diff --git a/src/amd/vulkan/radv_video.c b/src/amd/vulkan/radv_video.c
index 4afb622d19e..2a3644a645c 100644
--- a/src/amd/vulkan/radv_video.c
+++ b/src/amd/vulkan/radv_video.c
@@ -149,10 +149,16 @@ radv_vcn_write_memory(struct radv_cmd_buffer *cmd_buffer, uint64_t va, unsigned
    struct radv_physical_device *pdev = radv_device_physical(device);
    struct rvcn_sq_var sq;
    struct radv_cmd_stream *cs = cmd_buffer->cs;
+   enum radv_video_write_memory_support support = radv_video_write_memory_supported(pdev);
 
-   if (!radv_video_write_memory_supported(pdev))
+   if (support == RADV_VIDEO_WRITE_MEMORY_SUPPORT_NONE)
       return;
 
+   if (support == RADV_VIDEO_WRITE_MEMORY_SUPPORT_PCIE_ATOMICS) {
+      fprintf(stderr, "radv: VCN WRITE_MEMORY requires PCIe atomics support. Expect issues "
+                      "if PCIe atomics are not enabled on current device.\n");
+   }
+
    bool separate_queue = pdev->vid_decode_ip != AMD_IP_VCN_UNIFIED;
    if (cmd_buffer->qf == RADV_QUEUE_VIDEO_DEC && separate_queue && pdev->vid_dec_reg.data2) {
       radeon_check_space(device->ws, cs->b, 8);
diff --git a/src/amd/vulkan/radv_video.h b/src/amd/vulkan/radv_video.h
index 086a1b23317..2c2ad32f2a4 100644
--- a/src/amd/vulkan/radv_video.h
+++ b/src/amd/vulkan/radv_video.h
@@ -73,6 +73,19 @@ struct radv_video_session {
    bool session_initialized;
 };
 
+/**
+ *  WRITE_MEMORY support in FW.
+ *
+ *  none: Not supported at all. Old VCN FW and all UVD.
+ *  pcie_atomics: Supported, relies on PCIe atomics.
+ *  full: Supported, works also without PCIe atomics.
+ */
+enum radv_video_write_memory_support {
+   RADV_VIDEO_WRITE_MEMORY_SUPPORT_NONE = 0,
+   RADV_VIDEO_WRITE_MEMORY_SUPPORT_PCIE_ATOMICS,
+   RADV_VIDEO_WRITE_MEMORY_SUPPORT_FULL,
+};
+
 VK_DEFINE_NONDISP_HANDLE_CASTS(radv_video_session, vk.base, VkVideoSessionKHR, VK_OBJECT_TYPE_VIDEO_SESSION_KHR)
 
 void radv_init_physical_device_decoder(struct radv_physical_device *pdev);
@@ -98,7 +111,7 @@ void radv_video_get_enc_dpb_image(struct radv_device *device, const struct VkVid
 bool radv_video_decode_vp9_supported(const struct radv_physical_device *pdev);
 bool radv_video_encode_av1_supported(const struct radv_physical_device *pdev);
 bool radv_video_encode_qp_map_supported(const struct radv_physical_device *pdev);
-bool radv_video_write_memory_supported(const struct radv_physical_device *pdev);
+enum radv_video_write_memory_support radv_video_write_memory_supported(const struct radv_physical_device *pdev);
 uint32_t radv_video_get_qp_map_texel_size(VkVideoCodecOperationFlagBitsKHR codec);
 bool radv_check_vcn_fw_version(const struct radv_physical_device *pdev, uint32_t dec, uint32_t enc, uint32_t rev);
 
diff --git a/src/amd/vulkan/radv_video_enc.c b/src/amd/vulkan/radv_video_enc.c
index b49dfd65a63..8bdbd7a77ba 100644
--- a/src/amd/vulkan/radv_video_enc.c
+++ b/src/amd/vulkan/radv_video_enc.c
@@ -3456,17 +3456,20 @@ radv_video_encode_qp_map_supported(const struct radv_physical_device *pdev)
    return true;
 }
 
-bool
+enum radv_video_write_memory_support
 radv_video_write_memory_supported(const struct radv_physical_device *pdev)
 {
-   if (pdev->info.vcn_ip_version >= VCN_5_0_0)
-      return true;
-   else if (pdev->info.vcn_ip_version >= VCN_4_0_0)
-      return pdev->info.vcn_enc_minor_version >= 22;
-   else if (pdev->info.vcn_ip_version >= VCN_3_0_0)
-      return pdev->info.vcn_enc_minor_version >= 33;
-   else if (pdev->info.vcn_ip_version >= VCN_2_0_0)
-      return pdev->info.vcn_enc_minor_version >= 24;
-   else /* VCN 1 and UVD */
-      return false;
+   if (pdev->info.vcn_ip_version >= VCN_5_0_0) {
+      return RADV_VIDEO_WRITE_MEMORY_SUPPORT_PCIE_ATOMICS;
+   } else if (pdev->info.vcn_ip_version >= VCN_4_0_0) {
+      if (pdev->info.vcn_enc_minor_version >= 22)
+         return RADV_VIDEO_WRITE_MEMORY_SUPPORT_PCIE_ATOMICS;
+   } else if (pdev->info.vcn_ip_version >= VCN_3_0_0) {
+      if (pdev->info.vcn_enc_minor_version >= 33)
+         return RADV_VIDEO_WRITE_MEMORY_SUPPORT_PCIE_ATOMICS;
+   } else if (pdev->info.vcn_ip_version >= VCN_2_0_0) {
+      if (pdev->info.vcn_enc_minor_version >= 24)
+         return RADV_VIDEO_WRITE_MEMORY_SUPPORT_PCIE_ATOMICS;
+   }
+   return RADV_VIDEO_WRITE_MEMORY_SUPPORT_NONE;
 }