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authorAurabindo Pillai <aurabindo.pillai@amd.com>2024-07-03 23:41:52 +0300
committerAlex Deucher <alexander.deucher@amd.com>2024-07-24 00:07:13 +0300
commitf59549c7e705be0087d08bc116ccc767b86d8362 (patch)
tree48f537277fe4bf2021c3c9b10d02ddacccc66853
parent748b3c4ca0bf43cec186ace2ecb33457d7a4653d (diff)
downloadlinux-f59549c7e705be0087d08bc116ccc767b86d8362.tar.xz
drm/amd/display: free bo used for dmub bounding box
fix a memleak introduced by not removing the buffer object for use with early dmub bounding box value storage Fixes: 234e94555800 ("drm/amd/display: Enable copying of bounding box data from VBIOS DMUB") Reviewed-by: Rodrigo Siqueira <rodrigo.siqueira@amd.com> Reviewed-by: Alex Hung <alex.hung@amd.com> Signed-off-by: Jerry Zuo <jerry.zuo@amd.com> Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index a3b0f2748af0..fa8d455de7f5 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -1740,7 +1740,7 @@ static struct dml2_soc_bb *dm_dmub_get_vbios_bounding_box(struct amdgpu_device *
/* Send the chunk */
ret = dm_dmub_send_vbios_gpint_command(adev, send_addrs[i], chunk, 30000);
if (ret != DMUB_STATUS_OK)
- /* No need to free bb here since it shall be done unconditionally <elsewhere> */
+ /* No need to free bb here since it shall be done in dm_sw_fini() */
return NULL;
}
@@ -2465,8 +2465,17 @@ static int dm_sw_init(void *handle)
static int dm_sw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+ struct dal_allocation *da;
+
+ list_for_each_entry(da, &adev->dm.da_list, list) {
+ if (adev->dm.bb_from_dmub == (void *) da->cpu_ptr) {
+ amdgpu_bo_free_kernel(&da->bo, &da->gpu_addr, &da->cpu_ptr);
+ list_del(&da->list);
+ kfree(da);
+ break;
+ }
+ }
- kfree(adev->dm.bb_from_dmub);
adev->dm.bb_from_dmub = NULL;
kfree(adev->dm.dmub_fb_info);