1 files changed, 193 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_surface.c b/drivers/gpu/drm/amd/display/dc/core/dc_surface.c
new file mode 100644
index 000000000000..ade5b8ee9c3c
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_surface.c
@@ -0,0 +1,193 @@
+/*
+ * Copyright 2015 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+/* DC interface (public) */
+#include "dm_services.h"
+#include "dc.h"
+
+/* DC core (private) */
+#include "core_types.h"
+#include "transform.h"
+#include "dpp.h"
+
+/*******************************************************************************
+ * Private functions
+ ******************************************************************************/
+static void construct(struct dc_context *ctx, struct dc_plane_state *plane_state)
+{
+	plane_state->ctx = ctx;
+}
+
+static void destruct(struct dc_plane_state *plane_state)
+{
+	if (plane_state->gamma_correction != NULL) {
+		dc_gamma_release(&plane_state->gamma_correction);
+	}
+	if (plane_state->in_transfer_func != NULL) {
+		dc_transfer_func_release(
+				plane_state->in_transfer_func);
+		plane_state->in_transfer_func = NULL;
+	}
+}
+
+/*******************************************************************************
+ * Public functions
+ ******************************************************************************/
+void enable_surface_flip_reporting(struct dc_plane_state *plane_state,
+		uint32_t controller_id)
+{
+	plane_state->irq_source = controller_id + DC_IRQ_SOURCE_PFLIP1 - 1;
+	/*register_flip_interrupt(surface);*/
+}
+
+struct dc_plane_state *dc_create_plane_state(struct dc *dc)
+{
+	struct dc *core_dc = dc;
+
+	struct dc_plane_state *plane_state = kzalloc(sizeof(*plane_state),
+						     GFP_KERNEL);
+
+	if (NULL == plane_state)
+		return NULL;
+
+	kref_init(&plane_state->refcount);
+	construct(core_dc->ctx, plane_state);
+
+	return plane_state;
+}
+
+const struct dc_plane_status *dc_plane_get_status(
+		const struct dc_plane_state *plane_state)
+{
+	const struct dc_plane_status *plane_status;
+	struct dc  *core_dc;
+	int i;
+
+	if (!plane_state ||
+		!plane_state->ctx ||
+		!plane_state->ctx->dc) {
+		ASSERT(0);
+		return NULL; /* remove this if above assert never hit */
+	}
+
+	plane_status = &plane_state->status;
+	core_dc = plane_state->ctx->dc;
+
+	if (core_dc->current_state == NULL)
+		return NULL;
+
+	for (i = 0; i < core_dc->res_pool->pipe_count; i++) {
+		struct pipe_ctx *pipe_ctx =
+				&core_dc->current_state->res_ctx.pipe_ctx[i];
+
+		if (pipe_ctx->plane_state != plane_state)
+			continue;
+
+		core_dc->hwss.update_pending_status(pipe_ctx);
+	}
+
+	return plane_status;
+}
+
+void dc_plane_state_retain(struct dc_plane_state *plane_state)
+{
+	kref_get(&plane_state->refcount);
+}
+
+static void dc_plane_state_free(struct kref *kref)
+{
+	struct dc_plane_state *plane_state = container_of(kref, struct dc_plane_state, refcount);
+	destruct(plane_state);
+	kfree(plane_state);
+}
+
+void dc_plane_state_release(struct dc_plane_state *plane_state)
+{
+	kref_put(&plane_state->refcount, dc_plane_state_free);
+}
+
+void dc_gamma_retain(struct dc_gamma *gamma)
+{
+	kref_get(&gamma->refcount);
+}
+
+static void dc_gamma_free(struct kref *kref)
+{
+	struct dc_gamma *gamma = container_of(kref, struct dc_gamma, refcount);
+	kfree(gamma);
+}
+
+void dc_gamma_release(struct dc_gamma **gamma)
+{
+	kref_put(&(*gamma)->refcount, dc_gamma_free);
+	*gamma = NULL;
+}
+
+struct dc_gamma *dc_create_gamma(void)
+{
+	struct dc_gamma *gamma = kzalloc(sizeof(*gamma), GFP_KERNEL);
+
+	if (gamma == NULL)
+		goto alloc_fail;
+
+	kref_init(&gamma->refcount);
+	return gamma;
+
+alloc_fail:
+	return NULL;
+}
+
+void dc_transfer_func_retain(struct dc_transfer_func *tf)
+{
+	kref_get(&tf->refcount);
+}
+
+static void dc_transfer_func_free(struct kref *kref)
+{
+	struct dc_transfer_func *tf = container_of(kref, struct dc_transfer_func, refcount);
+	kfree(tf);
+}
+
+void dc_transfer_func_release(struct dc_transfer_func *tf)
+{
+	kref_put(&tf->refcount, dc_transfer_func_free);
+}
+
+struct dc_transfer_func *dc_create_transfer_func(void)
+{
+	struct dc_transfer_func *tf = kzalloc(sizeof(*tf), GFP_KERNEL);
+
+	if (tf == NULL)
+		goto alloc_fail;
+
+	kref_init(&tf->refcount);
+
+	return tf;
+
+alloc_fail:
+	return NULL;
+}
+
+