mirror of
https://github.com/torvalds/linux.git
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a1fb548962
Driver Changes: - Fix GitLab #1698: Performance regression with Linux 5.7-rc1 on Iris Plus 655 and 4K screen (Chris) - Add Wa_14011059788 for Tigerlake (Matt A) - Add per ctx batchbuffer wa for timestamp for Gen12 (Mika) - Use indirect ctx bb to load cmd buffer control value from context image to avoid corruption (Mika) - Enable DP Display Audio WA (Uma, Jani) - Update forcewake firmware ranges for Icelake (Radhakrishna) - Add missing deinitialization cases of load failure for display (Jose) - Implement TC cold sequences for Icelake and Tigerlake (Jose) - Unbreak enable_dpcd_backlight modparam (Lyude) - Move the late flush_submission in retire to the end (Chris) - Demote "Reducing compressed framebufer size" message to info (Peter) - Push MST link retraining to the hotplug work (Ville) - Hold obj->vma.lock over for_each_ggtt_vma() (Chris) - Fix timeout handling during TypeC AUX power well enabling for ICL (Imre) - Fix skl+ non-scaled pfit modes (Ville) - Prefer soft-rc6 over RPS DOWN_TIMEOUT (Chris) - Sanitize GT first before poisoning HWSP (Chris) - Fix up clock RPS frequency readout (Chris) - Avoid reusing the same logical CCID (Chris) - Avoid dereferencing a dead context (Chris) - Always enable busy-stats for execlists (Chris) - Apply the aggressive downclocking to parking (Chris) - Restore aggressive post-boost downclocking (Chris) - Scrub execlists state on resume (Chris) - Add debugfs attributes for LPSP (Ansuman) - Improvements to kernel selftests (Chris, Mika) - Add tiled blits selftest (Zbigniew) - Fix error handling in __live_lrc_indirect_ctx_bb() (Dan) - Add pre/post plane updates for SAGV (Stanislav) - Add ICL PG3 PW ID for EHL (Anshuman) - Fix Sphinx build duplicate label warning (Jani) - Error log non-zero audio power refcount after unbind (Jani) - Remove object_is_locked assertion from unpin_from_display_plane (Chris) - Use single set of AUX powerwell ops for gen11+ (Matt R) - Prefer drm_WARN_ON over WARN_ON (Pankaj) - Poison residual state [HWSP] across resume (Chris, Tvrtko) - Convert request-before-CS assertion to debug (Chris) - Carefully order virtual_submission_tasklet (Chris) - Check carefully for an idle engine in wait-for-idle (Chris) - Only close vma we open (Chris) - Trace RPS events (Chris) - Use the RPM config register to determine clk frequencies (Chris) - Drop rq->ring->vma peeking from error capture (Chris) - Check preempt-timeout target before submit_ports (Chris) - Check HWSP cacheline is valid before acquiring (Chris) - Use proper fault mask in interrupt postinstall too (Matt R) - Keep a no-frills swappable copy of the default context state (Chris) - Add atomic helpers for bandwidth (Stanislav) - Refactor setting dma info to a common helper from device info (Michael) - Refactor DDI transcoder code for clairty (Ville) - Extend PG3 power well ID to ICL (Anshuman) - Refactor PFIT code for readability and future extensibility (Ville) - Clarify code split between intel_ddi.c and intel_dp.c (Ville) - Move out code to return the digital_port of the aux ch (Jose) - Move rps.enabled/active and use of RPS interrupts to flags (Chris) - Remove superfluous inlines and dead code (Jani) - Re-disable -Wframe-address from top-level Makefile (Nick) - Static checker and spelling fixes (Colin, Nathan) - Split long lines (Ville) Signed-off-by: Dave Airlie <airlied@redhat.com> From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200430124904.GA100924@jlahtine-desk.ger.corp.intel.com
1876 lines
52 KiB
C
1876 lines
52 KiB
C
/* i915_drv.c -- i830,i845,i855,i865,i915 driver -*- linux-c -*-
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*/
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/*
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*
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* Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#include <linux/acpi.h>
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#include <linux/device.h>
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#include <linux/oom.h>
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#include <linux/module.h>
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#include <linux/pci.h>
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#include <linux/pm.h>
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#include <linux/pm_runtime.h>
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#include <linux/pnp.h>
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#include <linux/slab.h>
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#include <linux/vga_switcheroo.h>
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#include <linux/vt.h>
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#include <acpi/video.h>
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#include <drm/drm_atomic_helper.h>
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#include <drm/drm_ioctl.h>
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#include <drm/drm_irq.h>
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#include <drm/drm_managed.h>
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#include <drm/drm_probe_helper.h>
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#include "display/intel_acpi.h"
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#include "display/intel_audio.h"
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#include "display/intel_bw.h"
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#include "display/intel_cdclk.h"
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#include "display/intel_csr.h"
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#include "display/intel_display_debugfs.h"
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#include "display/intel_display_types.h"
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#include "display/intel_dp.h"
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#include "display/intel_fbdev.h"
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#include "display/intel_hotplug.h"
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#include "display/intel_overlay.h"
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#include "display/intel_pipe_crc.h"
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#include "display/intel_psr.h"
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#include "display/intel_sprite.h"
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#include "display/intel_vga.h"
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#include "gem/i915_gem_context.h"
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#include "gem/i915_gem_ioctls.h"
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#include "gem/i915_gem_mman.h"
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#include "gt/intel_gt.h"
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#include "gt/intel_gt_pm.h"
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#include "gt/intel_rc6.h"
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#include "i915_debugfs.h"
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#include "i915_drv.h"
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#include "i915_ioc32.h"
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#include "i915_irq.h"
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#include "i915_memcpy.h"
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#include "i915_perf.h"
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#include "i915_query.h"
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#include "i915_suspend.h"
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#include "i915_switcheroo.h"
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#include "i915_sysfs.h"
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#include "i915_trace.h"
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#include "i915_vgpu.h"
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#include "intel_dram.h"
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#include "intel_gvt.h"
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#include "intel_memory_region.h"
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#include "intel_pm.h"
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#include "vlv_suspend.h"
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static struct drm_driver driver;
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static int i915_get_bridge_dev(struct drm_i915_private *dev_priv)
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{
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int domain = pci_domain_nr(dev_priv->drm.pdev->bus);
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dev_priv->bridge_dev =
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pci_get_domain_bus_and_slot(domain, 0, PCI_DEVFN(0, 0));
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if (!dev_priv->bridge_dev) {
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drm_err(&dev_priv->drm, "bridge device not found\n");
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return -1;
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}
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return 0;
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}
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/* Allocate space for the MCH regs if needed, return nonzero on error */
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static int
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intel_alloc_mchbar_resource(struct drm_i915_private *dev_priv)
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{
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int reg = INTEL_GEN(dev_priv) >= 4 ? MCHBAR_I965 : MCHBAR_I915;
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u32 temp_lo, temp_hi = 0;
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u64 mchbar_addr;
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int ret;
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if (INTEL_GEN(dev_priv) >= 4)
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pci_read_config_dword(dev_priv->bridge_dev, reg + 4, &temp_hi);
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pci_read_config_dword(dev_priv->bridge_dev, reg, &temp_lo);
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mchbar_addr = ((u64)temp_hi << 32) | temp_lo;
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/* If ACPI doesn't have it, assume we need to allocate it ourselves */
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#ifdef CONFIG_PNP
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if (mchbar_addr &&
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pnp_range_reserved(mchbar_addr, mchbar_addr + MCHBAR_SIZE))
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return 0;
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#endif
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/* Get some space for it */
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dev_priv->mch_res.name = "i915 MCHBAR";
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dev_priv->mch_res.flags = IORESOURCE_MEM;
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ret = pci_bus_alloc_resource(dev_priv->bridge_dev->bus,
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&dev_priv->mch_res,
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MCHBAR_SIZE, MCHBAR_SIZE,
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PCIBIOS_MIN_MEM,
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0, pcibios_align_resource,
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dev_priv->bridge_dev);
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if (ret) {
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drm_dbg(&dev_priv->drm, "failed bus alloc: %d\n", ret);
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dev_priv->mch_res.start = 0;
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return ret;
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}
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if (INTEL_GEN(dev_priv) >= 4)
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pci_write_config_dword(dev_priv->bridge_dev, reg + 4,
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upper_32_bits(dev_priv->mch_res.start));
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pci_write_config_dword(dev_priv->bridge_dev, reg,
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lower_32_bits(dev_priv->mch_res.start));
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return 0;
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}
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/* Setup MCHBAR if possible, return true if we should disable it again */
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static void
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intel_setup_mchbar(struct drm_i915_private *dev_priv)
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{
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int mchbar_reg = INTEL_GEN(dev_priv) >= 4 ? MCHBAR_I965 : MCHBAR_I915;
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u32 temp;
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bool enabled;
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if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
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return;
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dev_priv->mchbar_need_disable = false;
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if (IS_I915G(dev_priv) || IS_I915GM(dev_priv)) {
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pci_read_config_dword(dev_priv->bridge_dev, DEVEN, &temp);
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enabled = !!(temp & DEVEN_MCHBAR_EN);
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} else {
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pci_read_config_dword(dev_priv->bridge_dev, mchbar_reg, &temp);
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enabled = temp & 1;
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}
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/* If it's already enabled, don't have to do anything */
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if (enabled)
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return;
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if (intel_alloc_mchbar_resource(dev_priv))
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return;
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dev_priv->mchbar_need_disable = true;
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/* Space is allocated or reserved, so enable it. */
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if (IS_I915G(dev_priv) || IS_I915GM(dev_priv)) {
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pci_write_config_dword(dev_priv->bridge_dev, DEVEN,
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temp | DEVEN_MCHBAR_EN);
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} else {
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pci_read_config_dword(dev_priv->bridge_dev, mchbar_reg, &temp);
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pci_write_config_dword(dev_priv->bridge_dev, mchbar_reg, temp | 1);
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}
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}
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static void
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intel_teardown_mchbar(struct drm_i915_private *dev_priv)
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{
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int mchbar_reg = INTEL_GEN(dev_priv) >= 4 ? MCHBAR_I965 : MCHBAR_I915;
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if (dev_priv->mchbar_need_disable) {
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if (IS_I915G(dev_priv) || IS_I915GM(dev_priv)) {
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u32 deven_val;
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pci_read_config_dword(dev_priv->bridge_dev, DEVEN,
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&deven_val);
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deven_val &= ~DEVEN_MCHBAR_EN;
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pci_write_config_dword(dev_priv->bridge_dev, DEVEN,
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deven_val);
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} else {
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u32 mchbar_val;
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pci_read_config_dword(dev_priv->bridge_dev, mchbar_reg,
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&mchbar_val);
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mchbar_val &= ~1;
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pci_write_config_dword(dev_priv->bridge_dev, mchbar_reg,
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mchbar_val);
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}
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}
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if (dev_priv->mch_res.start)
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release_resource(&dev_priv->mch_res);
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}
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/* part #1: call before irq install */
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static int i915_driver_modeset_probe_noirq(struct drm_i915_private *i915)
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{
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int ret;
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if (i915_inject_probe_failure(i915))
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return -ENODEV;
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if (HAS_DISPLAY(i915) && INTEL_DISPLAY_ENABLED(i915)) {
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ret = drm_vblank_init(&i915->drm,
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INTEL_NUM_PIPES(i915));
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if (ret)
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return ret;
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}
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intel_bios_init(i915);
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ret = intel_vga_register(i915);
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if (ret)
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goto cleanup_bios;
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intel_power_domains_init_hw(i915, false);
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intel_csr_ucode_init(i915);
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ret = intel_modeset_init_noirq(i915);
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if (ret)
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goto cleanup_vga_client_pw_domain_csr;
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return 0;
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cleanup_vga_client_pw_domain_csr:
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intel_csr_ucode_fini(i915);
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intel_power_domains_driver_remove(i915);
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intel_vga_unregister(i915);
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cleanup_bios:
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intel_bios_driver_remove(i915);
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return ret;
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}
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/* part #2: call after irq install */
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static int i915_driver_modeset_probe(struct drm_i915_private *i915)
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{
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int ret;
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/* Important: The output setup functions called by modeset_init need
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* working irqs for e.g. gmbus and dp aux transfers. */
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ret = intel_modeset_init(i915);
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if (ret)
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goto out;
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ret = i915_gem_init(i915);
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if (ret)
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goto cleanup_modeset;
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intel_overlay_setup(i915);
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if (!HAS_DISPLAY(i915) || !INTEL_DISPLAY_ENABLED(i915))
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return 0;
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ret = intel_fbdev_init(&i915->drm);
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if (ret)
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goto cleanup_gem;
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/* Only enable hotplug handling once the fbdev is fully set up. */
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intel_hpd_init(i915);
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intel_init_ipc(i915);
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intel_psr_set_force_mode_changed(i915->psr.dp);
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return 0;
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cleanup_gem:
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i915_gem_suspend(i915);
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i915_gem_driver_remove(i915);
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i915_gem_driver_release(i915);
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cleanup_modeset:
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/* FIXME */
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intel_modeset_driver_remove(i915);
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intel_irq_uninstall(i915);
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intel_modeset_driver_remove_noirq(i915);
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out:
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return ret;
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}
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/* part #1: call before irq uninstall */
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static void i915_driver_modeset_remove(struct drm_i915_private *i915)
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{
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intel_modeset_driver_remove(i915);
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}
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/* part #2: call after irq uninstall */
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static void i915_driver_modeset_remove_noirq(struct drm_i915_private *i915)
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{
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intel_csr_ucode_fini(i915);
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intel_power_domains_driver_remove(i915);
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intel_vga_unregister(i915);
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intel_bios_driver_remove(i915);
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}
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static void intel_init_dpio(struct drm_i915_private *dev_priv)
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{
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/*
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* IOSF_PORT_DPIO is used for VLV x2 PHY (DP/HDMI B and C),
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* CHV x1 PHY (DP/HDMI D)
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* IOSF_PORT_DPIO_2 is used for CHV x2 PHY (DP/HDMI B and C)
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*/
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if (IS_CHERRYVIEW(dev_priv)) {
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DPIO_PHY_IOSF_PORT(DPIO_PHY0) = IOSF_PORT_DPIO_2;
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DPIO_PHY_IOSF_PORT(DPIO_PHY1) = IOSF_PORT_DPIO;
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} else if (IS_VALLEYVIEW(dev_priv)) {
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DPIO_PHY_IOSF_PORT(DPIO_PHY0) = IOSF_PORT_DPIO;
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}
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}
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static int i915_workqueues_init(struct drm_i915_private *dev_priv)
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{
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/*
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* The i915 workqueue is primarily used for batched retirement of
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* requests (and thus managing bo) once the task has been completed
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* by the GPU. i915_retire_requests() is called directly when we
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* need high-priority retirement, such as waiting for an explicit
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* bo.
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*
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* It is also used for periodic low-priority events, such as
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* idle-timers and recording error state.
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*
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* All tasks on the workqueue are expected to acquire the dev mutex
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* so there is no point in running more than one instance of the
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* workqueue at any time. Use an ordered one.
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*/
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dev_priv->wq = alloc_ordered_workqueue("i915", 0);
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if (dev_priv->wq == NULL)
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goto out_err;
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dev_priv->hotplug.dp_wq = alloc_ordered_workqueue("i915-dp", 0);
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if (dev_priv->hotplug.dp_wq == NULL)
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goto out_free_wq;
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return 0;
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out_free_wq:
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destroy_workqueue(dev_priv->wq);
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out_err:
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drm_err(&dev_priv->drm, "Failed to allocate workqueues.\n");
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return -ENOMEM;
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}
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static void i915_workqueues_cleanup(struct drm_i915_private *dev_priv)
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{
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destroy_workqueue(dev_priv->hotplug.dp_wq);
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destroy_workqueue(dev_priv->wq);
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}
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/*
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* We don't keep the workarounds for pre-production hardware, so we expect our
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* driver to fail on these machines in one way or another. A little warning on
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* dmesg may help both the user and the bug triagers.
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*
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* Our policy for removing pre-production workarounds is to keep the
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* current gen workarounds as a guide to the bring-up of the next gen
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* (workarounds have a habit of persisting!). Anything older than that
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* should be removed along with the complications they introduce.
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*/
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static void intel_detect_preproduction_hw(struct drm_i915_private *dev_priv)
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{
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bool pre = false;
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pre |= IS_HSW_EARLY_SDV(dev_priv);
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pre |= IS_SKL_REVID(dev_priv, 0, SKL_REVID_F0);
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pre |= IS_BXT_REVID(dev_priv, 0, BXT_REVID_B_LAST);
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pre |= IS_KBL_REVID(dev_priv, 0, KBL_REVID_A0);
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pre |= IS_GLK_REVID(dev_priv, 0, GLK_REVID_A2);
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if (pre) {
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drm_err(&dev_priv->drm, "This is a pre-production stepping. "
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"It may not be fully functional.\n");
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add_taint(TAINT_MACHINE_CHECK, LOCKDEP_STILL_OK);
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}
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}
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static void sanitize_gpu(struct drm_i915_private *i915)
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{
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if (!INTEL_INFO(i915)->gpu_reset_clobbers_display)
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__intel_gt_reset(&i915->gt, ALL_ENGINES);
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}
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/**
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* i915_driver_early_probe - setup state not requiring device access
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* @dev_priv: device private
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*
|
|
* Initialize everything that is a "SW-only" state, that is state not
|
|
* requiring accessing the device or exposing the driver via kernel internal
|
|
* or userspace interfaces. Example steps belonging here: lock initialization,
|
|
* system memory allocation, setting up device specific attributes and
|
|
* function hooks not requiring accessing the device.
|
|
*/
|
|
static int i915_driver_early_probe(struct drm_i915_private *dev_priv)
|
|
{
|
|
int ret = 0;
|
|
|
|
if (i915_inject_probe_failure(dev_priv))
|
|
return -ENODEV;
|
|
|
|
intel_device_info_subplatform_init(dev_priv);
|
|
|
|
intel_uncore_mmio_debug_init_early(&dev_priv->mmio_debug);
|
|
intel_uncore_init_early(&dev_priv->uncore, dev_priv);
|
|
|
|
spin_lock_init(&dev_priv->irq_lock);
|
|
spin_lock_init(&dev_priv->gpu_error.lock);
|
|
mutex_init(&dev_priv->backlight_lock);
|
|
|
|
mutex_init(&dev_priv->sb_lock);
|
|
cpu_latency_qos_add_request(&dev_priv->sb_qos, PM_QOS_DEFAULT_VALUE);
|
|
|
|
mutex_init(&dev_priv->av_mutex);
|
|
mutex_init(&dev_priv->wm.wm_mutex);
|
|
mutex_init(&dev_priv->pps_mutex);
|
|
mutex_init(&dev_priv->hdcp_comp_mutex);
|
|
|
|
i915_memcpy_init_early(dev_priv);
|
|
intel_runtime_pm_init_early(&dev_priv->runtime_pm);
|
|
|
|
ret = i915_workqueues_init(dev_priv);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
ret = vlv_suspend_init(dev_priv);
|
|
if (ret < 0)
|
|
goto err_workqueues;
|
|
|
|
intel_wopcm_init_early(&dev_priv->wopcm);
|
|
|
|
intel_gt_init_early(&dev_priv->gt, dev_priv);
|
|
|
|
i915_gem_init_early(dev_priv);
|
|
|
|
/* This must be called before any calls to HAS_PCH_* */
|
|
intel_detect_pch(dev_priv);
|
|
|
|
intel_pm_setup(dev_priv);
|
|
intel_init_dpio(dev_priv);
|
|
ret = intel_power_domains_init(dev_priv);
|
|
if (ret < 0)
|
|
goto err_gem;
|
|
intel_irq_init(dev_priv);
|
|
intel_init_display_hooks(dev_priv);
|
|
intel_init_clock_gating_hooks(dev_priv);
|
|
intel_init_audio_hooks(dev_priv);
|
|
|
|
intel_detect_preproduction_hw(dev_priv);
|
|
|
|
return 0;
|
|
|
|
err_gem:
|
|
i915_gem_cleanup_early(dev_priv);
|
|
intel_gt_driver_late_release(&dev_priv->gt);
|
|
vlv_suspend_cleanup(dev_priv);
|
|
err_workqueues:
|
|
i915_workqueues_cleanup(dev_priv);
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* i915_driver_late_release - cleanup the setup done in
|
|
* i915_driver_early_probe()
|
|
* @dev_priv: device private
|
|
*/
|
|
static void i915_driver_late_release(struct drm_i915_private *dev_priv)
|
|
{
|
|
intel_irq_fini(dev_priv);
|
|
intel_power_domains_cleanup(dev_priv);
|
|
i915_gem_cleanup_early(dev_priv);
|
|
intel_gt_driver_late_release(&dev_priv->gt);
|
|
vlv_suspend_cleanup(dev_priv);
|
|
i915_workqueues_cleanup(dev_priv);
|
|
|
|
cpu_latency_qos_remove_request(&dev_priv->sb_qos);
|
|
mutex_destroy(&dev_priv->sb_lock);
|
|
}
|
|
|
|
/**
|
|
* i915_driver_mmio_probe - setup device MMIO
|
|
* @dev_priv: device private
|
|
*
|
|
* Setup minimal device state necessary for MMIO accesses later in the
|
|
* initialization sequence. The setup here should avoid any other device-wide
|
|
* side effects or exposing the driver via kernel internal or user space
|
|
* interfaces.
|
|
*/
|
|
static int i915_driver_mmio_probe(struct drm_i915_private *dev_priv)
|
|
{
|
|
int ret;
|
|
|
|
if (i915_inject_probe_failure(dev_priv))
|
|
return -ENODEV;
|
|
|
|
if (i915_get_bridge_dev(dev_priv))
|
|
return -EIO;
|
|
|
|
ret = intel_uncore_init_mmio(&dev_priv->uncore);
|
|
if (ret < 0)
|
|
goto err_bridge;
|
|
|
|
/* Try to make sure MCHBAR is enabled before poking at it */
|
|
intel_setup_mchbar(dev_priv);
|
|
|
|
intel_device_info_init_mmio(dev_priv);
|
|
|
|
intel_uncore_prune_mmio_domains(&dev_priv->uncore);
|
|
|
|
intel_uc_init_mmio(&dev_priv->gt.uc);
|
|
|
|
ret = intel_engines_init_mmio(&dev_priv->gt);
|
|
if (ret)
|
|
goto err_uncore;
|
|
|
|
/* As early as possible, scrub existing GPU state before clobbering */
|
|
sanitize_gpu(dev_priv);
|
|
|
|
return 0;
|
|
|
|
err_uncore:
|
|
intel_teardown_mchbar(dev_priv);
|
|
intel_uncore_fini_mmio(&dev_priv->uncore);
|
|
err_bridge:
|
|
pci_dev_put(dev_priv->bridge_dev);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* i915_driver_mmio_release - cleanup the setup done in i915_driver_mmio_probe()
|
|
* @dev_priv: device private
|
|
*/
|
|
static void i915_driver_mmio_release(struct drm_i915_private *dev_priv)
|
|
{
|
|
intel_teardown_mchbar(dev_priv);
|
|
intel_uncore_fini_mmio(&dev_priv->uncore);
|
|
pci_dev_put(dev_priv->bridge_dev);
|
|
}
|
|
|
|
static void intel_sanitize_options(struct drm_i915_private *dev_priv)
|
|
{
|
|
intel_gvt_sanitize_options(dev_priv);
|
|
}
|
|
|
|
/**
|
|
* i915_set_dma_info - set all relevant PCI dma info as configured for the
|
|
* platform
|
|
* @i915: valid i915 instance
|
|
*
|
|
* Set the dma max segment size, device and coherent masks. The dma mask set
|
|
* needs to occur before i915_ggtt_probe_hw.
|
|
*
|
|
* A couple of platforms have special needs. Address them as well.
|
|
*
|
|
*/
|
|
static int i915_set_dma_info(struct drm_i915_private *i915)
|
|
{
|
|
struct pci_dev *pdev = i915->drm.pdev;
|
|
unsigned int mask_size = INTEL_INFO(i915)->dma_mask_size;
|
|
int ret;
|
|
|
|
GEM_BUG_ON(!mask_size);
|
|
|
|
/*
|
|
* We don't have a max segment size, so set it to the max so sg's
|
|
* debugging layer doesn't complain
|
|
*/
|
|
dma_set_max_seg_size(&pdev->dev, UINT_MAX);
|
|
|
|
ret = dma_set_mask(&pdev->dev, DMA_BIT_MASK(mask_size));
|
|
if (ret)
|
|
goto mask_err;
|
|
|
|
/* overlay on gen2 is broken and can't address above 1G */
|
|
if (IS_GEN(i915, 2))
|
|
mask_size = 30;
|
|
|
|
/*
|
|
* 965GM sometimes incorrectly writes to hardware status page (HWS)
|
|
* using 32bit addressing, overwriting memory if HWS is located
|
|
* above 4GB.
|
|
*
|
|
* The documentation also mentions an issue with undefined
|
|
* behaviour if any general state is accessed within a page above 4GB,
|
|
* which also needs to be handled carefully.
|
|
*/
|
|
if (IS_I965G(i915) || IS_I965GM(i915))
|
|
mask_size = 32;
|
|
|
|
ret = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(mask_size));
|
|
if (ret)
|
|
goto mask_err;
|
|
|
|
return 0;
|
|
|
|
mask_err:
|
|
drm_err(&i915->drm, "Can't set DMA mask/consistent mask (%d)\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* i915_driver_hw_probe - setup state requiring device access
|
|
* @dev_priv: device private
|
|
*
|
|
* Setup state that requires accessing the device, but doesn't require
|
|
* exposing the driver via kernel internal or userspace interfaces.
|
|
*/
|
|
static int i915_driver_hw_probe(struct drm_i915_private *dev_priv)
|
|
{
|
|
struct pci_dev *pdev = dev_priv->drm.pdev;
|
|
int ret;
|
|
|
|
if (i915_inject_probe_failure(dev_priv))
|
|
return -ENODEV;
|
|
|
|
intel_device_info_runtime_init(dev_priv);
|
|
|
|
if (HAS_PPGTT(dev_priv)) {
|
|
if (intel_vgpu_active(dev_priv) &&
|
|
!intel_vgpu_has_full_ppgtt(dev_priv)) {
|
|
i915_report_error(dev_priv,
|
|
"incompatible vGPU found, support for isolated ppGTT required\n");
|
|
return -ENXIO;
|
|
}
|
|
}
|
|
|
|
if (HAS_EXECLISTS(dev_priv)) {
|
|
/*
|
|
* Older GVT emulation depends upon intercepting CSB mmio,
|
|
* which we no longer use, preferring to use the HWSP cache
|
|
* instead.
|
|
*/
|
|
if (intel_vgpu_active(dev_priv) &&
|
|
!intel_vgpu_has_hwsp_emulation(dev_priv)) {
|
|
i915_report_error(dev_priv,
|
|
"old vGPU host found, support for HWSP emulation required\n");
|
|
return -ENXIO;
|
|
}
|
|
}
|
|
|
|
intel_sanitize_options(dev_priv);
|
|
|
|
/* needs to be done before ggtt probe */
|
|
intel_dram_edram_detect(dev_priv);
|
|
|
|
ret = i915_set_dma_info(dev_priv);
|
|
if (ret)
|
|
return ret;
|
|
|
|
i915_perf_init(dev_priv);
|
|
|
|
ret = i915_ggtt_probe_hw(dev_priv);
|
|
if (ret)
|
|
goto err_perf;
|
|
|
|
ret = drm_fb_helper_remove_conflicting_pci_framebuffers(pdev, "inteldrmfb");
|
|
if (ret)
|
|
goto err_ggtt;
|
|
|
|
ret = i915_ggtt_init_hw(dev_priv);
|
|
if (ret)
|
|
goto err_ggtt;
|
|
|
|
ret = intel_memory_regions_hw_probe(dev_priv);
|
|
if (ret)
|
|
goto err_ggtt;
|
|
|
|
intel_gt_init_hw_early(&dev_priv->gt, &dev_priv->ggtt);
|
|
|
|
ret = i915_ggtt_enable_hw(dev_priv);
|
|
if (ret) {
|
|
drm_err(&dev_priv->drm, "failed to enable GGTT\n");
|
|
goto err_mem_regions;
|
|
}
|
|
|
|
pci_set_master(pdev);
|
|
|
|
cpu_latency_qos_add_request(&dev_priv->pm_qos, PM_QOS_DEFAULT_VALUE);
|
|
|
|
intel_gt_init_workarounds(dev_priv);
|
|
|
|
/* On the 945G/GM, the chipset reports the MSI capability on the
|
|
* integrated graphics even though the support isn't actually there
|
|
* according to the published specs. It doesn't appear to function
|
|
* correctly in testing on 945G.
|
|
* This may be a side effect of MSI having been made available for PEG
|
|
* and the registers being closely associated.
|
|
*
|
|
* According to chipset errata, on the 965GM, MSI interrupts may
|
|
* be lost or delayed, and was defeatured. MSI interrupts seem to
|
|
* get lost on g4x as well, and interrupt delivery seems to stay
|
|
* properly dead afterwards. So we'll just disable them for all
|
|
* pre-gen5 chipsets.
|
|
*
|
|
* dp aux and gmbus irq on gen4 seems to be able to generate legacy
|
|
* interrupts even when in MSI mode. This results in spurious
|
|
* interrupt warnings if the legacy irq no. is shared with another
|
|
* device. The kernel then disables that interrupt source and so
|
|
* prevents the other device from working properly.
|
|
*/
|
|
if (INTEL_GEN(dev_priv) >= 5) {
|
|
if (pci_enable_msi(pdev) < 0)
|
|
drm_dbg(&dev_priv->drm, "can't enable MSI");
|
|
}
|
|
|
|
ret = intel_gvt_init(dev_priv);
|
|
if (ret)
|
|
goto err_msi;
|
|
|
|
intel_opregion_setup(dev_priv);
|
|
/*
|
|
* Fill the dram structure to get the system raw bandwidth and
|
|
* dram info. This will be used for memory latency calculation.
|
|
*/
|
|
intel_dram_detect(dev_priv);
|
|
|
|
intel_bw_init_hw(dev_priv);
|
|
|
|
return 0;
|
|
|
|
err_msi:
|
|
if (pdev->msi_enabled)
|
|
pci_disable_msi(pdev);
|
|
cpu_latency_qos_remove_request(&dev_priv->pm_qos);
|
|
err_mem_regions:
|
|
intel_memory_regions_driver_release(dev_priv);
|
|
err_ggtt:
|
|
i915_ggtt_driver_release(dev_priv);
|
|
err_perf:
|
|
i915_perf_fini(dev_priv);
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* i915_driver_hw_remove - cleanup the setup done in i915_driver_hw_probe()
|
|
* @dev_priv: device private
|
|
*/
|
|
static void i915_driver_hw_remove(struct drm_i915_private *dev_priv)
|
|
{
|
|
struct pci_dev *pdev = dev_priv->drm.pdev;
|
|
|
|
i915_perf_fini(dev_priv);
|
|
|
|
if (pdev->msi_enabled)
|
|
pci_disable_msi(pdev);
|
|
|
|
cpu_latency_qos_remove_request(&dev_priv->pm_qos);
|
|
}
|
|
|
|
/**
|
|
* i915_driver_register - register the driver with the rest of the system
|
|
* @dev_priv: device private
|
|
*
|
|
* Perform any steps necessary to make the driver available via kernel
|
|
* internal or userspace interfaces.
|
|
*/
|
|
static void i915_driver_register(struct drm_i915_private *dev_priv)
|
|
{
|
|
struct drm_device *dev = &dev_priv->drm;
|
|
|
|
i915_gem_driver_register(dev_priv);
|
|
i915_pmu_register(dev_priv);
|
|
|
|
intel_vgpu_register(dev_priv);
|
|
|
|
/* Reveal our presence to userspace */
|
|
if (drm_dev_register(dev, 0) == 0) {
|
|
i915_debugfs_register(dev_priv);
|
|
intel_display_debugfs_register(dev_priv);
|
|
i915_setup_sysfs(dev_priv);
|
|
|
|
/* Depends on sysfs having been initialized */
|
|
i915_perf_register(dev_priv);
|
|
} else
|
|
drm_err(&dev_priv->drm,
|
|
"Failed to register driver for userspace access!\n");
|
|
|
|
if (HAS_DISPLAY(dev_priv) && INTEL_DISPLAY_ENABLED(dev_priv)) {
|
|
/* Must be done after probing outputs */
|
|
intel_opregion_register(dev_priv);
|
|
acpi_video_register();
|
|
}
|
|
|
|
intel_gt_driver_register(&dev_priv->gt);
|
|
|
|
intel_audio_init(dev_priv);
|
|
|
|
/*
|
|
* Some ports require correctly set-up hpd registers for detection to
|
|
* work properly (leading to ghost connected connector status), e.g. VGA
|
|
* on gm45. Hence we can only set up the initial fbdev config after hpd
|
|
* irqs are fully enabled. We do it last so that the async config
|
|
* cannot run before the connectors are registered.
|
|
*/
|
|
intel_fbdev_initial_config_async(dev);
|
|
|
|
/*
|
|
* We need to coordinate the hotplugs with the asynchronous fbdev
|
|
* configuration, for which we use the fbdev->async_cookie.
|
|
*/
|
|
if (HAS_DISPLAY(dev_priv) && INTEL_DISPLAY_ENABLED(dev_priv))
|
|
drm_kms_helper_poll_init(dev);
|
|
|
|
intel_power_domains_enable(dev_priv);
|
|
intel_runtime_pm_enable(&dev_priv->runtime_pm);
|
|
|
|
intel_register_dsm_handler();
|
|
|
|
if (i915_switcheroo_register(dev_priv))
|
|
drm_err(&dev_priv->drm, "Failed to register vga switcheroo!\n");
|
|
}
|
|
|
|
/**
|
|
* i915_driver_unregister - cleanup the registration done in i915_driver_regiser()
|
|
* @dev_priv: device private
|
|
*/
|
|
static void i915_driver_unregister(struct drm_i915_private *dev_priv)
|
|
{
|
|
i915_switcheroo_unregister(dev_priv);
|
|
|
|
intel_unregister_dsm_handler();
|
|
|
|
intel_runtime_pm_disable(&dev_priv->runtime_pm);
|
|
intel_power_domains_disable(dev_priv);
|
|
|
|
intel_fbdev_unregister(dev_priv);
|
|
intel_audio_deinit(dev_priv);
|
|
|
|
/*
|
|
* After flushing the fbdev (incl. a late async config which will
|
|
* have delayed queuing of a hotplug event), then flush the hotplug
|
|
* events.
|
|
*/
|
|
drm_kms_helper_poll_fini(&dev_priv->drm);
|
|
|
|
intel_gt_driver_unregister(&dev_priv->gt);
|
|
acpi_video_unregister();
|
|
intel_opregion_unregister(dev_priv);
|
|
|
|
i915_perf_unregister(dev_priv);
|
|
i915_pmu_unregister(dev_priv);
|
|
|
|
i915_teardown_sysfs(dev_priv);
|
|
drm_dev_unplug(&dev_priv->drm);
|
|
|
|
i915_gem_driver_unregister(dev_priv);
|
|
}
|
|
|
|
static void i915_welcome_messages(struct drm_i915_private *dev_priv)
|
|
{
|
|
if (drm_debug_enabled(DRM_UT_DRIVER)) {
|
|
struct drm_printer p = drm_debug_printer("i915 device info:");
|
|
|
|
drm_printf(&p, "pciid=0x%04x rev=0x%02x platform=%s (subplatform=0x%x) gen=%i\n",
|
|
INTEL_DEVID(dev_priv),
|
|
INTEL_REVID(dev_priv),
|
|
intel_platform_name(INTEL_INFO(dev_priv)->platform),
|
|
intel_subplatform(RUNTIME_INFO(dev_priv),
|
|
INTEL_INFO(dev_priv)->platform),
|
|
INTEL_GEN(dev_priv));
|
|
|
|
intel_device_info_print_static(INTEL_INFO(dev_priv), &p);
|
|
intel_device_info_print_runtime(RUNTIME_INFO(dev_priv), &p);
|
|
}
|
|
|
|
if (IS_ENABLED(CONFIG_DRM_I915_DEBUG))
|
|
drm_info(&dev_priv->drm, "DRM_I915_DEBUG enabled\n");
|
|
if (IS_ENABLED(CONFIG_DRM_I915_DEBUG_GEM))
|
|
drm_info(&dev_priv->drm, "DRM_I915_DEBUG_GEM enabled\n");
|
|
if (IS_ENABLED(CONFIG_DRM_I915_DEBUG_RUNTIME_PM))
|
|
drm_info(&dev_priv->drm,
|
|
"DRM_I915_DEBUG_RUNTIME_PM enabled\n");
|
|
}
|
|
|
|
static struct drm_i915_private *
|
|
i915_driver_create(struct pci_dev *pdev, const struct pci_device_id *ent)
|
|
{
|
|
const struct intel_device_info *match_info =
|
|
(struct intel_device_info *)ent->driver_data;
|
|
struct intel_device_info *device_info;
|
|
struct drm_i915_private *i915;
|
|
|
|
i915 = devm_drm_dev_alloc(&pdev->dev, &driver,
|
|
struct drm_i915_private, drm);
|
|
if (IS_ERR(i915))
|
|
return i915;
|
|
|
|
i915->drm.pdev = pdev;
|
|
pci_set_drvdata(pdev, i915);
|
|
|
|
/* Setup the write-once "constant" device info */
|
|
device_info = mkwrite_device_info(i915);
|
|
memcpy(device_info, match_info, sizeof(*device_info));
|
|
RUNTIME_INFO(i915)->device_id = pdev->device;
|
|
|
|
BUG_ON(device_info->gen > BITS_PER_TYPE(device_info->gen_mask));
|
|
|
|
return i915;
|
|
}
|
|
|
|
/**
|
|
* i915_driver_probe - setup chip and create an initial config
|
|
* @pdev: PCI device
|
|
* @ent: matching PCI ID entry
|
|
*
|
|
* The driver probe routine has to do several things:
|
|
* - drive output discovery via intel_modeset_init()
|
|
* - initialize the memory manager
|
|
* - allocate initial config memory
|
|
* - setup the DRM framebuffer with the allocated memory
|
|
*/
|
|
int i915_driver_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
|
|
{
|
|
const struct intel_device_info *match_info =
|
|
(struct intel_device_info *)ent->driver_data;
|
|
struct drm_i915_private *i915;
|
|
int ret;
|
|
|
|
i915 = i915_driver_create(pdev, ent);
|
|
if (IS_ERR(i915))
|
|
return PTR_ERR(i915);
|
|
|
|
/* Disable nuclear pageflip by default on pre-ILK */
|
|
if (!i915_modparams.nuclear_pageflip && match_info->gen < 5)
|
|
i915->drm.driver_features &= ~DRIVER_ATOMIC;
|
|
|
|
/*
|
|
* Check if we support fake LMEM -- for now we only unleash this for
|
|
* the live selftests(test-and-exit).
|
|
*/
|
|
#if IS_ENABLED(CONFIG_DRM_I915_SELFTEST)
|
|
if (IS_ENABLED(CONFIG_DRM_I915_UNSTABLE_FAKE_LMEM)) {
|
|
if (INTEL_GEN(i915) >= 9 && i915_selftest.live < 0 &&
|
|
i915_modparams.fake_lmem_start) {
|
|
mkwrite_device_info(i915)->memory_regions =
|
|
REGION_SMEM | REGION_LMEM | REGION_STOLEN;
|
|
mkwrite_device_info(i915)->is_dgfx = true;
|
|
GEM_BUG_ON(!HAS_LMEM(i915));
|
|
GEM_BUG_ON(!IS_DGFX(i915));
|
|
}
|
|
}
|
|
#endif
|
|
|
|
ret = pci_enable_device(pdev);
|
|
if (ret)
|
|
goto out_fini;
|
|
|
|
ret = i915_driver_early_probe(i915);
|
|
if (ret < 0)
|
|
goto out_pci_disable;
|
|
|
|
disable_rpm_wakeref_asserts(&i915->runtime_pm);
|
|
|
|
intel_vgpu_detect(i915);
|
|
|
|
ret = i915_driver_mmio_probe(i915);
|
|
if (ret < 0)
|
|
goto out_runtime_pm_put;
|
|
|
|
ret = i915_driver_hw_probe(i915);
|
|
if (ret < 0)
|
|
goto out_cleanup_mmio;
|
|
|
|
ret = i915_driver_modeset_probe_noirq(i915);
|
|
if (ret < 0)
|
|
goto out_cleanup_hw;
|
|
|
|
ret = intel_irq_install(i915);
|
|
if (ret)
|
|
goto out_cleanup_modeset;
|
|
|
|
ret = i915_driver_modeset_probe(i915);
|
|
if (ret < 0)
|
|
goto out_cleanup_irq;
|
|
|
|
i915_driver_register(i915);
|
|
|
|
enable_rpm_wakeref_asserts(&i915->runtime_pm);
|
|
|
|
i915_welcome_messages(i915);
|
|
|
|
i915->do_release = true;
|
|
|
|
return 0;
|
|
|
|
out_cleanup_irq:
|
|
intel_irq_uninstall(i915);
|
|
out_cleanup_modeset:
|
|
i915_driver_modeset_remove_noirq(i915);
|
|
out_cleanup_hw:
|
|
i915_driver_hw_remove(i915);
|
|
intel_memory_regions_driver_release(i915);
|
|
i915_ggtt_driver_release(i915);
|
|
out_cleanup_mmio:
|
|
i915_driver_mmio_release(i915);
|
|
out_runtime_pm_put:
|
|
enable_rpm_wakeref_asserts(&i915->runtime_pm);
|
|
i915_driver_late_release(i915);
|
|
out_pci_disable:
|
|
pci_disable_device(pdev);
|
|
out_fini:
|
|
i915_probe_error(i915, "Device initialization failed (%d)\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
void i915_driver_remove(struct drm_i915_private *i915)
|
|
{
|
|
disable_rpm_wakeref_asserts(&i915->runtime_pm);
|
|
|
|
i915_driver_unregister(i915);
|
|
|
|
/* Flush any external code that still may be under the RCU lock */
|
|
synchronize_rcu();
|
|
|
|
i915_gem_suspend(i915);
|
|
|
|
drm_atomic_helper_shutdown(&i915->drm);
|
|
|
|
intel_gvt_driver_remove(i915);
|
|
|
|
i915_driver_modeset_remove(i915);
|
|
|
|
intel_irq_uninstall(i915);
|
|
|
|
intel_modeset_driver_remove_noirq(i915);
|
|
|
|
i915_reset_error_state(i915);
|
|
i915_gem_driver_remove(i915);
|
|
|
|
i915_driver_modeset_remove_noirq(i915);
|
|
|
|
i915_driver_hw_remove(i915);
|
|
|
|
enable_rpm_wakeref_asserts(&i915->runtime_pm);
|
|
}
|
|
|
|
static void i915_driver_release(struct drm_device *dev)
|
|
{
|
|
struct drm_i915_private *dev_priv = to_i915(dev);
|
|
struct intel_runtime_pm *rpm = &dev_priv->runtime_pm;
|
|
|
|
if (!dev_priv->do_release)
|
|
return;
|
|
|
|
disable_rpm_wakeref_asserts(rpm);
|
|
|
|
i915_gem_driver_release(dev_priv);
|
|
|
|
intel_memory_regions_driver_release(dev_priv);
|
|
i915_ggtt_driver_release(dev_priv);
|
|
|
|
i915_driver_mmio_release(dev_priv);
|
|
|
|
enable_rpm_wakeref_asserts(rpm);
|
|
intel_runtime_pm_driver_release(rpm);
|
|
|
|
i915_driver_late_release(dev_priv);
|
|
}
|
|
|
|
static int i915_driver_open(struct drm_device *dev, struct drm_file *file)
|
|
{
|
|
struct drm_i915_private *i915 = to_i915(dev);
|
|
int ret;
|
|
|
|
ret = i915_gem_open(i915, file);
|
|
if (ret)
|
|
return ret;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* i915_driver_lastclose - clean up after all DRM clients have exited
|
|
* @dev: DRM device
|
|
*
|
|
* Take care of cleaning up after all DRM clients have exited. In the
|
|
* mode setting case, we want to restore the kernel's initial mode (just
|
|
* in case the last client left us in a bad state).
|
|
*
|
|
* Additionally, in the non-mode setting case, we'll tear down the GTT
|
|
* and DMA structures, since the kernel won't be using them, and clea
|
|
* up any GEM state.
|
|
*/
|
|
static void i915_driver_lastclose(struct drm_device *dev)
|
|
{
|
|
intel_fbdev_restore_mode(dev);
|
|
vga_switcheroo_process_delayed_switch();
|
|
}
|
|
|
|
static void i915_driver_postclose(struct drm_device *dev, struct drm_file *file)
|
|
{
|
|
struct drm_i915_file_private *file_priv = file->driver_priv;
|
|
|
|
i915_gem_context_close(file);
|
|
i915_gem_release(dev, file);
|
|
|
|
kfree_rcu(file_priv, rcu);
|
|
|
|
/* Catch up with all the deferred frees from "this" client */
|
|
i915_gem_flush_free_objects(to_i915(dev));
|
|
}
|
|
|
|
static void intel_suspend_encoders(struct drm_i915_private *dev_priv)
|
|
{
|
|
struct drm_device *dev = &dev_priv->drm;
|
|
struct intel_encoder *encoder;
|
|
|
|
drm_modeset_lock_all(dev);
|
|
for_each_intel_encoder(dev, encoder)
|
|
if (encoder->suspend)
|
|
encoder->suspend(encoder);
|
|
drm_modeset_unlock_all(dev);
|
|
}
|
|
|
|
static bool suspend_to_idle(struct drm_i915_private *dev_priv)
|
|
{
|
|
#if IS_ENABLED(CONFIG_ACPI_SLEEP)
|
|
if (acpi_target_system_state() < ACPI_STATE_S3)
|
|
return true;
|
|
#endif
|
|
return false;
|
|
}
|
|
|
|
static int i915_drm_prepare(struct drm_device *dev)
|
|
{
|
|
struct drm_i915_private *i915 = to_i915(dev);
|
|
|
|
/*
|
|
* NB intel_display_suspend() may issue new requests after we've
|
|
* ostensibly marked the GPU as ready-to-sleep here. We need to
|
|
* split out that work and pull it forward so that after point,
|
|
* the GPU is not woken again.
|
|
*/
|
|
i915_gem_suspend(i915);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int i915_drm_suspend(struct drm_device *dev)
|
|
{
|
|
struct drm_i915_private *dev_priv = to_i915(dev);
|
|
struct pci_dev *pdev = dev_priv->drm.pdev;
|
|
pci_power_t opregion_target_state;
|
|
|
|
disable_rpm_wakeref_asserts(&dev_priv->runtime_pm);
|
|
|
|
/* We do a lot of poking in a lot of registers, make sure they work
|
|
* properly. */
|
|
intel_power_domains_disable(dev_priv);
|
|
|
|
drm_kms_helper_poll_disable(dev);
|
|
|
|
pci_save_state(pdev);
|
|
|
|
intel_display_suspend(dev);
|
|
|
|
intel_dp_mst_suspend(dev_priv);
|
|
|
|
intel_runtime_pm_disable_interrupts(dev_priv);
|
|
intel_hpd_cancel_work(dev_priv);
|
|
|
|
intel_suspend_encoders(dev_priv);
|
|
|
|
intel_suspend_hw(dev_priv);
|
|
|
|
i915_ggtt_suspend(&dev_priv->ggtt);
|
|
|
|
i915_save_state(dev_priv);
|
|
|
|
opregion_target_state = suspend_to_idle(dev_priv) ? PCI_D1 : PCI_D3cold;
|
|
intel_opregion_suspend(dev_priv, opregion_target_state);
|
|
|
|
intel_fbdev_set_suspend(dev, FBINFO_STATE_SUSPENDED, true);
|
|
|
|
dev_priv->suspend_count++;
|
|
|
|
intel_csr_ucode_suspend(dev_priv);
|
|
|
|
enable_rpm_wakeref_asserts(&dev_priv->runtime_pm);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static enum i915_drm_suspend_mode
|
|
get_suspend_mode(struct drm_i915_private *dev_priv, bool hibernate)
|
|
{
|
|
if (hibernate)
|
|
return I915_DRM_SUSPEND_HIBERNATE;
|
|
|
|
if (suspend_to_idle(dev_priv))
|
|
return I915_DRM_SUSPEND_IDLE;
|
|
|
|
return I915_DRM_SUSPEND_MEM;
|
|
}
|
|
|
|
static int i915_drm_suspend_late(struct drm_device *dev, bool hibernation)
|
|
{
|
|
struct drm_i915_private *dev_priv = to_i915(dev);
|
|
struct pci_dev *pdev = dev_priv->drm.pdev;
|
|
struct intel_runtime_pm *rpm = &dev_priv->runtime_pm;
|
|
int ret;
|
|
|
|
disable_rpm_wakeref_asserts(rpm);
|
|
|
|
i915_gem_suspend_late(dev_priv);
|
|
|
|
intel_uncore_suspend(&dev_priv->uncore);
|
|
|
|
intel_power_domains_suspend(dev_priv,
|
|
get_suspend_mode(dev_priv, hibernation));
|
|
|
|
intel_display_power_suspend_late(dev_priv);
|
|
|
|
ret = vlv_suspend_complete(dev_priv);
|
|
if (ret) {
|
|
drm_err(&dev_priv->drm, "Suspend complete failed: %d\n", ret);
|
|
intel_power_domains_resume(dev_priv);
|
|
|
|
goto out;
|
|
}
|
|
|
|
pci_disable_device(pdev);
|
|
/*
|
|
* During hibernation on some platforms the BIOS may try to access
|
|
* the device even though it's already in D3 and hang the machine. So
|
|
* leave the device in D0 on those platforms and hope the BIOS will
|
|
* power down the device properly. The issue was seen on multiple old
|
|
* GENs with different BIOS vendors, so having an explicit blacklist
|
|
* is inpractical; apply the workaround on everything pre GEN6. The
|
|
* platforms where the issue was seen:
|
|
* Lenovo Thinkpad X301, X61s, X60, T60, X41
|
|
* Fujitsu FSC S7110
|
|
* Acer Aspire 1830T
|
|
*/
|
|
if (!(hibernation && INTEL_GEN(dev_priv) < 6))
|
|
pci_set_power_state(pdev, PCI_D3hot);
|
|
|
|
out:
|
|
enable_rpm_wakeref_asserts(rpm);
|
|
if (!dev_priv->uncore.user_forcewake_count)
|
|
intel_runtime_pm_driver_release(rpm);
|
|
|
|
return ret;
|
|
}
|
|
|
|
int i915_suspend_switcheroo(struct drm_i915_private *i915, pm_message_t state)
|
|
{
|
|
int error;
|
|
|
|
if (drm_WARN_ON_ONCE(&i915->drm, state.event != PM_EVENT_SUSPEND &&
|
|
state.event != PM_EVENT_FREEZE))
|
|
return -EINVAL;
|
|
|
|
if (i915->drm.switch_power_state == DRM_SWITCH_POWER_OFF)
|
|
return 0;
|
|
|
|
error = i915_drm_suspend(&i915->drm);
|
|
if (error)
|
|
return error;
|
|
|
|
return i915_drm_suspend_late(&i915->drm, false);
|
|
}
|
|
|
|
static int i915_drm_resume(struct drm_device *dev)
|
|
{
|
|
struct drm_i915_private *dev_priv = to_i915(dev);
|
|
int ret;
|
|
|
|
disable_rpm_wakeref_asserts(&dev_priv->runtime_pm);
|
|
|
|
sanitize_gpu(dev_priv);
|
|
|
|
ret = i915_ggtt_enable_hw(dev_priv);
|
|
if (ret)
|
|
drm_err(&dev_priv->drm, "failed to re-enable GGTT\n");
|
|
|
|
i915_ggtt_resume(&dev_priv->ggtt);
|
|
|
|
intel_csr_ucode_resume(dev_priv);
|
|
|
|
i915_restore_state(dev_priv);
|
|
intel_pps_unlock_regs_wa(dev_priv);
|
|
|
|
intel_init_pch_refclk(dev_priv);
|
|
|
|
/*
|
|
* Interrupts have to be enabled before any batches are run. If not the
|
|
* GPU will hang. i915_gem_init_hw() will initiate batches to
|
|
* update/restore the context.
|
|
*
|
|
* drm_mode_config_reset() needs AUX interrupts.
|
|
*
|
|
* Modeset enabling in intel_modeset_init_hw() also needs working
|
|
* interrupts.
|
|
*/
|
|
intel_runtime_pm_enable_interrupts(dev_priv);
|
|
|
|
drm_mode_config_reset(dev);
|
|
|
|
i915_gem_resume(dev_priv);
|
|
|
|
intel_modeset_init_hw(dev_priv);
|
|
intel_init_clock_gating(dev_priv);
|
|
|
|
spin_lock_irq(&dev_priv->irq_lock);
|
|
if (dev_priv->display.hpd_irq_setup)
|
|
dev_priv->display.hpd_irq_setup(dev_priv);
|
|
spin_unlock_irq(&dev_priv->irq_lock);
|
|
|
|
intel_dp_mst_resume(dev_priv);
|
|
|
|
intel_display_resume(dev);
|
|
|
|
drm_kms_helper_poll_enable(dev);
|
|
|
|
/*
|
|
* ... but also need to make sure that hotplug processing
|
|
* doesn't cause havoc. Like in the driver load code we don't
|
|
* bother with the tiny race here where we might lose hotplug
|
|
* notifications.
|
|
* */
|
|
intel_hpd_init(dev_priv);
|
|
|
|
intel_opregion_resume(dev_priv);
|
|
|
|
intel_fbdev_set_suspend(dev, FBINFO_STATE_RUNNING, false);
|
|
|
|
intel_power_domains_enable(dev_priv);
|
|
|
|
enable_rpm_wakeref_asserts(&dev_priv->runtime_pm);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int i915_drm_resume_early(struct drm_device *dev)
|
|
{
|
|
struct drm_i915_private *dev_priv = to_i915(dev);
|
|
struct pci_dev *pdev = dev_priv->drm.pdev;
|
|
int ret;
|
|
|
|
/*
|
|
* We have a resume ordering issue with the snd-hda driver also
|
|
* requiring our device to be power up. Due to the lack of a
|
|
* parent/child relationship we currently solve this with an early
|
|
* resume hook.
|
|
*
|
|
* FIXME: This should be solved with a special hdmi sink device or
|
|
* similar so that power domains can be employed.
|
|
*/
|
|
|
|
/*
|
|
* Note that we need to set the power state explicitly, since we
|
|
* powered off the device during freeze and the PCI core won't power
|
|
* it back up for us during thaw. Powering off the device during
|
|
* freeze is not a hard requirement though, and during the
|
|
* suspend/resume phases the PCI core makes sure we get here with the
|
|
* device powered on. So in case we change our freeze logic and keep
|
|
* the device powered we can also remove the following set power state
|
|
* call.
|
|
*/
|
|
ret = pci_set_power_state(pdev, PCI_D0);
|
|
if (ret) {
|
|
drm_err(&dev_priv->drm,
|
|
"failed to set PCI D0 power state (%d)\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* Note that pci_enable_device() first enables any parent bridge
|
|
* device and only then sets the power state for this device. The
|
|
* bridge enabling is a nop though, since bridge devices are resumed
|
|
* first. The order of enabling power and enabling the device is
|
|
* imposed by the PCI core as described above, so here we preserve the
|
|
* same order for the freeze/thaw phases.
|
|
*
|
|
* TODO: eventually we should remove pci_disable_device() /
|
|
* pci_enable_enable_device() from suspend/resume. Due to how they
|
|
* depend on the device enable refcount we can't anyway depend on them
|
|
* disabling/enabling the device.
|
|
*/
|
|
if (pci_enable_device(pdev))
|
|
return -EIO;
|
|
|
|
pci_set_master(pdev);
|
|
|
|
disable_rpm_wakeref_asserts(&dev_priv->runtime_pm);
|
|
|
|
ret = vlv_resume_prepare(dev_priv, false);
|
|
if (ret)
|
|
drm_err(&dev_priv->drm,
|
|
"Resume prepare failed: %d, continuing anyway\n", ret);
|
|
|
|
intel_uncore_resume_early(&dev_priv->uncore);
|
|
|
|
intel_gt_check_and_clear_faults(&dev_priv->gt);
|
|
|
|
intel_display_power_resume_early(dev_priv);
|
|
|
|
intel_power_domains_resume(dev_priv);
|
|
|
|
enable_rpm_wakeref_asserts(&dev_priv->runtime_pm);
|
|
|
|
return ret;
|
|
}
|
|
|
|
int i915_resume_switcheroo(struct drm_i915_private *i915)
|
|
{
|
|
int ret;
|
|
|
|
if (i915->drm.switch_power_state == DRM_SWITCH_POWER_OFF)
|
|
return 0;
|
|
|
|
ret = i915_drm_resume_early(&i915->drm);
|
|
if (ret)
|
|
return ret;
|
|
|
|
return i915_drm_resume(&i915->drm);
|
|
}
|
|
|
|
static int i915_pm_prepare(struct device *kdev)
|
|
{
|
|
struct drm_i915_private *i915 = kdev_to_i915(kdev);
|
|
|
|
if (!i915) {
|
|
dev_err(kdev, "DRM not initialized, aborting suspend.\n");
|
|
return -ENODEV;
|
|
}
|
|
|
|
if (i915->drm.switch_power_state == DRM_SWITCH_POWER_OFF)
|
|
return 0;
|
|
|
|
return i915_drm_prepare(&i915->drm);
|
|
}
|
|
|
|
static int i915_pm_suspend(struct device *kdev)
|
|
{
|
|
struct drm_i915_private *i915 = kdev_to_i915(kdev);
|
|
|
|
if (!i915) {
|
|
dev_err(kdev, "DRM not initialized, aborting suspend.\n");
|
|
return -ENODEV;
|
|
}
|
|
|
|
if (i915->drm.switch_power_state == DRM_SWITCH_POWER_OFF)
|
|
return 0;
|
|
|
|
return i915_drm_suspend(&i915->drm);
|
|
}
|
|
|
|
static int i915_pm_suspend_late(struct device *kdev)
|
|
{
|
|
struct drm_i915_private *i915 = kdev_to_i915(kdev);
|
|
|
|
/*
|
|
* We have a suspend ordering issue with the snd-hda driver also
|
|
* requiring our device to be power up. Due to the lack of a
|
|
* parent/child relationship we currently solve this with an late
|
|
* suspend hook.
|
|
*
|
|
* FIXME: This should be solved with a special hdmi sink device or
|
|
* similar so that power domains can be employed.
|
|
*/
|
|
if (i915->drm.switch_power_state == DRM_SWITCH_POWER_OFF)
|
|
return 0;
|
|
|
|
return i915_drm_suspend_late(&i915->drm, false);
|
|
}
|
|
|
|
static int i915_pm_poweroff_late(struct device *kdev)
|
|
{
|
|
struct drm_i915_private *i915 = kdev_to_i915(kdev);
|
|
|
|
if (i915->drm.switch_power_state == DRM_SWITCH_POWER_OFF)
|
|
return 0;
|
|
|
|
return i915_drm_suspend_late(&i915->drm, true);
|
|
}
|
|
|
|
static int i915_pm_resume_early(struct device *kdev)
|
|
{
|
|
struct drm_i915_private *i915 = kdev_to_i915(kdev);
|
|
|
|
if (i915->drm.switch_power_state == DRM_SWITCH_POWER_OFF)
|
|
return 0;
|
|
|
|
return i915_drm_resume_early(&i915->drm);
|
|
}
|
|
|
|
static int i915_pm_resume(struct device *kdev)
|
|
{
|
|
struct drm_i915_private *i915 = kdev_to_i915(kdev);
|
|
|
|
if (i915->drm.switch_power_state == DRM_SWITCH_POWER_OFF)
|
|
return 0;
|
|
|
|
return i915_drm_resume(&i915->drm);
|
|
}
|
|
|
|
/* freeze: before creating the hibernation_image */
|
|
static int i915_pm_freeze(struct device *kdev)
|
|
{
|
|
struct drm_i915_private *i915 = kdev_to_i915(kdev);
|
|
int ret;
|
|
|
|
if (i915->drm.switch_power_state != DRM_SWITCH_POWER_OFF) {
|
|
ret = i915_drm_suspend(&i915->drm);
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
|
|
ret = i915_gem_freeze(i915);
|
|
if (ret)
|
|
return ret;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int i915_pm_freeze_late(struct device *kdev)
|
|
{
|
|
struct drm_i915_private *i915 = kdev_to_i915(kdev);
|
|
int ret;
|
|
|
|
if (i915->drm.switch_power_state != DRM_SWITCH_POWER_OFF) {
|
|
ret = i915_drm_suspend_late(&i915->drm, true);
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
|
|
ret = i915_gem_freeze_late(i915);
|
|
if (ret)
|
|
return ret;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* thaw: called after creating the hibernation image, but before turning off. */
|
|
static int i915_pm_thaw_early(struct device *kdev)
|
|
{
|
|
return i915_pm_resume_early(kdev);
|
|
}
|
|
|
|
static int i915_pm_thaw(struct device *kdev)
|
|
{
|
|
return i915_pm_resume(kdev);
|
|
}
|
|
|
|
/* restore: called after loading the hibernation image. */
|
|
static int i915_pm_restore_early(struct device *kdev)
|
|
{
|
|
return i915_pm_resume_early(kdev);
|
|
}
|
|
|
|
static int i915_pm_restore(struct device *kdev)
|
|
{
|
|
return i915_pm_resume(kdev);
|
|
}
|
|
|
|
static int intel_runtime_suspend(struct device *kdev)
|
|
{
|
|
struct drm_i915_private *dev_priv = kdev_to_i915(kdev);
|
|
struct intel_runtime_pm *rpm = &dev_priv->runtime_pm;
|
|
int ret;
|
|
|
|
if (drm_WARN_ON_ONCE(&dev_priv->drm, !HAS_RUNTIME_PM(dev_priv)))
|
|
return -ENODEV;
|
|
|
|
drm_dbg_kms(&dev_priv->drm, "Suspending device\n");
|
|
|
|
disable_rpm_wakeref_asserts(rpm);
|
|
|
|
/*
|
|
* We are safe here against re-faults, since the fault handler takes
|
|
* an RPM reference.
|
|
*/
|
|
i915_gem_runtime_suspend(dev_priv);
|
|
|
|
intel_gt_runtime_suspend(&dev_priv->gt);
|
|
|
|
intel_runtime_pm_disable_interrupts(dev_priv);
|
|
|
|
intel_uncore_suspend(&dev_priv->uncore);
|
|
|
|
intel_display_power_suspend(dev_priv);
|
|
|
|
ret = vlv_suspend_complete(dev_priv);
|
|
if (ret) {
|
|
drm_err(&dev_priv->drm,
|
|
"Runtime suspend failed, disabling it (%d)\n", ret);
|
|
intel_uncore_runtime_resume(&dev_priv->uncore);
|
|
|
|
intel_runtime_pm_enable_interrupts(dev_priv);
|
|
|
|
intel_gt_runtime_resume(&dev_priv->gt);
|
|
|
|
enable_rpm_wakeref_asserts(rpm);
|
|
|
|
return ret;
|
|
}
|
|
|
|
enable_rpm_wakeref_asserts(rpm);
|
|
intel_runtime_pm_driver_release(rpm);
|
|
|
|
if (intel_uncore_arm_unclaimed_mmio_detection(&dev_priv->uncore))
|
|
drm_err(&dev_priv->drm,
|
|
"Unclaimed access detected prior to suspending\n");
|
|
|
|
rpm->suspended = true;
|
|
|
|
/*
|
|
* FIXME: We really should find a document that references the arguments
|
|
* used below!
|
|
*/
|
|
if (IS_BROADWELL(dev_priv)) {
|
|
/*
|
|
* On Broadwell, if we use PCI_D1 the PCH DDI ports will stop
|
|
* being detected, and the call we do at intel_runtime_resume()
|
|
* won't be able to restore them. Since PCI_D3hot matches the
|
|
* actual specification and appears to be working, use it.
|
|
*/
|
|
intel_opregion_notify_adapter(dev_priv, PCI_D3hot);
|
|
} else {
|
|
/*
|
|
* current versions of firmware which depend on this opregion
|
|
* notification have repurposed the D1 definition to mean
|
|
* "runtime suspended" vs. what you would normally expect (D3)
|
|
* to distinguish it from notifications that might be sent via
|
|
* the suspend path.
|
|
*/
|
|
intel_opregion_notify_adapter(dev_priv, PCI_D1);
|
|
}
|
|
|
|
assert_forcewakes_inactive(&dev_priv->uncore);
|
|
|
|
if (!IS_VALLEYVIEW(dev_priv) && !IS_CHERRYVIEW(dev_priv))
|
|
intel_hpd_poll_init(dev_priv);
|
|
|
|
drm_dbg_kms(&dev_priv->drm, "Device suspended\n");
|
|
return 0;
|
|
}
|
|
|
|
static int intel_runtime_resume(struct device *kdev)
|
|
{
|
|
struct drm_i915_private *dev_priv = kdev_to_i915(kdev);
|
|
struct intel_runtime_pm *rpm = &dev_priv->runtime_pm;
|
|
int ret;
|
|
|
|
if (drm_WARN_ON_ONCE(&dev_priv->drm, !HAS_RUNTIME_PM(dev_priv)))
|
|
return -ENODEV;
|
|
|
|
drm_dbg_kms(&dev_priv->drm, "Resuming device\n");
|
|
|
|
drm_WARN_ON_ONCE(&dev_priv->drm, atomic_read(&rpm->wakeref_count));
|
|
disable_rpm_wakeref_asserts(rpm);
|
|
|
|
intel_opregion_notify_adapter(dev_priv, PCI_D0);
|
|
rpm->suspended = false;
|
|
if (intel_uncore_unclaimed_mmio(&dev_priv->uncore))
|
|
drm_dbg(&dev_priv->drm,
|
|
"Unclaimed access during suspend, bios?\n");
|
|
|
|
intel_display_power_resume(dev_priv);
|
|
|
|
ret = vlv_resume_prepare(dev_priv, true);
|
|
|
|
intel_uncore_runtime_resume(&dev_priv->uncore);
|
|
|
|
intel_runtime_pm_enable_interrupts(dev_priv);
|
|
|
|
/*
|
|
* No point of rolling back things in case of an error, as the best
|
|
* we can do is to hope that things will still work (and disable RPM).
|
|
*/
|
|
intel_gt_runtime_resume(&dev_priv->gt);
|
|
|
|
/*
|
|
* On VLV/CHV display interrupts are part of the display
|
|
* power well, so hpd is reinitialized from there. For
|
|
* everyone else do it here.
|
|
*/
|
|
if (!IS_VALLEYVIEW(dev_priv) && !IS_CHERRYVIEW(dev_priv))
|
|
intel_hpd_init(dev_priv);
|
|
|
|
intel_enable_ipc(dev_priv);
|
|
|
|
enable_rpm_wakeref_asserts(rpm);
|
|
|
|
if (ret)
|
|
drm_err(&dev_priv->drm,
|
|
"Runtime resume failed, disabling it (%d)\n", ret);
|
|
else
|
|
drm_dbg_kms(&dev_priv->drm, "Device resumed\n");
|
|
|
|
return ret;
|
|
}
|
|
|
|
const struct dev_pm_ops i915_pm_ops = {
|
|
/*
|
|
* S0ix (via system suspend) and S3 event handlers [PMSG_SUSPEND,
|
|
* PMSG_RESUME]
|
|
*/
|
|
.prepare = i915_pm_prepare,
|
|
.suspend = i915_pm_suspend,
|
|
.suspend_late = i915_pm_suspend_late,
|
|
.resume_early = i915_pm_resume_early,
|
|
.resume = i915_pm_resume,
|
|
|
|
/*
|
|
* S4 event handlers
|
|
* @freeze, @freeze_late : called (1) before creating the
|
|
* hibernation image [PMSG_FREEZE] and
|
|
* (2) after rebooting, before restoring
|
|
* the image [PMSG_QUIESCE]
|
|
* @thaw, @thaw_early : called (1) after creating the hibernation
|
|
* image, before writing it [PMSG_THAW]
|
|
* and (2) after failing to create or
|
|
* restore the image [PMSG_RECOVER]
|
|
* @poweroff, @poweroff_late: called after writing the hibernation
|
|
* image, before rebooting [PMSG_HIBERNATE]
|
|
* @restore, @restore_early : called after rebooting and restoring the
|
|
* hibernation image [PMSG_RESTORE]
|
|
*/
|
|
.freeze = i915_pm_freeze,
|
|
.freeze_late = i915_pm_freeze_late,
|
|
.thaw_early = i915_pm_thaw_early,
|
|
.thaw = i915_pm_thaw,
|
|
.poweroff = i915_pm_suspend,
|
|
.poweroff_late = i915_pm_poweroff_late,
|
|
.restore_early = i915_pm_restore_early,
|
|
.restore = i915_pm_restore,
|
|
|
|
/* S0ix (via runtime suspend) event handlers */
|
|
.runtime_suspend = intel_runtime_suspend,
|
|
.runtime_resume = intel_runtime_resume,
|
|
};
|
|
|
|
static const struct file_operations i915_driver_fops = {
|
|
.owner = THIS_MODULE,
|
|
.open = drm_open,
|
|
.release = drm_release_noglobal,
|
|
.unlocked_ioctl = drm_ioctl,
|
|
.mmap = i915_gem_mmap,
|
|
.poll = drm_poll,
|
|
.read = drm_read,
|
|
.compat_ioctl = i915_ioc32_compat_ioctl,
|
|
.llseek = noop_llseek,
|
|
};
|
|
|
|
static int
|
|
i915_gem_reject_pin_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file)
|
|
{
|
|
return -ENODEV;
|
|
}
|
|
|
|
static const struct drm_ioctl_desc i915_ioctls[] = {
|
|
DRM_IOCTL_DEF_DRV(I915_INIT, drm_noop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
|
|
DRM_IOCTL_DEF_DRV(I915_FLUSH, drm_noop, DRM_AUTH),
|
|
DRM_IOCTL_DEF_DRV(I915_FLIP, drm_noop, DRM_AUTH),
|
|
DRM_IOCTL_DEF_DRV(I915_BATCHBUFFER, drm_noop, DRM_AUTH),
|
|
DRM_IOCTL_DEF_DRV(I915_IRQ_EMIT, drm_noop, DRM_AUTH),
|
|
DRM_IOCTL_DEF_DRV(I915_IRQ_WAIT, drm_noop, DRM_AUTH),
|
|
DRM_IOCTL_DEF_DRV(I915_GETPARAM, i915_getparam_ioctl, DRM_RENDER_ALLOW),
|
|
DRM_IOCTL_DEF_DRV(I915_SETPARAM, drm_noop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
|
|
DRM_IOCTL_DEF_DRV(I915_ALLOC, drm_noop, DRM_AUTH),
|
|
DRM_IOCTL_DEF_DRV(I915_FREE, drm_noop, DRM_AUTH),
|
|
DRM_IOCTL_DEF_DRV(I915_INIT_HEAP, drm_noop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
|
|
DRM_IOCTL_DEF_DRV(I915_CMDBUFFER, drm_noop, DRM_AUTH),
|
|
DRM_IOCTL_DEF_DRV(I915_DESTROY_HEAP, drm_noop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
|
|
DRM_IOCTL_DEF_DRV(I915_SET_VBLANK_PIPE, drm_noop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
|
|
DRM_IOCTL_DEF_DRV(I915_GET_VBLANK_PIPE, drm_noop, DRM_AUTH),
|
|
DRM_IOCTL_DEF_DRV(I915_VBLANK_SWAP, drm_noop, DRM_AUTH),
|
|
DRM_IOCTL_DEF_DRV(I915_HWS_ADDR, drm_noop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
|
|
DRM_IOCTL_DEF_DRV(I915_GEM_INIT, drm_noop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
|
|
DRM_IOCTL_DEF_DRV(I915_GEM_EXECBUFFER, i915_gem_execbuffer_ioctl, DRM_AUTH),
|
|
DRM_IOCTL_DEF_DRV(I915_GEM_EXECBUFFER2_WR, i915_gem_execbuffer2_ioctl, DRM_RENDER_ALLOW),
|
|
DRM_IOCTL_DEF_DRV(I915_GEM_PIN, i915_gem_reject_pin_ioctl, DRM_AUTH|DRM_ROOT_ONLY),
|
|
DRM_IOCTL_DEF_DRV(I915_GEM_UNPIN, i915_gem_reject_pin_ioctl, DRM_AUTH|DRM_ROOT_ONLY),
|
|
DRM_IOCTL_DEF_DRV(I915_GEM_BUSY, i915_gem_busy_ioctl, DRM_RENDER_ALLOW),
|
|
DRM_IOCTL_DEF_DRV(I915_GEM_SET_CACHING, i915_gem_set_caching_ioctl, DRM_RENDER_ALLOW),
|
|
DRM_IOCTL_DEF_DRV(I915_GEM_GET_CACHING, i915_gem_get_caching_ioctl, DRM_RENDER_ALLOW),
|
|
DRM_IOCTL_DEF_DRV(I915_GEM_THROTTLE, i915_gem_throttle_ioctl, DRM_RENDER_ALLOW),
|
|
DRM_IOCTL_DEF_DRV(I915_GEM_ENTERVT, drm_noop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
|
|
DRM_IOCTL_DEF_DRV(I915_GEM_LEAVEVT, drm_noop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
|
|
DRM_IOCTL_DEF_DRV(I915_GEM_CREATE, i915_gem_create_ioctl, DRM_RENDER_ALLOW),
|
|
DRM_IOCTL_DEF_DRV(I915_GEM_PREAD, i915_gem_pread_ioctl, DRM_RENDER_ALLOW),
|
|
DRM_IOCTL_DEF_DRV(I915_GEM_PWRITE, i915_gem_pwrite_ioctl, DRM_RENDER_ALLOW),
|
|
DRM_IOCTL_DEF_DRV(I915_GEM_MMAP, i915_gem_mmap_ioctl, DRM_RENDER_ALLOW),
|
|
DRM_IOCTL_DEF_DRV(I915_GEM_MMAP_OFFSET, i915_gem_mmap_offset_ioctl, DRM_RENDER_ALLOW),
|
|
DRM_IOCTL_DEF_DRV(I915_GEM_SET_DOMAIN, i915_gem_set_domain_ioctl, DRM_RENDER_ALLOW),
|
|
DRM_IOCTL_DEF_DRV(I915_GEM_SW_FINISH, i915_gem_sw_finish_ioctl, DRM_RENDER_ALLOW),
|
|
DRM_IOCTL_DEF_DRV(I915_GEM_SET_TILING, i915_gem_set_tiling_ioctl, DRM_RENDER_ALLOW),
|
|
DRM_IOCTL_DEF_DRV(I915_GEM_GET_TILING, i915_gem_get_tiling_ioctl, DRM_RENDER_ALLOW),
|
|
DRM_IOCTL_DEF_DRV(I915_GEM_GET_APERTURE, i915_gem_get_aperture_ioctl, DRM_RENDER_ALLOW),
|
|
DRM_IOCTL_DEF_DRV(I915_GET_PIPE_FROM_CRTC_ID, intel_get_pipe_from_crtc_id_ioctl, 0),
|
|
DRM_IOCTL_DEF_DRV(I915_GEM_MADVISE, i915_gem_madvise_ioctl, DRM_RENDER_ALLOW),
|
|
DRM_IOCTL_DEF_DRV(I915_OVERLAY_PUT_IMAGE, intel_overlay_put_image_ioctl, DRM_MASTER),
|
|
DRM_IOCTL_DEF_DRV(I915_OVERLAY_ATTRS, intel_overlay_attrs_ioctl, DRM_MASTER),
|
|
DRM_IOCTL_DEF_DRV(I915_SET_SPRITE_COLORKEY, intel_sprite_set_colorkey_ioctl, DRM_MASTER),
|
|
DRM_IOCTL_DEF_DRV(I915_GET_SPRITE_COLORKEY, drm_noop, DRM_MASTER),
|
|
DRM_IOCTL_DEF_DRV(I915_GEM_WAIT, i915_gem_wait_ioctl, DRM_RENDER_ALLOW),
|
|
DRM_IOCTL_DEF_DRV(I915_GEM_CONTEXT_CREATE_EXT, i915_gem_context_create_ioctl, DRM_RENDER_ALLOW),
|
|
DRM_IOCTL_DEF_DRV(I915_GEM_CONTEXT_DESTROY, i915_gem_context_destroy_ioctl, DRM_RENDER_ALLOW),
|
|
DRM_IOCTL_DEF_DRV(I915_REG_READ, i915_reg_read_ioctl, DRM_RENDER_ALLOW),
|
|
DRM_IOCTL_DEF_DRV(I915_GET_RESET_STATS, i915_gem_context_reset_stats_ioctl, DRM_RENDER_ALLOW),
|
|
DRM_IOCTL_DEF_DRV(I915_GEM_USERPTR, i915_gem_userptr_ioctl, DRM_RENDER_ALLOW),
|
|
DRM_IOCTL_DEF_DRV(I915_GEM_CONTEXT_GETPARAM, i915_gem_context_getparam_ioctl, DRM_RENDER_ALLOW),
|
|
DRM_IOCTL_DEF_DRV(I915_GEM_CONTEXT_SETPARAM, i915_gem_context_setparam_ioctl, DRM_RENDER_ALLOW),
|
|
DRM_IOCTL_DEF_DRV(I915_PERF_OPEN, i915_perf_open_ioctl, DRM_RENDER_ALLOW),
|
|
DRM_IOCTL_DEF_DRV(I915_PERF_ADD_CONFIG, i915_perf_add_config_ioctl, DRM_RENDER_ALLOW),
|
|
DRM_IOCTL_DEF_DRV(I915_PERF_REMOVE_CONFIG, i915_perf_remove_config_ioctl, DRM_RENDER_ALLOW),
|
|
DRM_IOCTL_DEF_DRV(I915_QUERY, i915_query_ioctl, DRM_RENDER_ALLOW),
|
|
DRM_IOCTL_DEF_DRV(I915_GEM_VM_CREATE, i915_gem_vm_create_ioctl, DRM_RENDER_ALLOW),
|
|
DRM_IOCTL_DEF_DRV(I915_GEM_VM_DESTROY, i915_gem_vm_destroy_ioctl, DRM_RENDER_ALLOW),
|
|
};
|
|
|
|
static struct drm_driver driver = {
|
|
/* Don't use MTRRs here; the Xserver or userspace app should
|
|
* deal with them for Intel hardware.
|
|
*/
|
|
.driver_features =
|
|
DRIVER_GEM |
|
|
DRIVER_RENDER | DRIVER_MODESET | DRIVER_ATOMIC | DRIVER_SYNCOBJ,
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.release = i915_driver_release,
|
|
.open = i915_driver_open,
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|
.lastclose = i915_driver_lastclose,
|
|
.postclose = i915_driver_postclose,
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|
|
|
.gem_close_object = i915_gem_close_object,
|
|
.gem_free_object_unlocked = i915_gem_free_object,
|
|
|
|
.prime_handle_to_fd = drm_gem_prime_handle_to_fd,
|
|
.prime_fd_to_handle = drm_gem_prime_fd_to_handle,
|
|
.gem_prime_export = i915_gem_prime_export,
|
|
.gem_prime_import = i915_gem_prime_import,
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|
|
|
.dumb_create = i915_gem_dumb_create,
|
|
.dumb_map_offset = i915_gem_dumb_mmap_offset,
|
|
|
|
.ioctls = i915_ioctls,
|
|
.num_ioctls = ARRAY_SIZE(i915_ioctls),
|
|
.fops = &i915_driver_fops,
|
|
.name = DRIVER_NAME,
|
|
.desc = DRIVER_DESC,
|
|
.date = DRIVER_DATE,
|
|
.major = DRIVER_MAJOR,
|
|
.minor = DRIVER_MINOR,
|
|
.patchlevel = DRIVER_PATCHLEVEL,
|
|
};
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