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drm/amd/display: Reinit DPG when exiting dynamic ODM

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[WHY]
DPG must be returned to initialized state when pipe is disabled.

[HOW]
Reinit DPG on unused pipes when exiting dynamic ODM.

Reviewed-by: Alvin Lee <Alvin.Lee2@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Dillon Varone <Dillon.Varone@amd.com>
Tested-by: Mark Broadworth <mark.broadworth@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Dillon Varone 2022-10-17 18:51:15 -04:00 • committed by Alex Deucher
parent 26f2fe8608
commit 7fbf451e76
1 changed files with 23 additions and 0 deletions
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23
drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
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@ -1079,6 +1079,29 @@ void dcn20_blank_pixel_data(
0);
}
if (!blank && dc->debug.enable_single_display_2to1_odm_policy) {
/* when exiting dynamic ODM need to reinit DPG state for unused pipes */
struct pipe_ctx *old_odm_pipe = dc->current_state->res_ctx.pipe_ctx[pipe_ctx->pipe_idx].next_odm_pipe;
odm_pipe = pipe_ctx->next_odm_pipe;
while (old_odm_pipe) {
if (!odm_pipe || old_odm_pipe->pipe_idx != odm_pipe->pipe_idx)
dc->hwss.set_disp_pattern_generator(dc,
old_odm_pipe,
CONTROLLER_DP_TEST_PATTERN_VIDEOMODE,
CONTROLLER_DP_COLOR_SPACE_UDEFINED,
COLOR_DEPTH_888,
NULL,
0,
0,
0);
old_odm_pipe = old_odm_pipe->next_odm_pipe;
if (odm_pipe)
odm_pipe = odm_pipe->next_odm_pipe;
}
}
if (!blank)
if (stream_res->abm) {
dc->hwss.set_pipe(pipe_ctx);