drm/amd/display: Remove read/write to external register

[why&how]
We need to remove the reference to these registers to
prevent any usage in the future.

Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Sung Joon Kim <sungkim@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

9 files changed, 0 insertions, 88 deletions

diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c
index dafa07671d00..928d61f9f858 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c
@@ -842,35 +842,6 @@ static void dcn35_set_low_power_state(struct clk_mgr *clk_mgr_base)
 	}
 }
 
-static void dcn35_set_ips_idle_state(struct clk_mgr *clk_mgr_base, bool allow_idle)
-{
-	struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base);
-	struct dc *dc = clk_mgr_base->ctx->dc;
-	uint32_t val = dcn35_smu_read_ips_scratch(clk_mgr);
-
-	if (dc->config.disable_ips == DMUB_IPS_ENABLE ||
-		dc->config.disable_ips == DMUB_IPS_DISABLE_DYNAMIC) {
-		val = val & ~DMUB_IPS1_ALLOW_MASK;
-		val = val & ~DMUB_IPS2_ALLOW_MASK;
-	} else if (dc->config.disable_ips == DMUB_IPS_DISABLE_IPS1) {
-		val |= DMUB_IPS1_ALLOW_MASK;
-		val |= DMUB_IPS2_ALLOW_MASK;
-	} else if (dc->config.disable_ips == DMUB_IPS_DISABLE_IPS2) {
-		val = val & ~DMUB_IPS1_ALLOW_MASK;
-		val |= DMUB_IPS2_ALLOW_MASK;
-	} else if (dc->config.disable_ips == DMUB_IPS_DISABLE_IPS2_Z10) {
-		val = val & ~DMUB_IPS1_ALLOW_MASK;
-		val = val & ~DMUB_IPS2_ALLOW_MASK;
-	}
-
-	if (!allow_idle) {
-		val |= DMUB_IPS1_ALLOW_MASK;
-		val |= DMUB_IPS2_ALLOW_MASK;
-	}
-
-	dcn35_smu_write_ips_scratch(clk_mgr, val);
-}
-
 static void dcn35_exit_low_power_state(struct clk_mgr *clk_mgr_base)
 {
 	struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base);
@@ -890,13 +861,6 @@ static bool dcn35_is_ips_supported(struct clk_mgr *clk_mgr_base)
 	return ips_supported;
 }
 
-static uint32_t dcn35_get_ips_idle_state(struct clk_mgr *clk_mgr_base)
-{
-	struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base);
-
-	return dcn35_smu_read_ips_scratch(clk_mgr);
-}
-
 static void dcn35_init_clocks_fpga(struct clk_mgr *clk_mgr)
 {
 	init_clk_states(clk_mgr);
@@ -984,8 +948,6 @@ static struct clk_mgr_funcs dcn35_funcs = {
 	.set_low_power_state = dcn35_set_low_power_state,
 	.exit_low_power_state = dcn35_exit_low_power_state,
 	.is_ips_supported = dcn35_is_ips_supported,
-	.set_idle_state = dcn35_set_ips_idle_state,
-	.get_idle_state = dcn35_get_ips_idle_state
 };
 
 struct clk_mgr_funcs dcn35_fpga_funcs = {
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_smu.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_smu.c
index 9e588c56c570..1399b41dfd1c 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_smu.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_smu.c
@@ -487,24 +487,3 @@ int dcn35_smu_get_ips_supported(struct clk_mgr_internal *clk_mgr)
 	//smu_print("%s: VBIOSSMC_MSG_QueryIPS2Support return = %x\n", __func__, retv);
 	return retv;
 }
-
-void dcn35_smu_write_ips_scratch(struct clk_mgr_internal *clk_mgr, uint32_t param)
-{
-	if (!clk_mgr->smu_present)
-		return;
-
-	REG_WRITE(MP1_SMN_C2PMSG_71, param);
-	//smu_print("%s: write_ips_scratch = %x\n", __func__, param);
-}
-
-uint32_t dcn35_smu_read_ips_scratch(struct clk_mgr_internal *clk_mgr)
-{
-	uint32_t retv;
-
-	if (!clk_mgr->smu_present)
-		return 0;
-
-	retv = REG_READ(MP1_SMN_C2PMSG_71);
-	//smu_print("%s: dcn35_smu_read_ips_scratch = %x\n",  __func__, retv);
-	return retv;
-}
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_smu.h b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_smu.h
index 2b8e6959a03d..06cd3cc6d36e 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_smu.h
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_smu.h
@@ -198,6 +198,4 @@ int dcn35_smu_exit_low_power_state(struct clk_mgr_internal *clk_mgr);
 int dcn35_smu_get_ips_supported(struct clk_mgr_internal *clk_mgr);
 int dcn35_smu_get_dtbclk(struct clk_mgr_internal *clk_mgr);
 int dcn35_smu_get_dprefclk(struct clk_mgr_internal *clk_mgr);
-void dcn35_smu_write_ips_scratch(struct clk_mgr_internal *clk_mgr, uint32_t param);
-uint32_t dcn35_smu_read_ips_scratch(struct clk_mgr_internal *clk_mgr);
 #endif /* DAL_DC_35_SMU_H_ */
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c
index 2fb90c2330a8..66b162fe4700 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c
@@ -1336,22 +1336,6 @@ void dcn35_optimize_bandwidth(
 	}
 }
 
-void dcn35_set_idle_state(const struct dc *dc, bool allow_idle)
-{
-	// TODO: Find a more suitable communcation
-	if (dc->clk_mgr->funcs->set_idle_state)
-		dc->clk_mgr->funcs->set_idle_state(dc->clk_mgr, allow_idle);
-}
-
-uint32_t dcn35_get_idle_state(const struct dc *dc)
-{
-	// TODO: Find a more suitable communcation
-	if (dc->clk_mgr->funcs->get_idle_state)
-		return dc->clk_mgr->funcs->get_idle_state(dc->clk_mgr);
-
-	return 0;
-}
-
 void dcn35_set_drr(struct pipe_ctx **pipe_ctx,
 		int num_pipes, struct dc_crtc_timing_adjust adjust)
 {
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.h b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.h
index 7c33bea3f4e7..68f714143431 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.h
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.h
@@ -84,9 +84,6 @@ void dcn35_dsc_pg_control(
 		unsigned int dsc_inst,
 		bool power_on);
 
-void dcn35_set_idle_state(const struct dc *dc, bool allow_idle);
-uint32_t dcn35_get_idle_state(const struct dc *dc);
-
 void dcn35_set_drr(struct pipe_ctx **pipe_ctx,
 		int num_pipes, struct dc_crtc_timing_adjust adjust);
 
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_init.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_init.c
index dce620d359a6..19b861349954 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_init.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_init.c
@@ -121,8 +121,6 @@ static const struct hw_sequencer_funcs dcn35_funcs = {
 	.hw_block_power_up = dcn35_hw_block_power_up,
 	.hw_block_power_down = dcn35_hw_block_power_down,
 	.root_clock_control = dcn35_root_clock_control,
-	.set_idle_state = dcn35_set_idle_state,
-	.get_idle_state = dcn35_get_idle_state,
 	.set_long_vtotal = dcn35_set_long_vblank,
 };
 
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn351/dcn351_init.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn351/dcn351_init.c
index 670255c9bc82..b5f4bae16177 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn351/dcn351_init.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn351/dcn351_init.c
@@ -120,8 +120,6 @@ static const struct hw_sequencer_funcs dcn351_funcs = {
 	.hw_block_power_up = dcn35_hw_block_power_up,
 	.hw_block_power_down = dcn35_hw_block_power_down,
 	.root_clock_control = dcn35_root_clock_control,
-	.set_idle_state = dcn35_set_idle_state,
-	.get_idle_state = dcn35_get_idle_state
 };
 
 static const struct hwseq_private_funcs dcn351_private_funcs = {
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/hw_sequencer.h b/drivers/gpu/drm/amd/display/dc/hwss/hw_sequencer.h
index 26ea86316e50..65df90842b83 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/hw_sequencer.h
+++ b/drivers/gpu/drm/amd/display/dc/hwss/hw_sequencer.h
@@ -424,8 +424,6 @@ struct hw_sequencer_funcs {
 		struct pg_block_update *update_state);
 	void (*root_clock_control)(struct dc *dc,
 		struct pg_block_update *update_state, bool power_on);
-	void (*set_idle_state)(const struct dc *dc, bool allow_idle);
-	uint32_t (*get_idle_state)(const struct dc *dc);
 	bool (*is_pipe_topology_transition_seamless)(struct dc *dc,
 			const struct dc_state *cur_ctx,
 			const struct dc_state *new_ctx);
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/clk_mgr.h b/drivers/gpu/drm/amd/display/dc/inc/hw/clk_mgr.h
index 17e014d3bdc8..4f7480f60c85 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/hw/clk_mgr.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/hw/clk_mgr.h
@@ -281,8 +281,6 @@ struct clk_mgr_funcs {
 	void (*set_low_power_state)(struct clk_mgr *clk_mgr);
 	void (*exit_low_power_state)(struct clk_mgr *clk_mgr);
 	bool (*is_ips_supported)(struct clk_mgr *clk_mgr);
-	void (*set_idle_state)(struct clk_mgr *clk_mgr, bool allow_idle);
-	uint32_t (*get_idle_state)(struct clk_mgr *clk_mgr);
 
 	void (*init_clocks)(struct clk_mgr *clk_mgr);