[PATCH 01/11] drm/amd/display: Don't reserve pipe for underlay on ASIC without underlay

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Change-Id: I961ed1bf9cb255cddf05b24c9915c830df492f89
Signed-off-by: Harry Wentland <harry.wentland at amd.com>
Acked-by: Jordan Lazare <Jordan.Lazare at amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng at amd.com>
---
 drivers/gpu/drm/amd/display/dc/core/dc.c                | 2 +-
 drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c | 4 ++--
 drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.c | 2 +-
 drivers/gpu/drm/amd/display/dc/dce80/dce80_resource.c   | 2 +-
 drivers/gpu/drm/amd/display/dc/inc/core_types.h         | 2 ++
 5 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index f9b7fc85d71a..270f8c5cfeda 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -621,7 +621,7 @@ struct dc *dc_create(const struct dc_init_data *init_params)
 	core_dc->hwss.init_hw(core_dc);
 
 	full_pipe_count = core_dc->res_pool->pipe_count;
-	if (core_dc->res_pool->underlay_pipe_index >= 0)
+	if (core_dc->res_pool->underlay_pipe_index != NO_UNDERLAY_PIPE)
 		full_pipe_count--;
 	core_dc->public.caps.max_streams = min(
 			full_pipe_count,
diff --git a/drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c b/drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c
index ae0e7eac2c9d..dc4f270ae44a 100644
--- a/drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c
@@ -934,7 +934,7 @@ static bool construct(
 
 	pool->base.res_cap = &res_cap;
 	pool->base.funcs = &dce100_res_pool_funcs;
-	pool->base.underlay_pipe_index = -1;
+	pool->base.underlay_pipe_index = NO_UNDERLAY_PIPE;
 
 	bp = ctx->dc_bios;
 
@@ -1004,7 +1004,7 @@ static bool construct(
 	/*************************************************
 	*  Resource + asic cap harcoding                *
 	*************************************************/
-	pool->base.underlay_pipe_index = -1;
+	pool->base.underlay_pipe_index = NO_UNDERLAY_PIPE;
 	pool->base.pipe_count = res_cap.num_timing_generator;
 	dc->public.caps.max_downscale_ratio = 200;
 	dc->public.caps.i2c_speed_in_khz = 40;
diff --git a/drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.c b/drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.c
index 64fae91dd5eb..fa8699d3b9ef 100644
--- a/drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.c
@@ -1243,7 +1243,7 @@ static bool construct(
 	/*************************************************
 	 *  Resource + asic cap harcoding                *
 	 *************************************************/
-	pool->base.underlay_pipe_index = -1;
+	pool->base.underlay_pipe_index = NO_UNDERLAY_PIPE;
 	pool->base.pipe_count = pool->base.res_cap->num_timing_generator;
 	dc->public.caps.max_downscale_ratio = 200;
 	dc->public.caps.i2c_speed_in_khz = 100;
diff --git a/drivers/gpu/drm/amd/display/dc/dce80/dce80_resource.c b/drivers/gpu/drm/amd/display/dc/dce80/dce80_resource.c
index bee3a41ffe9f..fea60aa5d297 100644
--- a/drivers/gpu/drm/amd/display/dc/dce80/dce80_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dce80/dce80_resource.c
@@ -931,7 +931,7 @@ static bool construct(
 	/*************************************************
 	 *  Resource + asic cap harcoding                *
 	 *************************************************/
-	pool->base.underlay_pipe_index = -1;
+	pool->base.underlay_pipe_index = NO_UNDERLAY_PIPE;
 	pool->base.pipe_count = res_cap.num_timing_generator;
 	dc->public.caps.max_downscale_ratio = 200;
 	dc->public.caps.i2c_speed_in_khz = 40;
diff --git a/drivers/gpu/drm/amd/display/dc/inc/core_types.h b/drivers/gpu/drm/amd/display/dc/inc/core_types.h
index 66bfcdb57c4c..b349b5768b6e 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/core_types.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/core_types.h
@@ -230,6 +230,8 @@ struct audio_support{
 	bool hdmi_audio_native;
 };
 
+#define NO_UNDERLAY_PIPE -1
+
 struct resource_pool {
 	struct mem_input *mis[MAX_PIPES];
 	struct input_pixel_processor *ipps[MAX_PIPES];
-- 
2.9.3



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