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Revert "drm/amd/display: Fix writeback_info never got updated"

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This reverts commit 8a307777c3.

[WHY & HOW]
The writeback series cause a regression in thunderbolt display.

Signed-off-by: Alex Hung <alex.hung@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Hung 2023-10-11 13:18:44 -06:00 committed by Alex Deucher
parent 8f4bdbc8e9
commit c1929159f7
1 changed files with 9 additions and 4 deletions
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13
drivers/gpu/drm/amd/display/dc/core/dc_stream.c
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@ -509,13 +509,18 @@ 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],