there is new libva in el9.4 which supports AV1 VAAPI video encode,

drop chromium-122-revert-av1enc-el9.patch

chromium-122-revert-av1enc-el9.patch

@@ -1,98 +0,0 @@
-diff -up chromium-114.0.5735.35/media/gpu/vaapi/vaapi_video_encode_accelerator.cc.me chromium-114.0.5735.35/media/gpu/vaapi/vaapi_video_encode_accelerator.cc
---- chromium-114.0.5735.35/media/gpu/vaapi/vaapi_video_encode_accelerator.cc.me	2023-05-21 10:05:00.357860329 +0200
-+++ chromium-114.0.5735.35/media/gpu/vaapi/vaapi_video_encode_accelerator.cc	2023-05-21 10:18:09.665432735 +0200
-@@ -41,7 +41,6 @@
- #include "media/gpu/gpu_video_encode_accelerator_helpers.h"
- #include "media/gpu/h264_dpb.h"
- #include "media/gpu/macros.h"
--#include "media/gpu/vaapi/av1_vaapi_video_encoder_delegate.h"
- #include "media/gpu/vaapi/h264_vaapi_video_encoder_delegate.h"
- #include "media/gpu/vaapi/va_surface.h"
- #include "media/gpu/vaapi/vaapi_common.h"
-@@ -200,7 +199,7 @@ bool VaapiVideoEncodeAccelerator::Initia
- 
-   const VideoCodec codec = VideoCodecProfileToVideoCodec(config.output_profile);
-   if (codec != VideoCodec::kH264 && codec != VideoCodec::kVP8 &&
--      codec != VideoCodec::kVP9 && codec != VideoCodec::kAV1) {
-+      codec != VideoCodec::kVP9) {
-     MEDIA_LOG(ERROR, media_log.get())
-         << "Unsupported profile: " << GetProfileName(config.output_profile);
-     return false;
-@@ -293,7 +292,6 @@ void VaapiVideoEncodeAccelerator::Initia
-         break;
-       case VideoCodec::kVP8:
-       case VideoCodec::kVP9:
--      case VideoCodec::kAV1:
-         mode = VaapiWrapper::kEncodeConstantQuantizationParameter;
-         break;
-       default:
-@@ -356,12 +354,6 @@ void VaapiVideoEncodeAccelerator::Initia
-             vaapi_wrapper_, error_cb);
-       }
-       break;
--    case VideoCodec::kAV1:
--      if (!IsConfiguredForTesting()) {
--        encoder_ = std::make_unique<AV1VaapiVideoEncoderDelegate>(
--            vaapi_wrapper_, error_cb);
--      }
--      break;
-     default:
-       NOTREACHED() << "Unsupported codec type " << GetCodecName(output_codec_);
-       return;
-@@ -835,10 +827,6 @@ VaapiVideoEncodeAccelerator::CreateEncod
-     case VideoCodec::kVP9:
-       picture = new VaapiVP9Picture(std::move(reconstructed_surface));
-       break;
--    case VideoCodec::kAV1:
--      picture = new VaapiAV1Picture(/*display_va_surface=*/nullptr,
--                                    std::move(reconstructed_surface));
--      break;
-     default:
-       return nullptr;
-   }
-diff -up chromium-114.0.5735.35/media/gpu/vaapi/BUILD.gn.revert-av1enc chromium-114.0.5735.35/media/gpu/vaapi/BUILD.gn
---- chromium-114.0.5735.35/media/gpu/vaapi/BUILD.gn.revert-av1enc	2023-05-18 00:37:57.000000000 +0200
-+++ chromium-114.0.5735.35/media/gpu/vaapi/BUILD.gn	2023-05-20 13:14:10.756183626 +0200
-@@ -38,8 +38,6 @@ source_set("vaapi") {
-   sources = [
-     "av1_vaapi_video_decoder_delegate.cc",
-     "av1_vaapi_video_decoder_delegate.h",
--    "av1_vaapi_video_encoder_delegate.cc",
--    "av1_vaapi_video_encoder_delegate.h",
-     "h264_vaapi_video_decoder_delegate.cc",
-     "h264_vaapi_video_decoder_delegate.h",
-     "h264_vaapi_video_encoder_delegate.cc",
-diff -up chromium-119.0.6045.105/media/gpu/vaapi/vaapi_wrapper.cc.me chromium-119.0.6045.105/media/gpu/vaapi/vaapi_wrapper.cc
---- chromium-119.0.6045.105/media/gpu/vaapi/vaapi_wrapper.cc.me	2023-11-02 15:08:30.921325747 +0100
-+++ chromium-119.0.6045.105/media/gpu/vaapi/vaapi_wrapper.cc	2023-11-02 15:09:46.123692602 +0100
-@@ -3124,6 +3124,7 @@ bool VaapiWrapper::GetSupportedPackedHea
-   return true;
- }
- 
-+#if 0 //disable AV1 due to old libva on epel9
- bool VaapiWrapper::GetMinAV1SegmentSize(VideoCodecProfile profile,
-                                         uint32_t& min_seg_size) {
-   CHECK(!enforce_sequence_affinity_ ||
-@@ -3141,6 +3142,7 @@ bool VaapiWrapper::GetMinAV1SegmentSize(
- 
-   return true;
- }
-+#endif
- 
- bool VaapiWrapper::BlitSurface(const VASurface& va_surface_src,
-                                const VASurface& va_surface_dest,
-diff -up chromium-119.0.6045.105/media/gpu/vaapi/vaapi_wrapper.h.me chromium-119.0.6045.105/media/gpu/vaapi/vaapi_wrapper.h
---- chromium-119.0.6045.105/media/gpu/vaapi/vaapi_wrapper.h.me	2023-11-02 15:09:58.973928395 +0100
-+++ chromium-119.0.6045.105/media/gpu/vaapi/vaapi_wrapper.h	2023-11-02 15:10:45.990791114 +0100
-@@ -553,9 +553,11 @@ class MEDIA_GPU_EXPORT VaapiWrapper
-       bool& packed_pps,
-       bool& packed_slice);
- 
-+#if 0 //disable AV1 due to old libva on epel9
-   // Gets the minimum segment block size supported for AV1 encoding.
-   [[nodiscard]] bool GetMinAV1SegmentSize(VideoCodecProfile profile,
-                                           uint32_t& min_seg_size);
-+#endif
- 
-   // Blits a VASurface |va_surface_src| into another VASurface
-   // |va_surface_dest| applying pixel format conversion, cropping

chromium.spec

@@ -366,9 +366,6 @@ Patch133: chromium-121-system-old-ffmpeg.patch
 # disable FFmpegAllowLists by default to allow external ffmpeg
 patch134: chromium-125-disable-FFmpegAllowLists.patch
 
-# revert AV1 VAAPI video encode due to old libva on el9 (rhel9.3)
-Patch140: chromium-122-revert-av1enc-el9.patch
-
 # file conflict with old kernel on el8/el9
 Patch141: chromium-118-dma_buf_export_sync_file-conflict.patch
 
@@ -1112,10 +1109,6 @@ Qt6 UI for chromium.
 %patch -P134 -p1 -b .disable-FFmpegAllowLists
 %endif
 
-%if 0%{?rhel} == 9
-%patch -P140 -p1 -b .revert-av1enc
-%endif
-
 %if 0%{?rhel} == 8 || 0%{?rhel} == 9
 %patch -P141 -p1 -b .dma_buf_export_sync_file-conflict
 %endif