Again just complicates gem init functions and makes a general mess out
of everything.

Good riddance!

Signed-off-by: Daniel Vetter <[email protected]>
---
 drivers/gpu/drm/i915/i915_dma.c            |  3 ---
 drivers/gpu/drm/i915/i915_drv.c            |  5 +----
 drivers/gpu/drm/i915/i915_drv.h            | 14 --------------
 drivers/gpu/drm/i915/i915_gem.c            | 21 ---------------------
 drivers/gpu/drm/i915/i915_gem_execbuffer.c |  6 ------
 5 files changed, 1 insertion(+), 48 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index dba79197bf96..ebf39fb8cca3 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -1780,9 +1780,6 @@ int i915_driver_load(struct drm_device *dev, unsigned 
long flags)
                        DRM_ERROR("failed to init modeset\n");
                        goto out_power_well;
                }
-       } else {
-               /* Start out suspended in ums mode. */
-               dev_priv->ums.mm_suspended = 1;
        }
 
        i915_setup_sysfs(dev);
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 19558d61b032..c3e49e128885 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -852,10 +852,7 @@ int i915_reset(struct drm_device *dev)
         * was running at the time of the reset (i.e. we weren't VT
         * switched away).
         */
-       if (drm_core_check_feature(dev, DRIVER_MODESET) ||
-                       !dev_priv->ums.mm_suspended) {
-               dev_priv->ums.mm_suspended = 0;
-
+       if (drm_core_check_feature(dev, DRIVER_MODESET)) {
                /* Used to prevent gem_check_wedged returning -EAGAIN during 
gpu reset */
                dev_priv->gpu_error.reload_in_reset = true;
 
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 716bf7de18b5..75d77b88f0ee 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1140,18 +1140,6 @@ struct i915_dri1_state {
        uint32_t counter;
 };
 
-struct i915_ums_state {
-       /**
-        * Flag if the X Server, and thus DRM, is not currently in
-        * control of the device.
-        *
-        * This is set between LeaveVT and EnterVT.  It needs to be
-        * replaced with a semaphore.  It also needs to be
-        * transitioned away from for kernel modesetting.
-        */
-       int mm_suspended;
-};
-
 #define MAX_L3_SLICES 2
 struct intel_l3_parity {
        u32 *remap_info[MAX_L3_SLICES];
@@ -1790,8 +1778,6 @@ struct drm_i915_private {
        /* Old dri1 support infrastructure, beware the dragons ya fools entering
         * here! */
        struct i915_dri1_state dri1;
-       /* Old ums support infrastructure, same warning applies. */
-       struct i915_ums_state ums;
 
        /* Abstract the submission mechanism (legacy ringbuffer or execlists) 
away */
        struct {
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index e61ba2b8c133..1b3a4bcb754f 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2410,7 +2410,6 @@ int __i915_add_request(struct intel_engine_cs *ring,
                       struct drm_i915_gem_object *obj,
                       u32 *out_seqno)
 {
-       struct drm_i915_private *dev_priv = ring->dev->dev_private;
        struct drm_i915_gem_request *request;
        struct intel_ringbuffer *ringbuf;
        u32 request_ring_position, request_start;
@@ -2501,16 +2500,6 @@ int __i915_add_request(struct intel_engine_cs *ring,
        ring->outstanding_lazy_seqno = 0;
        ring->preallocated_lazy_request = NULL;
 
-       if (!dev_priv->ums.mm_suspended) {
-               i915_queue_hangcheck(ring->dev);
-
-               cancel_delayed_work_sync(&dev_priv->mm.idle_work);
-               queue_delayed_work(dev_priv->wq,
-                                  &dev_priv->mm.retire_work,
-                                  round_jiffies_up_relative(HZ));
-               intel_mark_busy(dev_priv->dev);
-       }
-
        if (out_seqno)
                *out_seqno = request->seqno;
        return 0;
@@ -4651,9 +4640,6 @@ i915_gem_suspend(struct drm_device *dev)
        int ret = 0;
 
        mutex_lock(&dev->struct_mutex);
-       if (dev_priv->ums.mm_suspended)
-               goto err;
-
        ret = i915_gpu_idle(dev);
        if (ret)
                goto err;
@@ -4666,13 +4652,6 @@ i915_gem_suspend(struct drm_device *dev)
 
        i915_kernel_lost_context(dev);
        i915_gem_stop_ringbuffers(dev);
-
-       /* Hack!  Don't let anybody do execbuf while we don't control the chip.
-        * We need to replace this with a semaphore, or something.
-        * And not confound ums.mm_suspended!
-        */
-       dev_priv->ums.mm_suspended = !drm_core_check_feature(dev,
-                                                            DRIVER_MODESET);
        mutex_unlock(&dev->struct_mutex);
 
        del_timer_sync(&dev_priv->gpu_error.hangcheck_timer);
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c 
b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index e1ed85a6dc6d..41c3dca33625 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -1297,12 +1297,6 @@ i915_gem_do_execbuffer(struct drm_device *dev, void 
*data,
        if (ret)
                goto pre_mutex_err;
 
-       if (dev_priv->ums.mm_suspended) {
-               mutex_unlock(&dev->struct_mutex);
-               ret = -EBUSY;
-               goto pre_mutex_err;
-       }
-
        ctx = i915_gem_validate_context(dev, file, ring, ctx_id);
        if (IS_ERR(ctx)) {
                mutex_unlock(&dev->struct_mutex);
-- 
1.9.3

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