From: Vladimir Stempen vladimir.stempen@amd.com
[ Upstream commit 4b08d8c78360241d270396a9de6eb774e88acd00 ]
[why] Heavy corruption or blank screen reported on wake, with 6k display connected and FEC enabled
[how] When Disable/Enable stream for display pipes on HPDRX, DC should take into account ODM split pipes.
Tested-by: Daniel Wheeler daniel.wheeler@amd.com Signed-off-by: Vladimir Stempen vladimir.stempen@amd.com Reviewed-by: Aric Cyr Aric.Cyr@amd.com Acked-by: Anson Jacob anson.jacob@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c index 004e2b32e02fa..17e6fd8201395 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c @@ -3023,14 +3023,14 @@ bool dc_link_handle_hpd_rx_irq(struct dc_link *link, union hpd_irq_data *out_hpd for (i = 0; i < MAX_PIPES; i++) { pipe_ctx = &link->dc->current_state->res_ctx.pipe_ctx[i]; if (pipe_ctx && pipe_ctx->stream && !pipe_ctx->stream->dpms_off && - pipe_ctx->stream->link == link) + pipe_ctx->stream->link == link && !pipe_ctx->prev_odm_pipe) core_link_disable_stream(pipe_ctx); }
for (i = 0; i < MAX_PIPES; i++) { pipe_ctx = &link->dc->current_state->res_ctx.pipe_ctx[i]; if (pipe_ctx && pipe_ctx->stream && !pipe_ctx->stream->dpms_off && - pipe_ctx->stream->link == link) + pipe_ctx->stream->link == link && !pipe_ctx->prev_odm_pipe) core_link_enable_stream(link->dc->current_state, pipe_ctx); }