From cc6201b773f12388c234aa10145322ccc429959e Mon Sep 17 00:00:00 2001 From: Duncan Ma Date: Tue, 31 Oct 2023 16:57:36 -0400 Subject: drm/amd/display: Add disable timeout option [WHY] Driver continues running whenever there is is timeout from smu or dmcub. It is difficult to track failure state when dcn, dc or dmcub changes on root failure. [HOW] Add disable_timeout option to halt driver whenever there is a failure in response. Reviewed-by: Charlene Liu Acked-by: Alex Hung Signed-off-by: Duncan Ma Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_smu.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers/gpu/drm/amd/display/dc/clk_mgr') diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_smu.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_smu.c index b6b8c3ca1572..af0a0f292595 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_smu.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_smu.c @@ -116,6 +116,9 @@ static uint32_t dcn35_smu_wait_for_response(struct clk_mgr_internal *clk_mgr, un msleep(delay_us/1000); else if (delay_us > 0) udelay(delay_us); + + if (clk_mgr->base.ctx->dc->debug.disable_timeout) + max_retries++; } while (max_retries--); return res_val; -- cgit v1.2.3