From e82b973d141cda43634d9ae91076ce86928208b7 Mon Sep 17 00:00:00 2001 From: Vitaliy Shevtsov Date: Sat, 21 Sep 2024 02:43:40 +0500 Subject: [PATCH] drm/amd/display: fix typos in several function pointer checks Fix several copypaste mistakes in *_disable_link_output() functions where an improper function pointer is checked before dereference. Found by Linux Verification Center (linuxtesting.org) with Svace. Signed-off-by: Vitaliy Shevtsov Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c | 2 +- drivers/gpu/drm/amd/display/dc/hwss/dcn314/dcn314_hwseq.c | 2 +- drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c | 4 ++-- 3 files changed, 4 insertions(+), 4 deletions(-) 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 4fbed0298adfa..9d00d8dc5ae87 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 @@ -3315,7 +3315,7 @@ void dce110_disable_link_output(struct dc_link *link, * from enable/disable link output and only call edp panel control * in enable_link_dp and disable_link_dp once. */ - if (dmcu != NULL && dmcu->funcs->lock_phy) + if (dmcu != NULL && dmcu->funcs->unlock_phy) dmcu->funcs->unlock_phy(dmcu); dc->link_srv->dp_trace_source_sequence(link, DPCD_SOURCE_SEQ_AFTER_DISABLE_LINK_PHY); } diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn314/dcn314_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn314/dcn314_hwseq.c index 4e93eeedfc1bb..5b6cf2a8e38da 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn314/dcn314_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn314/dcn314_hwseq.c @@ -478,7 +478,7 @@ void dcn314_disable_link_output(struct dc_link *link, * from enable/disable link output and only call edp panel control * in enable_link_dp and disable_link_dp once. */ - if (dmcu != NULL && dmcu->funcs->lock_phy) + if (dmcu != NULL && dmcu->funcs->unlock_phy) dmcu->funcs->unlock_phy(dmcu); dc->link_srv->dp_trace_source_sequence(link, DPCD_SOURCE_SEQ_AFTER_DISABLE_LINK_PHY); diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c index 2e8c9f7382596..a985d191f5007 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c @@ -1398,10 +1398,10 @@ void dcn32_disable_link_output(struct dc_link *link, link->phy_state.symclk_state = SYMCLK_OFF_TX_OFF; if (signal == SIGNAL_TYPE_EDP && - link->dc->hwss.edp_backlight_control && + link->dc->hwss.edp_power_control && !link->skip_implict_edp_power_control) link->dc->hwss.edp_power_control(link, false); - else if (dmcu != NULL && dmcu->funcs->lock_phy) + else if (dmcu != NULL && dmcu->funcs->unlock_phy) dmcu->funcs->unlock_phy(dmcu); dc->link_srv->dp_trace_source_sequence(link, DPCD_SOURCE_SEQ_AFTER_DISABLE_LINK_PHY);