Skip to main content

Browse the archive

https://github.com/torvalds/linux
23 October 2021, 00:29:24 UTC
Revision dd8849c8f59ec1cee4809a0c5e603e045abe860e authored by Jesse Barnes on 09 September 2010, 18:58:02 UTC, committed by Chris Wilson on 10 September 2010, 14:11:43 UTC 
drm/i915: don't enable self-refresh on Ironlake
 
We don't know how to enable it safely, especially as outputs turn on and
off.  When disabling LP1 we also need to make sure LP2 and 3 are already
disabled.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=29173
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=29082
Reported-by: Chris Lord <chris@linux.intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Tested-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: stable@kernel.org
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
1 parent 7839d95
Raw File
Tip revision: dd8849c8f59ec1cee4809a0c5e603e045abe860e authored by Jesse Barnes on 09 September 2010, 18:58:02 UTC
drm/i915: don't enable self-refresh on Ironlake
Tip revision: dd8849c
percpu_up.c 
/*
 * mm/percpu_up.c - dummy percpu memory allocator implementation for UP
 */

#include <linux/module.h>
#include <linux/percpu.h>
#include <linux/slab.h>

void __percpu *__alloc_percpu(size_t size, size_t align)
{
	/*
	 * Can't easily make larger alignment work with kmalloc.  WARN
	 * on it.  Larger alignment should only be used for module
	 * percpu sections on SMP for which this path isn't used.
	 */
	WARN_ON_ONCE(align > SMP_CACHE_BYTES);
	return kzalloc(size, GFP_KERNEL);
}
EXPORT_SYMBOL_GPL(__alloc_percpu);

void free_percpu(void __percpu *p)
{
	kfree(p);
}
EXPORT_SYMBOL_GPL(free_percpu);

phys_addr_t per_cpu_ptr_to_phys(void *addr)
{
	return __pa(addr);
}
back to top