diff --git a/src/gallium/frontends/va/picture_hevc.c b/src/gallium/frontends/va/picture_hevc.c
index b83acfed806..2dd77878609 100644
--- a/src/gallium/frontends/va/picture_hevc.c
+++ b/src/gallium/frontends/va/picture_hevc.c
@@ -177,6 +177,12 @@ void vlVaHandlePictureParameterBufferHEVC(vlVaDriver *drv, vlVaContext *context,
    }
    context->desc.h265.pps->st_rps_bits = hevc->st_rps_bits;
    context->desc.h265.UseStRpsBits = true;
+
+   context->desc.h265.slice_parameter.slice_count = 0;
+   context->desc.h265.slice_parameter.slice_info_present = false;
+   memset(context->desc.h265.slice_parameter.slice_data_flag, 0, sizeof(context->desc.h265.slice_parameter.slice_data_flag));
+   memset(context->desc.h265.slice_parameter.slice_data_offset, 0, sizeof(context->desc.h265.slice_parameter.slice_data_offset));
+   memset(context->desc.h265.slice_parameter.slice_data_size, 0, sizeof(context->desc.h265.slice_parameter.slice_data_size));
 }
 
 void vlVaHandleIQMatrixBufferHEVC(vlVaContext *context, vlVaBuffer *buf)
@@ -220,4 +226,31 @@ void vlVaHandleSliceParameterBufferHEVC(vlVaContext *context, vlVaBuffer *buf)
          context->desc.h265.RefPicList[i][j] = h265->RefPicList[i][j];
    }
    context->desc.h265.UseRefPicList = true;
+
+   const size_t max_pipe_hevc_slices = ARRAY_SIZE(context->desc.h265.slice_parameter.slice_data_offset);
+   assert(context->desc.h265.slice_parameter.slice_count < max_pipe_hevc_slices);
+
+   context->desc.h265.slice_parameter.slice_info_present = true;
+   context->desc.h265.slice_parameter.slice_data_size[context->desc.h265.slice_parameter.slice_count] = h265->slice_data_size;
+   context->desc.h265.slice_parameter.slice_data_offset[context->desc.h265.slice_parameter.slice_count] = h265->slice_data_offset;
+
+   switch (h265->slice_data_flag) {
+   case VA_SLICE_DATA_FLAG_ALL:
+      context->desc.h265.slice_parameter.slice_data_flag[context->desc.h265.slice_parameter.slice_count] = PIPE_SLICE_BUFFER_PLACEMENT_TYPE_WHOLE;
+      break;
+   case VA_SLICE_DATA_FLAG_BEGIN:
+      context->desc.h265.slice_parameter.slice_data_flag[context->desc.h265.slice_parameter.slice_count] = PIPE_SLICE_BUFFER_PLACEMENT_TYPE_BEGIN;
+      break;
+   case VA_SLICE_DATA_FLAG_MIDDLE:
+      context->desc.h265.slice_parameter.slice_data_flag[context->desc.h265.slice_parameter.slice_count] = PIPE_SLICE_BUFFER_PLACEMENT_TYPE_MIDDLE;
+      break;
+   case VA_SLICE_DATA_FLAG_END:
+      context->desc.h265.slice_parameter.slice_data_flag[context->desc.h265.slice_parameter.slice_count] = PIPE_SLICE_BUFFER_PLACEMENT_TYPE_END;
+      break;
+   default:
+      break;
+   }
+
+   /* assert(buf->num_elements == 1) above; */
+   context->desc.h265.slice_parameter.slice_count++;
 }
diff --git a/src/gallium/include/pipe/p_video_state.h b/src/gallium/include/pipe/p_video_state.h
index c6aa603c50a..185b600fada 100644
--- a/src/gallium/include/pipe/p_video_state.h
+++ b/src/gallium/include/pipe/p_video_state.h
@@ -131,6 +131,18 @@ enum pipe_h2645_enc_rate_control_method
    PIPE_H2645_ENC_RATE_CONTROL_METHOD_VARIABLE = 0x04
 };
 
+enum pipe_slice_buffer_placement_type
+{
+   /* whole slice is in the buffer */
+   PIPE_SLICE_BUFFER_PLACEMENT_TYPE_WHOLE = 0x0,
+   /* The beginning of the slice is in the buffer but the end is not */
+   PIPE_SLICE_BUFFER_PLACEMENT_TYPE_BEGIN = 0x1,
+   /* Neither beginning nor end of the slice is in the buffer */
+   PIPE_SLICE_BUFFER_PLACEMENT_TYPE_MIDDLE = 0x2,
+   /* end of the slice is in the buffer */
+   PIPE_SLICE_BUFFER_PLACEMENT_TYPE_END = 0x3,
+};
+
 struct pipe_picture_desc
 {
    enum pipe_video_profile profile;
@@ -659,6 +671,15 @@ struct pipe_h265_picture_desc
    uint8_t RefPicList[2][15];
    bool UseRefPicList;
    bool UseStRpsBits;
+
+   struct
+   {
+      bool slice_info_present;
+      uint32_t slice_count;
+      uint32_t slice_data_size[128];
+      uint32_t slice_data_offset[128];
+      enum pipe_slice_buffer_placement_type slice_data_flag[128];
+   } slice_parameter;
 };
 
 struct pipe_mjpeg_picture_desc