[PATCH 01/11] drm/amd/display: Extend dc_plane_get_status with flags

[Tom Chung]

From: Tomasz Siemek <Tomasz.Siemek at amd.com>

[WHY]
dc_plane_get_status may be used for reading other plane properties
in the future.

[HOW]
Provide API for choosing plane properties to read.

Reviewed-by: Charlene Liu <charlene.liu at amd.com>
Reviewed-by: Aric Cyr <aric.cyr at amd.com>
Reviewed-by: Swapnil Patel <swapnil.patel at amd.com>
Signed-off-by: Tomasz Siemek <Tomasz.Siemek at amd.com>
Signed-off-by: Tom Chung <chiahsuan.chung at amd.com>
---
 drivers/gpu/drm/amd/display/dc/core/dc_surface.c |  8 +++++---
 drivers/gpu/drm/amd/display/dc/dc_plane.h        | 10 +++++++++-
 2 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_surface.c b/drivers/gpu/drm/amd/display/dc/core/dc_surface.c
index e98500665af3..922f23557f5d 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_surface.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_surface.c
@@ -109,7 +109,8 @@ struct dc_plane_state *dc_create_plane_state(const struct dc *dc)
  *****************************************************************************
  */
 const struct dc_plane_status *dc_plane_get_status(
-		const struct dc_plane_state *plane_state)
+		const struct dc_plane_state *plane_state,
+		union dc_plane_status_update_flags flags)
 {
 	const struct dc_plane_status *plane_status;
 	struct dc  *dc;
@@ -136,7 +137,7 @@ const struct dc_plane_status *dc_plane_get_status(
 		if (pipe_ctx->plane_state != plane_state)
 			continue;
 
-		if (pipe_ctx->plane_state)
+		if (pipe_ctx->plane_state && flags.bits.address)
 			pipe_ctx->plane_state->status.is_flip_pending = false;
 
 		break;
@@ -151,7 +152,8 @@ const struct dc_plane_status *dc_plane_get_status(
 		if (pipe_ctx->plane_state != plane_state)
 			continue;
 
-		dc->hwss.update_pending_status(pipe_ctx);
+		if (flags.bits.address)
+			dc->hwss.update_pending_status(pipe_ctx);
 	}
 
 	return plane_status;
diff --git a/drivers/gpu/drm/amd/display/dc/dc_plane.h b/drivers/gpu/drm/amd/display/dc/dc_plane.h
index 8fe385f52b18..14feb843e694 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_plane.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_plane.h
@@ -28,9 +28,17 @@
 
 #include "dc_hw_types.h"
 
+union dc_plane_status_update_flags {
+	struct {
+		uint32_t address : 1;
+	} bits;
+	uint32_t raw;
+};
+
 struct dc_plane_state *dc_create_plane_state(const struct dc *dc);
 const struct dc_plane_status *dc_plane_get_status(
-		const struct dc_plane_state *plane_state);
+		const struct dc_plane_state *plane_state,
+		union dc_plane_status_update_flags flags);
 void dc_plane_state_retain(struct dc_plane_state *plane_state);
 void dc_plane_state_release(struct dc_plane_state *plane_state);
 
-- 
2.34.1