[AMD Official Use Only - General] Might want to avoid bringup in the commit description
-- Regards, Jay ________________________________ From: Wayne Lin <[email protected]> Sent: Tuesday, March 12, 2024 5:20 AM To: [email protected] <[email protected]> Cc: Wentland, Harry <[email protected]>; Li, Sun peng (Leo) <[email protected]>; Siqueira, Rodrigo <[email protected]>; Pillai, Aurabindo <[email protected]>; Li, Roman <[email protected]>; Lin, Wayne <[email protected]>; Gutierrez, Agustin <[email protected]>; Chung, ChiaHsuan (Tom) <[email protected]>; Wu, Hersen <[email protected]>; Zuo, Jerry <[email protected]>; Park, Chris <[email protected]>; Limonciello, Mario <[email protected]>; Deucher, Alexander <[email protected]>; [email protected] <[email protected]>; Liu, Charlene <[email protected]> Subject: [PATCH 33/43] drm/amd/display: Prevent crash on bring-up From: Chris Park <[email protected]> [Why] Disabling stream encoder invokes a function that no longer exists in bring-up. [How] Check if the function declaration is NULL in disable stream encoder. Cc: Mario Limonciello <[email protected]> Cc: Alex Deucher <[email protected]> Cc: [email protected] Reviewed-by: Charlene Liu <[email protected]> Acked-by: Wayne Lin <[email protected]> Signed-off-by: Chris Park <[email protected]> --- drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c index 9d5df4c0da59..0ba1feaf96c0 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c @@ -1185,7 +1185,8 @@ void dce110_disable_stream(struct pipe_ctx *pipe_ctx) if (dccg) { dccg->funcs->disable_symclk32_se(dccg, dp_hpo_inst); dccg->funcs->set_dpstreamclk(dccg, REFCLK, tg->inst, dp_hpo_inst); - dccg->funcs->set_dtbclk_dto(dccg, &dto_params); + if (dccg && dccg->funcs->set_dtbclk_dto) + dccg->funcs->set_dtbclk_dto(dccg, &dto_params); } } else if (dccg && dccg->funcs->disable_symclk_se) { dccg->funcs->disable_symclk_se(dccg, stream_enc->stream_enc_inst, -- 2.37.3
