diff --git a/src/imagination/vulkan/pvr_cmd_buffer.c b/src/imagination/vulkan/pvr_cmd_buffer.c
index c9acf4dc5c6..a7b8e9511ff 100644
--- a/src/imagination/vulkan/pvr_cmd_buffer.c
+++ b/src/imagination/vulkan/pvr_cmd_buffer.c
@@ -1740,6 +1740,9 @@ static VkResult pvr_sub_cmd_gfx_job_init(const struct pvr_device_info *dev_info,
    job->run_frag = true;
    job->geometry_terminate = true;
 
+   /* TODO: Enable pixel merging when it's safe to do. */
+   job->disable_pixel_merging = true;
+
    return VK_SUCCESS;
 }
 
diff --git a/src/imagination/vulkan/pvr_job_render.c b/src/imagination/vulkan/pvr_job_render.c
index 0727e465c27..5515e315e98 100644
--- a/src/imagination/vulkan/pvr_job_render.c
+++ b/src/imagination/vulkan/pvr_job_render.c
@@ -1493,6 +1493,7 @@ pvr_frag_state_flags_init(const struct pvr_render_job *const job,
       .use_single_core = job->frag_uses_atomic_ops,
       .get_vis_results = job->get_vis_results,
       .has_spm_scratch_buffer = job->requires_spm_scratch_buffer,
+      .disable_pixel_merging = job->disable_pixel_merging,
    };
 }
 
diff --git a/src/imagination/vulkan/pvr_job_render.h b/src/imagination/vulkan/pvr_job_render.h
index 042cef4aca4..1c9353292af 100644
--- a/src/imagination/vulkan/pvr_job_render.h
+++ b/src/imagination/vulkan/pvr_job_render.h
@@ -83,6 +83,7 @@ struct pvr_render_job {
       bool has_depth_attachment : 1;
       bool has_stencil_attachment : 1;
       bool requires_spm_scratch_buffer : 1;
+      bool disable_pixel_merging : 1;
    };
 
    uint32_t pds_pixel_event_data_offset;
diff --git a/src/imagination/vulkan/winsys/powervr/pvr_drm_job_render.c b/src/imagination/vulkan/winsys/powervr/pvr_drm_job_render.c
index 1d63a4f771e..d395bf460fd 100644
--- a/src/imagination/vulkan/winsys/powervr/pvr_drm_job_render.c
+++ b/src/imagination/vulkan/winsys/powervr/pvr_drm_job_render.c
@@ -454,6 +454,9 @@ static uint32_t pvr_winsys_frag_flags_to_drm(
    if (ws_flags->has_spm_scratch_buffer)
       flags |= DRM_PVR_SUBMIT_JOB_FRAG_CMD_SCRATCHBUFFER;
 
+   if (ws_flags->disable_pixel_merging)
+      flags |= DRM_PVR_SUBMIT_JOB_FRAG_CMD_DISABLE_PIXELMERGE;
+
    return flags;
 }
 
diff --git a/src/imagination/vulkan/winsys/pvr_winsys.h b/src/imagination/vulkan/winsys/pvr_winsys.h
index 9315efb90f9..aa2b41d04ef 100644
--- a/src/imagination/vulkan/winsys/pvr_winsys.h
+++ b/src/imagination/vulkan/winsys/pvr_winsys.h
@@ -341,6 +341,7 @@ struct pvr_winsys_render_submit_info {
          bool use_single_core : 1;
          bool get_vis_results : 1;
          bool has_spm_scratch_buffer : 1;
+         bool disable_pixel_merging : 1;
       } flags;
 
       struct vk_sync *wait;
diff --git a/src/imagination/vulkan/winsys/pvrsrvkm/pvr_srv_job_render.c b/src/imagination/vulkan/winsys/pvrsrvkm/pvr_srv_job_render.c
index 7b15015fced..e8fbe48b2dd 100644
--- a/src/imagination/vulkan/winsys/pvrsrvkm/pvr_srv_job_render.c
+++ b/src/imagination/vulkan/winsys/pvrsrvkm/pvr_srv_job_render.c
@@ -921,6 +921,9 @@ pvr_srv_fragment_cmd_init(struct rogue_fwif_cmd_3d *cmd,
 
    if (state->flags.has_spm_scratch_buffer)
       cmd->flags |= ROGUE_FWIF_RENDERFLAGS_SPMSCRATCHBUFFER;
+
+   if (state->flags.disable_pixel_merging)
+      cmd->flags |= ROGUE_FWIF_RENDERFLAGS_DISABLE_PIXELMERGE;
 }
 
 VkResult pvr_srv_winsys_render_submit(