From 0424d7ba4574ba3fcfd68c567becb5e90547e4f9 Mon Sep 17 00:00:00 2001 From: Hans de Goede Date: Tue, 18 Sep 2018 19:44:34 +0200 Subject: [PATCH] staging: vboxvideo: Init fb_info.fix.smem once from fbdev_create The fbdev compat fb gets pinned into VRAM at creation and then gets pinned a second time when set as scanout buffer and unpinned when replaced, this means its pin count never becomes less then 1, so it is always at the same address and there is no need for the vbox_fbdev_set_base() call. Signed-off-by: Hans de Goede Signed-off-by: Greg Kroah-Hartman --- drivers/staging/vboxvideo/vbox_drv.h | 1 - drivers/staging/vboxvideo/vbox_fb.c | 14 +++++--------- drivers/staging/vboxvideo/vbox_mode.c | 3 --- 3 files changed, 5 insertions(+), 13 deletions(-) diff --git a/drivers/staging/vboxvideo/vbox_drv.h b/drivers/staging/vboxvideo/vbox_drv.h index 28ffdff..5034c6b 100644 --- a/drivers/staging/vboxvideo/vbox_drv.h +++ b/drivers/staging/vboxvideo/vbox_drv.h @@ -201,7 +201,6 @@ int vbox_framebuffer_init(struct vbox_private *vbox, int vbox_fbdev_init(struct vbox_private *vbox); void vbox_fbdev_fini(struct vbox_private *vbox); -void vbox_fbdev_set_base(struct vbox_private *vbox, unsigned long gpu_addr); struct vbox_bo { struct ttm_buffer_object bo; diff --git a/drivers/staging/vboxvideo/vbox_fb.c b/drivers/staging/vboxvideo/vbox_fb.c index 11b6364..0e5550f 100644 --- a/drivers/staging/vboxvideo/vbox_fb.c +++ b/drivers/staging/vboxvideo/vbox_fb.c @@ -80,6 +80,7 @@ static int vboxfb_create(struct drm_fb_helper *helper, struct drm_gem_object *gobj; struct vbox_bo *bo; int size, ret; + u64 gpu_addr; u32 pitch; mode_cmd.width = sizes->surface_width; @@ -107,7 +108,7 @@ static int vboxfb_create(struct drm_fb_helper *helper, if (ret) return ret; - ret = vbox_bo_pin(bo, TTM_PL_FLAG_VRAM, NULL); + ret = vbox_bo_pin(bo, TTM_PL_FLAG_VRAM, &gpu_addr); if (ret) { vbox_bo_unreserve(bo); return ret; @@ -152,6 +153,9 @@ static int vboxfb_create(struct drm_fb_helper *helper, drm_fb_helper_fill_var(info, &fbdev->helper, sizes->fb_width, sizes->fb_height); + info->fix.smem_start = info->apertures->ranges[0].base + gpu_addr; + info->fix.smem_len = vbox->available_vram_size - gpu_addr; + info->screen_base = (char __iomem *)bo->kmap.virtual; info->screen_size = size; @@ -241,11 +245,3 @@ err_fini: drm_fb_helper_fini(&fbdev->helper); return ret; } - -void vbox_fbdev_set_base(struct vbox_private *vbox, unsigned long gpu_addr) -{ - struct fb_info *fbdev = vbox->fbdev->helper.fbdev; - - fbdev->fix.smem_start = fbdev->apertures->ranges[0].base + gpu_addr; - fbdev->fix.smem_len = vbox->available_vram_size - gpu_addr; -} diff --git a/drivers/staging/vboxvideo/vbox_mode.c b/drivers/staging/vboxvideo/vbox_mode.c index f35045c..6d7a895 100644 --- a/drivers/staging/vboxvideo/vbox_mode.c +++ b/drivers/staging/vboxvideo/vbox_mode.c @@ -276,9 +276,6 @@ static int vbox_crtc_set_base_and_mode(struct drm_crtc *crtc, /* Commit: Update hardware to use the new fb */ mutex_lock(&vbox->hw_mutex); - if (&vbox->fbdev->afb == to_vbox_framebuffer(new_fb)) - vbox_fbdev_set_base(vbox, gpu_addr); - vbox_crtc->fb_offset = gpu_addr; /* vbox_do_modeset() checks vbox->single_framebuffer so update it now */ -- 2.7.4