[Mesa-dev] [2.2/22] intel/isl: Add i915 to isl_tiling converter

[Topi Pohjolainen]

Suggested-by: Daniel Stone <daniels at collabora.com>
Signed-off-by: Topi Pohjolainen <topi.pohjolainen at intel.com>
---
 src/intel/isl/isl.h     |  3 +++
 src/intel/isl/isl_drm.c | 17 +++++++++++++++++
 2 files changed, 20 insertions(+)

diff --git a/src/intel/isl/isl.h b/src/intel/isl/isl.h
index d81df31a37..af46b6bf29 100644
--- a/src/intel/isl/isl.h
+++ b/src/intel/isl/isl.h
@@ -1516,6 +1516,9 @@ isl_tiling_is_std_y(enum isl_tiling tiling)
 uint32_t
 isl_tiling_to_i915_tiling(enum isl_tiling tiling);
 
+enum isl_tiling 
+i915_tiling_to_isl_tiling(uint32_t tiling);
+
 const struct isl_drm_modifier_info * ATTRIBUTE_CONST
 isl_drm_modifier_get_info(uint64_t modifier);
 
diff --git a/src/intel/isl/isl_drm.c b/src/intel/isl/isl_drm.c
index b7a4997d2d..b8f8e1214e 100644
--- a/src/intel/isl/isl_drm.c
+++ b/src/intel/isl/isl_drm.c
@@ -54,6 +54,23 @@ isl_tiling_to_i915_tiling(enum isl_tiling tiling)
    unreachable("Invalid ISL tiling");
 }
 
+enum isl_tiling
+i915_tiling_to_isl_tiling(uint32_t tiling)
+{
+   switch (tiling) {
+   case I915_TILING_NONE:
+      return ISL_TILING_LINEAR;
+
+   case I915_TILING_X:
+      return ISL_TILING_X;
+
+   case I915_TILING_Y:
+      return ISL_TILING_Y0;
+   }
+
+   unreachable("Invalid i915 tiling");
+}
+
 struct isl_drm_modifier_info modifier_info[] = {
    {
       .modifier = DRM_FORMAT_MOD_NONE,
-- 
2.11.0