Merge tag 'nand/fixes-for-4.12-rc3' of git://git.infradead.org/linux-mtd into MTD

From Boris:
"""
This pull request contains several fixes to the core and the tango
driver.

tango fixes:
 * Add missing MODULE_DEVICE_TABLE() in tango_nand.c
 * Update the number of corrected bitflips

core fixes:
 * Fix a long standing memory leak in nand_scan_tail()
 * Fix several bugs introduced by the per-vendor init/detection
   infrastructure (introduced in 4.12)
 * Add a static specifier to nand_ooblayout_lp_hamming_ops definition
"""

3 files changed, 10 insertions, 3 deletions

diff --git a/drivers/gpu/drm/i915/gvt/handlers.c b/drivers/gpu/drm/i915/gvt/handlers.c
index 0ad1a508e2af..c995e540ff96 100644
--- a/drivers/gpu/drm/i915/gvt/handlers.c
+++ b/drivers/gpu/drm/i915/gvt/handlers.c
@@ -1244,7 +1244,7 @@ static int dma_ctrl_write(struct intel_vgpu *vgpu, unsigned int offset,
         mode = vgpu_vreg(vgpu, offset);
 
         if (GFX_MODE_BIT_SET_IN_MASK(mode, START_DMA)) {
-                WARN_ONCE(1, "VM(%d): iGVT-g doesn't supporte GuC\n",
+                WARN_ONCE(1, "VM(%d): iGVT-g doesn't support GuC\n",
                                 vgpu->id);
                 return 0;
         }
diff --git a/drivers/gpu/drm/i915/gvt/render.c b/drivers/gpu/drm/i915/gvt/render.c
index c6e7972ac21d..a5e11d89df2f 100644
--- a/drivers/gpu/drm/i915/gvt/render.c
+++ b/drivers/gpu/drm/i915/gvt/render.c
@@ -340,6 +340,9 @@ void intel_gvt_restore_render_mmio(struct intel_vgpu *vgpu, int ring_id)
                 } else
                         v = mmio->value;
 
+                if (mmio->in_context)
+                        continue;
+
                 I915_WRITE(mmio->reg, v);
                 POSTING_READ(mmio->reg);
 
diff --git a/drivers/gpu/drm/i915/gvt/sched_policy.c b/drivers/gpu/drm/i915/gvt/sched_policy.c
index 79ba4b3440aa..f25ff133865f 100644
--- a/drivers/gpu/drm/i915/gvt/sched_policy.c
+++ b/drivers/gpu/drm/i915/gvt/sched_policy.c
@@ -129,9 +129,13 @@ static void try_to_schedule_next_vgpu(struct intel_gvt *gvt)
         struct vgpu_sched_data *vgpu_data;
         ktime_t cur_time;
 
-        /* no target to schedule */
-        if (!scheduler->next_vgpu)
+        /* no need to schedule if next_vgpu is the same with current_vgpu,
+         * let scheduler chose next_vgpu again by setting it to NULL.
+         */
+        if (scheduler->next_vgpu == scheduler->current_vgpu) {
+                scheduler->next_vgpu = NULL;
                 return;
+        }
 
         /*
          * after the flag is set, workload dispatch thread will