intel_crtc is being allocated as part of intel_modeset_init_nogem and not freed as part of driver remove. This will lead to memory leak. Hence free up the allocated crtc on driver remove as part of intel_modeset_driver_remove_nogem. Signed-off-by: Arun R Murthy <arun.r.murthy@xxxxxxxxx> --- drivers/gpu/drm/i915/display/intel_crtc.c | 2 +- drivers/gpu/drm/i915/display/intel_crtc.h | 1 + drivers/gpu/drm/i915/display/intel_display.c | 6 ++++++ 3 files changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_crtc.c b/drivers/gpu/drm/i915/display/intel_crtc.c index 4442aa355f86..c90b2854c772 100644 --- a/drivers/gpu/drm/i915/display/intel_crtc.c +++ b/drivers/gpu/drm/i915/display/intel_crtc.c @@ -193,7 +193,7 @@ static struct intel_crtc *intel_crtc_alloc(void) return crtc; } -static void intel_crtc_free(struct intel_crtc *crtc) +void intel_crtc_free(struct intel_crtc *crtc) { intel_crtc_destroy_state(&crtc->base, crtc->base.state); kfree(crtc); diff --git a/drivers/gpu/drm/i915/display/intel_crtc.h b/drivers/gpu/drm/i915/display/intel_crtc.h index 73077137fb99..d20200a2c33b 100644 --- a/drivers/gpu/drm/i915/display/intel_crtc.h +++ b/drivers/gpu/drm/i915/display/intel_crtc.h @@ -35,5 +35,6 @@ struct intel_crtc *intel_crtc_for_pipe(struct drm_i915_private *i915, void intel_wait_for_vblank_if_active(struct drm_i915_private *i915, enum pipe pipe); void intel_crtc_wait_for_next_vblank(struct intel_crtc *crtc); +void intel_crtc_free(struct intel_crtc *crtc); #endif diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index a0f84cbe974f..33e29455fe56 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -9046,6 +9046,8 @@ void intel_modeset_driver_remove_noirq(struct drm_i915_private *i915) /* part #3: call after gem init */ void intel_modeset_driver_remove_nogem(struct drm_i915_private *i915) { + struct intel_crtc *crtc; + intel_dmc_ucode_fini(i915); intel_power_domains_driver_remove(i915); @@ -9053,6 +9055,10 @@ void intel_modeset_driver_remove_nogem(struct drm_i915_private *i915) intel_vga_unregister(i915); intel_bios_driver_remove(i915); + + /* Free the allocated crtc */ + for_each_intel_crtc(&i915->drm, crtc) + intel_crtc_free(crtc); } bool intel_modeset_probe_defer(struct pci_dev *pdev) -- 2.25.1