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authorChris Park <Chris.Park@amd.com>2021-04-13 22:25:23 -0400
committerAlex Deucher <alexander.deucher@amd.com>2021-04-28 23:35:50 -0400
commitb2d4b9f72fb14c1e6e4f0128964a84539a72d831 (patch)
tree9ddd2c4542442efd84097cb7986503dee1a42c62
parent63de4f0413fe5487ba5a1ed04c92fa10ca6af7c7 (diff)
drm/amd/display: Fix BSOD with NULL check
[Why] CLK mgr is null for server settings. [How] Guard the function with NULL check. Signed-off-by: Chris Park <Chris.Park@amd.com> Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com> Acked-by: Wayne Lin <waynelin@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/core/dc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index e57df2f6f824..a869702d77af 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -3274,7 +3274,7 @@ void dc_allow_idle_optimizations(struct dc *dc, bool allow)
if (dc->debug.disable_idle_power_optimizations)
return;
- if (dc->clk_mgr->funcs->is_smu_present)
+ if (dc->clk_mgr != NULL && dc->clk_mgr->funcs->is_smu_present)
if (!dc->clk_mgr->funcs->is_smu_present(dc->clk_mgr))
return;