Merge tag 'drm-misc-fixes-2023-12-14' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes

drm-misc-fixes for v6.7-rc6:
- Fix regression for checking if FD is master capable.
- Fix uninitialized variables in drm/crtc.
- Fix ivpu w/a.
- Refresh modes correctly when updating EDID.
- Small panel fixes.

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/2d46b68f-c5a4-45e5-beb4-411569f4aac8@linux.intel.com

4 files changed, 8 insertions, 7 deletions

diff --git a/drivers/gpu/drm/drm_auth.c b/drivers/gpu/drm/drm_auth.c
index 2ed2585ded37..6899b3dc1f12 100644
--- a/drivers/gpu/drm/drm_auth.c
+++ b/drivers/gpu/drm/drm_auth.c
@@ -236,7 +236,7 @@ static int
 drm_master_check_perm(struct drm_device *dev, struct drm_file *file_priv)
 {
 	if (file_priv->was_master &&
-	    rcu_access_pointer(file_priv->pid) == task_pid(current))
+	    rcu_access_pointer(file_priv->pid) == task_tgid(current))
 		return 0;
 
 	if (!capable(CAP_SYS_ADMIN))
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index df9bf3c9206e..cb90e70d85e8 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -715,8 +715,7 @@ int drm_mode_setcrtc(struct drm_device *dev, void *data,
 	struct drm_mode_set set;
 	uint32_t __user *set_connectors_ptr;
 	struct drm_modeset_acquire_ctx ctx;
-	int ret;
-	int i;
+	int ret, i, num_connectors = 0;
 
 	if (!drm_core_check_feature(dev, DRIVER_MODESET))
 		return -EOPNOTSUPP;
@@ -871,6 +870,7 @@ int drm_mode_setcrtc(struct drm_device *dev, void *data,
 					connector->name);
 
 			connector_set[i] = connector;
+			num_connectors++;
 		}
 	}
 
@@ -879,7 +879,7 @@ int drm_mode_setcrtc(struct drm_device *dev, void *data,
 	set.y = crtc_req->y;
 	set.mode = mode;
 	set.connectors = connector_set;
-	set.num_connectors = crtc_req->count_connectors;
+	set.num_connectors = num_connectors;
 	set.fb = fb;
 
 	if (drm_drv_uses_atomic_modeset(dev))
@@ -892,7 +892,7 @@ out:
 		drm_framebuffer_put(fb);
 
 	if (connector_set) {
-		for (i = 0; i < crtc_req->count_connectors; i++) {
+		for (i = 0; i < num_connectors; i++) {
 			if (connector_set[i])
 				drm_connector_put(connector_set[i]);
 		}
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 39db08f803ea..3b4065099872 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -2309,7 +2309,8 @@ int drm_edid_override_connector_update(struct drm_connector *connector)
 
 	override = drm_edid_override_get(connector);
 	if (override) {
-		num_modes = drm_edid_connector_update(connector, override);
+		if (drm_edid_connector_update(connector, override) == 0)
+			num_modes = drm_edid_connector_add_modes(connector);
 
 		drm_edid_free(override);
 
diff --git a/drivers/gpu/drm/panel/panel-leadtek-ltk050h3146w.c b/drivers/gpu/drm/panel/panel-leadtek-ltk050h3146w.c
index 6e3670508e3a..30919c872ac8 100644
--- a/drivers/gpu/drm/panel/panel-leadtek-ltk050h3146w.c
+++ b/drivers/gpu/drm/panel/panel-leadtek-ltk050h3146w.c
@@ -326,7 +326,7 @@ static const struct drm_display_mode ltk050h3148w_mode = {
 static const struct ltk050h3146w_desc ltk050h3148w_data = {
 	.mode = &ltk050h3148w_mode,
 	.init = ltk050h3148w_init_sequence,
-	.mode_flags = MIPI_DSI_MODE_VIDEO_SYNC_PULSE,
+	.mode_flags = MIPI_DSI_MODE_VIDEO_SYNC_PULSE | MIPI_DSI_MODE_VIDEO_BURST,
 };
 
 static int ltk050h3146w_init_sequence(struct ltk050h3146w *ctx)