[PATCH 4/4] drm/amd/display: Refactor mark_seamless_boot_stream()

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From: Mario Limonciello <mario.limonciello@xxxxxxx>

mark_seamless_boot_stream() can be called multiple times to run
the more expensive checks in dc_validate_boot_timing().

Refactor the function so that if those have already passed once
the function isn't called again.

Also add a message the first time that they have passed to let
the user know the stream will be used for seamless boot.

Signed-off-by: Mario Limonciello <mario.limonciello@xxxxxxx>
---
 .../gpu/drm/amd/display/dc/core/dc_resource.c  | 18 +++++++++++-------
 1 file changed, 11 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
index 626f75b6ad003..78bad889ba065 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
@@ -3525,16 +3525,20 @@ static int acquire_resource_from_hw_enabled_state(
 	return -1;
 }
 
-static void mark_seamless_boot_stream(
-		const struct dc  *dc,
-		struct dc_stream_state *stream)
+static void mark_seamless_boot_stream(const struct dc  *dc,
+				      struct dc_stream_state *stream)
 {
 	struct dc_bios *dcb = dc->ctx->dc_bios;
 
-	if (dc->config.allow_seamless_boot_optimization &&
-			!dcb->funcs->is_accelerated_mode(dcb)) {
-		if (dc_validate_boot_timing(dc, stream->sink, &stream->timing))
-			stream->apply_seamless_boot_optimization = true;
+	if (stream->apply_seamless_boot_optimization)
+		return;
+	if (!dc->config.allow_seamless_boot_optimization)
+		return;
+	if (dcb->funcs->is_accelerated_mode(dcb))
+		return;
+	if (dc_validate_boot_timing(dc, stream->sink, &stream->timing)) {
+		stream->apply_seamless_boot_optimization = true;
+		DC_LOG_INFO("Marked stream for seamless boot optimization\n");
 	}
 }
 
-- 
2.43.0




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