From: Alex Hung Date: Fri, 5 May 2023 20:14:38 +0000 (-0600) Subject: drm/amd/display: Fix writeback_info never got updated X-Git-Tag: v6.7-rc1~145^2~10^2~180 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=8a307777c36e15f38c9f23778babcd368144c7d8;p=thirdparty%2Fkernel%2Flinux.git drm/amd/display: Fix writeback_info never got updated [WHY] wb_enabled field is set to false before it is used, and the following code will never be executed. [HOW] Setting wb_enable to false after all removal work is completed. Reviewed-by: Harry Wentland Signed-off-by: Alex Hung Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c index 8b7f138bce0f3..76ed7a6fd92d6 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c @@ -558,18 +558,13 @@ bool dc_stream_remove_writeback(struct dc *dc, return false; } -// stream->writeback_info[dwb_pipe_inst].wb_enabled = false; - for (i = 0; i < stream->num_wb_info; i++) { - /*dynamic update*/ - if (stream->writeback_info[i].wb_enabled && - stream->writeback_info[i].dwb_pipe_inst == dwb_pipe_inst) { - stream->writeback_info[i].wb_enabled = false; - } - } - /* remove writeback info for disabled writeback pipes from stream */ for (i = 0, j = 0; i < stream->num_wb_info; i++) { if (stream->writeback_info[i].wb_enabled) { + + if (stream->writeback_info[i].dwb_pipe_inst == dwb_pipe_inst) + stream->writeback_info[i].wb_enabled = false; + if (j < i) /* trim the array */ memcpy(&stream->writeback_info[j], &stream->writeback_info[i],