From c833d8aa4d829e858f1be8f4bd82a1503b611013 Mon Sep 17 00:00:00 2001 From: Monk Liu Date: Tue, 19 Sep 2017 16:09:53 +0800 Subject: [PATCH] drm/amdgpu:fix firmware memoryleak(v2) this fix memory leak due to request_firmware after driver unloaded v2: release gmc firmware for gmc6/7/8 as well Signed-off-by: Monk Liu Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 6 ++++++ drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 20 ++++++++++++++++++++ drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c | 2 ++ drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c | 2 ++ drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c | 2 ++ drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c | 5 +++++ 6 files changed, 37 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c index e028286..447d446 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c @@ -92,6 +92,12 @@ static int psp_sw_init(void *handle) static int psp_sw_fini(void *handle) { + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + release_firmware(adev->psp.sos_fw); + adev->psp.sos_fw = NULL; + release_firmware(adev->psp.asd_fw); + adev->psp.asd_fw = NULL; return 0; } diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c index 9945218..deeaee14 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c @@ -384,6 +384,25 @@ err1: return r; } + +static void gfx_v9_0_free_microcode(struct amdgpu_device *adev) +{ + release_firmware(adev->gfx.pfp_fw); + adev->gfx.pfp_fw = NULL; + release_firmware(adev->gfx.me_fw); + adev->gfx.me_fw = NULL; + release_firmware(adev->gfx.ce_fw); + adev->gfx.ce_fw = NULL; + release_firmware(adev->gfx.rlc_fw); + adev->gfx.rlc_fw = NULL; + release_firmware(adev->gfx.mec_fw); + adev->gfx.mec_fw = NULL; + release_firmware(adev->gfx.mec2_fw); + adev->gfx.mec2_fw = NULL; + + kfree(adev->gfx.rlc.register_list_format); +} + static int gfx_v9_0_init_microcode(struct amdgpu_device *adev) { const char *chip_name; @@ -1429,6 +1448,7 @@ static int gfx_v9_0_sw_fini(void *handle) gfx_v9_0_mec_fini(adev); gfx_v9_0_ngg_fini(adev); + gfx_v9_0_free_microcode(adev); return 0; } diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c index 2d1f3f6..f4603a7 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c @@ -901,6 +901,8 @@ static int gmc_v6_0_sw_fini(void *handle) gmc_v6_0_gart_fini(adev); amdgpu_gem_force_release(adev); amdgpu_bo_fini(adev); + release_firmware(adev->mc.fw); + adev->mc.fw = NULL; return 0; } diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c index 2256277..b0528ca 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c @@ -1050,6 +1050,8 @@ static int gmc_v7_0_sw_fini(void *handle) gmc_v7_0_gart_fini(adev); amdgpu_gem_force_release(adev); amdgpu_bo_fini(adev); + release_firmware(adev->mc.fw); + adev->mc.fw = NULL; return 0; } diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c index 114671b..f368cfe 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c @@ -1147,6 +1147,8 @@ static int gmc_v8_0_sw_fini(void *handle) gmc_v8_0_gart_fini(adev); amdgpu_gem_force_release(adev); amdgpu_bo_fini(adev); + release_firmware(adev->mc.fw); + adev->mc.fw = NULL; return 0; } diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c index 61572c5..c26d205 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c @@ -1264,6 +1264,11 @@ static int sdma_v4_0_sw_fini(void *handle) for (i = 0; i < adev->sdma.num_instances; i++) amdgpu_ring_fini(&adev->sdma.instance[i].ring); + for (i = 0; i < adev->sdma.num_instances; i++) { + release_firmware(adev->sdma.instance[i].fw); + adev->sdma.instance[i].fw = NULL; + } + return 0; } -- 2.7.4