From: Eric Yang <Eric.Yang2@amd.com>
Date: Fri, 3 Nov 2017 16:21:37 -0400
Subject: drm/amd/display: always call set output tf
Git-commit: 35b71a3f6e5f81fe494e0ed8e82deb640ecfc6ec
Patch-mainline: v4.16-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
Temporary solution to fix gamma adjustment not
working.
Signed-off-by: Eric Yang <Eric.Yang2@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
@@ -2058,8 +2058,14 @@ static void program_all_pipe_in_tree(
if (cur_pipe_ctx->plane_state != pipe_ctx->plane_state) {
dc->hwss.set_input_transfer_func(pipe_ctx, pipe_ctx->plane_state);
- dc->hwss.set_output_transfer_func(pipe_ctx, pipe_ctx->stream);
}
+
+ /*
+ * TODO: This can be further optimized/cleaned up
+ * Always call this for now since it does memcmp inside before
+ * doing heavy calculation and programming
+ */
+ dc->hwss.set_output_transfer_func(pipe_ctx, pipe_ctx->stream);
}
if (dc->debug.sanity_checks) {