From: Dave Airlie <airlied@redhat.com>
Date: Tue, 3 Oct 2017 15:11:00 +1000
Subject: amdgpu/dc: kill some deadcode in dc core.
Git-commit: c6fa531809f08af52406347e5351920cc2d55e42
Patch-mainline: v4.15-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166

Moves one function to an inline, but kills a bunch of deadcode.

Signed-off-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
 drivers/gpu/drm/amd/display/dc/core/dc.c |   91 -------------------------------
 drivers/gpu/drm/amd/display/dc/dc.h      |    9 +--
 2 files changed, 4 insertions(+), 96 deletions(-)

--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -575,30 +575,6 @@ fail:
 	return false;
 }
 
-/*
-void ProgramPixelDurationV(unsigned int pixelClockInKHz )
-{
-	fixed31_32 pixel_duration = Fixed31_32(100000000, pixelClockInKHz) * 10;
-	unsigned int pixDurationInPico = round(pixel_duration);
-
-	DPG_PIPE_ARBITRATION_CONTROL1 arb_control;
-
-	arb_control.u32All = ReadReg (mmDPGV0_PIPE_ARBITRATION_CONTROL1);
-	arb_control.bits.PIXEL_DURATION = pixDurationInPico;
-	WriteReg (mmDPGV0_PIPE_ARBITRATION_CONTROL1, arb_control.u32All);
-
-	arb_control.u32All = ReadReg (mmDPGV1_PIPE_ARBITRATION_CONTROL1);
-	arb_control.bits.PIXEL_DURATION = pixDurationInPico;
-	WriteReg (mmDPGV1_PIPE_ARBITRATION_CONTROL1, arb_control.u32All);
-
-	WriteReg (mmDPGV0_PIPE_ARBITRATION_CONTROL2, 0x4000800);
-	WriteReg (mmDPGV0_REPEATER_PROGRAM, 0x11);
-
-	WriteReg (mmDPGV1_PIPE_ARBITRATION_CONTROL2, 0x4000800);
-	WriteReg (mmDPGV1_REPEATER_PROGRAM, 0x11);
-}
-*/
-
 /*******************************************************************************
  * Public functions
  ******************************************************************************/
@@ -1518,28 +1494,6 @@ struct dc_stream_state *dc_get_stream_at
 	return NULL;
 }
 
-struct dc_link *dc_get_link_at_index(struct dc *dc, uint32_t link_index)
-{
-	return dc->links[link_index];
-}
-
-const struct graphics_object_id dc_get_link_id_at_index(
-	struct dc *dc, uint32_t link_index)
-{
-	return dc->links[link_index]->link_id;
-}
-
-enum dc_irq_source dc_get_hpd_irq_source_at_index(
-	struct dc *dc, uint32_t link_index)
-{
-	return dc->links[link_index]->irq_source_hpd;
-}
-
-const struct audio **dc_get_audios(struct dc *dc)
-{
-	return (const struct audio **)dc->res_pool->audios;
-}
-
 enum dc_irq_source dc_interrupt_to_irq_source(
 		struct dc *dc,
 		uint32_t src_id,
@@ -1789,17 +1743,6 @@ fail_add_sink:
 	return NULL;
 }
 
-void dc_link_set_sink(struct dc_link *link, struct dc_sink *sink)
-{
-	link->local_sink = sink;
-
-	if (sink == NULL) {
-		link->type = dc_connection_none;
-	} else {
-		link->type = dc_connection_single;
-	}
-}
-
 void dc_link_remove_remote_sink(struct dc_link *link, struct dc_sink *sink)
 {
 	int i;
@@ -1825,37 +1768,3 @@ void dc_link_remove_remote_sink(struct d
 		}
 	}
 }
-
-bool dc_init_dchub(struct dc *dc, struct dchub_init_data *dh_data)
-{
-	int i;
-	struct mem_input *mi = NULL;
-
-	for (i = 0; i < dc->res_pool->pipe_count; i++) {
-		if (dc->res_pool->mis[i] != NULL) {
-			mi = dc->res_pool->mis[i];
-			break;
-		}
-	}
-	if (mi == NULL) {
-		dm_error("no mem_input!\n");
-		return false;
-	}
-
-	if (dc->hwss.update_dchub)
-		dc->hwss.update_dchub(dc->hwseq, dh_data);
-	else
-		ASSERT(dc->hwss.update_dchub);
-
-
-	return true;
-
-}
-
-void dc_log_hw_state(struct dc *dc)
-{
-
-	if (dc->hwss.log_hw_state)
-		dc->hwss.log_hw_state(dc);
-}
-
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -277,10 +277,6 @@ struct dc *dc_create(const struct dc_ini
 
 void dc_destroy(struct dc **dc);
 
-bool dc_init_dchub(struct dc *dc, struct dchub_init_data *dh_data);
-
-void dc_log_hw_state(struct dc *dc);
-
 /*******************************************************************************
  * Surface Interfaces
  ******************************************************************************/
@@ -866,7 +862,10 @@ const struct dc_link_status *dc_link_get
  * boot time.  They cannot be created or destroyed.
  * Use dc_get_caps() to get number of links.
  */
-struct dc_link *dc_get_link_at_index(struct dc *dc, uint32_t link_index);
+static inline struct dc_link *dc_get_link_at_index(struct dc *dc, uint32_t link_index)
+{
+	return dc->links[link_index];
+}
 
 /* Set backlight level of an embedded panel (eDP, LVDS). */
 bool dc_link_set_backlight_level(const struct dc_link *dc_link, uint32_t level,