[PATCH i-g-t v4 09/11] lib/intel_blt: Add render tilings and compression support helper

[Zbigniew Kempczyński]

Add function which is similar to already existing blt supports_tiling()
but returns tiling/compression capabilities of render engine.

Signed-off-by: Zbigniew Kempczyński <zbigniew.kempczynski at intel.com>
Reviewed-by: Karolina Stolarek <karolina.stolarek at intel.com>
---
 lib/intel_blt.c | 29 +++++++++++++++++++++++++++++
 lib/intel_blt.h |  1 +
 2 files changed, 30 insertions(+)

diff --git a/lib/intel_blt.c b/lib/intel_blt.c
index 946adc538b..a8433387d2 100644
--- a/lib/intel_blt.c
+++ b/lib/intel_blt.c
@@ -495,6 +495,35 @@ bool blt_uses_extended_block_copy(int fd)
 	return blt_cmd_has_property(cmds_info, XY_BLOCK_COPY, BLT_CMD_EXTENDED);
 }
 
+/**
+ * render_supports_tiling
+ * @fd: drm fd
+ * @tiling: tiling format
+ * @compression: check tiling which will be compressed
+ *
+ * Check if render provided by @fd device supports @tiling format wrt
+ * @compression
+ *
+ * Returns:
+ * true if it does, false otherwise.
+ */
+bool render_supports_tiling(int fd, enum blt_tiling_type tiling, bool compression)
+{
+	const struct intel_cmds_info *cmds_info = GET_CMDS_INFO(fd);
+
+	igt_assert(cmds_info);
+
+	if (!cmds_info->render_tilings) {
+		igt_warn("Render tilings are not defined\n");
+		return false;
+	}
+
+	if (!compression)
+		return cmds_info->render_tilings->supported_tiling & BIT(tiling);
+
+	return cmds_info->render_tilings->supported_compressed_tiling & BIT(tiling);
+}
+
 /**
  * blt_tiling_name:
  * @tiling: tiling id
diff --git a/lib/intel_blt.h b/lib/intel_blt.h
index 6daf46aea4..edf75c0887 100644
--- a/lib/intel_blt.h
+++ b/lib/intel_blt.h
@@ -211,6 +211,7 @@ bool blt_xy_src_copy_supports_tiling(int fd, enum blt_tiling_type tiling);
 bool blt_block_copy_supports_compression(int fd);
 bool blt_platform_has_flat_ccs_enabled(int fd);
 bool blt_uses_extended_block_copy(int fd);
+bool render_supports_tiling(int fd, enum blt_tiling_type tiling, bool compression);
 
 const char *blt_tiling_name(enum blt_tiling_type tiling);
 int blt_tile_to_i915_tile(enum blt_tiling_type tiling);
-- 
2.34.1