| 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; |
| |
| 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; |
| } |