diff options
author | Likun Gao <Likun.Gao@amd.com> | 2019-01-11 17:42:47 +0800 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2019-03-19 15:03:59 -0500 |
commit | 95add9591adab7002e203d5c1c57796e752b15e5 (patch) | |
tree | 9afb42be28188cf842c0a89f840f64e388759556 | |
parent | 2c80abe3816bf573858261c84bcc12c06ac93a5e (diff) | |
download | linux-95add9591adab7002e203d5c1c57796e752b15e5.tar.bz2 |
drm/amd/powerplay: add golden dpm table to backup default DPM table (v2)
Backup default DPM table into golden dpm table.
v2: fix dpm_context and golden_dpm_context kfree two times issue.
Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Reviewed-by: Kevin Wang <kevin1.wang@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
-rw-r--r-- | drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h | 3 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/powerplay/smu_v11_0.c | 2 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/powerplay/vega20_ppt.c | 14 |
3 files changed, 18 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h index 635c8b8e6d8d..9e376eea847d 100644 --- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h +++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h @@ -201,8 +201,9 @@ struct smu_table_context }; struct smu_dpm_context { - void *dpm_context; uint32_t dpm_context_size; + void *dpm_context; + void *golden_dpm_context; }; struct smu_power_context { diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c index 037d900c450c..534319f24eb0 100644 --- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c +++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c @@ -272,7 +272,9 @@ static int smu_v11_0_fini_dpm_context(struct smu_context *smu) return -EINVAL; kfree(smu_dpm->dpm_context); + kfree(smu_dpm->golden_dpm_context); smu_dpm->dpm_context = NULL; + smu_dpm->golden_dpm_context = NULL; smu_dpm->dpm_context_size = 0; return 0; diff --git a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c index c398899320d1..aa7f41a59e82 100644 --- a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c +++ b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c @@ -136,11 +136,22 @@ static int vega20_allocate_dpm_context(struct smu_context *smu) { struct smu_dpm_context *smu_dpm = &smu->smu_dpm; + if (smu_dpm->dpm_context) + return -EINVAL; + smu_dpm->dpm_context = kzalloc(sizeof(struct vega20_dpm_table), GFP_KERNEL); if (!smu_dpm->dpm_context) return -ENOMEM; + if (smu_dpm->golden_dpm_context) + return -EINVAL; + + smu_dpm->golden_dpm_context = kzalloc(sizeof(struct vega20_dpm_table), + GFP_KERNEL); + if (!smu_dpm->golden_dpm_context) + return -ENOMEM; + smu_dpm->dpm_context_size = sizeof(struct vega20_dpm_table); return 0; @@ -610,6 +621,9 @@ static int vega20_set_default_dpm_table(struct smu_context *smu) } vega20_init_single_dpm_state(&(single_dpm_table->dpm_state)); + memcpy(smu_dpm->golden_dpm_context, dpm_table, + sizeof(struct vega20_dpm_table)); + return 0; } |