Re: [PATCH] drm: dumb scanout create/mmap for intel/radeon (v3)

On Fri, 7 Jan 2011 09:16:51 +1000, Dave Airlie airlied@gmail.com wrote:

+int +i915_gem_dumb_create(struct drm_file *file,

•      struct drm_device *dev,
  

•      struct drm_mode_create_dumb *args)
  

+{

• /* have to work out size/pitch and return them */
• args->pitch = ALIGN(args->width & ((args->bpp + 1) / 8), 64);

^ oops I think you meant args->width * ((args->bpp + 7) /8)

• args->size = args->pitch * args->height;
• return i915_gem_create(file, dev,

• 	       args->size, &args->handle);
  

+}

The only issue with the dumb libkms fb is the transition to X. Is the nature of the dumb fb such that we would be prohibited from blitting to the X fb, or can we use platform specific knowledge to know how we can abuse it? -Chris