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b42d3b159a
intel_bw_state allocated memory is not getting freed even after
module removal.
kmemleak reported backtrace:
[<0000000079019739>] kmemdup+0x17/0x40
[<00000000d58c1b9d>] intel_bw_duplicate_state+0x1b/0x40 [i915]
[<000000007423ed0c>] drm_atomic_get_private_obj_state+0xca/0x140
[<00000000100e3533>] intel_bw_atomic_check+0x133/0x350 [i915]
[<00000000126d0e0c>] intel_atomic_check+0x1ab7/0x20d0 [i915]
[<00000000d5dfc004>] drm_atomic_check_only+0x563/0x810
[<00000000c9379611>] drm_atomic_commit+0xe/0x50
[<00000000ec82b765>] drm_atomic_helper_disable_all+0x133/0x160
[<000000003c44760c>] drm_atomic_helper_shutdown+0x65/0xc0
[<00000000414e3e5c>] i915_driver_remove+0xcb/0x130 [i915]
[<00000000f8544c2a>] i915_pci_remove+0x19/0x40 [i915]
[<000000002dcbd148>] pci_device_remove+0x36/0xb0
[<000000003c8c6b0a>] device_release_driver_internal+0xe0/0x1c0
[<00000000580e9566>] unbind_store+0xc3/0x120
[<00000000869d0df5>] kernfs_fop_write+0x104/0x190
[<000000004dc1a355>] vfs_write+0xb9/0x1d0
Call the drm_atomic_private_obj_fini(), which inturn calls the
intel_bw_destroy_state() to make sure the intel_bw_state memory is
freed properly.
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Pankaj Bharadiya <pankaj.laxminarayan.bharadiya@intel.com>
Signed-off-by: Uma Shankar <uma.shankar@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191209143921.9240-1-pankaj.laxminarayan.bharadiya@intel.com
34 lines
850 B
C
34 lines
850 B
C
/* SPDX-License-Identifier: MIT */
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/*
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* Copyright © 2019 Intel Corporation
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*/
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#ifndef __INTEL_BW_H__
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#define __INTEL_BW_H__
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#include <drm/drm_atomic.h>
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#include "intel_display.h"
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struct drm_i915_private;
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struct intel_atomic_state;
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struct intel_crtc_state;
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struct intel_bw_state {
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struct drm_private_state base;
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unsigned int data_rate[I915_MAX_PIPES];
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u8 num_active_planes[I915_MAX_PIPES];
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};
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#define to_intel_bw_state(x) container_of((x), struct intel_bw_state, base)
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void intel_bw_init_hw(struct drm_i915_private *dev_priv);
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int intel_bw_init(struct drm_i915_private *dev_priv);
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void intel_bw_cleanup(struct drm_i915_private *dev_priv);
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int intel_bw_atomic_check(struct intel_atomic_state *state);
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void intel_bw_crtc_update(struct intel_bw_state *bw_state,
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const struct intel_crtc_state *crtc_state);
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#endif /* __INTEL_BW_H__ */
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