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Current Path: /usr/src/sys/dev/drm2

📁 ..
📄 drm.h(25.25 KB)
📄 drmP.h(60.47 KB)
📄 drm_agpsupport.c(12.05 KB)
📄 drm_atomic.h(3.48 KB)
📄 drm_auth.c(6.12 KB)
📄 drm_buffer.c(5.02 KB)
📄 drm_buffer.h(4.55 KB)
📄 drm_bufs.c(43.77 KB)
📄 drm_context.c(12.07 KB)
📄 drm_core.h(1.48 KB)
📄 drm_crtc.c(97.29 KB)
📄 drm_crtc.h(38.9 KB)
📄 drm_crtc_helper.c(31.32 KB)
📄 drm_crtc_helper.h(6.37 KB)
📄 drm_dma.c(4.04 KB)
📄 drm_dp_helper.c(4.5 KB)
📄 drm_dp_helper.h(12.35 KB)
📄 drm_dp_iic_helper.c(6.54 KB)
📄 drm_drv.c(17.48 KB)
📄 drm_edid.c(51.99 KB)
📄 drm_edid.h(7.55 KB)
📄 drm_edid_modes.h(33.57 KB)
📄 drm_fb_helper.c(38.84 KB)
📄 drm_fb_helper.h(4.21 KB)
📄 drm_fixed.h(2.23 KB)
📄 drm_fops.c(15.14 KB)
📄 drm_fourcc.h(7.93 KB)
📄 drm_gem.c(11.57 KB)
📄 drm_gem_names.c(5.59 KB)
📄 drm_gem_names.h(2.46 KB)
📄 drm_global.c(3.16 KB)
📄 drm_global.h(2.01 KB)
📄 drm_hashtab.c(4.94 KB)
📄 drm_hashtab.h(2.57 KB)
📄 drm_ioc32.c(21.88 KB)
📄 drm_ioctl.c(8.81 KB)
📄 drm_irq.c(41.03 KB)
📄 drm_linux_list.h(7.88 KB)
📄 drm_linux_list_sort.c(2.53 KB)
📄 drm_lock.c(10.27 KB)
📄 drm_mem_util.h(1.77 KB)
📄 drm_memory.c(3.78 KB)
📄 drm_mm.c(19.2 KB)
📄 drm_mm.h(8.52 KB)
📄 drm_mode.h(12.16 KB)
📄 drm_modes.c(33.66 KB)
📄 drm_os_freebsd.c(11.36 KB)
📄 drm_os_freebsd.h(17.72 KB)
📄 drm_pci.c(12.35 KB)
📄 drm_pciids.h(70.22 KB)
📄 drm_platform.c(4.58 KB)
📄 drm_sarea.h(2.64 KB)
📄 drm_scatter.c(3.58 KB)
📄 drm_stub.c(12.1 KB)
📄 drm_sysctl.c(9.99 KB)
📄 drm_vm.c(4.18 KB)
📁 ttm

Editing: drm_fixed.h

/*
 * Copyright 2009 Red Hat Inc.
 *
 * 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 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
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) 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.
 *
 * Authors: Dave Airlie
 */

#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");

#ifndef DRM_FIXED_H
#define DRM_FIXED_H

typedef union dfixed {
	u32 full;
} fixed20_12;

#define dfixed_const(A) (u32)(((A) << 12))/*  + ((B + 0.000122)*4096)) */
#define dfixed_const_half(A) (u32)(((A) << 12) + 2048)
#define dfixed_const_666(A) (u32)(((A) << 12) + 2731)
#define dfixed_const_8(A) (u32)(((A) << 12) + 3277)
#define dfixed_mul(A, B) ((u64)((u64)(A).full * (B).full + 2048) >> 12)
#define dfixed_init(A) { .full = dfixed_const((A)) }
#define dfixed_init_half(A) { .full = dfixed_const_half((A)) }
#define dfixed_trunc(A) ((A).full >> 12)
#define dfixed_frac(A) ((A).full & ((1 << 12) - 1))

static inline u32 dfixed_floor(fixed20_12 A)
{
	u32 non_frac = dfixed_trunc(A);

return dfixed_const(non_frac);
}

static inline u32 dfixed_ceil(fixed20_12 A)
{
	u32 non_frac = dfixed_trunc(A);

if (A.full > dfixed_const(non_frac))
		return dfixed_const(non_frac + 1);
	else
		return dfixed_const(non_frac);
}

static inline u32 dfixed_div(fixed20_12 A, fixed20_12 B)
{
	u64 tmp = ((u64)A.full << 13);

do_div(tmp, B.full);
	tmp += 1;
	tmp /= 2;
	return lower_32_bits(tmp);
}
#endif

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Editing: drm_fixed.h

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