During hibernate sequence the source context might not have a clk_mgr.
So don't use it to look for DML2 support.
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2980
Fixes:
7966f319c66d ("drm/amd/display: Introduce DML2")
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
struct dml2_context *dml2 = NULL;
// Need to preserve allocated dml2 context
- if (src_ctx->clk_mgr->ctx->dc->debug.using_dml2)
+ if (src_ctx->clk_mgr && src_ctx->clk_mgr->ctx->dc->debug.using_dml2)
dml2 = dst_ctx->bw_ctx.dml2;
#endif
#ifdef CONFIG_DRM_AMD_DC_FP
// Preserve allocated dml2 context
- if (src_ctx->clk_mgr->ctx->dc->debug.using_dml2)
+ if (src_ctx->clk_mgr && src_ctx->clk_mgr->ctx->dc->debug.using_dml2)
dst_ctx->bw_ctx.dml2 = dml2;
#endif