diff --git a/src/vulkan/runtime/vk_nir_convert_ycbcr.c b/src/vulkan/runtime/vk_nir_convert_ycbcr.c
index a4bc64b1415..4aed2b65adc 100644
--- a/src/vulkan/runtime/vk_nir_convert_ycbcr.c
+++ b/src/vulkan/runtime/vk_nir_convert_ycbcr.c
@@ -358,9 +358,7 @@ lower_ycbcr_tex_instr(nir_builder *b, nir_instr *instr, void *_state)
          y_format = format_ycbcr_info->planes[p].format;
    }
    assert(y_format != VK_FORMAT_UNDEFINED);
-   const struct util_format_description *y_format_desc =
-      util_format_description(vk_format_to_pipe_format(y_format));
-   uint8_t y_bpc = y_format_desc->channel[0].size;
+   uint8_t y_bpc = vk_format_get_bpc(y_format);
 
    /* |ycbcr_comp| holds components in the order : Cr-Y-Cb */
    nir_def *zero = nir_imm_float(b, 0.0f);
@@ -399,7 +397,9 @@ lower_ycbcr_tex_instr(nir_builder *b, nir_instr *instr, void *_state)
 
          /* Also compute the number of bits for each component. */
          const struct util_format_description *plane_format_desc =
-            util_format_description(vk_format_to_pipe_format(format_plane->format));
+            vk_format_description(format_plane->format);
+         if (plane_format_desc->channel[pc].type == UTIL_FORMAT_TYPE_VOID)
+            continue;
          ycbcr_bpcs[ycbcr_component] = plane_format_desc->channel[pc].size;
       }
    }
diff --git a/src/vulkan/util/vk_format.h b/src/vulkan/util/vk_format.h
index 720c5c185d7..04b3adc0963 100644
--- a/src/vulkan/util/vk_format.h
+++ b/src/vulkan/util/vk_format.h
@@ -222,6 +222,22 @@ vk_format_get_blocksizebits(VkFormat format)
    return util_format_get_blocksizebits(vk_format_to_pipe_format(format));
 }
 
+static inline unsigned
+vk_format_get_bpc(VkFormat format)
+{
+   const struct util_format_description *desc =
+      vk_format_description(format);
+   unsigned bpc = 0;
+   for (unsigned i = 0; i < desc->nr_channels; i++) {
+      if (desc->channel[i].type == UTIL_FORMAT_TYPE_VOID)
+         continue;
+
+      assert(bpc == 0 || bpc == desc->channel[i].size);
+      bpc = desc->channel[i].size;
+   }
+   return bpc;
+}
+
 VkFormat
 vk_format_get_plane_format(VkFormat format, unsigned plane_id);
 
@@ -266,7 +282,7 @@ vk_format_get_plane_width(VkFormat format, unsigned plane, unsigned width)
    const struct vk_format_ycbcr_info *ycbcr_info =
       vk_format_get_ycbcr_info(format);
    const uint8_t width_scale = ycbcr_info ?
-         ycbcr_info->planes[plane].denominator_scales[0] : 1;
+      ycbcr_info->planes[plane].denominator_scales[0] : 1;
    return width / width_scale;
 }
 
@@ -276,7 +292,7 @@ vk_format_get_plane_height(VkFormat format, unsigned plane, unsigned height)
    const struct vk_format_ycbcr_info *ycbcr_info =
       vk_format_get_ycbcr_info(format);
    const uint8_t height_scale = ycbcr_info ?
-         ycbcr_info->planes[plane].denominator_scales[1] : 1;
+      ycbcr_info->planes[plane].denominator_scales[1] : 1;
    return height / height_scale;
 }