struct drm_device *dev, u32 size, bool iskernel, struct drm_gem_object **obj); diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_fbdev.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_fbdev.c deleted file mode 100644 index b4c1cea051e8..000000000000 --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_fbdev.c +++ /dev/null @@ -1,240 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* Hisilicon Hibmc SoC drm driver - * - * Based on the bochs drm driver. - * - * Copyright (c) 2016 Huawei Limited. - * - * Author: - * Rongrong Zou zourongrong@huawei.com - * Rongrong Zou zourongrong@gmail.com - * Jianhua Li lijianhua@huawei.com - */ - -#include <drm/drm_crtc.h> -#include <drm/drm_fb_helper.h> -#include <drm/drm_fourcc.h> -#include <drm/drm_gem_vram_helper.h> -#include <drm/drm_probe_helper.h> - -#include "hibmc_drm_drv.h" - -static int hibmcfb_create_object( - struct hibmc_drm_private *priv, - const struct drm_mode_fb_cmd2 *mode_cmd, - struct drm_gem_object **gobj_p) -{ - struct drm_gem_object *gobj; - struct drm_device *dev = priv->dev; - u32 size; - int ret = 0; - - size = mode_cmd->pitches[0] * mode_cmd->height; - ret = hibmc_gem_create(dev, size, true, &gobj); - if (ret) - return ret; - - *gobj_p = gobj; - return ret; -} - -static struct fb_ops hibmc_drm_fb_ops = { - .owner = THIS_MODULE, - .fb_check_var = drm_fb_helper_check_var, - .fb_set_par = drm_fb_helper_set_par, - .fb_fillrect = drm_fb_helper_sys_fillrect, - .fb_copyarea = drm_fb_helper_sys_copyarea, - .fb_imageblit = drm_fb_helper_sys_imageblit, - .fb_pan_display = drm_fb_helper_pan_display, - .fb_blank = drm_fb_helper_blank, - .fb_setcmap = drm_fb_helper_setcmap, -}; - -static int hibmc_drm_fb_create(struct drm_fb_helper *helper, - struct drm_fb_helper_surface_size *sizes) -{ - struct hibmc_fbdev *hi_fbdev = - container_of(helper, struct hibmc_fbdev, helper); - struct hibmc_drm_private *priv = helper->dev->dev_private; - struct fb_info *info; - struct drm_mode_fb_cmd2 mode_cmd; - struct drm_gem_object *gobj = NULL; - int ret = 0; - size_t size; - unsigned int bytes_per_pixel; - struct drm_gem_vram_object *gbo = NULL; - void *base; - - DRM_DEBUG_DRIVER("surface width(%d), height(%d) and bpp(%d)\n", - sizes->surface_width, sizes->surface_height, - sizes->surface_bpp); - - bytes_per_pixel = DIV_ROUND_UP(sizes->surface_bpp, 8); - - mode_cmd.width = sizes->surface_width; - mode_cmd.height = sizes->surface_height; - mode_cmd.pitches[0] = mode_cmd.width * bytes_per_pixel; - mode_cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp, - sizes->surface_depth); - - size = PAGE_ALIGN(mode_cmd.pitches[0] * mode_cmd.height); - - ret = hibmcfb_create_object(priv, &mode_cmd, &gobj); - if (ret) { - DRM_ERROR("failed to create fbcon backing object: %d\n", ret); - return -ENOMEM; - } - - gbo = drm_gem_vram_of_gem(gobj); - - ret = drm_gem_vram_pin(gbo, DRM_GEM_VRAM_PL_FLAG_VRAM); - if (ret) { - DRM_ERROR("failed to pin fbcon: %d\n", ret); - goto out_unref_gem; - } - - base = drm_gem_vram_kmap(gbo, true, NULL); - if (IS_ERR(base)) { - ret = PTR_ERR(base); - DRM_ERROR("failed to kmap fbcon: %d\n", ret); - goto out_unpin_bo; - } - - info = drm_fb_helper_alloc_fbi(helper); - if (IS_ERR(info)) { - ret = PTR_ERR(info); - DRM_ERROR("failed to allocate fbi: %d\n", ret); - goto out_release_fbi; - } - - hi_fbdev->fb = hibmc_framebuffer_init(priv->dev, &mode_cmd, gobj); - if (IS_ERR(hi_fbdev->fb)) { - ret = PTR_ERR(hi_fbdev->fb); - hi_fbdev->fb = NULL; - DRM_ERROR("failed to initialize framebuffer: %d\n", ret); - goto out_release_fbi; - } - - priv->fbdev->size = size; - hi_fbdev->helper.fb = &hi_fbdev->fb->fb; - - info->fbops = &hibmc_drm_fb_ops; - - drm_fb_helper_fill_info(info, &priv->fbdev->helper, sizes); - - info->screen_base = base; - info->screen_size = size; - - info->fix.smem_start = gbo->bo.mem.bus.offset + gbo->bo.mem.bus.base; - info->fix.smem_len = size; - return 0; - -out_release_fbi: - drm_gem_vram_kunmap(gbo); -out_unpin_bo: - drm_gem_vram_unpin(gbo); -out_unref_gem: - drm_gem_object_put_unlocked(gobj); - - return ret; -} - -static void hibmc_fbdev_destroy(struct hibmc_fbdev *fbdev) -{ - struct hibmc_framebuffer *gfb = fbdev->fb; - struct drm_fb_helper *fbh = &fbdev->helper; - - drm_fb_helper_unregister_fbi(fbh); - - drm_fb_helper_fini(fbh); - - if (gfb) - drm_framebuffer_put(&gfb->fb); -} - -static const struct drm_fb_helper_funcs hibmc_fbdev_helper_funcs = { - .fb_probe = hibmc_drm_fb_create, -}; - -int hibmc_fbdev_init(struct hibmc_drm_private *priv) -{ - int ret; - struct fb_var_screeninfo *var; - struct fb_fix_screeninfo *fix; - struct hibmc_fbdev *hifbdev; - - hifbdev = devm_kzalloc(priv->dev->dev, sizeof(*hifbdev), GFP_KERNEL); - if (!hifbdev) { - DRM_ERROR("failed to allocate hibmc_fbdev\n"); - return -ENOMEM; - } - - priv->fbdev = hifbdev; - drm_fb_helper_prepare(priv->dev, &hifbdev->helper, - &hibmc_fbdev_helper_funcs); - - /* Now just one crtc and one channel */ - ret = drm_fb_helper_init(priv->dev, &hifbdev->helper, 1); - if (ret) { - DRM_ERROR("failed to initialize fb helper: %d\n", ret); - return ret; - } - - ret = drm_fb_helper_single_add_all_connectors(&hifbdev->helper); - if (ret) { - DRM_ERROR("failed to add all connectors: %d\n", ret); - goto fini; - } - - ret = drm_fb_helper_initial_config(&hifbdev->helper, 16); - if (ret) { - DRM_ERROR("failed to setup initial conn config: %d\n", ret); - goto fini; - } - - var = &hifbdev->helper.fbdev->var; - fix = &hifbdev->helper.fbdev->fix; - - DRM_DEBUG_DRIVER("Member of info->var is :\n" - "xres=%d\n" - "yres=%d\n" - "xres_virtual=%d\n" - "yres_virtual=%d\n" - "xoffset=%d\n" - "yoffset=%d\n" - "bits_per_pixel=%d\n" - "...\n", var->xres, var->yres, var->xres_virtual, - var->yres_virtual, var->xoffset, var->yoffset, - var->bits_per_pixel); - DRM_DEBUG_DRIVER("Member of info->fix is :\n" - "smem_start=%lx\n" - "smem_len=%d\n" - "type=%d\n" - "type_aux=%d\n" - "visual=%d\n" - "xpanstep=%d\n" - "ypanstep=%d\n" - "ywrapstep=%d\n" - "line_length=%d\n" - "accel=%d\n" - "capabilities=%d\n" - "...\n", fix->smem_start, fix->smem_len, fix->type, - fix->type_aux, fix->visual, fix->xpanstep, - fix->ypanstep, fix->ywrapstep, fix->line_length, - fix->accel, fix->capabilities); - - return 0; - -fini: - drm_fb_helper_fini(&hifbdev->helper); - return ret; -} - -void hibmc_fbdev_fini(struct hibmc_drm_private *priv) -{ - if (!priv->fbdev) - return; - - hibmc_fbdev_destroy(priv->fbdev); - priv->fbdev = NULL; -}