Adding upstream version 6.8.9.upstream/6.8.9

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 29 insertions, 0 deletions

diff --git a/drivers/gpu/drm/i915/display/intel_dsb_buffer.h b/drivers/gpu/drm/i915/display/intel_dsb_buffer.h
new file mode 100644
index 0000000000..425acd3939
--- /dev/null
+++ b/drivers/gpu/drm/i915/display/intel_dsb_buffer.h
@@ -0,0 +1,29 @@
+/* SPDX-License-Identifier: MIT
+ *
+ * Copyright © 2023 Intel Corporation
+ */
+
+#ifndef _INTEL_DSB_BUFFER_H
+#define _INTEL_DSB_BUFFER_H
+
+#include <linux/types.h>
+
+struct intel_crtc;
+struct i915_vma;
+
+struct intel_dsb_buffer {
+	u32 *cmd_buf;
+	struct i915_vma *vma;
+	size_t buf_size;
+};
+
+u32 intel_dsb_buffer_ggtt_offset(struct intel_dsb_buffer *dsb_buf);
+void intel_dsb_buffer_write(struct intel_dsb_buffer *dsb_buf, u32 idx, u32 val);
+u32 intel_dsb_buffer_read(struct intel_dsb_buffer *dsb_buf, u32 idx);
+void intel_dsb_buffer_memset(struct intel_dsb_buffer *dsb_buf, u32 idx, u32 val, size_t size);
+bool intel_dsb_buffer_create(struct intel_crtc *crtc, struct intel_dsb_buffer *dsb_buf,
+			     size_t size);
+void intel_dsb_buffer_cleanup(struct intel_dsb_buffer *dsb_buf);
+void intel_dsb_buffer_flush_map(struct intel_dsb_buffer *dsb_buf);
+
+#endif