From a642ff15a6e6692b31a01a216787e685d70ec63f Mon Sep 17 00:00:00 2001
From: David Rosca <david.rosca@amd.com>
Date: Mon, 23 Dec 2024 10:34:47 +0100
Subject: [PATCH] frontends/va: Fix deinterlace filter

Deinterlace filter uses interlaced buffer for output which needs
to be converted to progressive. Add back code that handles this.

Fixes: c324364f392 ("frontends/va: Only use interlaced surfaces when progressive is not supported")
Reviewed-by: David (Ming Qiang) Wu <David.Wu3@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/32768>
---
 src/gallium/frontends/va/postproc.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/gallium/frontends/va/postproc.c b/src/gallium/frontends/va/postproc.c
index 45b76013b0f..ae24aed17c3 100644
--- a/src/gallium/frontends/va/postproc.c
+++ b/src/gallium/frontends/va/postproc.c
@@ -415,6 +415,15 @@ static VAStatus vlVaPostProcBlit(vlVaDriver *drv, vlVaContext *context,
       return VA_STATUS_SUCCESS;
    }
 
+   if (src->interlaced != dst->interlaced) {
+      deinterlace = deinterlace ? deinterlace : VL_COMPOSITOR_WEAVE;
+      vl_compositor_yuv_deint_full(&drv->cstate, &drv->compositor,
+                                   src, dst, &src_rect, &dst_rect,
+                                   deinterlace);
+
+      return VA_STATUS_SUCCESS;
+   }
+
    for (i = 0; i < VL_MAX_SURFACES; ++i) {
       struct pipe_surface *from = src_surfaces[i];
       struct pipe_blit_info blit;