diff options
| author | Jun Lei <Jun.Lei@amd.com> | 2018-09-18 09:38:20 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-10-09 17:03:31 -0500 |
| commit | 88ed9fb77ef420cf2e4ec1624f3e638685e28c8d (patch) | |
| tree | 665f61f7b38c329eb0102d06156c7db5937190d7 | |
| parent | 5e174ce63ed7da4807ee86913fda35229d60cdab (diff) | |
drm/amd/display: fix memory leak in resource pools
[why]
ddc engines were recently changed to be independently tracked
from pipe count. the change was reflected in resource constructor
but not in destructor. this manifests as a memory leak when
pipe harvesting is enabled, since not all constructed ddc engines
are freed
[how]
make destructor symmetric with constructor for all dcX_resource
Signed-off-by: Jun Lei <Jun.Lei@amd.com>
Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
6 files changed, 15 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c b/drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c index 5b75460525ac..14754a87156c 100644 --- a/drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c @@ -689,7 +689,9 @@ static void destruct(struct dce110_resource_pool *pool) kfree(DCE110TG_FROM_TG(pool->base.timing_generators[i])); pool->base.timing_generators[i] = NULL; } + } + for (i = 0; i < pool->base.res_cap->num_ddc; i++) { if (pool->base.engines[i] != NULL) dce110_engine_destroy(&pool->base.engines[i]); if (pool->base.hw_i2cs[i] != NULL) { diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c index 4607a6af4451..de190935f0a4 100644 --- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c @@ -719,7 +719,9 @@ static void destruct(struct dce110_resource_pool *pool) kfree(DCE110TG_FROM_TG(pool->base.timing_generators[i])); pool->base.timing_generators[i] = NULL; } + } + for (i = 0; i < pool->base.res_cap->num_ddc; i++) { if (pool->base.engines[i] != NULL) dce110_engine_destroy(&pool->base.engines[i]); if (pool->base.hw_i2cs[i] != NULL) { diff --git a/drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.c b/drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.c index 8b5a2696a4e8..3ce79c208ddf 100644 --- a/drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.c @@ -693,9 +693,6 @@ static void destruct(struct dce110_resource_pool *pool) if (pool->base.opps[i] != NULL) dce110_opp_destroy(&pool->base.opps[i]); - if (pool->base.engines[i] != NULL) - dce110_engine_destroy(&pool->base.engines[i]); - if (pool->base.transforms[i] != NULL) dce112_transform_destroy(&pool->base.transforms[i]); @@ -711,6 +708,11 @@ static void destruct(struct dce110_resource_pool *pool) kfree(DCE110TG_FROM_TG(pool->base.timing_generators[i])); pool->base.timing_generators[i] = NULL; } + } + + for (i = 0; i < pool->base.res_cap->num_ddc; i++) { + if (pool->base.engines[i] != NULL) + dce110_engine_destroy(&pool->base.engines[i]); if (pool->base.hw_i2cs[i] != NULL) { kfree(pool->base.hw_i2cs[i]); pool->base.hw_i2cs[i] = NULL; diff --git a/drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c b/drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c index 53a7a2f2ef76..79ab5f9f9115 100644 --- a/drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c @@ -533,7 +533,9 @@ static void destruct(struct dce110_resource_pool *pool) kfree(DCE110TG_FROM_TG(pool->base.timing_generators[i])); pool->base.timing_generators[i] = NULL; } + } + for (i = 0; i < pool->base.res_cap->num_ddc; i++) { if (pool->base.engines[i] != NULL) dce110_engine_destroy(&pool->base.engines[i]); if (pool->base.hw_i2cs[i] != NULL) { diff --git a/drivers/gpu/drm/amd/display/dc/dce80/dce80_resource.c b/drivers/gpu/drm/amd/display/dc/dce80/dce80_resource.c index 79e5c5c0de56..d68f951f9869 100644 --- a/drivers/gpu/drm/amd/display/dc/dce80/dce80_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dce80/dce80_resource.c @@ -738,7 +738,9 @@ static void destruct(struct dce110_resource_pool *pool) kfree(DCE110TG_FROM_TG(pool->base.timing_generators[i])); pool->base.timing_generators[i] = NULL; } + } + for (i = 0; i < pool->base.res_cap->num_ddc; i++) { if (pool->base.engines[i] != NULL) dce110_engine_destroy(&pool->base.engines[i]); if (pool->base.hw_i2cs[i] != NULL) { diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c index affadd7bfe8d..563847c2dd42 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c @@ -896,7 +896,9 @@ static void destruct(struct dcn10_resource_pool *pool) kfree(DCN10TG_FROM_TG(pool->base.timing_generators[i])); pool->base.timing_generators[i] = NULL; } + } + for (i = 0; i < pool->base.res_cap->num_ddc; i++) { if (pool->base.engines[i] != NULL) pool->base.engines[i]->funcs->destroy_engine(&pool->base.engines[i]); if (pool->base.hw_i2cs[i] != NULL) { |