diff --git a/media/gpu/v4l2/v4l2_video_decoder_backend_stateless.cc b/media/gpu/v4l2/v4l2_video_decoder_backend_stateless.cc
index 50d48c832121ba..4e83f33ba69a0e 100644
--- a/media/gpu/v4l2/v4l2_video_decoder_backend_stateless.cc
+++ b/media/gpu/v4l2/v4l2_video_decoder_backend_stateless.cc
@@ -426,12 +426,16 @@ bool V4L2StatelessVideoDecoderBackend::PumpDecodeTask() {
           profile_ = decoder_->GetProfile();
         }
 
-        if (pic_size_ == decoder_->GetPicSize()) {
+        if (pic_size_ == decoder_->GetPicSize() &&
+            bit_depth_ == decoder_->GetBitDepth() &&
+            chroma_sampling_ == decoder_->GetChromaSampling()) {
           // There is no need to do anything in V4L2 API when only a profile is
           // changed.
           DVLOGF(3) << "Only profile is changed. No need to do anything.";
           continue;
         }
+        bit_depth_ = decoder_->GetBitDepth();
+        chroma_sampling_ = decoder_->GetChromaSampling();
 
         DVLOGF(3) << "Need to change resolution. Pause decoding.";
         client_->InitiateFlush();
diff --git a/media/gpu/v4l2/v4l2_video_decoder_backend_stateless.h b/media/gpu/v4l2/v4l2_video_decoder_backend_stateless.h
index 2932bdccc9bf53..327b97bbcd495f 100644
--- a/media/gpu/v4l2/v4l2_video_decoder_backend_stateless.h
+++ b/media/gpu/v4l2/v4l2_video_decoder_backend_stateless.h
@@ -17,6 +17,7 @@
 #include "media/base/cdm_context.h"
 #include "media/base/decoder_status.h"
 #include "media/base/video_decoder.h"
+#include "media/base/video_types.h"
 #include "media/gpu/chromeos/dmabuf_video_frame_pool.h"
 #include "media/gpu/v4l2/v4l2_decode_surface_handler.h"
 #include "media/gpu/v4l2/v4l2_video_decoder_backend.h"
@@ -150,6 +151,14 @@ class V4L2StatelessVideoDecoderBackend : public V4L2VideoDecoderBackend,
   // Video coded size we are decoding.
   gfx::Size pic_size_;
 
+  // Bit depth and chroma sampling currently negotiated with the V4L2 CAPTURE
+  // queue. Tracked so that a mid-stream bit-depth-only change (e.g. AV1 Main
+  // 8-bit -> 10-bit at constant resolution) re-runs SetupOutputFormat() and
+  // re-allocates the DMA-BUF pool, rather than queueing a 10-bit per-request
+  // control against an NV12-sized CAPTURE buffer.
+  uint8_t bit_depth_ = 0;
+  VideoChromaSampling chroma_sampling_ = VideoChromaSampling::kUnknown;
+
   // Video decoder used to parse stream headers by software.
   std::unique_ptr<AcceleratedVideoDecoder> decoder_;