drm/amd/display: add cyan_skillfish display support

[Why]
add display related cyan_skillfish files in.

makefile controlled by CONFIG_DRM_AMD_DC_DCN201 flag.

v2: squash in clang fixes from Harry, Nathan
v3: squash in missing CONFIG_DRM_AMD_DC check (Alex)

Signed-off-by: Charlene Liu <charlene.liu@amd.com>
Signed-off-by: Zhan Liu <zhan.liu@amd.com>
Reviewed-by: Charlene Liu <charlene.liu@amd.com>
Acked-by: Jun Lei <jun.lei@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 107 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_hubbub.c b/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_hubbub.c
new file mode 100644
index 000000000000..037d265431c6
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_hubbub.c
@@ -0,0 +1,107 @@
+/*
+* Copyright 2018 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
+ *
+ */
+#include "dm_services.h"
+#include "dcn20/dcn20_hubbub.h"
+#include "dcn201_hubbub.h"
+#include "reg_helper.h"
+
+#define REG(reg)\
+	hubbub1->regs->reg
+
+#define DC_LOGGER \
+	hubbub1->base.ctx->logger
+
+#define CTX \
+	hubbub1->base.ctx
+
+#undef FN
+#define FN(reg_name, field_name) \
+	hubbub1->shifts->field_name, hubbub1->masks->field_name
+
+#define REG(reg)\
+	hubbub1->regs->reg
+
+#define CTX \
+	hubbub1->base.ctx
+
+#undef FN
+#define FN(reg_name, field_name) \
+	hubbub1->shifts->field_name, hubbub1->masks->field_name
+
+static bool hubbub201_program_watermarks(
+		struct hubbub *hubbub,
+		struct dcn_watermark_set *watermarks,
+		unsigned int refclk_mhz,
+		bool safe_to_lower)
+{
+	struct dcn20_hubbub *hubbub1 = TO_DCN20_HUBBUB(hubbub);
+	bool wm_pending = false;
+
+	if (hubbub1_program_urgent_watermarks(hubbub, watermarks, refclk_mhz, safe_to_lower))
+		wm_pending = true;
+
+	if (hubbub1_program_pstate_watermarks(hubbub, watermarks, refclk_mhz, safe_to_lower))
+		wm_pending = true;
+
+	REG_SET(DCHUBBUB_ARB_SAT_LEVEL, 0,
+			DCHUBBUB_ARB_SAT_LEVEL, 60 * refclk_mhz);
+	REG_UPDATE(DCHUBBUB_ARB_DF_REQ_OUTSTAND,
+			DCHUBBUB_ARB_MIN_REQ_OUTSTAND, 68);
+
+	hubbub1_allow_self_refresh_control(hubbub, !hubbub->ctx->dc->debug.disable_stutter);
+
+	return wm_pending;
+}
+
+static const struct hubbub_funcs hubbub201_funcs = {
+	.update_dchub = hubbub2_update_dchub,
+	.init_dchub_sys_ctx = NULL,
+	.init_vm_ctx = NULL,
+	.dcc_support_swizzle = hubbub2_dcc_support_swizzle,
+	.dcc_support_pixel_format = hubbub2_dcc_support_pixel_format,
+	.get_dcc_compression_cap = hubbub2_get_dcc_compression_cap,
+	.wm_read_state = hubbub2_wm_read_state,
+	.get_dchub_ref_freq = hubbub2_get_dchub_ref_freq,
+	.program_watermarks = hubbub201_program_watermarks,
+	.hubbub_read_state = hubbub2_read_state,
+};
+
+void hubbub201_construct(struct dcn20_hubbub *hubbub,
+	struct dc_context *ctx,
+	const struct dcn_hubbub_registers *hubbub_regs,
+	const struct dcn_hubbub_shift *hubbub_shift,
+	const struct dcn_hubbub_mask *hubbub_mask)
+{
+	hubbub->base.ctx = ctx;
+
+	hubbub->base.funcs = &hubbub201_funcs;
+
+	hubbub->regs = hubbub_regs;
+	hubbub->shifts = hubbub_shift;
+	hubbub->masks = hubbub_mask;
+
+	hubbub->debug_test_index_pstate = 0xB;
+	hubbub->detile_buf_size = 164 * 1024;
+}