diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index 22d4f0e22101..8fffac8c5c75 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -1209,11 +1209,14 @@ int drm_fb_helper_check_var(struct fb_var_screeninfo *var, if (var->pixclock != 0 || in_dbg_master()) return -EINVAL; - /* Need to resize the fb object !!! */ - if (var->bits_per_pixel > fb->bits_per_pixel || - var->xres > fb->width || var->yres > fb->height || - var->xres_virtual > fb->width || var->yres_virtual > fb->height) { - DRM_DEBUG("fb userspace requested width/height/bpp is greater than current fb " + /* + * Changes struct fb_var_screeninfo are currently not pushed back + * to KMS, hence fail if different settings are requested. + */ + if (var->bits_per_pixel != fb->bits_per_pixel || + var->xres != fb->width || var->yres != fb->height || + var->xres_virtual != fb->width || var->yres_virtual != fb->height) { + DRM_DEBUG("fb userspace requested width/height/bpp different than current fb " "request %dx%d-%d (virtual %dx%d) > %dx%d-%d\n", var->xres, var->yres, var->bits_per_pixel, var->xres_virtual, var->yres_virtual,