1 /* i915_dma.c -- DMA support for the I915 -*- linux-c -*-
4 * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the
9 * "Software"), to deal in the Software without restriction, including
10 * without limitation the rights to use, copy, modify, merge, publish,
11 * distribute, sub license, and/or sell copies of the Software, and to
12 * permit persons to whom the Software is furnished to do so, subject to
13 * the following conditions:
15 * The above copyright notice and this permission notice (including the
16 * next paragraph) shall be included in all copies or substantial portions
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
20 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
21 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
22 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
23 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
24 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
25 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
29 #include <linux/async.h>
31 #include <drm/drm_crtc_helper.h>
32 #include <drm/drm_fb_helper.h>
33 #include <drm/drm_legacy.h>
34 #include "intel_drv.h"
35 #include <drm/i915_drm.h>
37 #include "i915_vgpu.h"
40 static int i915_getparam(struct drm_device *dev, void *data,
41 struct drm_file *file_priv)
43 struct drm_i915_private *dev_priv = dev->dev_private;
44 drm_i915_getparam_t *param = data;
47 switch (param->param) {
48 case I915_PARAM_IRQ_ACTIVE:
49 case I915_PARAM_ALLOW_BATCHBUFFER:
50 case I915_PARAM_LAST_DISPATCH:
51 /* Reject all old ums/dri params. */
53 case I915_PARAM_CHIPSET_ID:
54 value = dev->pdev->device;
56 case I915_PARAM_REVISION:
57 value = dev->pdev->revision;
59 case I915_PARAM_HAS_GEM:
62 case I915_PARAM_NUM_FENCES_AVAIL:
63 value = dev_priv->num_fence_regs;
65 case I915_PARAM_HAS_OVERLAY:
66 value = dev_priv->overlay ? 1 : 0;
68 case I915_PARAM_HAS_PAGEFLIPPING:
71 case I915_PARAM_HAS_EXECBUF2:
75 case I915_PARAM_HAS_BSD:
76 value = intel_ring_initialized(&dev_priv->ring[VCS]);
78 case I915_PARAM_HAS_BLT:
79 value = intel_ring_initialized(&dev_priv->ring[BCS]);
81 case I915_PARAM_HAS_VEBOX:
82 value = intel_ring_initialized(&dev_priv->ring[VECS]);
84 case I915_PARAM_HAS_BSD2:
85 value = intel_ring_initialized(&dev_priv->ring[VCS2]);
87 case I915_PARAM_HAS_RELAXED_FENCING:
90 case I915_PARAM_HAS_COHERENT_RINGS:
93 case I915_PARAM_HAS_EXEC_CONSTANTS:
94 value = INTEL_INFO(dev)->gen >= 4;
96 case I915_PARAM_HAS_RELAXED_DELTA:
99 case I915_PARAM_HAS_GEN7_SOL_RESET:
102 case I915_PARAM_HAS_LLC:
103 value = HAS_LLC(dev);
105 case I915_PARAM_HAS_WT:
108 case I915_PARAM_HAS_ALIASING_PPGTT:
109 value = USES_PPGTT(dev);
111 case I915_PARAM_HAS_WAIT_TIMEOUT:
114 case I915_PARAM_HAS_SEMAPHORES:
115 value = i915_semaphore_is_enabled(dev);
117 case I915_PARAM_HAS_PINNED_BATCHES:
120 case I915_PARAM_HAS_EXEC_NO_RELOC:
123 case I915_PARAM_HAS_EXEC_HANDLE_LUT:
126 case I915_PARAM_CMD_PARSER_VERSION:
127 value = i915_cmd_parser_get_version();
129 case I915_PARAM_HAS_COHERENT_PHYS_GTT:
132 case I915_PARAM_SUBSLICE_TOTAL:
133 value = INTEL_INFO(dev)->subslice_total;
137 case I915_PARAM_EU_TOTAL:
138 value = INTEL_INFO(dev)->eu_total;
142 case I915_PARAM_HAS_GPU_RESET:
143 value = i915.enable_hangcheck &&
144 intel_has_gpu_reset(dev);
146 case I915_PARAM_HAS_RESOURCE_STREAMER:
147 value = HAS_RESOURCE_STREAMER(dev);
150 DRM_DEBUG("Unknown parameter %d\n", param->param);
154 if (copy_to_user(param->value, &value, sizeof(int))) {
155 DRM_ERROR("copy_to_user failed\n");
162 static int i915_get_bridge_dev(struct drm_device *dev)
164 struct drm_i915_private *dev_priv = dev->dev_private;
165 static struct pci_dev i915_bridge_dev;
167 i915_bridge_dev.dev.bsddev = pci_find_dbsf(0, 0, 0, 0);
168 if (!i915_bridge_dev.dev.bsddev) {
169 DRM_ERROR("bridge device not found\n");
173 dev_priv->bridge_dev = &i915_bridge_dev;
177 #define MCHBAR_I915 0x44
178 #define MCHBAR_I965 0x48
179 #define MCHBAR_SIZE (4*4096)
181 #define DEVEN_REG 0x54
182 #define DEVEN_MCHBAR_EN (1 << 28)
184 /* Allocate space for the MCH regs if needed, return nonzero on error */
186 intel_alloc_mchbar_resource(struct drm_device *dev)
188 struct drm_i915_private *dev_priv = dev->dev_private;
189 int reg = INTEL_INFO(dev)->gen >= 4 ? MCHBAR_I965 : MCHBAR_I915;
191 u32 temp_lo, temp_hi = 0;
194 if (INTEL_INFO(dev)->gen >= 4)
195 pci_read_config_dword(dev_priv->bridge_dev, reg + 4, &temp_hi);
196 pci_read_config_dword(dev_priv->bridge_dev, reg, &temp_lo);
197 mchbar_addr = ((u64)temp_hi << 32) | temp_lo;
199 /* If ACPI doesn't have it, assume we need to allocate it ourselves */
202 pnp_range_reserved(mchbar_addr, mchbar_addr + MCHBAR_SIZE))
206 /* Get some space for it */
207 vga = device_get_parent(dev->dev->bsddev);
208 dev_priv->mch_res_rid = 0x100;
209 dev_priv->mch_res = BUS_ALLOC_RESOURCE(device_get_parent(vga),
210 dev->dev->bsddev, SYS_RES_MEMORY, &dev_priv->mch_res_rid, 0, ~0UL,
211 MCHBAR_SIZE, RF_ACTIVE | RF_SHAREABLE, -1);
212 if (dev_priv->mch_res == NULL) {
213 DRM_ERROR("failed mchbar resource alloc\n");
217 if (INTEL_INFO(dev)->gen >= 4)
218 pci_write_config_dword(dev_priv->bridge_dev, reg + 4,
219 upper_32_bits(rman_get_start(dev_priv->mch_res)));
221 pci_write_config_dword(dev_priv->bridge_dev, reg,
222 lower_32_bits(rman_get_start(dev_priv->mch_res)));
226 /* Setup MCHBAR if possible, return true if we should disable it again */
228 intel_setup_mchbar(struct drm_device *dev)
230 struct drm_i915_private *dev_priv = dev->dev_private;
231 int mchbar_reg = INTEL_INFO(dev)->gen >= 4 ? MCHBAR_I965 : MCHBAR_I915;
235 if (IS_VALLEYVIEW(dev))
238 dev_priv->mchbar_need_disable = false;
240 if (IS_I915G(dev) || IS_I915GM(dev)) {
241 pci_read_config_dword(dev_priv->bridge_dev, DEVEN_REG, &temp);
242 enabled = !!(temp & DEVEN_MCHBAR_EN);
244 pci_read_config_dword(dev_priv->bridge_dev, mchbar_reg, &temp);
248 /* If it's already enabled, don't have to do anything */
252 if (intel_alloc_mchbar_resource(dev))
255 dev_priv->mchbar_need_disable = true;
257 /* Space is allocated or reserved, so enable it. */
258 if (IS_I915G(dev) || IS_I915GM(dev)) {
259 pci_write_config_dword(dev_priv->bridge_dev, DEVEN_REG,
260 temp | DEVEN_MCHBAR_EN);
262 pci_read_config_dword(dev_priv->bridge_dev, mchbar_reg, &temp);
263 pci_write_config_dword(dev_priv->bridge_dev, mchbar_reg, temp | 1);
268 intel_teardown_mchbar(struct drm_device *dev)
270 struct drm_i915_private *dev_priv = dev->dev_private;
271 int mchbar_reg = INTEL_INFO(dev)->gen >= 4 ? MCHBAR_I965 : MCHBAR_I915;
275 if (dev_priv->mchbar_need_disable) {
276 if (IS_I915G(dev) || IS_I915GM(dev)) {
277 pci_read_config_dword(dev_priv->bridge_dev, DEVEN_REG, &temp);
278 temp &= ~DEVEN_MCHBAR_EN;
279 pci_write_config_dword(dev_priv->bridge_dev, DEVEN_REG, temp);
281 pci_read_config_dword(dev_priv->bridge_dev, mchbar_reg, &temp);
283 pci_write_config_dword(dev_priv->bridge_dev, mchbar_reg, temp);
287 if (dev_priv->mch_res != NULL) {
288 vga = device_get_parent(dev->dev->bsddev);
289 BUS_DEACTIVATE_RESOURCE(device_get_parent(vga), dev->dev->bsddev,
290 SYS_RES_MEMORY, dev_priv->mch_res_rid, dev_priv->mch_res);
291 BUS_RELEASE_RESOURCE(device_get_parent(vga), dev->dev->bsddev,
292 SYS_RES_MEMORY, dev_priv->mch_res_rid, dev_priv->mch_res);
293 dev_priv->mch_res = NULL;
298 /* true = enable decode, false = disable decoder */
299 static unsigned int i915_vga_set_decode(void *cookie, bool state)
301 struct drm_device *dev = cookie;
303 intel_modeset_vga_set_state(dev, state);
305 return VGA_RSRC_LEGACY_IO | VGA_RSRC_LEGACY_MEM |
306 VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM;
308 return VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM;
311 static void i915_switcheroo_set_state(struct pci_dev *pdev, enum vga_switcheroo_state state)
313 struct drm_device *dev = pci_get_drvdata(pdev);
314 pm_message_t pmm = { .event = PM_EVENT_SUSPEND };
316 if (state == VGA_SWITCHEROO_ON) {
317 pr_info("switched on\n");
318 dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
319 /* i915 resume handler doesn't set to D0 */
320 pci_set_power_state(dev->pdev, PCI_D0);
321 i915_resume_switcheroo(dev);
322 dev->switch_power_state = DRM_SWITCH_POWER_ON;
324 pr_err("switched off\n");
325 dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
326 i915_suspend_switcheroo(dev, pmm);
327 dev->switch_power_state = DRM_SWITCH_POWER_OFF;
331 static bool i915_switcheroo_can_switch(struct pci_dev *pdev)
333 struct drm_device *dev = pci_get_drvdata(pdev);
336 * FIXME: open_count is protected by drm_global_mutex but that would lead to
337 * locking inversion with the driver load path. And the access here is
338 * completely racy anyway. So don't bother with locking for now.
340 return dev->open_count == 0;
343 static const struct vga_switcheroo_client_ops i915_switcheroo_ops = {
344 .set_gpu_state = i915_switcheroo_set_state,
346 .can_switch = i915_switcheroo_can_switch,
350 static int i915_load_modeset_init(struct drm_device *dev)
352 struct drm_i915_private *dev_priv = dev->dev_private;
355 ret = intel_parse_bios(dev);
357 DRM_INFO("failed to find VBIOS tables\n");
360 /* If we have > 1 VGA cards, then we need to arbitrate access
361 * to the common VGA resources.
363 * If we are a secondary display controller (!PCI_DISPLAY_CLASS_VGA),
364 * then we do not take part in VGA arbitration and the
365 * vga_client_register() fails with -ENODEV.
367 ret = vga_client_register(dev->pdev, dev, NULL, i915_vga_set_decode);
368 if (ret && ret != -ENODEV)
371 intel_register_dsm_handler();
373 ret = vga_switcheroo_register_client(dev->pdev, &i915_switcheroo_ops, false);
375 goto cleanup_vga_client;
377 /* Initialise stolen first so that we may reserve preallocated
378 * objects for the BIOS to KMS transition.
380 ret = i915_gem_init_stolen(dev);
382 goto cleanup_vga_switcheroo;
385 intel_power_domains_init_hw(dev_priv);
387 ret = intel_irq_install(dev_priv);
389 goto cleanup_gem_stolen;
391 /* Important: The output setup functions called by modeset_init need
392 * working irqs for e.g. gmbus and dp aux transfers. */
393 intel_modeset_init(dev);
395 intel_guc_ucode_init(dev);
397 ret = i915_gem_init(dev);
401 intel_modeset_gem_init(dev);
403 /* Always safe in the mode setting case. */
404 /* FIXME: do pre/post-mode set stuff in core KMS code */
405 dev->vblank_disable_allowed = 1;
406 if (INTEL_INFO(dev)->num_pipes == 0)
409 ret = intel_fbdev_init(dev);
413 /* Only enable hotplug handling once the fbdev is fully set up. */
414 intel_hpd_init(dev_priv);
417 * Some ports require correctly set-up hpd registers for detection to
418 * work properly (leading to ghost connected connector status), e.g. VGA
419 * on gm45. Hence we can only set up the initial fbdev config after hpd
420 * irqs are fully enabled. Now we should scan for the initial config
421 * only once hotplug handling is enabled, but due to screwed-up locking
422 * around kms/fbdev init we can't protect the fdbev initial config
423 * scanning against hotplug events. Hence do this first and ignore the
424 * tiny window where we will loose hotplug notifactions.
426 async_schedule(intel_fbdev_initial_config, dev_priv);
428 drm_kms_helper_poll_init(dev);
433 mutex_lock(&dev->struct_mutex);
434 i915_gem_cleanup_ringbuffer(dev);
435 i915_gem_context_fini(dev);
436 mutex_unlock(&dev->struct_mutex);
438 intel_guc_ucode_fini(dev);
439 drm_irq_uninstall(dev);
441 i915_gem_cleanup_stolen(dev);
443 cleanup_vga_switcheroo:
444 vga_switcheroo_unregister_client(dev->pdev);
446 vga_client_register(dev->pdev, NULL, NULL, NULL);
452 #if IS_ENABLED(CONFIG_FB)
453 static int i915_kick_out_firmware_fb(struct drm_i915_private *dev_priv)
455 struct apertures_struct *ap;
456 struct pci_dev *pdev = dev_priv->dev->pdev;
460 ap = alloc_apertures(1);
464 ap->ranges[0].base = dev_priv->gtt.mappable_base;
465 ap->ranges[0].size = dev_priv->gtt.mappable_end;
468 pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
470 ret = remove_conflicting_framebuffers(ap, "inteldrmfb", primary);
477 static int i915_kick_out_firmware_fb(struct drm_i915_private *dev_priv)
483 #if !defined(CONFIG_VGA_CONSOLE)
484 static int i915_kick_out_vgacon(struct drm_i915_private *dev_priv)
488 #elif !defined(CONFIG_DUMMY_CONSOLE)
489 static int i915_kick_out_vgacon(struct drm_i915_private *dev_priv)
494 static int i915_kick_out_vgacon(struct drm_i915_private *dev_priv)
498 DRM_INFO("Replacing VGA console driver\n");
501 if (con_is_bound(&vga_con))
502 ret = do_take_over_console(&dummy_con, 0, MAX_NR_CONSOLES - 1, 1);
504 ret = do_unregister_con_driver(&vga_con);
506 /* Ignore "already unregistered". */
516 static void i915_dump_device_info(struct drm_i915_private *dev_priv)
519 const struct intel_device_info *info = &dev_priv->info;
521 #define PRINT_S(name) "%s"
523 #define PRINT_FLAG(name) info->name ? #name "," : ""
525 DRM_DEBUG_DRIVER("i915 device info: gen=%i, pciid=0x%04x rev=0x%02x flags="
526 DEV_INFO_FOR_EACH_FLAG(PRINT_S, SEP_EMPTY),
528 dev_priv->dev->pdev->device,
529 dev_priv->dev->pdev->revision,
530 DEV_INFO_FOR_EACH_FLAG(PRINT_FLAG, SEP_COMMA));
538 static void cherryview_sseu_info_init(struct drm_device *dev)
540 struct drm_i915_private *dev_priv = dev->dev_private;
541 struct intel_device_info *info;
544 info = (struct intel_device_info *)&dev_priv->info;
545 fuse = I915_READ(CHV_FUSE_GT);
547 info->slice_total = 1;
549 if (!(fuse & CHV_FGT_DISABLE_SS0)) {
550 info->subslice_per_slice++;
551 eu_dis = fuse & (CHV_FGT_EU_DIS_SS0_R0_MASK |
552 CHV_FGT_EU_DIS_SS0_R1_MASK);
553 info->eu_total += 8 - hweight32(eu_dis);
556 if (!(fuse & CHV_FGT_DISABLE_SS1)) {
557 info->subslice_per_slice++;
558 eu_dis = fuse & (CHV_FGT_EU_DIS_SS1_R0_MASK |
559 CHV_FGT_EU_DIS_SS1_R1_MASK);
560 info->eu_total += 8 - hweight32(eu_dis);
563 info->subslice_total = info->subslice_per_slice;
565 * CHV expected to always have a uniform distribution of EU
568 info->eu_per_subslice = info->subslice_total ?
569 info->eu_total / info->subslice_total :
572 * CHV supports subslice power gating on devices with more than
573 * one subslice, and supports EU power gating on devices with
574 * more than one EU pair per subslice.
576 info->has_slice_pg = 0;
577 info->has_subslice_pg = (info->subslice_total > 1);
578 info->has_eu_pg = (info->eu_per_subslice > 2);
581 static void gen9_sseu_info_init(struct drm_device *dev)
583 struct drm_i915_private *dev_priv = dev->dev_private;
584 struct intel_device_info *info;
585 int s_max = 3, ss_max = 4, eu_max = 8;
587 u32 fuse2, s_enable, ss_disable, eu_disable;
590 info = (struct intel_device_info *)&dev_priv->info;
591 fuse2 = I915_READ(GEN8_FUSE2);
592 s_enable = (fuse2 & GEN8_F2_S_ENA_MASK) >>
594 ss_disable = (fuse2 & GEN9_F2_SS_DIS_MASK) >>
595 GEN9_F2_SS_DIS_SHIFT;
597 info->slice_total = hweight32(s_enable);
599 * The subslice disable field is global, i.e. it applies
600 * to each of the enabled slices.
602 info->subslice_per_slice = ss_max - hweight32(ss_disable);
603 info->subslice_total = info->slice_total *
604 info->subslice_per_slice;
607 * Iterate through enabled slices and subslices to
608 * count the total enabled EU.
610 for (s = 0; s < s_max; s++) {
611 if (!(s_enable & (0x1 << s)))
612 /* skip disabled slice */
615 eu_disable = I915_READ(GEN9_EU_DISABLE(s));
616 for (ss = 0; ss < ss_max; ss++) {
619 if (ss_disable & (0x1 << ss))
620 /* skip disabled subslice */
623 eu_per_ss = eu_max - hweight8((eu_disable >> (ss*8)) &
627 * Record which subslice(s) has(have) 7 EUs. we
628 * can tune the hash used to spread work among
629 * subslices if they are unbalanced.
632 info->subslice_7eu[s] |= 1 << ss;
634 info->eu_total += eu_per_ss;
639 * SKL is expected to always have a uniform distribution
640 * of EU across subslices with the exception that any one
641 * EU in any one subslice may be fused off for die
642 * recovery. BXT is expected to be perfectly uniform in EU
645 info->eu_per_subslice = info->subslice_total ?
646 DIV_ROUND_UP(info->eu_total,
647 info->subslice_total) : 0;
649 * SKL supports slice power gating on devices with more than
650 * one slice, and supports EU power gating on devices with
651 * more than one EU pair per subslice. BXT supports subslice
652 * power gating on devices with more than one subslice, and
653 * supports EU power gating on devices with more than one EU
656 info->has_slice_pg = (IS_SKYLAKE(dev) && (info->slice_total > 1));
657 info->has_subslice_pg = (IS_BROXTON(dev) && (info->subslice_total > 1));
658 info->has_eu_pg = (info->eu_per_subslice > 2);
661 static void broadwell_sseu_info_init(struct drm_device *dev)
663 struct drm_i915_private *dev_priv = dev->dev_private;
664 struct intel_device_info *info;
665 const int s_max = 3, ss_max = 3, eu_max = 8;
667 u32 fuse2, eu_disable[s_max], s_enable, ss_disable;
669 fuse2 = I915_READ(GEN8_FUSE2);
670 s_enable = (fuse2 & GEN8_F2_S_ENA_MASK) >> GEN8_F2_S_ENA_SHIFT;
671 ss_disable = (fuse2 & GEN8_F2_SS_DIS_MASK) >> GEN8_F2_SS_DIS_SHIFT;
673 eu_disable[0] = I915_READ(GEN8_EU_DISABLE0) & GEN8_EU_DIS0_S0_MASK;
674 eu_disable[1] = (I915_READ(GEN8_EU_DISABLE0) >> GEN8_EU_DIS0_S1_SHIFT) |
675 ((I915_READ(GEN8_EU_DISABLE1) & GEN8_EU_DIS1_S1_MASK) <<
676 (32 - GEN8_EU_DIS0_S1_SHIFT));
677 eu_disable[2] = (I915_READ(GEN8_EU_DISABLE1) >> GEN8_EU_DIS1_S2_SHIFT) |
678 ((I915_READ(GEN8_EU_DISABLE2) & GEN8_EU_DIS2_S2_MASK) <<
679 (32 - GEN8_EU_DIS1_S2_SHIFT));
682 info = (struct intel_device_info *)&dev_priv->info;
683 info->slice_total = hweight32(s_enable);
686 * The subslice disable field is global, i.e. it applies
687 * to each of the enabled slices.
689 info->subslice_per_slice = ss_max - hweight32(ss_disable);
690 info->subslice_total = info->slice_total * info->subslice_per_slice;
693 * Iterate through enabled slices and subslices to
694 * count the total enabled EU.
696 for (s = 0; s < s_max; s++) {
697 if (!(s_enable & (0x1 << s)))
698 /* skip disabled slice */
701 for (ss = 0; ss < ss_max; ss++) {
704 if (ss_disable & (0x1 << ss))
705 /* skip disabled subslice */
708 n_disabled = hweight8(eu_disable[s] >> (ss * eu_max));
711 * Record which subslices have 7 EUs.
713 if (eu_max - n_disabled == 7)
714 info->subslice_7eu[s] |= 1 << ss;
716 info->eu_total += eu_max - n_disabled;
721 * BDW is expected to always have a uniform distribution of EU across
722 * subslices with the exception that any one EU in any one subslice may
723 * be fused off for die recovery.
725 info->eu_per_subslice = info->subslice_total ?
726 DIV_ROUND_UP(info->eu_total, info->subslice_total) : 0;
729 * BDW supports slice power gating on devices with more than
732 info->has_slice_pg = (info->slice_total > 1);
733 info->has_subslice_pg = 0;
738 * Determine various intel_device_info fields at runtime.
740 * Use it when either:
741 * - it's judged too laborious to fill n static structures with the limit
742 * when a simple if statement does the job,
743 * - run-time checks (eg read fuse/strap registers) are needed.
745 * This function needs to be called:
746 * - after the MMIO has been setup as we are reading registers,
747 * - after the PCH has been detected,
748 * - before the first usage of the fields it can tweak.
750 static void intel_device_info_runtime_init(struct drm_device *dev)
752 struct drm_i915_private *dev_priv = dev->dev_private;
753 struct intel_device_info *info;
756 info = (struct intel_device_info *)&dev_priv->info;
759 * Skylake and Broxton currently don't expose the topmost plane as its
760 * use is exclusive with the legacy cursor and we only want to expose
761 * one of those, not both. Until we can safely expose the topmost plane
762 * as a DRM_PLANE_TYPE_CURSOR with all the features exposed/supported,
763 * we don't expose the topmost plane at all to prevent ABI breakage
766 if (IS_BROXTON(dev)) {
767 info->num_sprites[PIPE_A] = 2;
768 info->num_sprites[PIPE_B] = 2;
769 info->num_sprites[PIPE_C] = 1;
770 } else if (IS_VALLEYVIEW(dev))
771 for_each_pipe(dev_priv, pipe)
772 info->num_sprites[pipe] = 2;
774 for_each_pipe(dev_priv, pipe)
775 info->num_sprites[pipe] = 1;
777 if (i915.disable_display) {
778 DRM_INFO("Display disabled (module parameter)\n");
780 } else if (info->num_pipes > 0 &&
781 (INTEL_INFO(dev)->gen == 7 || INTEL_INFO(dev)->gen == 8) &&
782 !IS_VALLEYVIEW(dev)) {
783 u32 fuse_strap = I915_READ(FUSE_STRAP);
784 u32 sfuse_strap = I915_READ(SFUSE_STRAP);
787 * SFUSE_STRAP is supposed to have a bit signalling the display
788 * is fused off. Unfortunately it seems that, at least in
789 * certain cases, fused off display means that PCH display
790 * reads don't land anywhere. In that case, we read 0s.
792 * On CPT/PPT, we can detect this case as SFUSE_STRAP_FUSE_LOCK
793 * should be set when taking over after the firmware.
795 if (fuse_strap & ILK_INTERNAL_DISPLAY_DISABLE ||
796 sfuse_strap & SFUSE_STRAP_DISPLAY_DISABLED ||
797 (dev_priv->pch_type == PCH_CPT &&
798 !(sfuse_strap & SFUSE_STRAP_FUSE_LOCK))) {
799 DRM_INFO("Display fused off, disabling\n");
804 /* Initialize slice/subslice/EU info */
805 if (IS_CHERRYVIEW(dev))
806 cherryview_sseu_info_init(dev);
807 else if (IS_BROADWELL(dev))
808 broadwell_sseu_info_init(dev);
809 else if (INTEL_INFO(dev)->gen >= 9)
810 gen9_sseu_info_init(dev);
812 DRM_DEBUG_DRIVER("slice total: %u\n", info->slice_total);
813 DRM_DEBUG_DRIVER("subslice total: %u\n", info->subslice_total);
814 DRM_DEBUG_DRIVER("subslice per slice: %u\n", info->subslice_per_slice);
815 DRM_DEBUG_DRIVER("EU total: %u\n", info->eu_total);
816 DRM_DEBUG_DRIVER("EU per subslice: %u\n", info->eu_per_subslice);
817 DRM_DEBUG_DRIVER("has slice power gating: %s\n",
818 info->has_slice_pg ? "y" : "n");
819 DRM_DEBUG_DRIVER("has subslice power gating: %s\n",
820 info->has_subslice_pg ? "y" : "n");
821 DRM_DEBUG_DRIVER("has EU power gating: %s\n",
822 info->has_eu_pg ? "y" : "n");
825 static void intel_init_dpio(struct drm_i915_private *dev_priv)
827 if (!IS_VALLEYVIEW(dev_priv))
831 * IOSF_PORT_DPIO is used for VLV x2 PHY (DP/HDMI B and C),
832 * CHV x1 PHY (DP/HDMI D)
833 * IOSF_PORT_DPIO_2 is used for CHV x2 PHY (DP/HDMI B and C)
835 if (IS_CHERRYVIEW(dev_priv)) {
836 DPIO_PHY_IOSF_PORT(DPIO_PHY0) = IOSF_PORT_DPIO_2;
837 DPIO_PHY_IOSF_PORT(DPIO_PHY1) = IOSF_PORT_DPIO;
839 DPIO_PHY_IOSF_PORT(DPIO_PHY0) = IOSF_PORT_DPIO;
844 * i915_driver_load - setup chip and create an initial config
846 * @flags: startup flags
848 * The driver load routine has to do several things:
849 * - drive output discovery via intel_modeset_init()
850 * - initialize the memory manager
851 * - allocate initial config memory
852 * - setup the DRM framebuffer with the allocated memory
854 int i915_driver_load(struct drm_device *dev, unsigned long flags)
856 struct drm_i915_private *dev_priv;
857 struct intel_device_info *info, *device_info;
858 int ret = 0, mmio_bar, mmio_size;
859 uint32_t aperture_size;
861 /* XXX: struct pci_dev */
862 info = i915_get_device_id(dev->pdev->device);
864 dev_priv = kzalloc(sizeof(*dev_priv), GFP_KERNEL);
865 if (dev_priv == NULL)
868 dev->dev_private = dev_priv;
871 /* Setup the write-once "constant" device info */
872 device_info = (struct intel_device_info *)&dev_priv->info;
873 memcpy(device_info, info, sizeof(dev_priv->info));
874 device_info->device_id = dev->pdev->device;
876 lockinit(&dev_priv->irq_lock, "userirq", 0, LK_CANRECURSE);
877 lockinit(&dev_priv->gpu_error.lock, "915err", 0, LK_CANRECURSE);
878 lockinit(&dev_priv->backlight_lock, "i915bl", 0, LK_CANRECURSE);
879 lockinit(&dev_priv->uncore.lock, "915gt", 0, LK_CANRECURSE);
880 spin_init(&dev_priv->mm.object_stat_lock, "i915osl");
881 spin_init(&dev_priv->mmio_flip_lock, "i915mfl");
882 lockinit(&dev_priv->sb_lock, "i915sbl", 0, LK_CANRECURSE);
883 lockinit(&dev_priv->modeset_restore_lock, "i915mrl", 0, LK_CANRECURSE);
884 lockinit(&dev_priv->csr_lock, "i915csr", 0, LK_CANRECURSE);
885 lockinit(&dev_priv->av_mutex, "i915am", 0, LK_CANRECURSE);
889 intel_display_crc_init(dev);
891 i915_dump_device_info(dev_priv);
893 /* Not all pre-production machines fall into this category, only the
894 * very first ones. Almost everything should work, except for maybe
895 * suspend/resume. And we don't implement workarounds that affect only
896 * pre-production machines. */
897 if (IS_HSW_EARLY_SDV(dev))
898 DRM_INFO("This is an early pre-production Haswell machine. "
899 "It may not be fully functional.\n");
901 if (i915_get_bridge_dev(dev)) {
906 mmio_bar = IS_GEN2(dev) ? 1 : 0;
907 /* Before gen4, the registers and the GTT are behind different BARs.
908 * However, from gen4 onwards, the registers and the GTT are shared
909 * in the same BAR, so we want to restrict this ioremap from
910 * clobbering the GTT which we want ioremap_wc instead. Fortunately,
911 * the register BAR remains the same size for all the earlier
912 * generations up to Ironlake.
915 mmio_size = 512*1024;
917 mmio_size = 2*1024*1024;
919 dev_priv->regs = pci_iomap(dev->pdev, mmio_bar, mmio_size);
920 if (!dev_priv->regs) {
921 DRM_ERROR("failed to map registers\n");
926 /* This must be called before any calls to HAS_PCH_* */
927 intel_detect_pch(dev);
929 intel_uncore_init(dev);
931 /* Load CSR Firmware for SKL */
932 intel_csr_ucode_init(dev);
934 ret = i915_gem_gtt_init(dev);
938 /* WARNING: Apparently we must kick fbdev drivers before vgacon,
939 * otherwise the vga fbdev driver falls over. */
940 ret = i915_kick_out_firmware_fb(dev_priv);
942 DRM_ERROR("failed to remove conflicting framebuffer drivers\n");
946 ret = i915_kick_out_vgacon(dev_priv);
948 DRM_ERROR("failed to remove conflicting VGA console\n");
953 pci_set_master(dev->pdev);
955 /* overlay on gen2 is broken and can't address above 1G */
957 dma_set_coherent_mask(&dev->pdev->dev, DMA_BIT_MASK(30));
959 /* 965GM sometimes incorrectly writes to hardware status page (HWS)
960 * using 32bit addressing, overwriting memory if HWS is located
963 * The documentation also mentions an issue with undefined
964 * behaviour if any general state is accessed within a page above 4GB,
965 * which also needs to be handled carefully.
967 if (IS_BROADWATER(dev) || IS_CRESTLINE(dev))
968 dma_set_coherent_mask(&dev->pdev->dev, DMA_BIT_MASK(32));
971 aperture_size = dev_priv->gtt.mappable_end;
973 dev_priv->gtt.mappable =
974 io_mapping_create_wc(dev_priv->gtt.mappable_base,
976 if (dev_priv->gtt.mappable == NULL) {
981 dev_priv->gtt.mtrr = arch_phys_wc_add(dev_priv->gtt.mappable_base,
984 /* The i915 workqueue is primarily used for batched retirement of
985 * requests (and thus managing bo) once the task has been completed
986 * by the GPU. i915_gem_retire_requests() is called directly when we
987 * need high-priority retirement, such as waiting for an explicit
990 * It is also used for periodic low-priority events, such as
991 * idle-timers and recording error state.
993 * All tasks on the workqueue are expected to acquire the dev mutex
994 * so there is no point in running more than one instance of the
995 * workqueue at any time. Use an ordered one.
997 dev_priv->wq = alloc_ordered_workqueue("i915", 0);
998 if (dev_priv->wq == NULL) {
999 DRM_ERROR("Failed to create our workqueue.\n");
1004 dev_priv->hotplug.dp_wq = alloc_ordered_workqueue("i915-dp", 0);
1005 if (dev_priv->hotplug.dp_wq == NULL) {
1006 DRM_ERROR("Failed to create our dp workqueue.\n");
1011 dev_priv->gpu_error.hangcheck_wq =
1012 alloc_ordered_workqueue("i915-hangcheck", 0);
1013 if (dev_priv->gpu_error.hangcheck_wq == NULL) {
1014 DRM_ERROR("Failed to create our hangcheck workqueue.\n");
1019 intel_irq_init(dev_priv);
1020 intel_uncore_sanitize(dev);
1022 /* Try to make sure MCHBAR is enabled before poking at it */
1023 intel_setup_mchbar(dev);
1024 intel_setup_gmbus(dev);
1025 intel_opregion_setup(dev);
1029 /* On the 945G/GM, the chipset reports the MSI capability on the
1030 * integrated graphics even though the support isn't actually there
1031 * according to the published specs. It doesn't appear to function
1032 * correctly in testing on 945G.
1033 * This may be a side effect of MSI having been made available for PEG
1034 * and the registers being closely associated.
1036 * According to chipset errata, on the 965GM, MSI interrupts may
1037 * be lost or delayed, but we use them anyways to avoid
1038 * stuck interrupts on some machines.
1041 if (!IS_I945G(dev) && !IS_I945GM(dev))
1042 pci_enable_msi(dev->pdev);
1045 intel_device_info_runtime_init(dev);
1047 intel_init_dpio(dev_priv);
1049 if (INTEL_INFO(dev)->num_pipes) {
1050 ret = drm_vblank_init(dev, INTEL_INFO(dev)->num_pipes);
1052 goto out_gem_unload;
1055 intel_power_domains_init(dev_priv);
1057 ret = i915_load_modeset_init(dev);
1059 DRM_ERROR("failed to init modeset\n");
1060 goto out_power_well;
1064 * Notify a valid surface after modesetting,
1065 * when running inside a VM.
1067 if (intel_vgpu_active(dev))
1068 I915_WRITE(vgtif_reg(display_ready), VGT_DRV_DISPLAY_READY);
1070 i915_setup_sysfs(dev);
1072 if (INTEL_INFO(dev)->num_pipes) {
1073 /* Must be done after probing outputs */
1074 intel_opregion_init(dev);
1076 acpi_video_register();
1081 intel_gpu_ips_init(dev_priv);
1083 intel_runtime_pm_enable(dev_priv);
1085 i915_audio_component_init(dev_priv);
1090 intel_power_domains_fini(dev_priv);
1091 drm_vblank_cleanup(dev);
1094 intel_teardown_gmbus(dev);
1095 intel_teardown_mchbar(dev);
1096 pm_qos_remove_request(&dev_priv->pm_qos);
1097 destroy_workqueue(dev_priv->gpu_error.hangcheck_wq);
1099 destroy_workqueue(dev_priv->hotplug.dp_wq);
1101 destroy_workqueue(dev_priv->wq);
1103 arch_phys_wc_del(dev_priv->gtt.mtrr);
1105 io_mapping_free(dev_priv->gtt.mappable);
1108 i915_global_gtt_cleanup(dev);
1110 intel_csr_ucode_fini(dev);
1111 intel_uncore_fini(dev);
1113 pci_iounmap(dev->pdev, dev_priv->regs);
1116 pci_dev_put(dev_priv->bridge_dev);
1122 int i915_driver_unload(struct drm_device *dev)
1124 struct drm_i915_private *dev_priv = dev->dev_private;
1127 i915_audio_component_cleanup(dev_priv);
1129 ret = i915_gem_suspend(dev);
1131 DRM_ERROR("failed to idle hardware: %d\n", ret);
1135 intel_power_domains_fini(dev_priv);
1137 intel_gpu_ips_teardown();
1139 i915_teardown_sysfs(dev);
1142 WARN_ON(unregister_oom_notifier(&dev_priv->mm.oom_notifier));
1143 unregister_shrinker(&dev_priv->mm.shrinker);
1145 io_mapping_free(dev_priv->gtt.mappable);
1147 arch_phys_wc_del(dev_priv->gtt.mtrr);
1150 acpi_video_unregister();
1153 intel_fbdev_fini(dev);
1155 drm_vblank_cleanup(dev);
1157 intel_modeset_cleanup(dev);
1160 * free the memory space allocated for the child device
1161 * config parsed from VBT
1163 if (dev_priv->vbt.child_dev && dev_priv->vbt.child_dev_num) {
1164 kfree(dev_priv->vbt.child_dev);
1165 dev_priv->vbt.child_dev = NULL;
1166 dev_priv->vbt.child_dev_num = 0;
1168 kfree(dev_priv->vbt.sdvo_lvds_vbt_mode);
1169 dev_priv->vbt.sdvo_lvds_vbt_mode = NULL;
1170 kfree(dev_priv->vbt.lfp_lvds_vbt_mode);
1171 dev_priv->vbt.lfp_lvds_vbt_mode = NULL;
1174 vga_switcheroo_unregister_client(dev->pdev);
1175 vga_client_register(dev->pdev, NULL, NULL, NULL);
1178 /* Free error state after interrupts are fully disabled. */
1179 cancel_delayed_work_sync(&dev_priv->gpu_error.hangcheck_work);
1181 i915_destroy_error_state(dev);
1183 if (dev->pdev->msi_enabled)
1184 pci_disable_msi(dev->pdev);
1187 intel_opregion_fini(dev);
1189 /* Flush any outstanding unpin_work. */
1190 flush_workqueue(dev_priv->wq);
1192 intel_guc_ucode_fini(dev);
1193 mutex_lock(&dev->struct_mutex);
1194 i915_gem_cleanup_ringbuffer(dev);
1195 i915_gem_context_fini(dev);
1196 mutex_unlock(&dev->struct_mutex);
1197 intel_fbc_cleanup_cfb(dev_priv);
1198 i915_gem_cleanup_stolen(dev);
1200 intel_csr_ucode_fini(dev);
1202 intel_teardown_gmbus(dev);
1203 intel_teardown_mchbar(dev);
1205 destroy_workqueue(dev_priv->hotplug.dp_wq);
1206 destroy_workqueue(dev_priv->wq);
1207 destroy_workqueue(dev_priv->gpu_error.hangcheck_wq);
1208 pm_qos_remove_request(&dev_priv->pm_qos);
1210 i915_global_gtt_cleanup(dev);
1212 intel_uncore_fini(dev);
1214 if (dev_priv->regs != NULL)
1215 pci_iounmap(dev->pdev, dev_priv->regs);
1218 pci_dev_put(dev_priv->bridge_dev);
1224 int i915_driver_open(struct drm_device *dev, struct drm_file *file)
1228 ret = i915_gem_open(dev, file);
1236 * i915_driver_lastclose - clean up after all DRM clients have exited
1239 * Take care of cleaning up after all DRM clients have exited. In the
1240 * mode setting case, we want to restore the kernel's initial mode (just
1241 * in case the last client left us in a bad state).
1243 * Additionally, in the non-mode setting case, we'll tear down the GTT
1244 * and DMA structures, since the kernel won't be using them, and clea
1247 void i915_driver_lastclose(struct drm_device *dev)
1249 intel_fbdev_restore_mode(dev);
1251 vga_switcheroo_process_delayed_switch();
1255 void i915_driver_preclose(struct drm_device *dev, struct drm_file *file)
1257 mutex_lock(&dev->struct_mutex);
1258 i915_gem_context_close(dev, file);
1259 i915_gem_release(dev, file);
1260 mutex_unlock(&dev->struct_mutex);
1262 intel_modeset_preclose(dev, file);
1265 void i915_driver_postclose(struct drm_device *dev, struct drm_file *file)
1267 struct drm_i915_file_private *file_priv = file->driver_priv;
1269 if (file_priv && file_priv->bsd_ring)
1270 file_priv->bsd_ring = NULL;
1275 i915_gem_reject_pin_ioctl(struct drm_device *dev, void *data,
1276 struct drm_file *file)
1281 const struct drm_ioctl_desc i915_ioctls[] = {
1282 DRM_IOCTL_DEF_DRV(I915_INIT, drm_noop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
1283 DRM_IOCTL_DEF_DRV(I915_FLUSH, drm_noop, DRM_AUTH),
1284 DRM_IOCTL_DEF_DRV(I915_FLIP, drm_noop, DRM_AUTH),
1285 DRM_IOCTL_DEF_DRV(I915_BATCHBUFFER, drm_noop, DRM_AUTH),
1286 DRM_IOCTL_DEF_DRV(I915_IRQ_EMIT, drm_noop, DRM_AUTH),
1287 DRM_IOCTL_DEF_DRV(I915_IRQ_WAIT, drm_noop, DRM_AUTH),
1288 DRM_IOCTL_DEF_DRV(I915_GETPARAM, i915_getparam, DRM_AUTH|DRM_RENDER_ALLOW|DRM_UNLOCKED),
1289 DRM_IOCTL_DEF_DRV(I915_SETPARAM, drm_noop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
1290 DRM_IOCTL_DEF_DRV(I915_ALLOC, drm_noop, DRM_AUTH),
1291 DRM_IOCTL_DEF_DRV(I915_FREE, drm_noop, DRM_AUTH),
1292 DRM_IOCTL_DEF_DRV(I915_INIT_HEAP, drm_noop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
1293 DRM_IOCTL_DEF_DRV(I915_CMDBUFFER, drm_noop, DRM_AUTH),
1294 DRM_IOCTL_DEF_DRV(I915_DESTROY_HEAP, drm_noop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
1295 DRM_IOCTL_DEF_DRV(I915_SET_VBLANK_PIPE, drm_noop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
1296 DRM_IOCTL_DEF_DRV(I915_GET_VBLANK_PIPE, drm_noop, DRM_AUTH),
1297 DRM_IOCTL_DEF_DRV(I915_VBLANK_SWAP, drm_noop, DRM_AUTH),
1298 DRM_IOCTL_DEF_DRV(I915_HWS_ADDR, drm_noop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
1299 DRM_IOCTL_DEF_DRV(I915_GEM_INIT, drm_noop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY|DRM_UNLOCKED),
1300 DRM_IOCTL_DEF_DRV(I915_GEM_EXECBUFFER, i915_gem_execbuffer, DRM_AUTH|DRM_UNLOCKED),
1301 DRM_IOCTL_DEF_DRV(I915_GEM_EXECBUFFER2, i915_gem_execbuffer2, DRM_AUTH|DRM_UNLOCKED|DRM_RENDER_ALLOW),
1302 DRM_IOCTL_DEF_DRV(I915_GEM_PIN, i915_gem_reject_pin_ioctl, DRM_AUTH|DRM_ROOT_ONLY|DRM_UNLOCKED),
1303 DRM_IOCTL_DEF_DRV(I915_GEM_UNPIN, i915_gem_reject_pin_ioctl, DRM_AUTH|DRM_ROOT_ONLY|DRM_UNLOCKED),
1304 DRM_IOCTL_DEF_DRV(I915_GEM_BUSY, i915_gem_busy_ioctl, DRM_AUTH|DRM_UNLOCKED|DRM_RENDER_ALLOW),
1305 DRM_IOCTL_DEF_DRV(I915_GEM_SET_CACHING, i915_gem_set_caching_ioctl, DRM_UNLOCKED|DRM_RENDER_ALLOW),
1306 DRM_IOCTL_DEF_DRV(I915_GEM_GET_CACHING, i915_gem_get_caching_ioctl, DRM_UNLOCKED|DRM_RENDER_ALLOW),
1307 DRM_IOCTL_DEF_DRV(I915_GEM_THROTTLE, i915_gem_throttle_ioctl, DRM_AUTH|DRM_UNLOCKED|DRM_RENDER_ALLOW),
1308 DRM_IOCTL_DEF_DRV(I915_GEM_ENTERVT, drm_noop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY|DRM_UNLOCKED),
1309 DRM_IOCTL_DEF_DRV(I915_GEM_LEAVEVT, drm_noop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY|DRM_UNLOCKED),
1310 DRM_IOCTL_DEF_DRV(I915_GEM_CREATE, i915_gem_create_ioctl, DRM_UNLOCKED|DRM_RENDER_ALLOW),
1311 DRM_IOCTL_DEF_DRV(I915_GEM_PREAD, i915_gem_pread_ioctl, DRM_UNLOCKED|DRM_RENDER_ALLOW),
1312 DRM_IOCTL_DEF_DRV(I915_GEM_PWRITE, i915_gem_pwrite_ioctl, DRM_UNLOCKED|DRM_RENDER_ALLOW),
1313 DRM_IOCTL_DEF_DRV(I915_GEM_MMAP, i915_gem_mmap_ioctl, DRM_UNLOCKED|DRM_RENDER_ALLOW),
1314 DRM_IOCTL_DEF_DRV(I915_GEM_MMAP_GTT, i915_gem_mmap_gtt_ioctl, DRM_UNLOCKED|DRM_RENDER_ALLOW),
1315 DRM_IOCTL_DEF_DRV(I915_GEM_SET_DOMAIN, i915_gem_set_domain_ioctl, DRM_UNLOCKED|DRM_RENDER_ALLOW),
1316 DRM_IOCTL_DEF_DRV(I915_GEM_SW_FINISH, i915_gem_sw_finish_ioctl, DRM_UNLOCKED|DRM_RENDER_ALLOW),
1317 DRM_IOCTL_DEF_DRV(I915_GEM_SET_TILING, i915_gem_set_tiling, DRM_UNLOCKED|DRM_RENDER_ALLOW),
1318 DRM_IOCTL_DEF_DRV(I915_GEM_GET_TILING, i915_gem_get_tiling, DRM_UNLOCKED|DRM_RENDER_ALLOW),
1319 DRM_IOCTL_DEF_DRV(I915_GEM_GET_APERTURE, i915_gem_get_aperture_ioctl, DRM_UNLOCKED|DRM_RENDER_ALLOW),
1320 DRM_IOCTL_DEF_DRV(I915_GET_PIPE_FROM_CRTC_ID, intel_get_pipe_from_crtc_id, DRM_UNLOCKED),
1321 DRM_IOCTL_DEF_DRV(I915_GEM_MADVISE, i915_gem_madvise_ioctl, DRM_UNLOCKED|DRM_RENDER_ALLOW),
1322 DRM_IOCTL_DEF_DRV(I915_OVERLAY_PUT_IMAGE, intel_overlay_put_image, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED),
1323 DRM_IOCTL_DEF_DRV(I915_OVERLAY_ATTRS, intel_overlay_attrs, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED),
1324 DRM_IOCTL_DEF_DRV(I915_SET_SPRITE_COLORKEY, intel_sprite_set_colorkey, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED),
1325 DRM_IOCTL_DEF_DRV(I915_GET_SPRITE_COLORKEY, drm_noop, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED),
1326 DRM_IOCTL_DEF_DRV(I915_GEM_WAIT, i915_gem_wait_ioctl, DRM_AUTH|DRM_UNLOCKED|DRM_RENDER_ALLOW),
1327 DRM_IOCTL_DEF_DRV(I915_GEM_CONTEXT_CREATE, i915_gem_context_create_ioctl, DRM_UNLOCKED|DRM_RENDER_ALLOW),
1328 DRM_IOCTL_DEF_DRV(I915_GEM_CONTEXT_DESTROY, i915_gem_context_destroy_ioctl, DRM_UNLOCKED|DRM_RENDER_ALLOW),
1329 DRM_IOCTL_DEF_DRV(I915_REG_READ, i915_reg_read_ioctl, DRM_UNLOCKED|DRM_RENDER_ALLOW),
1330 DRM_IOCTL_DEF_DRV(I915_GET_RESET_STATS, i915_get_reset_stats_ioctl, DRM_UNLOCKED|DRM_RENDER_ALLOW),
1332 DRM_IOCTL_DEF_DRV(I915_GEM_USERPTR, i915_gem_userptr_ioctl, DRM_UNLOCKED|DRM_RENDER_ALLOW),
1334 DRM_IOCTL_DEF_DRV(I915_GEM_CONTEXT_GETPARAM, i915_gem_context_getparam_ioctl, DRM_UNLOCKED|DRM_RENDER_ALLOW),
1335 DRM_IOCTL_DEF_DRV(I915_GEM_CONTEXT_SETPARAM, i915_gem_context_setparam_ioctl, DRM_UNLOCKED|DRM_RENDER_ALLOW),
1338 int i915_max_ioctl = ARRAY_SIZE(i915_ioctls);