From f1d59e00ff5f1822ff9359beb0c315fdd9660626 Mon Sep 17 00:00:00 2001 From: Jack Zhang Date: Tue, 3 Sep 2019 10:15:23 +0800 Subject: [PATCH] drm/amd/amdgpu: add sw_fini interface for df_funcs add sw_fini interface of df_funcs. This interface will remove sysfs file of df_cntr_avail function. The old behavior only create sysfs of df_cntr_avail in sw_init, but never remove it for lack of sw_fini interface. With this,driver will report create sysfs fail when it's loaded for the second time. Signed-off-by: Jack Zhang Reviewed-by: Jonathan Kim Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu.h | 1 + drivers/gpu/drm/amd/amdgpu/df_v1_7.c | 5 +++++ drivers/gpu/drm/amd/amdgpu/df_v3_6.c | 8 ++++++++ drivers/gpu/drm/amd/amdgpu/soc15.c | 3 +++ 4 files changed, 17 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index a69e781b2c76..dd9e18f155f0 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -651,6 +651,7 @@ struct amdgpu_mmio_remap { struct amdgpu_df_funcs { void (*sw_init)(struct amdgpu_device *adev); + void (*sw_fini)(struct amdgpu_device *adev); void (*enable_broadcast_mode)(struct amdgpu_device *adev, bool enable); u32 (*get_fb_channel_number)(struct amdgpu_device *adev); diff --git a/drivers/gpu/drm/amd/amdgpu/df_v1_7.c b/drivers/gpu/drm/amd/amdgpu/df_v1_7.c index 844c03868248..d6221298b477 100644 --- a/drivers/gpu/drm/amd/amdgpu/df_v1_7.c +++ b/drivers/gpu/drm/amd/amdgpu/df_v1_7.c @@ -33,6 +33,10 @@ static void df_v1_7_sw_init(struct amdgpu_device *adev) { } +static void df_v1_7_sw_fini(struct amdgpu_device *adev) +{ +} + static void df_v1_7_enable_broadcast_mode(struct amdgpu_device *adev, bool enable) { @@ -111,6 +115,7 @@ static void df_v1_7_enable_ecc_force_par_wr_rmw(struct amdgpu_device *adev, const struct amdgpu_df_funcs df_v1_7_funcs = { .sw_init = df_v1_7_sw_init, + .sw_fini = df_v1_7_sw_fini, .enable_broadcast_mode = df_v1_7_enable_broadcast_mode, .get_fb_channel_number = df_v1_7_get_fb_channel_number, .get_hbm_channel_number = df_v1_7_get_hbm_channel_number, diff --git a/drivers/gpu/drm/amd/amdgpu/df_v3_6.c b/drivers/gpu/drm/amd/amdgpu/df_v3_6.c index deee4f40423d..16fbd2bc8ad1 100644 --- a/drivers/gpu/drm/amd/amdgpu/df_v3_6.c +++ b/drivers/gpu/drm/amd/amdgpu/df_v3_6.c @@ -220,6 +220,13 @@ static void df_v3_6_sw_init(struct amdgpu_device *adev) adev->df_perfmon_config_assign_mask[i] = 0; } +static void df_v3_6_sw_fini(struct amdgpu_device *adev) +{ + + device_remove_file(adev->dev, &dev_attr_df_cntr_avail); + +} + static void df_v3_6_enable_broadcast_mode(struct amdgpu_device *adev, bool enable) { @@ -537,6 +544,7 @@ static void df_v3_6_pmc_get_count(struct amdgpu_device *adev, const struct amdgpu_df_funcs df_v3_6_funcs = { .sw_init = df_v3_6_sw_init, + .sw_fini = df_v3_6_sw_fini, .enable_broadcast_mode = df_v3_6_enable_broadcast_mode, .get_fb_channel_number = df_v3_6_get_fb_channel_number, .get_hbm_channel_number = df_v3_6_get_hbm_channel_number, diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c index 6588909de60b..fb9c3407ca35 100644 --- a/drivers/gpu/drm/amd/amdgpu/soc15.c +++ b/drivers/gpu/drm/amd/amdgpu/soc15.c @@ -1240,6 +1240,9 @@ static int soc15_common_sw_init(void *handle) static int soc15_common_sw_fini(void *handle) { + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + adev->df_funcs->sw_fini(adev); return 0; }