Merge branch 'CR_1982_fix_show_previous_last_frame_Windsome.Zeng' into 'jh7110-mm-devel'

[GST] [DRM] Reset DRM to initial state on each playing, using atomic API.

See merge request sdk/buildroot!65

package/gstreamer1/gst1-plugins-bad/0002-set-init-buffer-to-black.patch

@@ -1,21 +0,0 @@
---- a/sys/kms/gstkmssink.c	2020-10-26 19:14:46.656235000 +0800
-+++ b/sys/kms/gstkmssink.c	2021-12-16 15:35:15.590755066 +0800
-@@ -450,6 +450,18 @@
-     goto bo_failed;
-   fb_id = kmsmem->fb_id;
-
-+  GST_INFO_OBJECT (self, "size = %lu, width = %d, height = %d.", vinfo->size, vinfo->width, vinfo->height);
-+  if (vinfo->size == vinfo->width * vinfo->height * 3 / 2) {
-+    GstMapInfo mapInfo;
-+    if (gst_memory_map((GstMemory *)kmsmem, &mapInfo, GST_MAP_WRITE)) {
-+      guint8 *start = mapInfo.data + vinfo->width * vinfo->height;
-+      guint32 size = vinfo->width * vinfo->height / 2;
-+      GST_INFO_OBJECT (self, "Set buffer to blank.");
-+      memset(start, 128, size);
-+      gst_memory_unmap((GstMemory *)kmsmem, &mapInfo);
-+    }
-+  }
-+
-   conn = drmModeGetConnector (self->fd, self->conn_id);
-   if (!conn)
-     goto connector_failed;

package/gstreamer1/gst1-plugins-bad/0003-clear-all-framebuffer-content.patch

@@ -1,17 +0,0 @@
-Clear all framebuffer content when mapping.
-
-Signed-off-by: Windsome Zeng <windsome.zeng@starfivetech.com>
-
-diff -purN a/sys/kms/gstkmsallocator.c b/sys/kms/gstkmsallocator.c
---- a/sys/kms/gstkmsallocator.c	2022-08-31 10:57:31.759791991 +0800
-+++ b/sys/kms/gstkmsallocator.c	2022-08-31 09:25:30.132182006 +0800
-@@ -384,6 +384,9 @@ gst_kms_memory_map (GstMemory * mem, gsi
-   }
-   kmsmem->bo->ptr = out;
- 
-+  /* clear the framebuffer to 0 */
-+   memset(out, 0, kmsmem->bo->size);
-+
- out:
-   g_atomic_int_inc (&kmsmem->bo->refs);
-   return kmsmem->bo->ptr;