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Merge tag 'drm-intel-fixes-2017-11-30' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixes

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- Disable transparent huge pages for now until we have a W/A
- Building fix when CONFIG_BACKLIGHT_CLASS_DEVICE is not selected
- GMBUS communication robustness
- Fbdev hotplug handling fix

gvt-fixes-2017-11-28

- regression fix for sane request alloc (Fred)
- locking fix (Changbin)
- fix invalid addr mask (Xiong)
- compression regression fix (Weinan)
- fix default pipe enable for virtual display (Xiaolin)

* tag 'drm-intel-fixes-2017-11-30' of git://anongit.freedesktop.org/drm/drm-intel:
  drm/i915: Disable THP until we have a GPU read BW W/A
  drm/i915/gvt: Correct ADDR_4K/2M/1G_MASK definition
  drm/i915/gvt: enabled pipe A default on creating vgpu
  drm/i915/gvt: Move request alloc to dispatch_workload path only
  drm/i915/gvt: remove skl_misc_ctl_write handler
  drm/i915/gvt: Fix unsafe locking caused by spin_unlock_bh
  drm/i915: fix intel_backlight_device_register declaration
  drm/i915/fbdev: Serialise early hotplug events with async fbdev config
  drm/i915: Prevent zero length "index" write
  drm/i915: Don't try indexed reads to alternate slave addresses
This commit is contained in:
Dave Airlie 2017-12-01 09:10:32 +10:00
commit 9f93b78ca9
10 changed files with 56 additions and 58 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpu/drm/i915/gvt/display.c
View File

@ -282,6 +282,7 @@ static void clean_virtual_dp_monitor(struct intel_vgpu *vgpu, int port_num)
static int setup_virtual_dp_monitor(struct intel_vgpu *vgpu, int port_num,
int type, unsigned int resolution)
{
struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv;
struct intel_vgpu_port *port = intel_vgpu_port(vgpu, port_num);
if (WARN_ON(resolution >= GVT_EDID_NUM))
@ -307,6 +308,7 @@ static int setup_virtual_dp_monitor(struct intel_vgpu *vgpu, int port_num,
port->type = type;
emulate_monitor_status_change(vgpu);
vgpu_vreg(vgpu, PIPECONF(PIPE_A)) |= PIPECONF_ENABLE;
return 0;
}

6
drivers/gpu/drm/i915/gvt/execlist.c
View File

@ -496,6 +496,12 @@ static int prepare_execlist_workload(struct intel_vgpu_workload *workload)
goto err_unpin_mm;
}
ret = intel_gvt_generate_request(workload);
if (ret) {
gvt_vgpu_err("fail to generate request\n");
goto err_unpin_mm;
}
ret = prepare_shadow_batch_buffer(workload);
if (ret) {
gvt_vgpu_err("fail to prepare_shadow_batch_buffer\n");

6
drivers/gpu/drm/i915/gvt/gtt.c
View File

@ -311,9 +311,9 @@ static inline int gtt_set_entry64(void *pt,
#define GTT_HAW 46
#define ADDR_1G_MASK (((1UL << (GTT_HAW - 30 + 1)) - 1) << 30)
#define ADDR_2M_MASK (((1UL << (GTT_HAW - 21 + 1)) - 1) << 21)
#define ADDR_4K_MASK (((1UL << (GTT_HAW - 12 + 1)) - 1) << 12)
#define ADDR_1G_MASK (((1UL << (GTT_HAW - 30)) - 1) << 30)
#define ADDR_2M_MASK (((1UL << (GTT_HAW - 21)) - 1) << 21)
#define ADDR_4K_MASK (((1UL << (GTT_HAW - 12)) - 1) << 12)
static unsigned long gen8_gtt_get_pfn(struct intel_gvt_gtt_entry *e)
{

45
drivers/gpu/drm/i915/gvt/handlers.c
View File

@ -1381,40 +1381,6 @@ static int skl_power_well_ctl_write(struct intel_vgpu *vgpu,
return intel_vgpu_default_mmio_write(vgpu, offset, &v, bytes);
}
static int skl_misc_ctl_write(struct intel_vgpu *vgpu, unsigned int offset,
void *p_data, unsigned int bytes)
{
struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv;
u32 v = *(u32 *)p_data;
if (!IS_SKYLAKE(dev_priv) && !IS_KABYLAKE(dev_priv))
return intel_vgpu_default_mmio_write(vgpu,
offset, p_data, bytes);
switch (offset) {
case 0x4ddc:
/* bypass WaCompressedResourceSamplerPbeMediaNewHashMode */
vgpu_vreg(vgpu, offset) = v & ~(1 << 31);
break;
case 0x42080:
/* bypass WaCompressedResourceDisplayNewHashMode */
vgpu_vreg(vgpu, offset) = v & ~(1 << 15);
break;
case 0xe194:
/* bypass WaCompressedResourceSamplerPbeMediaNewHashMode */
vgpu_vreg(vgpu, offset) = v & ~(1 << 8);
break;
case 0x7014:
/* bypass WaCompressedResourceSamplerPbeMediaNewHashMode */
vgpu_vreg(vgpu, offset) = v & ~(1 << 13);
break;
default:
return -EINVAL;
}
return 0;
}
static int skl_lcpll_write(struct intel_vgpu *vgpu, unsigned int offset,
void *p_data, unsigned int bytes)
{
@ -1671,8 +1637,8 @@ static int init_generic_mmio_info(struct intel_gvt *gvt)
MMIO_DFH(GAM_ECOCHK, D_ALL, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(GEN7_COMMON_SLICE_CHICKEN1, D_ALL, F_MODE_MASK | F_CMD_ACCESS,
NULL, NULL);
MMIO_DFH(COMMON_SLICE_CHICKEN2, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL,
skl_misc_ctl_write);
MMIO_DFH(COMMON_SLICE_CHICKEN2, D_ALL, F_MODE_MASK | F_CMD_ACCESS,
NULL, NULL);
MMIO_DFH(0x9030, D_ALL, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0x20a0, D_ALL, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0x2420, D_ALL, F_CMD_ACCESS, NULL, NULL);
@ -2564,8 +2530,7 @@ static int init_broadwell_mmio_info(struct intel_gvt *gvt)
MMIO_D(0x6e570, D_BDW_PLUS);
MMIO_D(0x65f10, D_BDW_PLUS);
MMIO_DFH(0xe194, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL,
skl_misc_ctl_write);
MMIO_DFH(0xe194, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0xe188, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(HALF_SLICE_CHICKEN2, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0x2580, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
@ -2615,8 +2580,8 @@ static int init_skl_mmio_info(struct intel_gvt *gvt)
MMIO_D(GEN9_MEDIA_PG_IDLE_HYSTERESIS, D_SKL_PLUS);
MMIO_D(GEN9_RENDER_PG_IDLE_HYSTERESIS, D_SKL_PLUS);
MMIO_DFH(GEN9_GAMT_ECO_REG_RW_IA, D_SKL_PLUS, F_CMD_ACCESS, NULL, NULL);
MMIO_DH(0x4ddc, D_SKL_PLUS, NULL, skl_misc_ctl_write);
MMIO_DH(0x42080, D_SKL_PLUS, NULL, skl_misc_ctl_write);
MMIO_DH(0x4ddc, D_SKL_PLUS, NULL, NULL);
MMIO_DH(0x42080, D_SKL_PLUS, NULL, NULL);
MMIO_D(0x45504, D_SKL_PLUS);
MMIO_D(0x45520, D_SKL_PLUS);
MMIO_D(0x46000, D_SKL_PLUS);

33
drivers/gpu/drm/i915/gvt/scheduler.c
View File

@ -140,9 +140,10 @@ static int shadow_context_status_change(struct notifier_block *nb,
struct intel_gvt_workload_scheduler *scheduler = &gvt->scheduler;
enum intel_engine_id ring_id = req->engine->id;
struct intel_vgpu_workload *workload;
unsigned long flags;
if (!is_gvt_request(req)) {
spin_lock_bh(&scheduler->mmio_context_lock);
spin_lock_irqsave(&scheduler->mmio_context_lock, flags);
if (action == INTEL_CONTEXT_SCHEDULE_IN &&
scheduler->engine_owner[ring_id]) {
/* Switch ring from vGPU to host. */
@ -150,7 +151,7 @@ static int shadow_context_status_change(struct notifier_block *nb,
NULL, ring_id);
scheduler->engine_owner[ring_id] = NULL;
}
spin_unlock_bh(&scheduler->mmio_context_lock);
spin_unlock_irqrestore(&scheduler->mmio_context_lock, flags);
return NOTIFY_OK;
}
@ -161,7 +162,7 @@ static int shadow_context_status_change(struct notifier_block *nb,
switch (action) {
case INTEL_CONTEXT_SCHEDULE_IN:
spin_lock_bh(&scheduler->mmio_context_lock);
spin_lock_irqsave(&scheduler->mmio_context_lock, flags);
if (workload->vgpu != scheduler->engine_owner[ring_id]) {
/* Switch ring from host to vGPU or vGPU to vGPU. */
intel_gvt_switch_mmio(scheduler->engine_owner[ring_id],
@ -170,7 +171,7 @@ static int shadow_context_status_change(struct notifier_block *nb,
} else
gvt_dbg_sched("skip ring %d mmio switch for vgpu%d\n",
ring_id, workload->vgpu->id);
spin_unlock_bh(&scheduler->mmio_context_lock);
spin_unlock_irqrestore(&scheduler->mmio_context_lock, flags);
atomic_set(&workload->shadow_ctx_active, 1);
break;
case INTEL_CONTEXT_SCHEDULE_OUT:
@ -253,7 +254,6 @@ int intel_gvt_scan_and_shadow_workload(struct intel_vgpu_workload *workload)
struct i915_gem_context *shadow_ctx = workload->vgpu->shadow_ctx;
struct drm_i915_private *dev_priv = workload->vgpu->gvt->dev_priv;
struct intel_engine_cs *engine = dev_priv->engine[ring_id];
struct drm_i915_gem_request *rq;
struct intel_vgpu *vgpu = workload->vgpu;
struct intel_ring *ring;
int ret;
@ -299,6 +299,26 @@ int intel_gvt_scan_and_shadow_workload(struct intel_vgpu_workload *workload)
ret = populate_shadow_context(workload);
if (ret)
goto err_unpin;
workload->shadowed = true;
return 0;
err_unpin:
engine->context_unpin(engine, shadow_ctx);
err_shadow:
release_shadow_wa_ctx(&workload->wa_ctx);
err_scan:
return ret;
}
int intel_gvt_generate_request(struct intel_vgpu_workload *workload)
{
int ring_id = workload->ring_id;
struct drm_i915_private *dev_priv = workload->vgpu->gvt->dev_priv;
struct intel_engine_cs *engine = dev_priv->engine[ring_id];
struct drm_i915_gem_request *rq;
struct intel_vgpu *vgpu = workload->vgpu;
struct i915_gem_context *shadow_ctx = vgpu->shadow_ctx;
int ret;
rq = i915_gem_request_alloc(dev_priv->engine[ring_id], shadow_ctx);
if (IS_ERR(rq)) {
@ -313,14 +333,11 @@ int intel_gvt_scan_and_shadow_workload(struct intel_vgpu_workload *workload)
ret = copy_workload_to_ring_buffer(workload);
if (ret)
goto err_unpin;
workload->shadowed = true;
return 0;
err_unpin:
engine->context_unpin(engine, shadow_ctx);
err_shadow:
release_shadow_wa_ctx(&workload->wa_ctx);
err_scan:
return ret;
}

3
drivers/gpu/drm/i915/gvt/scheduler.h
View File

@ -142,4 +142,7 @@ int intel_vgpu_init_gvt_context(struct intel_vgpu *vgpu);
void intel_vgpu_clean_gvt_context(struct intel_vgpu *vgpu);
void release_shadow_wa_ctx(struct intel_shadow_wa_ctx *wa_ctx);
int intel_gvt_generate_request(struct intel_vgpu_workload *workload);
#endif

3
drivers/gpu/drm/i915/i915_gemfs.c
View File

@ -52,7 +52,8 @@ int i915_gemfs_init(struct drm_i915_private *i915)
if (has_transparent_hugepage()) {
struct super_block *sb = gemfs->mnt_sb;
char options[] = "huge=within_size";
/* FIXME: Disabled until we get W/A for read BW issue. */
char options[] = "huge=never";
int flags = 0;
int err;

2
drivers/gpu/drm/i915/intel_drv.h
View File

@ -1736,7 +1736,7 @@ extern struct drm_display_mode *intel_find_panel_downclock(
int intel_backlight_device_register(struct intel_connector *connector);
void intel_backlight_device_unregister(struct intel_connector *connector);
#else /* CONFIG_BACKLIGHT_CLASS_DEVICE */
static int intel_backlight_device_register(struct intel_connector *connector)
static inline int intel_backlight_device_register(struct intel_connector *connector)
{
return 0;
}

10
drivers/gpu/drm/i915/intel_fbdev.c
View File

@ -697,10 +697,8 @@ static void intel_fbdev_initial_config(void *data, async_cookie_t cookie)
/* Due to peculiar init order wrt to hpd handling this is separate. */
if (drm_fb_helper_initial_config(&ifbdev->helper,
ifbdev->preferred_bpp)) {
ifbdev->preferred_bpp))
intel_fbdev_unregister(to_i915(ifbdev->helper.dev));
intel_fbdev_fini(to_i915(ifbdev->helper.dev));
}
}
void intel_fbdev_initial_config_async(struct drm_device *dev)
@ -800,7 +798,11 @@ void intel_fbdev_output_poll_changed(struct drm_device *dev)
{
struct intel_fbdev *ifbdev = to_i915(dev)->fbdev;
if (ifbdev)
if (!ifbdev)
return;
intel_fbdev_sync(ifbdev);
if (ifbdev->vma)
drm_fb_helper_hotplug_event(&ifbdev->helper);
}

4
drivers/gpu/drm/i915/intel_i2c.c
View File

@ -438,7 +438,9 @@ static bool
gmbus_is_index_read(struct i2c_msg *msgs, int i, int num)
{
return (i + 1 < num &&
!(msgs[i].flags & I2C_M_RD) && msgs[i].len <= 2 &&
msgs[i].addr == msgs[i + 1].addr &&
!(msgs[i].flags & I2C_M_RD) &&
(msgs[i].len == 1 || msgs[i].len == 2) &&
(msgs[i + 1].flags & I2C_M_RD));
}