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path: root/drivers/gpu/drm/i915/i915_drv.c
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Diffstat (limited to 'drivers/gpu/drm/i915/i915_drv.c')
-rw-r--r--drivers/gpu/drm/i915/i915_drv.c1956
1 files changed, 1398 insertions, 558 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 85c4debf47e0..95ddd56b89f0 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -27,400 +27,92 @@
*
*/
-#include <linux/device.h>
#include <linux/acpi.h>
-#include <drm/drmP.h>
-#include <drm/i915_drm.h>
-#include "i915_drv.h"
-#include "i915_trace.h"
-#include "intel_drv.h"
-
-#include <linux/apple-gmux.h>
-#include <linux/console.h>
+#include <linux/device.h>
+#include <linux/oom.h>
#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/pm.h>
#include <linux/pm_runtime.h>
+#include <linux/pnp.h>
+#include <linux/slab.h>
#include <linux/vgaarb.h>
#include <linux/vga_switcheroo.h>
-#include <drm/drm_crtc_helper.h>
-
-static struct drm_driver driver;
-
-#define GEN_DEFAULT_PIPEOFFSETS \
- .pipe_offsets = { PIPE_A_OFFSET, PIPE_B_OFFSET, \
- PIPE_C_OFFSET, PIPE_EDP_OFFSET }, \
- .trans_offsets = { TRANSCODER_A_OFFSET, TRANSCODER_B_OFFSET, \
- TRANSCODER_C_OFFSET, TRANSCODER_EDP_OFFSET }, \
- .palette_offsets = { PALETTE_A_OFFSET, PALETTE_B_OFFSET }
-
-#define GEN_CHV_PIPEOFFSETS \
- .pipe_offsets = { PIPE_A_OFFSET, PIPE_B_OFFSET, \
- CHV_PIPE_C_OFFSET }, \
- .trans_offsets = { TRANSCODER_A_OFFSET, TRANSCODER_B_OFFSET, \
- CHV_TRANSCODER_C_OFFSET, }, \
- .palette_offsets = { PALETTE_A_OFFSET, PALETTE_B_OFFSET, \
- CHV_PALETTE_C_OFFSET }
-
-#define CURSOR_OFFSETS \
- .cursor_offsets = { CURSOR_A_OFFSET, CURSOR_B_OFFSET, CHV_CURSOR_C_OFFSET }
-
-#define IVB_CURSOR_OFFSETS \
- .cursor_offsets = { CURSOR_A_OFFSET, IVB_CURSOR_B_OFFSET, IVB_CURSOR_C_OFFSET }
-
-#define BDW_COLORS \
- .color = { .degamma_lut_size = 512, .gamma_lut_size = 512 }
-#define CHV_COLORS \
- .color = { .degamma_lut_size = 65, .gamma_lut_size = 257 }
-
-static const struct intel_device_info intel_i830_info = {
- .gen = 2, .is_mobile = 1, .cursor_needs_physical = 1, .num_pipes = 2,
- .has_overlay = 1, .overlay_needs_physical = 1,
- .ring_mask = RENDER_RING,
- GEN_DEFAULT_PIPEOFFSETS,
- CURSOR_OFFSETS,
-};
-
-static const struct intel_device_info intel_845g_info = {
- .gen = 2, .num_pipes = 1,
- .has_overlay = 1, .overlay_needs_physical = 1,
- .ring_mask = RENDER_RING,
- GEN_DEFAULT_PIPEOFFSETS,
- CURSOR_OFFSETS,
-};
-
-static const struct intel_device_info intel_i85x_info = {
- .gen = 2, .is_i85x = 1, .is_mobile = 1, .num_pipes = 2,
- .cursor_needs_physical = 1,
- .has_overlay = 1, .overlay_needs_physical = 1,
- .has_fbc = 1,
- .ring_mask = RENDER_RING,
- GEN_DEFAULT_PIPEOFFSETS,
- CURSOR_OFFSETS,
-};
-
-static const struct intel_device_info intel_i865g_info = {
- .gen = 2, .num_pipes = 1,
- .has_overlay = 1, .overlay_needs_physical = 1,
- .ring_mask = RENDER_RING,
- GEN_DEFAULT_PIPEOFFSETS,
- CURSOR_OFFSETS,
-};
-
-static const struct intel_device_info intel_i915g_info = {
- .gen = 3, .is_i915g = 1, .cursor_needs_physical = 1, .num_pipes = 2,
- .has_overlay = 1, .overlay_needs_physical = 1,
- .ring_mask = RENDER_RING,
- GEN_DEFAULT_PIPEOFFSETS,
- CURSOR_OFFSETS,
-};
-static const struct intel_device_info intel_i915gm_info = {
- .gen = 3, .is_mobile = 1, .num_pipes = 2,
- .cursor_needs_physical = 1,
- .has_overlay = 1, .overlay_needs_physical = 1,
- .supports_tv = 1,
- .has_fbc = 1,
- .ring_mask = RENDER_RING,
- GEN_DEFAULT_PIPEOFFSETS,
- CURSOR_OFFSETS,
-};
-static const struct intel_device_info intel_i945g_info = {
- .gen = 3, .has_hotplug = 1, .cursor_needs_physical = 1, .num_pipes = 2,
- .has_overlay = 1, .overlay_needs_physical = 1,
- .ring_mask = RENDER_RING,
- GEN_DEFAULT_PIPEOFFSETS,
- CURSOR_OFFSETS,
-};
-static const struct intel_device_info intel_i945gm_info = {
- .gen = 3, .is_i945gm = 1, .is_mobile = 1, .num_pipes = 2,
- .has_hotplug = 1, .cursor_needs_physical = 1,
- .has_overlay = 1, .overlay_needs_physical = 1,
- .supports_tv = 1,
- .has_fbc = 1,
- .ring_mask = RENDER_RING,
- GEN_DEFAULT_PIPEOFFSETS,
- CURSOR_OFFSETS,
-};
-
-static const struct intel_device_info intel_i965g_info = {
- .gen = 4, .is_broadwater = 1, .num_pipes = 2,
- .has_hotplug = 1,
- .has_overlay = 1,
- .ring_mask = RENDER_RING,
- GEN_DEFAULT_PIPEOFFSETS,
- CURSOR_OFFSETS,
-};
-
-static const struct intel_device_info intel_i965gm_info = {
- .gen = 4, .is_crestline = 1, .num_pipes = 2,
- .is_mobile = 1, .has_fbc = 1, .has_hotplug = 1,
- .has_overlay = 1,
- .supports_tv = 1,
- .ring_mask = RENDER_RING,
- GEN_DEFAULT_PIPEOFFSETS,
- CURSOR_OFFSETS,
-};
-
-static const struct intel_device_info intel_g33_info = {
- .gen = 3, .is_g33 = 1, .num_pipes = 2,
- .need_gfx_hws = 1, .has_hotplug = 1,
- .has_overlay = 1,
- .ring_mask = RENDER_RING,
- GEN_DEFAULT_PIPEOFFSETS,
- CURSOR_OFFSETS,
-};
-
-static const struct intel_device_info intel_g45_info = {
- .gen = 4, .is_g4x = 1, .need_gfx_hws = 1, .num_pipes = 2,
- .has_pipe_cxsr = 1, .has_hotplug = 1,
- .ring_mask = RENDER_RING | BSD_RING,
- GEN_DEFAULT_PIPEOFFSETS,
- CURSOR_OFFSETS,
-};
-
-static const struct intel_device_info intel_gm45_info = {
- .gen = 4, .is_g4x = 1, .num_pipes = 2,
- .is_mobile = 1, .need_gfx_hws = 1, .has_fbc = 1,
- .has_pipe_cxsr = 1, .has_hotplug = 1,
- .supports_tv = 1,
- .ring_mask = RENDER_RING | BSD_RING,
- GEN_DEFAULT_PIPEOFFSETS,
- CURSOR_OFFSETS,
-};
-
-static const struct intel_device_info intel_pineview_info = {
- .gen = 3, .is_g33 = 1, .is_pineview = 1, .is_mobile = 1, .num_pipes = 2,
- .need_gfx_hws = 1, .has_hotplug = 1,
- .has_overlay = 1,
- GEN_DEFAULT_PIPEOFFSETS,
- CURSOR_OFFSETS,
-};
-
-static const struct intel_device_info intel_ironlake_d_info = {
- .gen = 5, .num_pipes = 2,
- .need_gfx_hws = 1, .has_hotplug = 1,
- .ring_mask = RENDER_RING | BSD_RING,
- GEN_DEFAULT_PIPEOFFSETS,
- CURSOR_OFFSETS,
-};
+#include <linux/vt.h>
+#include <acpi/video.h>
-static const struct intel_device_info intel_ironlake_m_info = {
- .gen = 5, .is_mobile = 1, .num_pipes = 2,
- .need_gfx_hws = 1, .has_hotplug = 1,
- .has_fbc = 1,
- .ring_mask = RENDER_RING | BSD_RING,
- GEN_DEFAULT_PIPEOFFSETS,
- CURSOR_OFFSETS,
-};
-
-static const struct intel_device_info intel_sandybridge_d_info = {
- .gen = 6, .num_pipes = 2,
- .need_gfx_hws = 1, .has_hotplug = 1,
- .has_fbc = 1,
- .ring_mask = RENDER_RING | BSD_RING | BLT_RING,
- .has_llc = 1,
- GEN_DEFAULT_PIPEOFFSETS,
- CURSOR_OFFSETS,
-};
-
-static const struct intel_device_info intel_sandybridge_m_info = {
- .gen = 6, .is_mobile = 1, .num_pipes = 2,
- .need_gfx_hws = 1, .has_hotplug = 1,
- .has_fbc = 1,
- .ring_mask = RENDER_RING | BSD_RING | BLT_RING,
- .has_llc = 1,
- GEN_DEFAULT_PIPEOFFSETS,
- CURSOR_OFFSETS,
-};
-
-#define GEN7_FEATURES \
- .gen = 7, .num_pipes = 3, \
- .need_gfx_hws = 1, .has_hotplug = 1, \
- .has_fbc = 1, \
- .ring_mask = RENDER_RING | BSD_RING | BLT_RING, \
- .has_llc = 1, \
- GEN_DEFAULT_PIPEOFFSETS, \
- IVB_CURSOR_OFFSETS
-
-static const struct intel_device_info intel_ivybridge_d_info = {
- GEN7_FEATURES,
- .is_ivybridge = 1,
-};
-
-static const struct intel_device_info intel_ivybridge_m_info = {
- GEN7_FEATURES,
- .is_ivybridge = 1,
- .is_mobile = 1,
-};
-
-static const struct intel_device_info intel_ivybridge_q_info = {
- GEN7_FEATURES,
- .is_ivybridge = 1,
- .num_pipes = 0, /* legal, last one wins */
-};
-
-#define VLV_FEATURES \
- .gen = 7, .num_pipes = 2, \
- .need_gfx_hws = 1, .has_hotplug = 1, \
- .ring_mask = RENDER_RING | BSD_RING | BLT_RING, \
- .display_mmio_offset = VLV_DISPLAY_BASE, \
- GEN_DEFAULT_PIPEOFFSETS, \
- CURSOR_OFFSETS
-
-static const struct intel_device_info intel_valleyview_m_info = {
- VLV_FEATURES,
- .is_valleyview = 1,
- .is_mobile = 1,
-};
+#include <drm/drmP.h>
+#include <drm/drm_crtc_helper.h>
+#include <drm/i915_drm.h>
-static const struct intel_device_info intel_valleyview_d_info = {
- VLV_FEATURES,
- .is_valleyview = 1,
-};
+#include "i915_drv.h"
+#include "i915_trace.h"
+#include "i915_vgpu.h"
+#include "intel_drv.h"
-#define HSW_FEATURES \
- GEN7_FEATURES, \
- .ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING, \
- .has_ddi = 1, \
- .has_fpga_dbg = 1
+static struct drm_driver driver;
-static const struct intel_device_info intel_haswell_d_info = {
- HSW_FEATURES,
- .is_haswell = 1,
-};
+static unsigned int i915_load_fail_count;
-static const struct intel_device_info intel_haswell_m_info = {
- HSW_FEATURES,
- .is_haswell = 1,
- .is_mobile = 1,
-};
+bool __i915_inject_load_failure(const char *func, int line)
+{
+ if (i915_load_fail_count >= i915.inject_load_failure)
+ return false;
-#define BDW_FEATURES \
- HSW_FEATURES, \
- BDW_COLORS
+ if (++i915_load_fail_count == i915.inject_load_failure) {
+ DRM_INFO("Injecting failure at checkpoint %u [%s:%d]\n",
+ i915.inject_load_failure, func, line);
+ return true;
+ }
-static const struct intel_device_info intel_broadwell_d_info = {
- BDW_FEATURES,
- .gen = 8,
-};
+ return false;
+}
-static const struct intel_device_info intel_broadwell_m_info = {
- BDW_FEATURES,
- .gen = 8, .is_mobile = 1,
-};
+#define FDO_BUG_URL "https://bugs.freedesktop.org/enter_bug.cgi?product=DRI"
+#define FDO_BUG_MSG "Please file a bug at " FDO_BUG_URL " against DRM/Intel " \
+ "providing the dmesg log by booting with drm.debug=0xf"
-static const struct intel_device_info intel_broadwell_gt3d_info = {
- BDW_FEATURES,
- .gen = 8,
- .ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING | BSD2_RING,
-};
+void
+__i915_printk(struct drm_i915_private *dev_priv, const char *level,
+ const char *fmt, ...)
+{
+ static bool shown_bug_once;
+ struct device *dev = dev_priv->drm.dev;
+ bool is_error = level[1] <= KERN_ERR[1];
+ bool is_debug = level[1] == KERN_DEBUG[1];
+ struct va_format vaf;
+ va_list args;
+
+ if (is_debug && !(drm_debug & DRM_UT_DRIVER))
+ return;
-static const struct intel_device_info intel_broadwell_gt3m_info = {
- BDW_FEATURES,
- .gen = 8, .is_mobile = 1,
- .ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING | BSD2_RING,
-};
+ va_start(args, fmt);
-static const struct intel_device_info intel_cherryview_info = {
- .gen = 8, .num_pipes = 3,
- .need_gfx_hws = 1, .has_hotplug = 1,
- .ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING,
- .is_cherryview = 1,
- .display_mmio_offset = VLV_DISPLAY_BASE,
- GEN_CHV_PIPEOFFSETS,
- CURSOR_OFFSETS,
- CHV_COLORS,
-};
+ vaf.fmt = fmt;
+ vaf.va = &args;
-static const struct intel_device_info intel_skylake_info = {
- BDW_FEATURES,
- .is_skylake = 1,
- .gen = 9,
-};
+ dev_printk(level, dev, "[" DRM_NAME ":%ps] %pV",
+ __builtin_return_address(0), &vaf);
-static const struct intel_device_info intel_skylake_gt3_info = {
- BDW_FEATURES,
- .is_skylake = 1,
- .gen = 9,
- .ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING | BSD2_RING,
-};
+ if (is_error && !shown_bug_once) {
+ dev_notice(dev, "%s", FDO_BUG_MSG);
+ shown_bug_once = true;
+ }
-static const struct intel_device_info intel_broxton_info = {
- .is_preliminary = 1,
- .is_broxton = 1,
- .gen = 9,
- .need_gfx_hws = 1, .has_hotplug = 1,
- .ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING,
- .num_pipes = 3,
- .has_ddi = 1,
- .has_fpga_dbg = 1,
- .has_fbc = 1,
- GEN_DEFAULT_PIPEOFFSETS,
- IVB_CURSOR_OFFSETS,
- BDW_COLORS,
-};
+ va_end(args);
+}
-static const struct intel_device_info intel_kabylake_info = {
- BDW_FEATURES,
- .is_kabylake = 1,
- .gen = 9,
-};
+static bool i915_error_injected(struct drm_i915_private *dev_priv)
+{
+ return i915.inject_load_failure &&
+ i915_load_fail_count == i915.inject_load_failure;
+}
-static const struct intel_device_info intel_kabylake_gt3_info = {
- BDW_FEATURES,
- .is_kabylake = 1,
- .gen = 9,
- .ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING | BSD2_RING,
-};
+#define i915_load_error(dev_priv, fmt, ...) \
+ __i915_printk(dev_priv, \
+ i915_error_injected(dev_priv) ? KERN_DEBUG : KERN_ERR, \
+ fmt, ##__VA_ARGS__)
-/*
- * Make sure any device matches here are from most specific to most
- * general. For example, since the Quanta match is based on the subsystem
- * and subvendor IDs, we need it to come before the more general IVB
- * PCI ID matches, otherwise we'll use the wrong info struct above.
- */
-static const struct pci_device_id pciidlist[] = {
- INTEL_I830_IDS(&intel_i830_info),
- INTEL_I845G_IDS(&intel_845g_info),
- INTEL_I85X_IDS(&intel_i85x_info),
- INTEL_I865G_IDS(&intel_i865g_info),
- INTEL_I915G_IDS(&intel_i915g_info),
- INTEL_I915GM_IDS(&intel_i915gm_info),
- INTEL_I945G_IDS(&intel_i945g_info),
- INTEL_I945GM_IDS(&intel_i945gm_info),
- INTEL_I965G_IDS(&intel_i965g_info),
- INTEL_G33_IDS(&intel_g33_info),
- INTEL_I965GM_IDS(&intel_i965gm_info),
- INTEL_GM45_IDS(&intel_gm45_info),
- INTEL_G45_IDS(&intel_g45_info),
- INTEL_PINEVIEW_IDS(&intel_pineview_info),
- INTEL_IRONLAKE_D_IDS(&intel_ironlake_d_info),
- INTEL_IRONLAKE_M_IDS(&intel_ironlake_m_info),
- INTEL_SNB_D_IDS(&intel_sandybridge_d_info),
- INTEL_SNB_M_IDS(&intel_sandybridge_m_info),
- INTEL_IVB_Q_IDS(&intel_ivybridge_q_info), /* must be first IVB */
- INTEL_IVB_M_IDS(&intel_ivybridge_m_info),
- INTEL_IVB_D_IDS(&intel_ivybridge_d_info),
- INTEL_HSW_D_IDS(&intel_haswell_d_info),
- INTEL_HSW_M_IDS(&intel_haswell_m_info),
- INTEL_VLV_M_IDS(&intel_valleyview_m_info),
- INTEL_VLV_D_IDS(&intel_valleyview_d_info),
- INTEL_BDW_GT12M_IDS(&intel_broadwell_m_info),
- INTEL_BDW_GT12D_IDS(&intel_broadwell_d_info),
- INTEL_BDW_GT3M_IDS(&intel_broadwell_gt3m_info),
- INTEL_BDW_GT3D_IDS(&intel_broadwell_gt3d_info),
- INTEL_CHV_IDS(&intel_cherryview_info),
- INTEL_SKL_GT1_IDS(&intel_skylake_info),
- INTEL_SKL_GT2_IDS(&intel_skylake_info),
- INTEL_SKL_GT3_IDS(&intel_skylake_gt3_info),
- INTEL_SKL_GT4_IDS(&intel_skylake_gt3_info),
- INTEL_BXT_IDS(&intel_broxton_info),
- INTEL_KBL_GT1_IDS(&intel_kabylake_info),
- INTEL_KBL_GT2_IDS(&intel_kabylake_info),
- INTEL_KBL_GT3_IDS(&intel_kabylake_gt3_info),
- INTEL_KBL_GT4_IDS(&intel_kabylake_gt3_info),
- {0, 0, 0}
-};
-
-MODULE_DEVICE_TABLE(pci, pciidlist);
static enum intel_pch intel_virt_detect_pch(struct drm_device *dev)
{
@@ -450,9 +142,9 @@ static enum intel_pch intel_virt_detect_pch(struct drm_device *dev)
return ret;
}
-void intel_detect_pch(struct drm_device *dev)
+static void intel_detect_pch(struct drm_device *dev)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = to_i915(dev);
struct pci_dev *pch = NULL;
/* In all current cases, num_pipes is equivalent to the PCH_NOP setting
@@ -519,8 +211,10 @@ void intel_detect_pch(struct drm_device *dev)
} else if ((id == INTEL_PCH_P2X_DEVICE_ID_TYPE) ||
(id == INTEL_PCH_P3X_DEVICE_ID_TYPE) ||
((id == INTEL_PCH_QEMU_DEVICE_ID_TYPE) &&
- pch->subsystem_vendor == 0x1af4 &&
- pch->subsystem_device == 0x1100)) {
+ pch->subsystem_vendor ==
+ PCI_SUBVENDOR_ID_REDHAT_QUMRANET &&
+ pch->subsystem_device ==
+ PCI_SUBDEVICE_ID_QEMU)) {
dev_priv->pch_type = intel_virt_detect_pch(dev);
} else
continue;
@@ -534,9 +228,9 @@ void intel_detect_pch(struct drm_device *dev)
pci_dev_put(pch);
}
-bool i915_semaphore_is_enabled(struct drm_device *dev)
+bool i915_semaphore_is_enabled(struct drm_i915_private *dev_priv)
{
- if (INTEL_INFO(dev)->gen < 6)
+ if (INTEL_GEN(dev_priv) < 6)
return false;
if (i915.semaphores >= 0)
@@ -546,22 +240,1172 @@ bool i915_semaphore_is_enabled(struct drm_device *dev)
if (i915.enable_execlists)
return false;
- /* Until we get further testing... */
- if (IS_GEN8(dev))
- return false;
-
#ifdef CONFIG_INTEL_IOMMU
/* Enable semaphores on SNB when IO remapping is off */
- if (INTEL_INFO(dev)->gen == 6 && intel_iommu_gfx_mapped)
+ if (IS_GEN6(dev_priv) && intel_iommu_gfx_mapped)
return false;
#endif
return true;
}
+static int i915_getparam(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
+{
+ struct drm_i915_private *dev_priv = to_i915(dev);
+ drm_i915_getparam_t *param = data;
+ int value;
+
+ switch (param->param) {
+ case I915_PARAM_IRQ_ACTIVE:
+ case I915_PARAM_ALLOW_BATCHBUFFER:
+ case I915_PARAM_LAST_DISPATCH:
+ /* Reject all old ums/dri params. */
+ return -ENODEV;
+ case I915_PARAM_CHIPSET_ID:
+ value = dev->pdev->device;
+ break;
+ case I915_PARAM_REVISION:
+ value = dev->pdev->revision;
+ break;
+ case I915_PARAM_HAS_GEM:
+ value = 1;
+ break;
+ case I915_PARAM_NUM_FENCES_AVAIL:
+ value = dev_priv->num_fence_regs;
+ break;
+ case I915_PARAM_HAS_OVERLAY:
+ value = dev_priv->overlay ? 1 : 0;
+ break;
+ case I915_PARAM_HAS_PAGEFLIPPING:
+ value = 1;
+ break;
+ case I915_PARAM_HAS_EXECBUF2:
+ /* depends on GEM */
+ value = 1;
+ break;
+ case I915_PARAM_HAS_BSD:
+ value = intel_engine_initialized(&dev_priv->engine[VCS]);
+ break;
+ case I915_PARAM_HAS_BLT:
+ value = intel_engine_initialized(&dev_priv->engine[BCS]);
+ break;
+ case I915_PARAM_HAS_VEBOX:
+ value = intel_engine_initialized(&dev_priv->engine[VECS]);
+ break;
+ case I915_PARAM_HAS_BSD2:
+ value = intel_engine_initialized(&dev_priv->engine[VCS2]);
+ break;
+ case I915_PARAM_HAS_RELAXED_FENCING:
+ value = 1;
+ break;
+ case I915_PARAM_HAS_COHERENT_RINGS:
+ value = 1;
+ break;
+ case I915_PARAM_HAS_EXEC_CONSTANTS:
+ value = INTEL_INFO(dev)->gen >= 4;
+ break;
+ case I915_PARAM_HAS_RELAXED_DELTA:
+ value = 1;
+ break;
+ case I915_PARAM_HAS_GEN7_SOL_RESET:
+ value = 1;
+ break;
+ case I915_PARAM_HAS_LLC:
+ value = HAS_LLC(dev);
+ break;
+ case I915_PARAM_HAS_WT:
+ value = HAS_WT(dev);
+ break;
+ case I915_PARAM_HAS_ALIASING_PPGTT:
+ value = USES_PPGTT(dev);
+ break;
+ case I915_PARAM_HAS_WAIT_TIMEOUT:
+ value = 1;
+ break;
+ case I915_PARAM_HAS_SEMAPHORES:
+ value = i915_semaphore_is_enabled(dev_priv);
+ break;
+ case I915_PARAM_HAS_PRIME_VMAP_FLUSH:
+ value = 1;
+ break;
+ case I915_PARAM_HAS_SECURE_BATCHES:
+ value = capable(CAP_SYS_ADMIN);
+ break;
+ case I915_PARAM_HAS_PINNED_BATCHES:
+ value = 1;
+ break;
+ case I915_PARAM_HAS_EXEC_NO_RELOC:
+ value = 1;
+ break;
+ case I915_PARAM_HAS_EXEC_HANDLE_LUT:
+ value = 1;
+ break;
+ case I915_PARAM_CMD_PARSER_VERSION:
+ value = i915_cmd_parser_get_version(dev_priv);
+ break;
+ case I915_PARAM_HAS_COHERENT_PHYS_GTT:
+ value = 1;
+ break;
+ case I915_PARAM_MMAP_VERSION:
+ value = 1;
+ break;
+ case I915_PARAM_SUBSLICE_TOTAL:
+ value = INTEL_INFO(dev)->subslice_total;
+ if (!value)
+ return -ENODEV;
+ break;
+ case I915_PARAM_EU_TOTAL:
+ value = INTEL_INFO(dev)->eu_total;
+ if (!value)
+ return -ENODEV;
+ break;
+ case I915_PARAM_HAS_GPU_RESET:
+ value = i915.enable_hangcheck && intel_has_gpu_reset(dev_priv);
+ break;
+ case I915_PARAM_HAS_RESOURCE_STREAMER:
+ value = HAS_RESOURCE_STREAMER(dev);
+ break;
+ case I915_PARAM_HAS_EXEC_SOFTPIN:
+ value = 1;
+ break;
+ case I915_PARAM_HAS_POOLED_EU:
+ value = HAS_POOLED_EU(dev);
+ break;
+ case I915_PARAM_MIN_EU_IN_POOL:
+ value = INTEL_INFO(dev)->min_eu_in_pool;
+ break;
+ default:
+ DRM_DEBUG("Unknown parameter %d\n", param->param);
+ return -EINVAL;
+ }
+
+ if (put_user(value, param->value))
+ return -EFAULT;
+
+ return 0;
+}
+
+static int i915_get_bridge_dev(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = to_i915(dev);
+
+ dev_priv->bridge_dev = pci_get_bus_and_slot(0, PCI_DEVFN(0, 0));
+ if (!dev_priv->bridge_dev) {
+ DRM_ERROR("bridge device not found\n");
+ return -1;
+ }
+ return 0;
+}
+
+/* Allocate space for the MCH regs if needed, return nonzero on error */
+static int
+intel_alloc_mchbar_resource(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = to_i915(dev);
+ int reg = INTEL_INFO(dev)->gen >= 4 ? MCHBAR_I965 : MCHBAR_I915;
+ u32 temp_lo, temp_hi = 0;
+ u64 mchbar_addr;
+ int ret;
+
+ if (INTEL_INFO(dev)->gen >= 4)
+ pci_read_config_dword(dev_priv->bridge_dev, reg + 4, &temp_hi);
+ pci_read_config_dword(dev_priv->bridge_dev, reg, &temp_lo);
+ mchbar_addr = ((u64)temp_hi << 32) | temp_lo;
+
+ /* If ACPI doesn't have it, assume we need to allocate it ourselves */
+#ifdef CONFIG_PNP
+ if (mchbar_addr &&
+ pnp_range_reserved(mchbar_addr, mchbar_addr + MCHBAR_SIZE))
+ return 0;
+#endif
+
+ /* Get some space for it */
+ dev_priv->mch_res.name = "i915 MCHBAR";
+ dev_priv->mch_res.flags = IORESOURCE_MEM;
+ ret = pci_bus_alloc_resource(dev_priv->bridge_dev->bus,
+ &dev_priv->mch_res,
+ MCHBAR_SIZE, MCHBAR_SIZE,
+ PCIBIOS_MIN_MEM,
+ 0, pcibios_align_resource,
+ dev_priv->bridge_dev);
+ if (ret) {
+ DRM_DEBUG_DRIVER("failed bus alloc: %d\n", ret);
+ dev_priv->mch_res.start = 0;
+ return ret;
+ }
+
+ if (INTEL_INFO(dev)->gen >= 4)
+ pci_write_config_dword(dev_priv->bridge_dev, reg + 4,
+ upper_32_bits(dev_priv->mch_res.start));
+
+ pci_write_config_dword(dev_priv->bridge_dev, reg,
+ lower_32_bits(dev_priv->mch_res.start));
+ return 0;
+}
+
+/* Setup MCHBAR if possible, return true if we should disable it again */
+static void
+intel_setup_mchbar(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = to_i915(dev);
+ int mchbar_reg = INTEL_INFO(dev)->gen >= 4 ? MCHBAR_I965 : MCHBAR_I915;
+ u32 temp;
+ bool enabled;
+
+ if (IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev))
+ return;
+
+ dev_priv->mchbar_need_disable = false;
+
+ if (IS_I915G(dev) || IS_I915GM(dev)) {
+ pci_read_config_dword(dev_priv->bridge_dev, DEVEN, &temp);
+ enabled = !!(temp & DEVEN_MCHBAR_EN);
+ } else {
+ pci_read_config_dword(dev_priv->bridge_dev, mchbar_reg, &temp);
+ enabled = temp & 1;
+ }
+
+ /* If it's already enabled, don't have to do anything */
+ if (enabled)
+ return;
+
+ if (intel_alloc_mchbar_resource(dev))
+ return;
+
+ dev_priv->mchbar_need_disable = true;
+
+ /* Space is allocated or reserved, so enable it. */
+ if (IS_I915G(dev) || IS_I915GM(dev)) {
+ pci_write_config_dword(dev_priv->bridge_dev, DEVEN,
+ temp | DEVEN_MCHBAR_EN);
+ } else {
+ pci_read_config_dword(dev_priv->bridge_dev, mchbar_reg, &temp);
+ pci_write_config_dword(dev_priv->bridge_dev, mchbar_reg, temp | 1);
+ }
+}
+
+static void
+intel_teardown_mchbar(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = to_i915(dev);
+ int mchbar_reg = INTEL_INFO(dev)->gen >= 4 ? MCHBAR_I965 : MCHBAR_I915;
+
+ if (dev_priv->mchbar_need_disable) {
+ if (IS_I915G(dev) || IS_I915GM(dev)) {
+ u32 deven_val;
+
+ pci_read_config_dword(dev_priv->bridge_dev, DEVEN,
+ &deven_val);
+ deven_val &= ~DEVEN_MCHBAR_EN;
+ pci_write_config_dword(dev_priv->bridge_dev, DEVEN,
+ deven_val);
+ } else {
+ u32 mchbar_val;
+
+ pci_read_config_dword(dev_priv->bridge_dev, mchbar_reg,
+ &mchbar_val);
+ mchbar_val &= ~1;
+ pci_write_config_dword(dev_priv->bridge_dev, mchbar_reg,
+ mchbar_val);
+ }
+ }
+
+ if (dev_priv->mch_res.start)
+ release_resource(&dev_priv->mch_res);
+}
+
+/* true = enable decode, false = disable decoder */
+static unsigned int i915_vga_set_decode(void *cookie, bool state)
+{
+ struct drm_device *dev = cookie;
+
+ intel_modeset_vga_set_state(dev, state);
+ if (state)
+ return VGA_RSRC_LEGACY_IO | VGA_RSRC_LEGACY_MEM |
+ VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM;
+ else
+ return VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM;
+}
+
+static void i915_switcheroo_set_state(struct pci_dev *pdev, enum vga_switcheroo_state state)
+{
+ struct drm_device *dev = pci_get_drvdata(pdev);
+ pm_message_t pmm = { .event = PM_EVENT_SUSPEND };
+
+ if (state == VGA_SWITCHEROO_ON) {
+ pr_info("switched on\n");
+ dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
+ /* i915 resume handler doesn't set to D0 */
+ pci_set_power_state(dev->pdev, PCI_D0);
+ i915_resume_switcheroo(dev);
+ dev->switch_power_state = DRM_SWITCH_POWER_ON;
+ } else {
+ pr_info("switched off\n");
+ dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
+ i915_suspend_switcheroo(dev, pmm);
+ dev->switch_power_state = DRM_SWITCH_POWER_OFF;
+ }
+}
+
+static bool i915_switcheroo_can_switch(struct pci_dev *pdev)
+{
+ struct drm_device *dev = pci_get_drvdata(pdev);
+
+ /*
+ * FIXME: open_count is protected by drm_global_mutex but that would lead to
+ * locking inversion with the driver load path. And the access here is
+ * completely racy anyway. So don't bother with locking for now.
+ */
+ return dev->open_count == 0;
+}
+
+static const struct vga_switcheroo_client_ops i915_switcheroo_ops = {
+ .set_gpu_state = i915_switcheroo_set_state,
+ .reprobe = NULL,
+ .can_switch = i915_switcheroo_can_switch,
+};
+
+static void i915_gem_fini(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = to_i915(dev);
+
+ /*
+ * Neither the BIOS, ourselves or any other kernel
+ * expects the system to be in execlists mode on startup,
+ * so we need to reset the GPU back to legacy mode. And the only
+ * known way to disable logical contexts is through a GPU reset.
+ *
+ * So in order to leave the system in a known default configuration,
+ * always reset the GPU upon unload. Afterwards we then clean up the
+ * GEM state tracking, flushing off the requests and leaving the
+ * system in a known idle state.
+ *
+ * Note that is of the upmost importance that the GPU is idle and
+ * all stray writes are flushed *before* we dismantle the backing
+ * storage for the pinned objects.
+ *
+ * However, since we are uncertain that reseting the GPU on older
+ * machines is a good idea, we don't - just in case it leaves the
+ * machine in an unusable condition.
+ */
+ if (HAS_HW_CONTEXTS(dev)) {
+ int reset = intel_gpu_reset(dev_priv, ALL_ENGINES);
+ WARN_ON(reset && reset != -ENODEV);
+ }
+
+ mutex_lock(&dev->struct_mutex);
+ i915_gem_reset(dev);
+ i915_gem_cleanup_engines(dev);
+ i915_gem_context_fini(dev);
+ mutex_unlock(&dev->struct_mutex);
+
+ WARN_ON(!list_empty(&to_i915(dev)->context_list));
+}
+
+static int i915_load_modeset_init(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = to_i915(dev);
+ int ret;
+
+ if (i915_inject_load_failure())
+ return -ENODEV;
+
+ ret = intel_bios_init(dev_priv);
+ if (ret)
+ DRM_INFO("failed to find VBIOS tables\n");
+
+ /* If we have > 1 VGA cards, then we need to arbitrate access
+ * to the common VGA resources.
+ *
+ * If we are a secondary display controller (!PCI_DISPLAY_CLASS_VGA),
+ * then we do not take part in VGA arbitration and the
+ * vga_client_register() fails with -ENODEV.
+ */
+ ret = vga_client_register(dev->pdev, dev, NULL, i915_vga_set_decode);
+ if (ret && ret != -ENODEV)
+ goto out;
+
+ intel_register_dsm_handler();
+
+ ret = vga_switcheroo_register_client(dev->pdev, &i915_switcheroo_ops, false);
+ if (ret)
+ goto cleanup_vga_client;
+
+ /* must happen before intel_power_domains_init_hw() on VLV/CHV */
+ intel_update_rawclk(dev_priv);
+
+ intel_power_domains_init_hw(dev_priv, false);
+
+ intel_csr_ucode_init(dev_priv);
+
+ ret = intel_irq_install(dev_priv);
+ if (ret)
+ goto cleanup_csr;
+
+ intel_setup_gmbus(dev);
+
+ /* Important: The output setup functions called by modeset_init need
+ * working irqs for e.g. gmbus and dp aux transfers. */
+ intel_modeset_init(dev);
+
+ intel_guc_init(dev);
+
+ ret = i915_gem_init(dev);
+ if (ret)
+ goto cleanup_irq;
+
+ intel_modeset_gem_init(dev);
+
+ if (INTEL_INFO(dev)->num_pipes == 0)
+ return 0;
+
+ ret = intel_fbdev_init(dev);
+ if (ret)
+ goto cleanup_gem;
+
+ /* Only enable hotplug handling once the fbdev is fully set up. */
+ intel_hpd_init(dev_priv);
+
+ drm_kms_helper_poll_init(dev);
+
+ return 0;
+
+cleanup_gem:
+ i915_gem_fini(dev);
+cleanup_irq:
+ intel_guc_fini(dev);
+ drm_irq_uninstall(dev);
+ intel_teardown_gmbus(dev);
+cleanup_csr:
+ intel_csr_ucode_fini(dev_priv);
+ intel_power_domains_fini(dev_priv);
+ vga_switcheroo_unregister_client(dev->pdev);
+cleanup_vga_client:
+ vga_client_register(dev->pdev, NULL, NULL, NULL);
+out:
+ return ret;
+}
+
+#if IS_ENABLED(CONFIG_FB)
+static int i915_kick_out_firmware_fb(struct drm_i915_private *dev_priv)
+{
+ struct apertures_struct *ap;
+ struct pci_dev *pdev = dev_priv->drm.pdev;
+ struct i915_ggtt *ggtt = &dev_priv->ggtt;
+ bool primary;
+ int ret;
+
+ ap = alloc_apertures(1);
+ if (!ap)
+ return -ENOMEM;
+
+ ap->ranges[0].base = ggtt->mappable_base;
+ ap->ranges[0].size = ggtt->mappable_end;
+
+ primary =
+ pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
+
+ ret = remove_conflicting_framebuffers(ap, "inteldrmfb", primary);
+
+ kfree(ap);
+
+ return ret;
+}
+#else
+static int i915_kick_out_firmware_fb(struct drm_i915_private *dev_priv)
+{
+ return 0;
+}
+#endif
+
+#if !defined(CONFIG_VGA_CONSOLE)
+static int i915_kick_out_vgacon(struct drm_i915_private *dev_priv)
+{
+ return 0;
+}
+#elif !defined(CONFIG_DUMMY_CONSOLE)
+static int i915_kick_out_vgacon(struct drm_i915_private *dev_priv)
+{
+ return -ENODEV;
+}
+#else
+static int i915_kick_out_vgacon(struct drm_i915_private *dev_priv)
+{
+ int ret = 0;
+
+ DRM_INFO("Replacing VGA console driver\n");
+
+ console_lock();
+ if (con_is_bound(&vga_con))
+ ret = do_take_over_console(&dummy_con, 0, MAX_NR_CONSOLES - 1, 1);
+ if (ret == 0) {
+ ret = do_unregister_con_driver(&vga_con);
+
+ /* Ignore "already unregistered". */
+ if (ret == -ENODEV)
+ ret = 0;
+ }
+ console_unlock();
+
+ return ret;
+}
+#endif
+
+static void intel_init_dpio(struct drm_i915_private *dev_priv)
+{
+ /*
+ * IOSF_PORT_DPIO is used for VLV x2 PHY (DP/HDMI B and C),
+ * CHV x1 PHY (DP/HDMI D)
+ * IOSF_PORT_DPIO_2 is used for CHV x2 PHY (DP/HDMI B and C)
+ */
+ if (IS_CHERRYVIEW(dev_priv)) {
+ DPIO_PHY_IOSF_PORT(DPIO_PHY0) = IOSF_PORT_DPIO_2;
+ DPIO_PHY_IOSF_PORT(DPIO_PHY1) = IOSF_PORT_DPIO;
+ } else if (IS_VALLEYVIEW(dev_priv)) {
+ DPIO_PHY_IOSF_PORT(DPIO_PHY0) = IOSF_PORT_DPIO;
+ }
+}
+
+static int i915_workqueues_init(struct drm_i915_private *dev_priv)
+{
+ /*
+ * The i915 workqueue is primarily used for batched retirement of
+ * requests (and thus managing bo) once the task has been completed
+ * by the GPU. i915_gem_retire_requests() is called directly when we
+ * need high-priority retirement, such as waiting for an explicit
+ * bo.
+ *
+ * It is also used for periodic low-priority events, such as
+ * idle-timers and recording error state.
+ *
+ * All tasks on the workqueue are expected to acquire the dev mutex
+ * so there is no point in running more than one instance of the
+ * workqueue at any time. Use an ordered one.
+ */
+ dev_priv->wq = alloc_ordered_workqueue("i915", 0);
+ if (dev_priv->wq == NULL)
+ goto out_err;
+
+ dev_priv->hotplug.dp_wq = alloc_ordered_workqueue("i915-dp", 0);
+ if (dev_priv->hotplug.dp_wq == NULL)
+ goto out_free_wq;
+
+ return 0;
+
+out_free_wq:
+ destroy_workqueue(dev_priv->wq);
+out_err:
+ DRM_ERROR("Failed to allocate workqueues.\n");
+
+ return -ENOMEM;
+}
+
+static void i915_workqueues_cleanup(struct drm_i915_private *dev_priv)
+{
+ destroy_workqueue(dev_priv->hotplug.dp_wq);
+ destroy_workqueue(dev_priv->wq);
+}
+
+/**
+ * i915_driver_init_early - setup state not requiring device access
+ * @dev_priv: device private
+ *
+ * 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_init_early(struct drm_i915_private *dev_priv,
+ 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;
+ int ret = 0;
+
+ if (i915_inject_load_failure())
+ return -ENODEV;
+
+ /* Setup the write-once "constant" device info */
+ device_info = mkwrite_device_info(dev_priv);
+ memcpy(device_info, match_info, sizeof(*device_info));
+ device_info->device_id = dev_priv->drm.pdev->device;
+
+ BUG_ON(device_info->gen > sizeof(device_info->gen_mask) * BITS_PER_BYTE);
+ device_info->gen_mask = BIT(device_info->gen - 1);
+
+ spin_lock_init(&dev_priv->irq_lock);
+ spin_lock_init(&dev_priv->gpu_error.lock);
+ mutex_init(&dev_priv->backlight_lock);
+ spin_lock_init(&dev_priv->uncore.lock);
+ spin_lock_init(&dev_priv->mm.object_stat_lock);
+ spin_lock_init(&dev_priv->mmio_flip_lock);
+ mutex_init(&dev_priv->sb_lock);
+ mutex_init(&dev_priv->modeset_restore_lock);
+ mutex_init(&dev_priv->av_mutex);
+ mutex_init(&dev_priv->wm.wm_mutex);
+ mutex_init(&dev_priv->pps_mutex);
+
+ ret = i915_workqueues_init(dev_priv);
+ if (ret < 0)
+ return ret;
+
+ ret = intel_gvt_init(dev_priv);
+ if (ret < 0)
+ goto err_workqueues;
+
+ /* This must be called before any calls to HAS_PCH_* */
+ intel_detect_pch(&dev_priv->drm);
+
+ intel_pm_setup(&dev_priv->drm);
+ intel_init_dpio(dev_priv);
+ intel_power_domains_init(dev_priv);
+ intel_irq_init(dev_priv);
+ intel_init_display_hooks(dev_priv);
+ intel_init_clock_gating_hooks(dev_priv);
+ intel_init_audio_hooks(dev_priv);
+ i915_gem_load_init(&dev_priv->drm);
+
+ intel_display_crc_init(&dev_priv->drm);
+
+ intel_device_info_dump(dev_priv);
+
+ /* Not all pre-production machines fall into this category, only the
+ * very first ones. Almost everything should work, except for maybe
+ * suspend/resume. And we don't implement workarounds that affect only
+ * pre-production machines. */
+ if (IS_HSW_EARLY_SDV(dev_priv))
+ DRM_INFO("This is an early pre-production Haswell machine. "
+ "It may not be fully functional.\n");
+
+ return 0;
+
+err_workqueues:
+ i915_workqueues_cleanup(dev_priv);
+ return ret;
+}
+
+/**
+ * i915_driver_cleanup_early - cleanup the setup done in i915_driver_init_early()
+ * @dev_priv: device private
+ */
+static void i915_driver_cleanup_early(struct drm_i915_private *dev_priv)
+{
+ i915_gem_load_cleanup(&dev_priv->drm);
+ i915_workqueues_cleanup(dev_priv);
+}
+
+static int i915_mmio_setup(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = to_i915(dev);
+ int mmio_bar;
+ int mmio_size;
+
+ mmio_bar = IS_GEN2(dev) ? 1 : 0;
+ /*
+ * Before gen4, the registers and the GTT are behind different BARs.
+ * However, from gen4 onwards, the registers and the GTT are shared
+ * in the same BAR, so we want to restrict this ioremap from
+ * clobbering the GTT which we want ioremap_wc instead. Fortunately,
+ * the register BAR remains the same size for all the earlier
+ * generations up to Ironlake.
+ */
+ if (INTEL_INFO(dev)->gen < 5)
+ mmio_size = 512 * 1024;
+ else
+ mmio_size = 2 * 1024 * 1024;
+ dev_priv->regs = pci_iomap(dev->pdev, mmio_bar, mmio_size);
+ if (dev_priv->regs == NULL) {
+ DRM_ERROR("failed to map registers\n");
+
+ return -EIO;
+ }
+
+ /* Try to make sure MCHBAR is enabled before poking at it */
+ intel_setup_mchbar(dev);
+
+ return 0;
+}
+
+static void i915_mmio_cleanup(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = to_i915(dev);
+
+ intel_teardown_mchbar(dev);
+ pci_iounmap(dev->pdev, dev_priv->regs);
+}
+
+/**
+ * i915_driver_init_mmio - 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_init_mmio(struct drm_i915_private *dev_priv)
+{
+ struct drm_device *dev = &dev_priv->drm;
+ int ret;
+
+ if (i915_inject_load_failure())
+ return -ENODEV;
+
+ if (i915_get_bridge_dev(dev))
+ return -EIO;
+
+ ret = i915_mmio_setup(dev);
+ if (ret < 0)
+ goto put_bridge;
+
+ intel_uncore_init(dev_priv);
+
+ return 0;
+
+put_bridge:
+ pci_dev_put(dev_priv->bridge_dev);
+
+ return ret;
+}
+
+/**
+ * i915_driver_cleanup_mmio - cleanup the setup done in i915_driver_init_mmio()
+ * @dev_priv: device private
+ */
+static void i915_driver_cleanup_mmio(struct drm_i915_private *dev_priv)
+{
+ struct drm_device *dev = &dev_priv->drm;
+
+ intel_uncore_fini(dev_priv);
+ i915_mmio_cleanup(dev);
+ pci_dev_put(dev_priv->bridge_dev);
+}
+
+static void intel_sanitize_options(struct drm_i915_private *dev_priv)
+{
+ i915.enable_execlists =
+ intel_sanitize_enable_execlists(dev_priv,
+ i915.enable_execlists);
+
+ /*
+ * i915.enable_ppgtt is read-only, so do an early pass to validate the
+ * user's requested state against the hardware/driver capabilities. We
+ * do this now so that we can print out any log messages once rather
+ * than every time we check intel_enable_ppgtt().
+ */
+ i915.enable_ppgtt =
+ intel_sanitize_enable_ppgtt(dev_priv, i915.enable_ppgtt);
+ DRM_DEBUG_DRIVER("ppgtt mode: %i\n", i915.enable_ppgtt);
+}
+
+/**
+ * i915_driver_init_hw - 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_init_hw(struct drm_i915_private *dev_priv)
+{
+ struct drm_device *dev = &dev_priv->drm;
+ struct i915_ggtt *ggtt = &dev_priv->ggtt;
+ uint32_t aperture_size;
+ int ret;
+
+ if (i915_inject_load_failure())
+ return -ENODEV;
+
+ intel_device_info_runtime_init(dev_priv);
+
+ intel_sanitize_options(dev_priv);
+
+ ret = i915_ggtt_init_hw(dev);
+ if (ret)
+ return ret;
+
+ ret = i915_ggtt_enable_hw(dev);
+ if (ret) {
+ DRM_ERROR("failed to enable GGTT\n");
+ goto out_ggtt;
+ }
+
+ /* WARNING: Apparently we must kick fbdev drivers before vgacon,
+ * otherwise the vga fbdev driver falls over. */
+ ret = i915_kick_out_firmware_fb(dev_priv);
+ if (ret) {
+ DRM_ERROR("failed to remove conflicting framebuffer drivers\n");
+ goto out_ggtt;
+ }
+
+ ret = i915_kick_out_vgacon(dev_priv);
+ if (ret) {
+ DRM_ERROR("failed to remove conflicting VGA console\n");
+ goto out_ggtt;
+ }
+
+ pci_set_master(dev->pdev);
+
+ /* overlay on gen2 is broken and can't address above 1G */
+ if (IS_GEN2(dev)) {
+ ret = dma_set_coherent_mask(&dev->pdev->dev, DMA_BIT_MASK(30));
+ if (ret) {
+ DRM_ERROR("failed to set DMA mask\n");
+
+ goto out_ggtt;
+ }
+ }
+
+
+ /* 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_BROADWATER(dev) || IS_CRESTLINE(dev)) {
+ ret = dma_set_coherent_mask(&dev->pdev->dev, DMA_BIT_MASK(32));
+
+ if (ret) {
+ DRM_ERROR("failed to set DMA mask\n");
+
+ goto out_ggtt;
+ }
+ }
+
+ aperture_size = ggtt->mappable_end;
+
+ ggtt->mappable =
+ io_mapping_create_wc(ggtt->mappable_base,
+ aperture_size);
+ if (!ggtt->mappable) {
+ ret = -EIO;
+ goto out_ggtt;
+ }
+
+ ggtt->mtrr = arch_phys_wc_add(ggtt->mappable_base,
+ aperture_size);
+
+ pm_qos_add_request(&dev_priv->pm_qos, PM_QOS_CPU_DMA_LATENCY,
+ PM_QOS_DEFAULT_VALUE);
+
+ intel_uncore_sanitize(dev_priv);
+
+ intel_opregion_setup(dev_priv);
+
+ i915_gem_load_init_fences(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, but we use them anyways to avoid
+ * stuck interrupts on some machines.
+ */
+ if (!IS_I945G(dev) && !IS_I945GM(dev)) {
+ if (pci_enable_msi(dev->pdev) < 0)
+ DRM_DEBUG_DRIVER("can't enable MSI");
+ }
+
+ return 0;
+
+out_ggtt:
+ i915_ggtt_cleanup_hw(dev);
+
+ return ret;
+}
+
+/**
+ * i915_driver_cleanup_hw - cleanup the setup done in i915_driver_init_hw()
+ * @dev_priv: device private
+ */
+static void i915_driver_cleanup_hw(struct drm_i915_private *dev_priv)
+{
+ struct drm_device *dev = &dev_priv->drm;
+ struct i915_ggtt *ggtt = &dev_priv->ggtt;
+
+ if (dev->pdev->msi_enabled)
+ pci_disable_msi(dev->pdev);
+
+ pm_qos_remove_request(&dev_priv->pm_qos);
+ arch_phys_wc_del(ggtt->mtrr);
+ io_mapping_free(ggtt->mappable);
+ i915_ggtt_cleanup_hw(dev);
+}
+
+/**
+ * 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_shrinker_init(dev_priv);
+
+ /*
+ * Notify a valid surface after modesetting,
+ * when running inside a VM.
+ */
+ if (intel_vgpu_active(dev_priv))
+ I915_WRITE(vgtif_reg(display_ready), VGT_DRV_DISPLAY_READY);
+
+ /* Reveal our presence to userspace */
+ if (drm_dev_register(dev, 0) == 0) {
+ i915_debugfs_register(dev_priv);
+ i915_setup_sysfs(dev);
+ } else
+ DRM_ERROR("Failed to register driver for userspace access!\n");
+
+ if (INTEL_INFO(dev_priv)->num_pipes) {
+ /* Must be done after probing outputs */
+ intel_opregion_register(dev_priv);
+ acpi_video_register();
+ }
+
+ if (IS_GEN5(dev_priv))
+ intel_gpu_ips_init(dev_priv);
+
+ i915_audio_component_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);
+}
+
+/**
+ * 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_audio_component_cleanup(dev_priv);
+
+ intel_gpu_ips_teardown();
+ acpi_video_unregister();
+ intel_opregion_unregister(dev_priv);
+
+ i915_teardown_sysfs(&dev_priv->drm);
+ i915_debugfs_unregister(dev_priv);
+ drm_dev_unregister(&dev_priv->drm);
+
+ i915_gem_shrinker_cleanup(dev_priv);
+}
+
+/**
+ * i915_driver_load - setup chip and create an initial config
+ * @dev: DRM device
+ * @flags: startup flags
+ *
+ * The driver load 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_load(struct pci_dev *pdev, const struct pci_device_id *ent)
+{
+ struct drm_i915_private *dev_priv;
+ int ret;
+
+ if (i915.nuclear_pageflip)
+ driver.driver_features |= DRIVER_ATOMIC;
+
+ ret = -ENOMEM;
+ dev_priv = kzalloc(sizeof(*dev_priv), GFP_KERNEL);
+ if (dev_priv)
+ ret = drm_dev_init(&dev_priv->drm, &driver, &pdev->dev);
+ if (ret) {
+ dev_printk(KERN_ERR, &pdev->dev,
+ "[" DRM_NAME ":%s] allocation failed\n", __func__);
+ kfree(dev_priv);
+ return ret;
+ }
+
+ dev_priv->drm.pdev = pdev;
+ dev_priv->drm.dev_private = dev_priv;
+
+ ret = pci_enable_device(pdev);
+ if (ret)
+ goto out_free_priv;
+
+ pci_set_drvdata(pdev, &dev_priv->drm);
+
+ ret = i915_driver_init_early(dev_priv, ent);
+ if (ret < 0)
+ goto out_pci_disable;
+
+ intel_runtime_pm_get(dev_priv);
+
+ ret = i915_driver_init_mmio(dev_priv);
+ if (ret < 0)
+ goto out_runtime_pm_put;
+
+ ret = i915_driver_init_hw(dev_priv);
+ if (ret < 0)
+ goto out_cleanup_mmio;
+
+ /*
+ * TODO: move the vblank init and parts of modeset init steps into one
+ * of the i915_driver_init_/i915_driver_register functions according
+ * to the role/effect of the given init step.
+ */
+ if (INTEL_INFO(dev_priv)->num_pipes) {
+ ret = drm_vblank_init(&dev_priv->drm,
+ INTEL_INFO(dev_priv)->num_pipes);
+ if (ret)
+ goto out_cleanup_hw;
+ }
+
+ ret = i915_load_modeset_init(&dev_priv->drm);
+ if (ret < 0)
+ goto out_cleanup_vblank;
+
+ i915_driver_register(dev_priv);
+
+ intel_runtime_pm_enable(dev_priv);
+
+ intel_runtime_pm_put(dev_priv);
+
+ return 0;
+
+out_cleanup_vblank:
+ drm_vblank_cleanup(&dev_priv->drm);
+out_cleanup_hw:
+ i915_driver_cleanup_hw(dev_priv);
+out_cleanup_mmio:
+ i915_driver_cleanup_mmio(dev_priv);
+out_runtime_pm_put:
+ intel_runtime_pm_put(dev_priv);
+ i915_driver_cleanup_early(dev_priv);
+out_pci_disable:
+ pci_disable_device(pdev);
+out_free_priv:
+ i915_load_error(dev_priv, "Device initialization failed (%d)\n", ret);
+ drm_dev_unref(&dev_priv->drm);
+ return ret;
+}
+
+void i915_driver_unload(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = to_i915(dev);
+
+ intel_fbdev_fini(dev);
+
+ if (i915_gem_suspend(dev))
+ DRM_ERROR("failed to idle hardware; continuing to unload!\n");
+
+ intel_display_power_get(dev_priv, POWER_DOMAIN_INIT);
+
+ i915_driver_unregister(dev_priv);
+
+ drm_vblank_cleanup(dev);
+
+ intel_modeset_cleanup(dev);
+
+ /*
+ * free the memory space allocated for the child device
+ * config parsed from VBT
+ */
+ if (dev_priv->vbt.child_dev && dev_priv->vbt.child_dev_num) {
+ kfree(dev_priv->vbt.child_dev);
+ dev_priv->vbt.child_dev = NULL;
+ dev_priv->vbt.child_dev_num = 0;
+ }
+ kfree(dev_priv->vbt.sdvo_lvds_vbt_mode);
+ dev_priv->vbt.sdvo_lvds_vbt_mode = NULL;
+ kfree(dev_priv->vbt.lfp_lvds_vbt_mode);
+ dev_priv->vbt.lfp_lvds_vbt_mode = NULL;
+
+ vga_switcheroo_unregister_client(dev->pdev);
+ vga_client_register(dev->pdev, NULL, NULL, NULL);
+
+ intel_csr_ucode_fini(dev_priv);
+
+ /* Free error state after interrupts are fully disabled. */
+ cancel_delayed_work_sync(&dev_priv->gpu_error.hangcheck_work);
+ i915_destroy_error_state(dev);
+
+ /* Flush any outstanding unpin_work. */
+ flush_workqueue(dev_priv->wq);
+
+ intel_guc_fini(dev);
+ i915_gem_fini(dev);
+ intel_fbc_cleanup_cfb(dev_priv);
+
+ intel_power_domains_fini(dev_priv);
+
+ i915_driver_cleanup_hw(dev_priv);
+ i915_driver_cleanup_mmio(dev_priv);
+
+ intel_display_power_put(dev_priv, POWER_DOMAIN_INIT);
+
+ i915_driver_cleanup_early(dev_priv);
+}
+
+static int i915_driver_open(struct drm_device *dev, struct drm_file *file)
+{
+ int ret;
+
+ ret = i915_gem_open(dev, 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_preclose(struct drm_device *dev, struct drm_file *file)
+{
+ mutex_lock(&dev->struct_mutex);
+ i915_gem_context_close(dev, file);
+ i915_gem_release(dev, file);
+ mutex_unlock(&dev->struct_mutex);
+}
+
+static void i915_driver_postclose(struct drm_device *dev, struct drm_file *file)
+{
+ struct drm_i915_file_private *file_priv = file->driver_priv;
+
+ kfree(file_priv);
+}
+
static void intel_suspend_encoders(struct drm_i915_private *dev_priv)
{
- struct drm_device *dev = dev_priv->dev;
+ struct drm_device *dev = &dev_priv->drm;
struct intel_encoder *encoder;
drm_modeset_lock_all(dev);
@@ -586,7 +1430,7 @@ static bool suspend_to_idle(struct drm_i915_private *dev_priv)
static int i915_drm_suspend(struct drm_device *dev)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = to_i915(dev);
pci_power_t opregion_target_state;
int error;
@@ -614,7 +1458,7 @@ static int i915_drm_suspend(struct drm_device *dev)
intel_guc_suspend(dev);
- intel_suspend_gt_powersave(dev);
+ intel_suspend_gt_powersave(dev_priv);
intel_display_suspend(dev);
@@ -632,10 +1476,10 @@ static int i915_drm_suspend(struct drm_device *dev)
i915_save_state(dev);
opregion_target_state = suspend_to_idle(dev_priv) ? PCI_D1 : PCI_D3cold;
- intel_opregion_notify_adapter(dev, opregion_target_state);
+ intel_opregion_notify_adapter(dev_priv, opregion_target_state);
- intel_uncore_forcewake_reset(dev, false);
- intel_opregion_fini(dev);
+ intel_uncore_forcewake_reset(dev_priv, false);
+ intel_opregion_unregister(dev_priv);
intel_fbdev_set_suspend(dev, FBINFO_STATE_SUSPENDED, true);
@@ -653,7 +1497,7 @@ out:
static int i915_drm_suspend_late(struct drm_device *drm_dev, bool hibernation)
{
- struct drm_i915_private *dev_priv = drm_dev->dev_private;
+ struct drm_i915_private *dev_priv = to_i915(drm_dev);
bool fw_csr;
int ret;
@@ -715,7 +1559,7 @@ int i915_suspend_switcheroo(struct drm_device *dev, pm_message_t state)
{
int error;
- if (!dev || !dev->dev_private) {
+ if (!dev) {
DRM_ERROR("dev: %p\n", dev);
DRM_ERROR("DRM not initialized, aborting suspend.\n");
return -ENODEV;
@@ -737,7 +1581,7 @@ int i915_suspend_switcheroo(struct drm_device *dev, pm_message_t state)
static int i915_drm_resume(struct drm_device *dev)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = to_i915(dev);
int ret;
disable_rpm_wakeref_asserts(dev_priv);
@@ -753,7 +1597,7 @@ static int i915_drm_resume(struct drm_device *dev)
mutex_unlock(&dev->struct_mutex);
i915_restore_state(dev);
- intel_opregion_setup(dev);
+ intel_opregion_setup(dev_priv);
intel_init_pch_refclk(dev);
drm_mode_config_reset(dev);
@@ -771,7 +1615,7 @@ static int i915_drm_resume(struct drm_device *dev)
mutex_lock(&dev->struct_mutex);
if (i915_gem_init_hw(dev)) {
DRM_ERROR("failed to re-initialize GPU, declaring wedged!\n");
- atomic_or(I915_WEDGED, &dev_priv->gpu_error.reset_counter);
+ atomic_or(I915_WEDGED, &dev_priv->gpu_error.reset_counter);
}
mutex_unlock(&dev->struct_mutex);
@@ -781,7 +1625,7 @@ static int i915_drm_resume(struct drm_device *dev)
spin_lock_irq(&dev_priv->irq_lock);
if (dev_priv->display.hpd_irq_setup)
- dev_priv->display.hpd_irq_setup(dev);
+ dev_priv->display.hpd_irq_setup(dev_priv);
spin_unlock_irq(&dev_priv->irq_lock);
intel_dp_mst_resume(dev);
@@ -798,7 +1642,7 @@ static int i915_drm_resume(struct drm_device *dev)
/* Config may have changed between suspend and resume */
drm_helper_hpd_irq_event(dev);
- intel_opregion_init(dev);
+ intel_opregion_register(dev_priv);
intel_fbdev_set_suspend(dev, FBINFO_STATE_RUNNING, false);
@@ -806,7 +1650,7 @@ static int i915_drm_resume(struct drm_device *dev)
dev_priv->modeset_restore = MODESET_DONE;
mutex_unlock(&dev_priv->modeset_restore_lock);
- intel_opregion_notify_adapter(dev, PCI_D0);
+ intel_opregion_notify_adapter(dev_priv, PCI_D0);
drm_kms_helper_poll_enable(dev);
@@ -817,7 +1661,7 @@ static int i915_drm_resume(struct drm_device *dev)
static int i915_drm_resume_early(struct drm_device *dev)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = to_i915(dev);
int ret;
/*
@@ -874,9 +1718,9 @@ static int i915_drm_resume_early(struct drm_device *dev)
DRM_ERROR("Resume prepare failed: %d, continuing anyway\n",
ret);
- intel_uncore_early_sanitize(dev, true);
+ intel_uncore_early_sanitize(dev_priv, true);
- if (IS_BROXTON(dev)) {
+ if (IS_BROXTON(dev_priv)) {
if (!dev_priv->suspended_to_idle)
gen9_sanitize_dc_state(dev_priv);
bxt_disable_dc9(dev_priv);
@@ -884,7 +1728,7 @@ static int i915_drm_resume_early(struct drm_device *dev)
hsw_disable_pc8(dev_priv);
}
- intel_uncore_sanitize(dev);
+ intel_uncore_sanitize(dev_priv);
if (IS_BROXTON(dev_priv) ||
!(dev_priv->suspended_to_idle && dev_priv->csr.dmc_payload))
@@ -927,14 +1771,14 @@ int i915_resume_switcheroo(struct drm_device *dev)
* - re-init interrupt state
* - re-init display
*/
-int i915_reset(struct drm_device *dev)
+int i915_reset(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_device *dev = &dev_priv->drm;
struct i915_gpu_error *error = &dev_priv->gpu_error;
unsigned reset_counter;
int ret;
- intel_reset_gt_powersave(dev);
+ intel_reset_gt_powersave(dev_priv);
mutex_lock(&dev->struct_mutex);
@@ -948,24 +1792,11 @@ int i915_reset(struct drm_device *dev)
goto error;
}
- i915_gem_reset(dev);
-
- ret = intel_gpu_reset(dev, ALL_ENGINES);
-
- /* Also reset the gpu hangman. */
- if (error->stop_rings != 0) {
- DRM_INFO("Simulated gpu hang, resetting stop_rings\n");
- error->stop_rings = 0;
- if (ret == -ENODEV) {
- DRM_INFO("Reset not implemented, but ignoring "
- "error for simulated gpu hangs\n");
- ret = 0;
- }
- }
+ pr_notice("drm/i915: Resetting chip after gpu hang\n");
- if (i915_stop_ring_allow_warn(dev_priv))
- pr_notice("drm/i915: Resetting chip after gpu hang\n");
+ i915_gem_reset(dev);
+ ret = intel_gpu_reset(dev_priv, ALL_ENGINES);
if (ret) {
if (ret != -ENODEV)
DRM_ERROR("Failed to reset chip: %i\n", ret);
@@ -1005,7 +1836,7 @@ int i915_reset(struct drm_device *dev)
* of re-init after reset.
*/
if (INTEL_INFO(dev)->gen > 5)
- intel_enable_gt_powersave(dev);
+ intel_enable_gt_powersave(dev_priv);
return 0;
@@ -1015,51 +1846,12 @@ error:
return ret;
}
-static int i915_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
-{
- struct intel_device_info *intel_info =
- (struct intel_device_info *) ent->driver_data;
-
- if (IS_PRELIMINARY_HW(intel_info) && !i915.preliminary_hw_support) {
- DRM_INFO("This hardware requires preliminary hardware support.\n"
- "See CONFIG_DRM_I915_PRELIMINARY_HW_SUPPORT, and/or modparam preliminary_hw_support\n");
- return -ENODEV;
- }
-
- /* Only bind to function 0 of the device. Early generations
- * used function 1 as a placeholder for multi-head. This causes
- * us confusion instead, especially on the systems where both
- * functions have the same PCI-ID!
- */
- if (PCI_FUNC(pdev->devfn))
- return -ENODEV;
-
- /*
- * apple-gmux is needed on dual GPU MacBook Pro
- * to probe the panel if we're the inactive GPU.
- */
- if (IS_ENABLED(CONFIG_VGA_ARB) && IS_ENABLED(CONFIG_VGA_SWITCHEROO) &&
- apple_gmux_present() && pdev != vga_default_device() &&
- !vga_switcheroo_handler_flags())
- return -EPROBE_DEFER;
-
- return drm_get_pci_dev(pdev, ent, &driver);
-}
-
-static void
-i915_pci_remove(struct pci_dev *pdev)
-{
- struct drm_device *dev = pci_get_drvdata(pdev);
-
- drm_put_dev(dev);
-}
-
static int i915_pm_suspend(struct device *dev)
{
struct pci_dev *pdev = to_pci_dev(dev);
struct drm_device *drm_dev = pci_get_drvdata(pdev);
- if (!drm_dev || !drm_dev->dev_private) {
+ if (!drm_dev) {
dev_err(dev, "DRM not initialized, aborting suspend.\n");
return -ENODEV;
}
@@ -1072,7 +1864,7 @@ static int i915_pm_suspend(struct device *dev)
static int i915_pm_suspend_late(struct device *dev)
{
- struct drm_device *drm_dev = dev_to_i915(dev)->dev;
+ struct drm_device *drm_dev = &dev_to_i915(dev)->drm;
/*
* We have a suspend ordering issue with the snd-hda driver also
@@ -1091,7 +1883,7 @@ static int i915_pm_suspend_late(struct device *dev)
static int i915_pm_poweroff_late(struct device *dev)
{
- struct drm_device *drm_dev = dev_to_i915(dev)->dev;
+ struct drm_device *drm_dev = &dev_to_i915(dev)->drm;
if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF)
return 0;
@@ -1101,7 +1893,7 @@ static int i915_pm_poweroff_late(struct device *dev)
static int i915_pm_resume_early(struct device *dev)
{
- struct drm_device *drm_dev = dev_to_i915(dev)->dev;
+ struct drm_device *drm_dev = &dev_to_i915(dev)->drm;
if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF)
return 0;
@@ -1111,7 +1903,7 @@ static int i915_pm_resume_early(struct device *dev)
static int i915_pm_resume(struct device *dev)
{
- struct drm_device *drm_dev = dev_to_i915(dev)->dev;
+ struct drm_device *drm_dev = &dev_to_i915(dev)->drm;
if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF)
return 0;
@@ -1119,6 +1911,49 @@ static int i915_pm_resume(struct device *dev)
return i915_drm_resume(drm_dev);
}
+/* freeze: before creating the hibernation_image */
+static int i915_pm_freeze(struct device *dev)
+{
+ return i915_pm_suspend(dev);
+}
+
+static int i915_pm_freeze_late(struct device *dev)
+{
+ int ret;
+
+ ret = i915_pm_suspend_late(dev);
+ if (ret)
+ return ret;
+
+ ret = i915_gem_freeze_late(dev_to_i915(dev));
+ 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 *dev)
+{
+ return i915_pm_resume_early(dev);
+}
+
+static int i915_pm_thaw(struct device *dev)
+{
+ return i915_pm_resume(dev);
+}
+
+/* restore: called after loading the hibernation image. */
+static int i915_pm_restore_early(struct device *dev)
+{
+ return i915_pm_resume_early(dev);
+}
+
+static int i915_pm_restore(struct device *dev)
+{
+ return i915_pm_resume(dev);
+}
+
/*
* Save all Gunit registers that may be lost after a D3 and a subsequent
* S0i[R123] transition. The list of registers needing a save/restore is
@@ -1318,8 +2153,6 @@ int vlv_force_gfx_clock(struct drm_i915_private *dev_priv, bool force_on)
u32 val;
int err;
-#define COND (I915_READ(VLV_GTLC_SURVIVABILITY_REG) & VLV_GFX_CLK_STATUS_BIT)
-
val = I915_READ(VLV_GTLC_SURVIVABILITY_REG);
val &= ~VLV_GFX_CLK_FORCE_ON_BIT;
if (force_on)
@@ -1329,13 +2162,16 @@ int vlv_force_gfx_clock(struct drm_i915_private *dev_priv, bool force_on)
if (!force_on)
return 0;
- err = wait_for(COND, 20);
+ err = intel_wait_for_register(dev_priv,
+ VLV_GTLC_SURVIVABILITY_REG,
+ VLV_GFX_CLK_STATUS_BIT,
+ VLV_GFX_CLK_STATUS_BIT,
+ 20);
if (err)
DRM_ERROR("timeout waiting for GFX clock force-on (%08x)\n",
I915_READ(VLV_GTLC_SURVIVABILITY_REG));
return err;
-#undef COND
}
static int vlv_allow_gt_wake(struct drm_i915_private *dev_priv, bool allow)
@@ -1350,13 +2186,15 @@ static int vlv_allow_gt_wake(struct drm_i915_private *dev_priv, bool allow)
I915_WRITE(VLV_GTLC_WAKE_CTRL, val);
POSTING_READ(VLV_GTLC_WAKE_CTRL);
-#define COND (!!(I915_READ(VLV_GTLC_PW_STATUS) & VLV_GTLC_ALLOWWAKEACK) == \
- allow)
- err = wait_for(COND, 1);
+ err = intel_wait_for_register(dev_priv,
+ VLV_GTLC_PW_STATUS,
+ VLV_GTLC_ALLOWWAKEACK,
+ allow,
+ 1);
if (err)
DRM_ERROR("timeout disabling GT waking\n");
+
return err;
-#undef COND
}
static int vlv_wait_for_gt_wells(struct drm_i915_private *dev_priv,
@@ -1368,8 +2206,7 @@ static int vlv_wait_for_gt_wells(struct drm_i915_private *dev_priv,
mask = VLV_GTLC_PW_MEDIA_STATUS_MASK | VLV_GTLC_PW_RENDER_STATUS_MASK;
val = wait_for_on ? mask : 0;
-#define COND ((I915_READ(VLV_GTLC_PW_STATUS) & mask) == val)
- if (COND)
+ if ((I915_READ(VLV_GTLC_PW_STATUS) & mask) == val)
return 0;
DRM_DEBUG_KMS("waiting for GT wells to go %s (%08x)\n",
@@ -1380,13 +2217,14 @@ static int vlv_wait_for_gt_wells(struct drm_i915_private *dev_priv,
* RC6 transitioning can be delayed up to 2 msec (see
* valleyview_enable_rps), use 3 msec for safety.
*/
- err = wait_for(COND, 3);
+ err = intel_wait_for_register(dev_priv,
+ VLV_GTLC_PW_STATUS, mask, val,
+ 3);
if (err)
DRM_ERROR("timeout waiting for GT wells to go %s\n",
onoff(wait_for_on));
return err;
-#undef COND
}
static void vlv_check_no_gt_access(struct drm_i915_private *dev_priv)
@@ -1443,7 +2281,7 @@ err1:
static int vlv_resume_prepare(struct drm_i915_private *dev_priv,
bool rpm_resume)
{
- struct drm_device *dev = dev_priv->dev;
+ struct drm_device *dev = &dev_priv->drm;
int err;
int ret;
@@ -1479,10 +2317,10 @@ static int intel_runtime_suspend(struct device *device)
{
struct pci_dev *pdev = to_pci_dev(device);
struct drm_device *dev = pci_get_drvdata(pdev);
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = to_i915(dev);
int ret;
- if (WARN_ON_ONCE(!(dev_priv->rps.enabled && intel_enable_rc6(dev))))
+ if (WARN_ON_ONCE(!(dev_priv->rps.enabled && intel_enable_rc6())))
return -ENODEV;
if (WARN_ON_ONCE(!HAS_RUNTIME_PM(dev)))
@@ -1517,11 +2355,8 @@ static int intel_runtime_suspend(struct device *device)
i915_gem_release_all_mmaps(dev_priv);
mutex_unlock(&dev->struct_mutex);
- cancel_delayed_work_sync(&dev_priv->gpu_error.hangcheck_work);
-
intel_guc_suspend(dev);
- intel_suspend_gt_powersave(dev);
intel_runtime_pm_disable_interrupts(dev_priv);
ret = 0;
@@ -1543,7 +2378,7 @@ static int intel_runtime_suspend(struct device *device)
return ret;
}
- intel_uncore_forcewake_reset(dev, false);
+ intel_uncore_forcewake_reset(dev_priv, false);
enable_rpm_wakeref_asserts(dev_priv);
WARN_ON_ONCE(atomic_read(&dev_priv->pm.wakeref_count));
@@ -1557,14 +2392,14 @@ static int intel_runtime_suspend(struct device *device)
* FIXME: We really should find a document that references the arguments
* used below!
*/
- if (IS_BROADWELL(dev)) {
+ 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, PCI_D3hot);
+ intel_opregion_notify_adapter(dev_priv, PCI_D3hot);
} else {
/*
* current versions of firmware which depend on this opregion
@@ -1573,11 +2408,14 @@ static int intel_runtime_suspend(struct device *device)
* to distinguish it from notifications that might be sent via
* the suspend path.
*/
- intel_opregion_notify_adapter(dev, PCI_D1);
+ intel_opregion_notify_adapter(dev_priv, PCI_D1);
}
assert_forcewakes_inactive(dev_priv);
+ if (!IS_VALLEYVIEW(dev_priv) || !IS_CHERRYVIEW(dev_priv))
+ intel_hpd_poll_init(dev_priv);
+
DRM_DEBUG_KMS("Device suspended\n");
return 0;
}
@@ -1586,7 +2424,7 @@ static int intel_runtime_resume(struct device *device)
{
struct pci_dev *pdev = to_pci_dev(device);
struct drm_device *dev = pci_get_drvdata(pdev);
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = to_i915(dev);
int ret = 0;
if (WARN_ON_ONCE(!HAS_RUNTIME_PM(dev)))
@@ -1597,7 +2435,7 @@ static int intel_runtime_resume(struct device *device)
WARN_ON_ONCE(atomic_read(&dev_priv->pm.wakeref_count));
disable_rpm_wakeref_asserts(dev_priv);
- intel_opregion_notify_adapter(dev, PCI_D0);
+ intel_opregion_notify_adapter(dev_priv, PCI_D0);
dev_priv->pm.suspended = false;
if (intel_uncore_unclaimed_mmio(dev_priv))
DRM_DEBUG_DRIVER("Unclaimed access during suspend, bios?\n");
@@ -1624,7 +2462,7 @@ static int intel_runtime_resume(struct device *device)
* we can do is to hope that things will still work (and disable RPM).
*/
i915_gem_init_swizzling(dev);
- gen6_update_ring_freq(dev);
+ gen6_update_ring_freq(dev_priv);
intel_runtime_pm_enable_interrupts(dev_priv);
@@ -1636,8 +2474,6 @@ static int intel_runtime_resume(struct device *device)
if (!IS_VALLEYVIEW(dev_priv) && !IS_CHERRYVIEW(dev_priv))
intel_hpd_init(dev_priv);
- intel_enable_gt_powersave(dev);
-
enable_rpm_wakeref_asserts(dev_priv);
if (ret)
@@ -1648,7 +2484,7 @@ static int intel_runtime_resume(struct device *device)
return ret;
}
-static const struct dev_pm_ops i915_pm_ops = {
+const struct dev_pm_ops i915_pm_ops = {
/*
* S0ix (via system suspend) and S3 event handlers [PMSG_SUSPEND,
* PMSG_RESUME]
@@ -1673,14 +2509,14 @@ static const struct dev_pm_ops i915_pm_ops = {
* @restore, @restore_early : called after rebooting and restoring the
* hibernation image [PMSG_RESTORE]
*/
- .freeze = i915_pm_suspend,
- .freeze_late = i915_pm_suspend_late,
- .thaw_early = i915_pm_resume_early,
- .thaw = i915_pm_resume,
+ .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_resume_early,
- .restore = i915_pm_resume,
+ .restore_early = i915_pm_restore_early,
+ .restore = i915_pm_restore,
/* S0ix (via runtime suspend) event handlers */
.runtime_suspend = intel_runtime_suspend,
@@ -1707,6 +2543,68 @@ static const struct file_operations i915_driver_fops = {
.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, DRM_AUTH|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, DRM_AUTH),
+ DRM_IOCTL_DEF_DRV(I915_GEM_EXECBUFFER2, i915_gem_execbuffer2, DRM_AUTH|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_AUTH|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_AUTH|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_GTT, i915_gem_mmap_gtt_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, DRM_RENDER_ALLOW),
+ DRM_IOCTL_DEF_DRV(I915_GEM_GET_TILING, i915_gem_get_tiling, 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, 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_CONTROL_ALLOW),
+ DRM_IOCTL_DEF_DRV(I915_OVERLAY_ATTRS, intel_overlay_attrs_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW),
+ DRM_IOCTL_DEF_DRV(I915_SET_SPRITE_COLORKEY, intel_sprite_set_colorkey, DRM_MASTER|DRM_CONTROL_ALLOW),
+ DRM_IOCTL_DEF_DRV(I915_GET_SPRITE_COLORKEY, drm_noop, DRM_MASTER|DRM_CONTROL_ALLOW),
+ DRM_IOCTL_DEF_DRV(I915_GEM_WAIT, i915_gem_wait_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
+ DRM_IOCTL_DEF_DRV(I915_GEM_CONTEXT_CREATE, 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),
+};
+
static struct drm_driver driver = {
/* Don't use MTRRs here; the Xserver or userspace app should
* deal with them for Intel hardware.
@@ -1714,18 +2612,12 @@ static struct drm_driver driver = {
.driver_features =
DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM | DRIVER_PRIME |
DRIVER_RENDER | DRIVER_MODESET,
- .load = i915_driver_load,
- .unload = i915_driver_unload,
.open = i915_driver_open,
.lastclose = i915_driver_lastclose,
.preclose = i915_driver_preclose,
.postclose = i915_driver_postclose,
.set_busid = drm_pci_set_busid,
-#if defined(CONFIG_DEBUG_FS)
- .debugfs_init = i915_debugfs_init,
- .debugfs_cleanup = i915_debugfs_cleanup,
-#endif
.gem_free_object = i915_gem_free_object,
.gem_vm_ops = &i915_gem_vm_ops,
@@ -1738,6 +2630,7 @@ static struct drm_driver driver = {
.dumb_map_offset = i915_gem_mmap_gtt,
.dumb_destroy = drm_gem_dumb_destroy,
.ioctls = i915_ioctls,
+ .num_ioctls = ARRAY_SIZE(i915_ioctls),
.fops = &i915_driver_fops,
.name = DRIVER_NAME,
.desc = DRIVER_DESC,
@@ -1746,56 +2639,3 @@ static struct drm_driver driver = {
.minor = DRIVER_MINOR,
.patchlevel = DRIVER_PATCHLEVEL,
};
-
-static struct pci_driver i915_pci_driver = {
- .name = DRIVER_NAME,
- .id_table = pciidlist,
- .probe = i915_pci_probe,
- .remove = i915_pci_remove,
- .driver.pm = &i915_pm_ops,
-};
-
-static int __init i915_init(void)
-{
- driver.num_ioctls = i915_max_ioctl;
-
- /*
- * Enable KMS by default, unless explicitly overriden by
- * either the i915.modeset prarameter or by the
- * vga_text_mode_force boot option.
- */
-
- if (i915.modeset == 0)
- driver.driver_features &= ~DRIVER_MODESET;
-
- if (vgacon_text_force() && i915.modeset == -1)
- driver.driver_features &= ~DRIVER_MODESET;
-
- if (!(driver.driver_features & DRIVER_MODESET)) {
- /* Silently fail loading to not upset userspace. */
- DRM_DEBUG_DRIVER("KMS and UMS disabled.\n");
- return 0;
- }
-
- if (i915.nuclear_pageflip)
- driver.driver_features |= DRIVER_ATOMIC;
-
- return drm_pci_init(&driver, &i915_pci_driver);
-}
-
-static void __exit i915_exit(void)
-{
- if (!(driver.driver_features & DRIVER_MODESET))
- return; /* Never loaded a driver. */
-
- drm_pci_exit(&driver, &i915_pci_driver);
-}
-
-module_init(i915_init);
-module_exit(i915_exit);
-
-MODULE_AUTHOR("Tungsten Graphics, Inc.");
-MODULE_AUTHOR("Intel Corporation");
-
-MODULE_DESCRIPTION(DRIVER_DESC);
-MODULE_LICENSE("GPL and additional rights");