diff --git a/src/freedreno/vulkan/tu_clear_blit.c b/src/freedreno/vulkan/tu_clear_blit.c
index d1ddfa70c23..e4afb6d7d95 100644
--- a/src/freedreno/vulkan/tu_clear_blit.c
+++ b/src/freedreno/vulkan/tu_clear_blit.c
@@ -939,6 +939,11 @@ r3d_dst(struct tu_cs *cs, const struct fdl6_view *iview, uint32_t layer)
    tu_cs_emit_pkt4(cs, REG_A6XX_RB_MRT_FLAG_BUFFER(0), 3);
    tu_cs_image_flag_ref(cs, iview, layer);
 
+   /* Use color format from RB_MRT_BUF_INFO. This register is relevant for
+    * FMT6_NV12_Y.
+    */
+   tu_cs_emit_regs(cs, A6XX_GRAS_LRZ_MRT_BUF_INFO_0(.color_format = iview->RB_MRT_BUF_INFO & 0xff));
+
    tu_cs_emit_regs(cs, A6XX_RB_RENDER_CNTL(.flag_mrts = iview->ubwc_enabled));
 }
 
diff --git a/src/freedreno/vulkan/tu_cmd_buffer.c b/src/freedreno/vulkan/tu_cmd_buffer.c
index 2084ccd7b8c..70f1c6943e0 100644
--- a/src/freedreno/vulkan/tu_cmd_buffer.c
+++ b/src/freedreno/vulkan/tu_cmd_buffer.c
@@ -274,6 +274,15 @@ tu6_emit_mrt(struct tu_cmd_buffer *cmd,
       tu_cs_image_flag_ref(cs, &iview->view, 0);
    }
 
+   if (subpass->color_count) {
+      uint32_t a = subpass->color_attachments[0].attachment;
+      if (a != VK_ATTACHMENT_UNUSED) {
+         const struct tu_image_view *iview = cmd->state.attachments[a];
+         enum a6xx_format fmt = iview->view.RB_MRT_BUF_INFO & 0xff;
+         tu_cs_emit_regs(cs, A6XX_GRAS_LRZ_MRT_BUF_INFO_0(.color_format = fmt));
+      }
+   }
+
    tu_cs_emit_regs(cs,
                    A6XX_RB_SRGB_CNTL(.dword = subpass->srgb_cntl));
    tu_cs_emit_regs(cs,