Register the DMC debugfs file only on platforms that support DMC. There's no point in having a no-op debugfs file.
Signed-off-by: Jani Nikula <[email protected]> --- drivers/gpu/drm/i915/display/intel_dmc.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_dmc.c b/drivers/gpu/drm/i915/display/intel_dmc.c index 5de13f978e57..8dfa2aa9f8bd 100644 --- a/drivers/gpu/drm/i915/display/intel_dmc.c +++ b/drivers/gpu/drm/i915/display/intel_dmc.c @@ -818,9 +818,6 @@ static int intel_dmc_debugfs_status_show(struct seq_file *m, void *unused) struct intel_dmc *dmc; i915_reg_t dc5_reg, dc6_reg = INVALID_MMIO_REG; - if (!HAS_DMC(i915)) - return -ENODEV; - dmc = &i915->dmc; wakeref = intel_runtime_pm_get(&i915->runtime_pm); @@ -890,6 +887,9 @@ void intel_dmc_debugfs_register(struct drm_i915_private *i915) { struct drm_minor *minor = i915->drm.primary; + if (!HAS_DMC(i915)) + return; + debugfs_create_file("i915_dmc_info", 0444, minor->debugfs_root, i915, &intel_dmc_debugfs_status_fops); } -- 2.30.2
