From: "Dr. David Alan Gilbert" <linux@treblig.org>

mmhubbub_warmup is a field that was only read by the just removed
dc_stream_warmup_writeback() function.

Remove the field and it's initialisers.

It was only ever initialised to a single function value
(dcn30_mmhubbub_warmup) which is called explicitly elsewhere.

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
---
 drivers/gpu/drm/amd/display/dc/hwss/dcn30/dcn30_init.c   | 1 -
 drivers/gpu/drm/amd/display/dc/hwss/dcn301/dcn301_init.c | 1 -
 drivers/gpu/drm/amd/display/dc/hwss/dcn31/dcn31_init.c   | 1 -
 drivers/gpu/drm/amd/display/dc/hwss/dcn314/dcn314_init.c | 1 -
 drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_init.c   | 1 -
 drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_init.c   | 1 -
 drivers/gpu/drm/amd/display/dc/hwss/dcn351/dcn351_init.c | 1 -
 drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_init.c | 1 -
 drivers/gpu/drm/amd/display/dc/hwss/hw_sequencer.h       | 4 ----
 9 files changed, 12 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn30/dcn30_init.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn30/dcn30_init.c
index 2a8dc40d2847..41c30478439a 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn30/dcn30_init.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn30/dcn30_init.c
@@ -86,7 +86,6 @@ static const struct hw_sequencer_funcs dcn30_funcs = {
 	.enable_writeback = dcn30_enable_writeback,
 	.disable_writeback = dcn30_disable_writeback,
 	.update_writeback = dcn30_update_writeback,
-	.mmhubbub_warmup = dcn30_mmhubbub_warmup,
 	.dmdata_status_done = dcn20_dmdata_status_done,
 	.program_dmdata_engine = dcn30_program_dmdata_engine,
 	.set_dmdata_attributes = dcn20_set_dmdata_attributes,
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn301/dcn301_init.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn301/dcn301_init.c
index 93e49d87a67c..99870fbbb424 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn301/dcn301_init.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn301/dcn301_init.c
@@ -86,7 +86,6 @@ static const struct hw_sequencer_funcs dcn301_funcs = {
 	.enable_writeback = dcn30_enable_writeback,
 	.disable_writeback = dcn30_disable_writeback,
 	.update_writeback = dcn30_update_writeback,
-	.mmhubbub_warmup = dcn30_mmhubbub_warmup,
 	.dmdata_status_done = dcn20_dmdata_status_done,
 	.program_dmdata_engine = dcn30_program_dmdata_engine,
 	.set_dmdata_attributes = dcn20_set_dmdata_attributes,
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn31/dcn31_init.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn31/dcn31_init.c
index 56f3c70d4b55..fb2ffb637931 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn31/dcn31_init.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn31/dcn31_init.c
@@ -89,7 +89,6 @@ static const struct hw_sequencer_funcs dcn31_funcs = {
 	.enable_writeback = dcn30_enable_writeback,
 	.disable_writeback = dcn30_disable_writeback,
 	.update_writeback = dcn30_update_writeback,
-	.mmhubbub_warmup = dcn30_mmhubbub_warmup,
 	.dmdata_status_done = dcn20_dmdata_status_done,
 	.program_dmdata_engine = dcn30_program_dmdata_engine,
 	.set_dmdata_attributes = dcn20_set_dmdata_attributes,
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn314/dcn314_init.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn314/dcn314_init.c
index 68e6de6b5758..21ef03a76229 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn314/dcn314_init.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn314/dcn314_init.c
@@ -91,7 +91,6 @@ static const struct hw_sequencer_funcs dcn314_funcs = {
 	.enable_writeback = dcn30_enable_writeback,
 	.disable_writeback = dcn30_disable_writeback,
 	.update_writeback = dcn30_update_writeback,
-	.mmhubbub_warmup = dcn30_mmhubbub_warmup,
 	.dmdata_status_done = dcn20_dmdata_status_done,
 	.program_dmdata_engine = dcn30_program_dmdata_engine,
 	.set_dmdata_attributes = dcn20_set_dmdata_attributes,
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_init.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_init.c
index 3422b564ae98..bcaaf98cade7 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_init.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_init.c
@@ -87,7 +87,6 @@ static const struct hw_sequencer_funcs dcn32_funcs = {
 	.enable_writeback = dcn30_enable_writeback,
 	.disable_writeback = dcn30_disable_writeback,
 	.update_writeback = dcn30_update_writeback,
-	.mmhubbub_warmup = dcn30_mmhubbub_warmup,
 	.dmdata_status_done = dcn20_dmdata_status_done,
 	.program_dmdata_engine = dcn30_program_dmdata_engine,
 	.set_dmdata_attributes = dcn20_set_dmdata_attributes,
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 2bbf1fef94fd..ab20c47e6d6e 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
@@ -92,7 +92,6 @@ static const struct hw_sequencer_funcs dcn35_funcs = {
 	.enable_writeback = dcn30_enable_writeback,
 	.disable_writeback = dcn30_disable_writeback,
 	.update_writeback = dcn30_update_writeback,
-	.mmhubbub_warmup = dcn30_mmhubbub_warmup,
 	.dmdata_status_done = dcn20_dmdata_status_done,
 	.program_dmdata_engine = dcn30_program_dmdata_engine,
 	.set_dmdata_attributes = dcn20_set_dmdata_attributes,
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 d00822e8daa5..ba7ff8f97d49 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
@@ -91,7 +91,6 @@ static const struct hw_sequencer_funcs dcn351_funcs = {
 	.enable_writeback = dcn30_enable_writeback,
 	.disable_writeback = dcn30_disable_writeback,
 	.update_writeback = dcn30_update_writeback,
-	.mmhubbub_warmup = dcn30_mmhubbub_warmup,
 	.dmdata_status_done = dcn20_dmdata_status_done,
 	.program_dmdata_engine = dcn30_program_dmdata_engine,
 	.set_dmdata_attributes = dcn20_set_dmdata_attributes,
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_init.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_init.c
index a2ca07235c83..d6dabcb8f4fe 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_init.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_init.c
@@ -66,7 +66,6 @@ static const struct hw_sequencer_funcs dcn401_funcs = {
 	.enable_writeback = dcn30_enable_writeback,
 	.disable_writeback = dcn30_disable_writeback,
 	.update_writeback = dcn30_update_writeback,
-	.mmhubbub_warmup = dcn30_mmhubbub_warmup,
 	.dmdata_status_done = dcn20_dmdata_status_done,
 	.program_dmdata_engine = dcn30_program_dmdata_engine,
 	.set_dmdata_attributes = dcn20_set_dmdata_attributes,
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 ac9205625623..5d1a83769136 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/hw_sequencer.h
+++ b/drivers/gpu/drm/amd/display/dc/hwss/hw_sequencer.h
@@ -331,10 +331,6 @@ struct hw_sequencer_funcs {
 	void (*disable_writeback)(struct dc *dc,
 			unsigned int dwb_pipe_inst);
 
-	bool (*mmhubbub_warmup)(struct dc *dc,
-			unsigned int num_dwb,
-			struct dc_writeback_info *wb_info);
-
 	/* Clock Related */
 	enum dc_status (*set_clock)(struct dc *dc,
 			enum dc_clock_type clock_type,
-- 
2.47.0