diff --git a/configure b/configure
index 8413826..7af7569 100755
--- a/configure
+++ b/configure
@@ -3088,6 +3088,8 @@ vp9_qsv_decoder_select="qsvdec"
 vp9_rkmpp_decoder_deps="rkmpp"
 vp9_vaapi_encoder_deps="VAEncPictureParameterBufferVP9"
 vp9_vaapi_encoder_select="vaapi_encode"
+vp9_qsv_encoder_deps="libmfx MFX_CODEC_VP9"
+vp9_qsv_encoder_select="qsvenc"
 vp9_v4l2m2m_decoder_deps="v4l2_m2m vp9_v4l2_m2m"
 wmv3_crystalhd_decoder_select="crystalhd"
 
@@ -6239,6 +6241,10 @@ enabled liblensfun        && require_pkg_config liblensfun lensfun lensfun.h lf_
 # can find the libraries and headers through other means.
 enabled libmfx            && { check_pkg_config libmfx libmfx "mfx/mfxvideo.h" MFXInit ||
                                { require libmfx "mfx/mfxvideo.h" MFXInit "-llibmfx $advapi32_extralibs" && warn "using libmfx without pkg-config"; } }
+if enabled libmfx; then
+   check_cc MFX_CODEC_VP9 "mfx/mfxvp9.h mfx/mfxstructures.h" "MFX_CODEC_VP9"
+fi
+
 enabled libmodplug        && require_pkg_config libmodplug libmodplug libmodplug/modplug.h ModPlug_Load
 enabled libmp3lame        && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame $libm_extralibs
 enabled libmysofa         && { check_pkg_config libmysofa libmysofa mysofa.h mysofa_neighborhood_init_withstepdefine ||
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index 37a84a6..25e16f9 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -685,6 +685,7 @@ OBJS-$(CONFIG_VP9_CUVID_DECODER)       += cuviddec.o
 OBJS-$(CONFIG_VP9_MEDIACODEC_DECODER)  += mediacodecdec.o
 OBJS-$(CONFIG_VP9_RKMPP_DECODER)       += rkmppdec.o
 OBJS-$(CONFIG_VP9_VAAPI_ENCODER)       += vaapi_encode_vp9.o
+OBJS-$(CONFIG_VP9_QSV_ENCODER)         += qsvenc_vp9.o
 OBJS-$(CONFIG_VPLAYER_DECODER)         += textdec.o ass.o
 OBJS-$(CONFIG_VP9_V4L2M2M_DECODER)     += v4l2_m2m_dec.o
 OBJS-$(CONFIG_VQA_DECODER)             += vqavideo.o
diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c
index 41f6801..23a778e 100644
--- a/libavcodec/allcodecs.c
+++ b/libavcodec/allcodecs.c
@@ -784,6 +784,7 @@ extern AVCodec ff_vp9_cuvid_decoder;
 extern AVCodec ff_vp9_mediacodec_decoder;
 extern AVCodec ff_vp9_qsv_decoder;
 extern AVCodec ff_vp9_vaapi_encoder;
+extern AVCodec ff_vp9_qsv_encoder;
 
 // The iterate API is not usable with ossfuzz due to the excessive size of binaries created
 #if CONFIG_OSSFUZZ
diff --git a/libavcodec/qsvenc.c b/libavcodec/qsvenc.c
index 207cdc1..cbce617 100644
--- a/libavcodec/qsvenc.c
+++ b/libavcodec/qsvenc.c
@@ -637,7 +637,8 @@ static int init_video_param(AVCodecContext *avctx, QSVEncContext *q)
     // The HEVC encoder plugin currently fails with some old libmfx version if coding options
     // are provided. Can't find the extract libmfx version which fixed it, just enable it from
     // V1.28 in order to keep compatibility security.
-    if ((avctx->codec_id != AV_CODEC_ID_HEVC) || QSV_RUNTIME_VERSION_ATLEAST(q->ver, 1, 28)) {
+    if (((avctx->codec_id != AV_CODEC_ID_HEVC) || QSV_RUNTIME_VERSION_ATLEAST(q->ver, 1, 28))
+        && (avctx->codec_id != AV_CODEC_ID_VP9)) {
         q->extco.Header.BufferId      = MFX_EXTBUFF_CODING_OPTION;
         q->extco.Header.BufferSz      = sizeof(q->extco);
 
@@ -761,6 +762,15 @@ FF_ENABLE_DEPRECATION_WARNINGS
 #endif
     }
 
+#if QSV_HAVE_EXT_VP9_PARAM
+    if (avctx->codec_id == AV_CODEC_ID_VP9) {
+       q->extvp9param.Header.BufferId = MFX_EXTBUFF_VP9_PARAM;
+       q->extvp9param.Header.BufferSz = sizeof(q->extvp9param);
+       q->extvp9param.WriteIVFHeaders = MFX_CODINGOPTION_OFF;
+       q->extparam_internal[q->nb_extparam_internal++] = (mfxExtBuffer *)&q->extvp9param;
+    }
+#endif
+
     if (!check_enc_param(avctx,q)) {
         av_log(avctx, AV_LOG_ERROR,
                "some encoding parameters are not supported by the QSV "
@@ -789,6 +799,53 @@ static int qsv_retrieve_enc_jpeg_params(AVCodecContext *avctx, QSVEncContext *q)
     return 0;
 }
 
+static int qsv_retrieve_enc_vp9_params(AVCodecContext *avctx, QSVEncContext *q)
+{
+    int ret = 0;
+#if QSV_HAVE_EXT_VP9_PARAM
+    mfxExtVP9Param vp9_extend_buf = {
+         .Header.BufferId = MFX_EXTBUFF_VP9_PARAM,
+         .Header.BufferSz = sizeof(vp9_extend_buf),
+    };
+#endif
+
+#if QSV_HAVE_CO2
+    mfxExtCodingOption2 co2 = {
+        .Header.BufferId = MFX_EXTBUFF_CODING_OPTION2,
+        .Header.BufferSz = sizeof(co2),
+    };
+#endif
+
+#if QSV_HAVE_CO3
+    mfxExtCodingOption3 co3 = {
+        .Header.BufferId = MFX_EXTBUFF_CODING_OPTION3,
+        .Header.BufferSz = sizeof(co3),
+    };
+#endif
+
+    mfxExtBuffer *ext_buffers[] = {
+        (mfxExtBuffer*)&vp9_extend_buf,
+#if QSV_HAVE_CO2
+        (mfxExtBuffer*)&co2,
+#endif
+#if QSV_HAVE_CO3
+        (mfxExtBuffer*)&co3,
+#endif
+    };
+
+    q->param.ExtParam    = ext_buffers;
+    q->param.NumExtParam = FF_ARRAY_ELEMS(ext_buffers);
+
+    ret = MFXVideoENCODE_GetVideoParam(q->session, &q->param);
+    if (ret < 0)
+        return ff_qsv_print_error(avctx, ret,
+                                  "Error calling GetVideoParam");
+
+    q->packet_size = q->param.mfx.BufferSizeInKB * q->param.mfx.BRCParamMultiplier * 1000;
+
+    return 0;
+}
+
 static int qsv_retrieve_enc_params(AVCodecContext *avctx, QSVEncContext *q)
 {
     AVCPBProperties *cpb_props;
@@ -1110,6 +1167,9 @@ int ff_qsv_enc_init(AVCodecContext *avctx, QSVEncContext *q)
     case AV_CODEC_ID_MJPEG:
         ret = qsv_retrieve_enc_jpeg_params(avctx, q);
         break;
+    case AV_CODEC_ID_VP9:
+	ret = qsv_retrieve_enc_vp9_params(avctx, q);
+	break;
     default:
         ret = qsv_retrieve_enc_params(avctx, q);
         break;
diff --git a/libavcodec/qsvenc.h b/libavcodec/qsvenc.h
index ec8b541..a3e9357 100644
--- a/libavcodec/qsvenc.h
+++ b/libavcodec/qsvenc.h
@@ -38,6 +38,8 @@
 #define QSV_HAVE_CO3 QSV_VERSION_ATLEAST(1, 11)
 #define QSV_HAVE_CO_VPS  QSV_VERSION_ATLEAST(1, 17)
 
+#define QSV_HAVE_EXT_VP9_PARAM QSV_VERSION_ATLEAST(1, 26)
+
 #define QSV_HAVE_TRELLIS QSV_VERSION_ATLEAST(1, 8)
 #define QSV_HAVE_MAX_SLICE_SIZE QSV_VERSION_ATLEAST(1, 9)
 #define QSV_HAVE_BREF_TYPE      QSV_VERSION_ATLEAST(1, 8)
@@ -122,6 +124,10 @@ typedef struct QSVEncContext {
     mfxExtMultiFrameParam   extmfp;
     mfxExtMultiFrameControl extmfc;
 #endif
+#if QSV_HAVE_EXT_VP9_PARAM
+   mfxExtVP9Param  extvp9param;
+#endif
+
     mfxExtOpaqueSurfaceAlloc opaque_alloc;
     mfxFrameSurface1       **opaque_surfaces;
     AVBufferRef             *opaque_alloc_buf;
diff --git a/libavcodec/qsvenc_vp9.c b/libavcodec/qsvenc_vp9.c
new file mode 100644
index 0000000..9402f80
--- /dev/null
+++ b/libavcodec/qsvenc_vp9.c
@@ -0,0 +1,113 @@
+/*
+ * Intel MediaSDK QSV based VP9 encoder
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <mfx/mfxvideo.h>
+
+#include "libavutil/common.h"
+#include "libavutil/opt.h"
+
+#include "avcodec.h"
+#include "internal.h"
+#include "qsv.h"
+#include "qsv_internal.h"
+#include "qsvenc.h"
+
+typedef struct QSVVP9EncContext {
+    AVClass *class;
+    QSVEncContext qsv;
+} QSVVP9EncContext;
+
+static av_cold int qsv_enc_init(AVCodecContext *avctx)
+{
+    QSVVP9EncContext *q = avctx->priv_data;
+    q->qsv.low_power = 1;
+
+    return ff_qsv_enc_init(avctx, &q->qsv);
+}
+
+static int qsv_enc_frame(AVCodecContext *avctx, AVPacket *pkt,
+                         const AVFrame *frame, int *got_packet)
+{
+    QSVVP9EncContext *q = avctx->priv_data;
+
+    return ff_qsv_encode(avctx, &q->qsv, pkt, frame, got_packet);
+}
+
+static av_cold int qsv_enc_close(AVCodecContext *avctx)
+{
+    QSVVP9EncContext *q = avctx->priv_data;
+
+    return ff_qsv_enc_close(avctx, &q->qsv);
+}
+
+#define OFFSET(x) offsetof(QSVVP9EncContext, x)
+#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
+static const AVOption options[] = {
+    QSV_COMMON_OPTS
+
+    { "profile",   NULL, OFFSET(qsv.profile), AV_OPT_TYPE_INT,   { .i64 = MFX_PROFILE_UNKNOWN },   0,       INT_MAX,  VE,  "profile" },
+    { "unknown",   NULL, 0,                   AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_UNKNOWN},   INT_MIN,  INT_MAX,  VE,  "profile" },
+    { "profile0",  NULL, 0,                   AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_VP9_0   },  INT_MIN,  INT_MAX,  VE,  "profile" },
+    { "profile1",  NULL, 0,                   AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_VP9_1   },  INT_MIN,  INT_MAX,  VE,  "profile" },
+    { "profile2",  NULL, 0,                   AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_VP9_2   },  INT_MIN,  INT_MAX,  VE,  "profile" },
+    { "profile3",  NULL, 0,                   AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_VP9_3   },  INT_MIN,  INT_MAX,  VE,  "profile" },
+
+    { NULL },
+};
+
+static const AVClass class = {
+    .class_name = "vp9_qsv encoder",
+    .item_name  = av_default_item_name,
+    .option     = options,
+    .version    = LIBAVUTIL_VERSION_INT,
+};
+
+static const AVCodecDefault qsv_enc_defaults[] = {
+    { "b",         "1M"    },
+    { "refs",      "0"     },
+    { "g",         "250"   },
+    { "trellis",   "-1"    },
+    { "flags",     "+cgop" },
+    { NULL },
+};
+
+AVCodec ff_vp9_qsv_encoder = {
+    .name           = "vp9_qsv",
+    .long_name      = NULL_IF_CONFIG_SMALL("VP9 video (Intel Quick Sync Video acceleration)"),
+    .priv_data_size = sizeof(QSVVP9EncContext),
+    .type           = AVMEDIA_TYPE_VIDEO,
+    .id             = AV_CODEC_ID_VP9,
+    .init           = qsv_enc_init,
+    .encode2        = qsv_enc_frame,
+    .close          = qsv_enc_close,
+    .capabilities   = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HYBRID,
+    .pix_fmts       = (const enum AVPixelFormat[]){ AV_PIX_FMT_NV12,
+                                                    AV_PIX_FMT_P010,
+                                                    AV_PIX_FMT_QSV,
+                                                    AV_PIX_FMT_NONE },
+    .priv_class     = &class,
+    .defaults       = qsv_enc_defaults,
+    .caps_internal  = FF_CODEC_CAP_INIT_CLEANUP,
+    .wrapper_name   = "qsv",
+};
