From 950227959b0e4bce5d1c9b93be15f977b530a717 Mon Sep 17 00:00:00 2001 From: Charlene Liu Date: Mon, 1 Oct 2018 15:22:12 -0400 Subject: [PATCH] drm/amd/display: Check if hubp function hooks exist before calling them Signed-off-by: Charlene Liu Reviewed-by: Dmytro Laktyushkin Acked-by: Bhawanpreet Lakha Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c index f88c440..345fc03 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c @@ -787,7 +787,7 @@ static bool dcn10_hw_wa_force_recovery(struct dc *dc) &dc->current_state->res_ctx.pipe_ctx[i]; if (pipe_ctx != NULL) { hubp = pipe_ctx->plane_res.hubp; - if (hubp != NULL) { + if (hubp != NULL && hubp->funcs->hubp_get_underflow_status) { if (hubp->funcs->hubp_get_underflow_status(hubp) != 0) { /* one pipe underflow, we will reset all the pipes*/ need_recover = true; @@ -813,7 +813,7 @@ static bool dcn10_hw_wa_force_recovery(struct dc *dc) if (pipe_ctx != NULL) { hubp = pipe_ctx->plane_res.hubp; /*DCHUBP_CNTL:HUBP_BLANK_EN=1*/ - if (hubp != NULL) + if (hubp != NULL && hubp->funcs->set_hubp_blank_en) hubp->funcs->set_hubp_blank_en(hubp, true); } } @@ -826,7 +826,7 @@ static bool dcn10_hw_wa_force_recovery(struct dc *dc) if (pipe_ctx != NULL) { hubp = pipe_ctx->plane_res.hubp; /*DCHUBP_CNTL:HUBP_DISABLE=1*/ - if (hubp != NULL) + if (hubp != NULL && hubp->funcs->hubp_disable_control) hubp->funcs->hubp_disable_control(hubp, true); } } @@ -836,7 +836,7 @@ static bool dcn10_hw_wa_force_recovery(struct dc *dc) if (pipe_ctx != NULL) { hubp = pipe_ctx->plane_res.hubp; /*DCHUBP_CNTL:HUBP_DISABLE=0*/ - if (hubp != NULL) + if (hubp != NULL && hubp->funcs->hubp_disable_control) hubp->funcs->hubp_disable_control(hubp, true); } } @@ -848,7 +848,7 @@ static bool dcn10_hw_wa_force_recovery(struct dc *dc) if (pipe_ctx != NULL) { hubp = pipe_ctx->plane_res.hubp; /*DCHUBP_CNTL:HUBP_BLANK_EN=0*/ - if (hubp != NULL) + if (hubp != NULL && hubp->funcs->set_hubp_blank_en) hubp->funcs->set_hubp_blank_en(hubp, true); } } -- 2.7.4