> > Just as I thought. Even this breaks the nouveau driver. > > > > Could you now add also in the drm_fb_helper_fill_fix function > > > > DRM_INFO("pitch %d, depth %d\n", fb_helper->fb->pitch, > > ? ? ? ? ?fb_helper->fb->depth); > > > > I have a feeling the values are not right. Thanks. > > > > Please make an patch to test.
Done. I had to test the patch myself. No need to do a revert. Just apply this patch to linus tree. Then send the dmesg to me. Thanks. diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index 0307d60..beded14 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -609,6 +609,7 @@ EXPORT_SYMBOL(drm_fb_helper_fini); void drm_fb_helper_fill_fix(struct fb_info *info, struct drm_framebuffer *fb) { + DRM_INFO("pitch %d, depth %d\n", fb->pitch, fb->depth); info->fix.type = FB_TYPE_PACKED_PIXELS; info->fix.visual = fb->depth == 8 ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR; @@ -973,7 +974,6 @@ int drm_fb_helper_single_fb_probe(struct drm_fb_helper *fb_helper, if (new_fb) { info->var.pixclock = 0; - drm_fb_helper_fill_fix(info, fb_helper->fb); if (register_framebuffer(info) < 0) { return -EINVAL; } diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c b/drivers/gpu/drm/nouveau/nouveau_fbcon.c index a26d047..fe87319 100644 --- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c +++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c @@ -359,6 +359,7 @@ nouveau_fbcon_create(struct nouveau_fbdev *nfbdev, info->screen_base = nvbo_kmap_obj_iovirtual(nouveau_fb->nvbo); info->screen_size = size; + drm_fb_helper_fill_fix(info, fb); drm_fb_helper_fill_var(info, &nfbdev->helper, sizes->fb_width, sizes->fb_height); /* Set aperture base/size for vesafb takeover */