[PATCH] drm/i915/mtl: X-Tile support changes to client blits

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Refactor the supports_x_tiling and fast_blit_ok helper
functions in the live client selftest to better reflect
when XY_FAST_COPY_BLT supports X-tile and can be used.

Signed-off-by: Jonathan Cavitt <jonathan.cavitt@xxxxxxxxx>
---
 .../i915/gem/selftests/i915_gem_client_blt.c  | 19 +++++++++----------
 1 file changed, 9 insertions(+), 10 deletions(-)

diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_client_blt.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_client_blt.c
index 3bb1f7f0110e..ff81af4c8202 100644
--- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_client_blt.c
+++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_client_blt.c
@@ -108,31 +108,30 @@ struct tiled_blits {
 	u32 height;
 };
 
-static bool supports_x_tiling(const struct drm_i915_private *i915)
+static bool fastblit_supports_x_tiling(const struct drm_i915_private *i915)
 {
 	int gen = GRAPHICS_VER(i915);
 
+	/* XY_FAST_COPY_BLT does not exist on pre-gen9 platforms */
+	drm_WARN_ON(&i915->drm, gen < 9);
+
 	if (gen < 12)
 		return true;
 
-	if (!HAS_LMEM(i915) || IS_DG1(i915))
+	if (GRAPHICS_VER_FULL(i915) < IP_VER(12, 50))
 		return false;
 
-	return true;
+	return HAS_DISPLAY(i915);
 }
 
 static bool fast_blit_ok(const struct blit_buffer *buf)
 {
-	int gen = GRAPHICS_VER(buf->vma->vm->i915);
-
-	if (gen < 9)
+	/* XY_FAST_COPY_BLT does not exist on pre-gen9 platforms */
+	if (GRAPHICS_VER(buf->vma->vm->i915) < 9)
 		return false;
 
-	if (gen < 12)
-		return true;
-
 	/* filter out platforms with unsupported X-tile support in fastblit */
-	if (buf->tiling == CLIENT_TILING_X && !supports_x_tiling(buf->vma->vm->i915))
+	if (buf->tiling == CLIENT_TILING_X && !fastblit_supports_x_tiling(buf->vma->vm->i915))
 		return false;
 
 	return true;
-- 
2.25.1




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