0,0 → 1,109 |
/** |
* \file drm_stub.h |
* Stub support |
* |
* \author Rickard E. (Rik) Faith <faith@valinux.com> |
*/ |
|
/* |
* Created: Fri Jan 19 10:48:35 2001 by faith@acm.org |
* |
* Copyright 2001 VA Linux Systems, Inc., Sunnyvale, California. |
* All Rights Reserved. |
* |
* Permission is hereby granted, free of charge, to any person obtaining a |
* copy of this software and associated documentation files (the "Software"), |
* to deal in the Software without restriction, including without limitation |
* the rights to use, copy, modify, merge, publish, distribute, sublicense, |
* and/or sell copies of the Software, and to permit persons to whom the |
* Software is furnished to do so, subject to the following conditions: |
* |
* The above copyright notice and this permission notice (including the next |
* paragraph) shall be included in all copies or substantial portions of the |
* Software. |
* |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
* PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR |
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
* DEALINGS IN THE SOFTWARE. |
*/ |
|
#include <linux/module.h> |
|
#include <linux/slab.h> |
#include <drm/drmP.h> |
|
struct va_format { |
const char *fmt; |
va_list *va; |
}; |
|
unsigned int drm_debug = 0; /* 1 to enable debug output */ |
EXPORT_SYMBOL(drm_debug); |
|
unsigned int drm_vblank_offdelay = 5000; /* Default to 5000 msecs. */ |
EXPORT_SYMBOL(drm_vblank_offdelay); |
|
unsigned int drm_timestamp_precision = 20; /* Default to 20 usecs. */ |
EXPORT_SYMBOL(drm_timestamp_precision); |
|
int drm_err(const char *func, const char *format, ...) |
{ |
struct va_format vaf; |
va_list args; |
int r; |
|
va_start(args, format); |
|
vaf.fmt = format; |
vaf.va = &args; |
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r = printk(KERN_ERR "[" DRM_NAME ":%s] *ERROR* %pV", func, &vaf); |
|
va_end(args); |
|
return r; |
} |
EXPORT_SYMBOL(drm_err); |
|
void drm_ut_debug_printk(unsigned int request_level, |
const char *prefix, |
const char *function_name, |
const char *format, ...) |
{ |
va_list args; |
|
// if (drm_debug & request_level) { |
// if (function_name) |
// printk(KERN_DEBUG "[%s:%s], ", prefix, function_name); |
// va_start(args, format); |
// vprintk(format, args); |
// va_end(args); |
// } |
} |
EXPORT_SYMBOL(drm_ut_debug_printk); |
|
/** |
* Compute size order. Returns the exponent of the smaller power of two which |
* is greater or equal to given number. |
* |
* \param size size. |
* \return order. |
* |
* \todo Can be made faster. |
*/ |
int drm_order(unsigned long size) |
{ |
int order; |
unsigned long tmp; |
|
for (order = 0, tmp = size >> 1; tmp; tmp >>= 1, order++) ; |
|
if (size & (size - 1)) |
++order; |
|
return order; |
} |