Merge tag 'drm-misc-fixes-2021-07-28' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes

Short summary of fixes pull:

 * panel: Fix bpc for ytc700tlag_05_201c
 * ttm: debugfs init fixes

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

From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/YQFTESngqkeqzlhN@linux-uq9g.fritz.box
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
index d01c4c9..704dace 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
@@ -296,7 +296,7 @@
 static const struct dpu_mdp_cfg sm8250_mdp[] = {
 	{
 	.name = "top_0", .id = MDP_TOP,
-	.base = 0x0, .len = 0x45C,
+	.base = 0x0, .len = 0x494,
 	.features = 0,
 	.highest_bank_bit = 0x3, /* TODO: 2 for LP_DDR4 */
 	.clk_ctrls[DPU_CLK_CTRL_VIG0] = {
diff --git a/drivers/gpu/drm/msm/dp/dp_catalog.c b/drivers/gpu/drm/msm/dp/dp_catalog.c
index ca96e35..c0423e7 100644
--- a/drivers/gpu/drm/msm/dp/dp_catalog.c
+++ b/drivers/gpu/drm/msm/dp/dp_catalog.c
@@ -771,6 +771,7 @@
 	dp_write_link(catalog, REG_DP_HSYNC_VSYNC_WIDTH_POLARITY,
 				dp_catalog->width_blanking);
 	dp_write_link(catalog, REG_DP_ACTIVE_HOR_VER, dp_catalog->dp_active);
+	dp_write_p0(catalog, MMSS_DP_INTF_CONFIG, 0);
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/msm/dp/dp_ctrl.c b/drivers/gpu/drm/msm/dp/dp_ctrl.c
index ee221d8..eaddfd73 100644
--- a/drivers/gpu/drm/msm/dp/dp_ctrl.c
+++ b/drivers/gpu/drm/msm/dp/dp_ctrl.c
@@ -1526,7 +1526,7 @@
 	 * running. Add the global reset just before disabling the
 	 * link clocks and core clocks.
 	 */
-	ret = dp_ctrl_off(&ctrl->dp_ctrl);
+	ret = dp_ctrl_off_link_stream(&ctrl->dp_ctrl);
 	if (ret) {
 		DRM_ERROR("failed to disable DP controller\n");
 		return ret;
diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c
index 051c1be..867388a 100644
--- a/drivers/gpu/drm/msm/dp/dp_display.c
+++ b/drivers/gpu/drm/msm/dp/dp_display.c
@@ -219,6 +219,7 @@
 		goto end;
 	}
 
+	dp->aux->drm_dev = drm;
 	rc = dp_aux_register(dp->aux);
 	if (rc) {
 		DRM_ERROR("DRM DP AUX register failed\n");
@@ -1311,6 +1312,10 @@
 	else
 		dp->dp_display.is_connected = false;
 
+	dp_display_handle_plugged_change(g_dp_display,
+				dp->dp_display.is_connected);
+
+
 	mutex_unlock(&dp->event_mutex);
 
 	return 0;
diff --git a/drivers/gpu/drm/msm/msm_iommu.c b/drivers/gpu/drm/msm/msm_iommu.c
index eed2a76..bcaddbb 100644
--- a/drivers/gpu/drm/msm/msm_iommu.c
+++ b/drivers/gpu/drm/msm/msm_iommu.c
@@ -142,6 +142,9 @@
 	.tlb_add_page = msm_iommu_tlb_add_page,
 };
 
+static int msm_fault_handler(struct iommu_domain *domain, struct device *dev,
+		unsigned long iova, int flags, void *arg);
+
 struct msm_mmu *msm_iommu_pagetable_create(struct msm_mmu *parent)
 {
 	struct adreno_smmu_priv *adreno_smmu = dev_get_drvdata(parent->dev);
@@ -157,6 +160,13 @@
 	if (!ttbr1_cfg)
 		return ERR_PTR(-ENODEV);
 
+	/*
+	 * Defer setting the fault handler until we have a valid adreno_smmu
+	 * to avoid accidentially installing a GPU specific fault handler for
+	 * the display's iommu
+	 */
+	iommu_set_fault_handler(iommu->domain, msm_fault_handler, iommu);
+
 	pagetable = kzalloc(sizeof(*pagetable), GFP_KERNEL);
 	if (!pagetable)
 		return ERR_PTR(-ENOMEM);
@@ -300,7 +310,6 @@
 
 	iommu->domain = domain;
 	msm_mmu_init(&iommu->base, dev, &funcs, MSM_MMU_IOMMU);
-	iommu_set_fault_handler(domain, msm_fault_handler, iommu);
 
 	atomic_set(&iommu->pagetables, 0);