diff options
| author | Michael Strauss <michael.strauss@amd.com> | 2021-01-14 00:33:15 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-02-02 20:08:43 +0300 |
| commit | 7e60e389053e59c2efc4a9a0f2da3b2c528a0d19 (patch) | |
| tree | d6d7b812bcae101a687369e1ed1dbdff9c241cb1 | |
| parent | 91501d0affc2e34598e6514990614ed741de567b (diff) | |
| download | linux-7e60e389053e59c2efc4a9a0f2da3b2c528a0d19.tar.xz | |
drm/amd/display: Add null pointer check to is_dig_enabled func
[WHY]
Safeguarding as pointer may be null in diagnostic environment
Signed-off-by: Michael Strauss <michael.strauss@amd.com>
Reviewed-by: Sung Lee <Sung.Lee@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/clk_mgr/dcn301/vg_clk_mgr.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn301/vg_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn301/vg_clk_mgr.c index 991b9c5beaa3..aadb801447a7 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn301/vg_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn301/vg_clk_mgr.c @@ -75,7 +75,8 @@ int vg_get_active_display_cnt_wa( const struct dc_link *link = dc->links[i]; /* abusing the fact that the dig and phy are coupled to see if the phy is enabled */ - if (link->link_enc->funcs->is_dig_enabled(link->link_enc)) + if (link->link_enc->funcs->is_dig_enabled && + link->link_enc->funcs->is_dig_enabled(link->link_enc)) display_count++; } |