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Only one fix for DSC (backoff after drm_modeset_lock deadlock)

Browse Source 
and GVT's fixes including vGPU display plane size calculation,
 shadow mm pin count, error recovery path for workload create
 and one kerneldoc fix.
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Merge tag 'drm-intel-fixes-2019-04-04' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixes

Only one fix for DSC (backoff after drm_modeset_lock deadlock)
and GVT's fixes including vGPU display plane size calculation,
shadow mm pin count, error recovery path for workload create
and one kerneldoc fix.

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190404161116.GA14522@intel.com
This commit is contained in:
Dave Airlie 2019-04-05 10:45:27 +10:00
commit 23b5f422e8
5 changed files with 11 additions and 11 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

@ -448,7 +448,7 @@ void intel_gvt_emulate_vblank(struct intel_gvt *gvt)
/**
* intel_vgpu_emulate_hotplug - trigger hotplug event for vGPU
* @vgpu: a vGPU
* @conncted: link state
* @connected: link state
*
* This function is used to trigger hotplug interrupt for vGPU
*

8
drivers/gpu/drm/i915/gvt/dmabuf.c
View File

@ -238,9 +238,6 @@ static int vgpu_get_plane_info(struct drm_device *dev,
default:
gvt_vgpu_err("invalid tiling mode: %x\n", p.tiled);
}
info->size = (((p.stride * p.height * p.bpp) / 8) +
(PAGE_SIZE - 1)) >> PAGE_SHIFT;
} else if (plane_id == DRM_PLANE_TYPE_CURSOR) {
ret = intel_vgpu_decode_cursor_plane(vgpu, &c);
if (ret)
@ -262,14 +259,13 @@ static int vgpu_get_plane_info(struct drm_device *dev,
info->x_hot = UINT_MAX;
info->y_hot = UINT_MAX;
}
info->size = (((info->stride * c.height * c.bpp) / 8)
+ (PAGE_SIZE - 1)) >> PAGE_SHIFT;
} else {
gvt_vgpu_err("invalid plane id:%d\n", plane_id);
return -EINVAL;
}
info->size = (info->stride * info->height + PAGE_SIZE - 1)
>> PAGE_SHIFT;
if (info->size == 0) {
gvt_vgpu_err("fb size is zero\n");
return -EINVAL;

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

@ -1946,7 +1946,7 @@ void _intel_vgpu_mm_release(struct kref *mm_ref)
*/
void intel_vgpu_unpin_mm(struct intel_vgpu_mm *mm)
{
atomic_dec(&mm->pincount);
atomic_dec_if_positive(&mm->pincount);
}
/**

5
drivers/gpu/drm/i915/gvt/scheduler.c
View File

@ -1486,8 +1486,9 @@ intel_vgpu_create_workload(struct intel_vgpu *vgpu, int ring_id,
intel_runtime_pm_put_unchecked(dev_priv);
}
if (ret && (vgpu_is_vm_unhealthy(ret))) {
enter_failsafe_mode(vgpu, GVT_FAILSAFE_GUEST_ERR);
if (ret) {
if (vgpu_is_vm_unhealthy(ret))
enter_failsafe_mode(vgpu, GVT_FAILSAFE_GUEST_ERR);
intel_vgpu_destroy_workload(workload);
return ERR_PTR(ret);
}

5
drivers/gpu/drm/i915/i915_debugfs.c
View File

@ -4830,7 +4830,10 @@ static int i915_dsc_fec_support_show(struct seq_file *m, void *data)
ret = drm_modeset_lock(&dev->mode_config.connection_mutex,
&ctx);
if (ret) {
ret = -EINTR;
if (ret == -EDEADLK && !drm_modeset_backoff(&ctx)) {
try_again = true;
continue;
}
break;
}
crtc = connector->state->crtc;