- fix for GLK and CNL watermark workaround

- fix for display affecting NUCs with LSPCON
 - freeing an allocated write_buf on hdcp
 - audio hook when display is disabled
 - vma stop holding ppgtt reference
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Merge tag 'drm-intel-fixes-2018-08-29' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixes

- fix for GLK and CNL watermark workaround
- fix for display affecting NUCs with LSPCON
- freeing an allocated write_buf on hdcp
- audio hook when display is disabled
- vma stop holding ppgtt reference

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180829234512.GA32468@intel.com

drivers/gpu/drm/i915/i915_vma.c

@@ -199,7 +199,6 @@ vma_create(struct drm_i915_gem_object *obj,
 		vma->flags |= I915_VMA_GGTT;
 		list_add(&vma->obj_link, &obj->vma_list);
 	} else {
-		i915_ppgtt_get(i915_vm_to_ppgtt(vm));
 		list_add_tail(&vma->obj_link, &obj->vma_list);
 	}
 
@@ -807,9 +806,6 @@ static void __i915_vma_destroy(struct i915_vma *vma)
 	if (vma->obj)
 		rb_erase(&vma->obj_node, &vma->obj->vma_tree);
 
-	if (!i915_vma_is_ggtt(vma))
-		i915_ppgtt_put(i915_vm_to_ppgtt(vma->vm));
-
 	rbtree_postorder_for_each_entry_safe(iter, n, &vma->active, node) {
 		GEM_BUG_ON(i915_gem_active_isset(&iter->base));
 		kfree(iter);

drivers/gpu/drm/i915/intel_audio.c

@@ -962,9 +962,6 @@ void i915_audio_component_init(struct drm_i915_private *dev_priv)
 {
 	int ret;
 
-	if (INTEL_INFO(dev_priv)->num_pipes == 0)
-		return;
-
 	ret = component_add(dev_priv->drm.dev, &i915_audio_component_bind_ops);
 	if (ret < 0) {
 		DRM_ERROR("failed to add audio component (%d)\n", ret);

drivers/gpu/drm/i915/intel_display.c

@@ -2988,6 +2988,7 @@ static int skl_check_main_surface(const struct intel_crtc_state *crtc_state,
 	int w = drm_rect_width(&plane_state->base.src) >> 16;
 	int h = drm_rect_height(&plane_state->base.src) >> 16;
 	int dst_x = plane_state->base.dst.x1;
+	int dst_w = drm_rect_width(&plane_state->base.dst);
 	int pipe_src_w = crtc_state->pipe_src_w;
 	int max_width = skl_max_plane_width(fb, 0, rotation);
 	int max_height = 4096;
@@ -3009,10 +3010,10 @@ static int skl_check_main_surface(const struct intel_crtc_state *crtc_state,
 	 * screen may cause FIFO underflow and display corruption.
 	 */
 	if ((IS_GEMINILAKE(dev_priv) || IS_CANNONLAKE(dev_priv)) &&
-	    (dst_x + w < 4 || dst_x > pipe_src_w - 4)) {
+	    (dst_x + dst_w < 4 || dst_x > pipe_src_w - 4)) {
 		DRM_DEBUG_KMS("requested plane X %s position %d invalid (valid range %d-%d)\n",
-			      dst_x + w < 4 ? "end" : "start",
-			      dst_x + w < 4 ? dst_x + w : dst_x,
+			      dst_x + dst_w < 4 ? "end" : "start",
+			      dst_x + dst_w < 4 ? dst_x + dst_w : dst_x,
 			      4, pipe_src_w - 4);
 		return -ERANGE;
 	}

drivers/gpu/drm/i915/intel_hdmi.c

@@ -943,8 +943,12 @@ static int intel_hdmi_hdcp_write(struct intel_digital_port *intel_dig_port,
 
 	ret = i2c_transfer(adapter, &msg, 1);
 	if (ret == 1)
-		return 0;
-	return ret >= 0 ? -EIO : ret;
+		ret = 0;
+	else if (ret >= 0)
+		ret = -EIO;
+
+	kfree(write_buf);
+	return ret;
 }
 
 static

drivers/gpu/drm/i915/intel_lspcon.c

@@ -74,7 +74,7 @@ static enum drm_lspcon_mode lspcon_wait_mode(struct intel_lspcon *lspcon,
 	DRM_DEBUG_KMS("Waiting for LSPCON mode %s to settle\n",
 		      lspcon_mode_name(mode));
 
-	wait_for((current_mode = lspcon_get_current_mode(lspcon)) == mode, 100);
+	wait_for((current_mode = lspcon_get_current_mode(lspcon)) == mode, 400);
 	if (current_mode != mode)
 		DRM_ERROR("LSPCON mode hasn't settled\n");