[Intel-gfx] [PATCH] drm/i915: free crtc on driver remove

[Arun R Murthy]

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 at intel.com>
---
 drivers/gpu/drm/i915/display/intel_display.c | 6 ++++++
 1 file changed, 6 insertions(+)

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