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Searched refs:mtrr (Results 1 – 25 of 54) sorted by relevance

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/openbmc/linux/Documentation/arch/x86/
H A Dmtrr.rst55 The CONFIG_MTRR option creates a /proc/mtrr file which may be used
61 There are two interfaces to /proc/mtrr: one is an ASCII interface
72 % cat /proc/mtrr
78 # echo "base=0xf8000000 size=0x400000 type=write-combining" >! /proc/mtrr
82 # echo "base=0xf8000000 size=0x400000 type=write-combining" >| /proc/mtrr
86 % cat /proc/mtrr
109 in other words the X server will manipulate /proc/mtrr using the
118 %echo "base=0xfb000000 size=0x1000000 type=write-combining" >/proc/mtrr
119 %echo "base=0xfb000000 size=0x1000 type=uncachable" >/proc/mtrr
123 % cat /proc/mtrr
[all …]
H A Dindex.rst22 mtrr
/openbmc/linux/lib/
H A Ddevres.c536 int *mtrr; in devm_arch_phys_wc_add() local
539 mtrr = devres_alloc_node(devm_arch_phys_ac_add_release, sizeof(*mtrr), GFP_KERNEL, in devm_arch_phys_wc_add()
541 if (!mtrr) in devm_arch_phys_wc_add()
546 devres_free(mtrr); in devm_arch_phys_wc_add()
550 *mtrr = ret; in devm_arch_phys_wc_add()
551 devres_add(dev, mtrr); in devm_arch_phys_wc_add()
/openbmc/linux/drivers/gpu/drm/nouveau/nvkm/subdev/pci/
H A Dagp.c100 arch_phys_wc_del(pci->agp.mtrr); in nvkm_agp_dtor()
136 pci->agp.mtrr = -1; in nvkm_agp_ctor()
173 pci->agp.mtrr = arch_phys_wc_add(pci->agp.base, pci->agp.size); in nvkm_agp_ctor()
/openbmc/linux/drivers/video/fbdev/
H A Dvesafb.c59 static int mtrr __read_mostly; /* disable mtrr */
233 mtrr = simple_strtoul(this_opt+5, NULL, 0); in vesafb_setup()
235 mtrr=0; in vesafb_setup()
422 if (mtrr == 3) { in vesafb_probe()
438 if (mtrr && mtrr != 3) in vesafb_probe()
H A Duvesafb.c47 static int mtrr = 3; /* enable mtrr by default */ variable
1519 if (mtrr && !(info->fix.smem_start & (PAGE_SIZE - 1))) { in uvesafb_init_mtrr()
1827 mtrr = simple_strtoul(this_opt+5, NULL, 0); in uvesafb_setup()
1829 mtrr = 0; in uvesafb_setup()
1855 if (mtrr != 3 && mtrr != 0) in uvesafb_setup()
1856 pr_warn("uvesafb: mtrr should be set to 0 or 3; %d is unsupported", mtrr); in uvesafb_setup()
1966 module_param(mtrr, uint, 0);
1967 MODULE_PARM_DESC(mtrr,
H A Dvt8623fb.c99 static int mtrr = 1; variable
109 module_param(mtrr, int, 0444);
110 MODULE_PARM_DESC(mtrr, "Enable write-combining with MTRR (1=enable, 0=disable, default=1)");
782 if (mtrr) in vt8623_pci_probe()
H A Di740fb.c35 static int mtrr = 1; variable
1147 if (mtrr) in i740fb_probe()
1273 mtrr = simple_strtoul(opt + 5, NULL, 0); in i740fb_setup()
1315 module_param(mtrr, int, 0444);
1316 MODULE_PARM_DESC(mtrr, "Enable write-combining with MTRR (1=enable, 0=disable, default=1)");
/openbmc/linux/arch/x86/kernel/cpu/mtrr/
H A Dgeneric.c134 struct mtrr_var_range *mtrr = mtrr_state.var_ranges + reg; in get_var_mtrr_state() local
136 if (!(mtrr->mask_lo & MTRR_PHYSMASK_V)) in get_var_mtrr_state()
139 *start = (((u64)mtrr->base_hi) << 32) + (mtrr->base_lo & PAGE_MASK); in get_var_mtrr_state()
140 *size = get_mtrr_size((((u64)mtrr->mask_hi) << 32) + in get_var_mtrr_state()
141 (mtrr->mask_lo & PAGE_MASK)); in get_var_mtrr_state()
143 return mtrr->base_lo & MTRR_PHYSBASE_TYPE; in get_var_mtrr_state()
H A DMakefile2 obj-y := mtrr.o if.o generic.o cleanup.o
/openbmc/u-boot/cmd/x86/
H A DMakefile3 obj-y += mtrr.o
H A Dmtrr.c131 mtrr, 6, 1, do_mtrr,
/openbmc/linux/Documentation/fb/
H A Dintel810.rst142 k. "mtrr"
192 vsync1:50,vsync2:85,accel,mtrr"
212 Example, to enable MTRR, include "mtrr=1".
220 vsync2=85 accel=1 mtrr=1
225 vsync2=85 accel=1 mtrr=1
H A Dvesafb.rst157 mtrr:n Setup memory type range registers for the vesafb framebuffer
167 old one. In this example, use "mtrr:2".
169 mtrr: type mismatch for e0000000,8000000 old: write-back new:
173 nomtrr disable mtrr
H A Dintelfb.rst69 g. "mtrr"
120 Example, to enable MTRR, include "mtrr=1".
H A Duvesafb.rst54 video=uvesafb:1024x768-32,mtrr:3,ywrap (compiled into the kernel)
56 # modprobe uvesafb mode_option=1024x768-32 mtrr=3 scroll=ywrap (module)
86 mtrr:n Setup memory type range registers for the framebuffer
/openbmc/linux/drivers/gpu/drm/nouveau/
H A Dnouveau_ttm.c324 drm->ttm.mtrr = arch_phys_wc_add(device->func->resource_addr(device, 1), in nouveau_ttm_init()
358 arch_phys_wc_del(drm->ttm.mtrr); in nouveau_ttm_fini()
359 drm->ttm.mtrr = 0; in nouveau_ttm_fini()
/openbmc/linux/Documentation/translations/zh_CN/core-api/
H A Dkernel-api.rst258 arch/x86/kernel/cpu/mtrr/mtrr.c
/openbmc/linux/drivers/gpu/drm/nouveau/include/nvkm/subdev/
H A Dpci.h22 int mtrr; member
/openbmc/u-boot/arch/x86/cpu/
H A DMakefile43 obj-y += mtrr.o
/openbmc/linux/drivers/gpu/drm/
H A Ddrm_ioc32.c173 int mtrr; /* MTRR slot used */ member
197 m32.mtrr = map.mtrr; in compat_drm_getmap()
226 m32.mtrr = map.mtrr; in compat_drm_addmap()
H A Ddrm_bufs.c188 map->mtrr = -1; in drm_addmap_core()
222 map->mtrr = in drm_addmap_core()
292 map->mtrr = dev->agp->agp_mtrr; /* for getmap */ in drm_addmap_core()
444 map->mtrr = -1; in drm_legacy_addmap_ioctl()
497 map->mtrr = arch_phys_wc_index(r_list->map->mtrr); in drm_legacy_getmap_ioctl()
541 arch_phys_wc_del(map->mtrr); in drm_legacy_rmmap_locked()
/openbmc/linux/arch/x86/kernel/cpu/
H A DMakefile47 obj-$(CONFIG_MTRR) += mtrr/
/openbmc/linux/arch/x86/kvm/
H A DMakefile13 i8254.o ioapic.o irq_comm.o cpuid.o pmu.o mtrr.o \
/openbmc/linux/drivers/staging/sm750fb/
H A Dsm750.h94 } mtrr; member

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