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author | Lijo Lazar <lijo.lazar@amd.com> | 2023-01-19 18:43:28 +0530 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2023-02-15 22:24:08 -0500 |
commit | 18c4e319db02c68237021ea7d3040ef3b21f09b9 (patch) | |
tree | 3453c9882b6257ead4a87c2d05b0091884f7cdf1 /drivers/gpu/drm/amd/pm | |
parent | d8f3b3951ff4db44cd4695c396e26160de789370 (diff) | |
download | linux-stable-18c4e319db02c68237021ea7d3040ef3b21f09b9.tar.gz linux-stable-18c4e319db02c68237021ea7d3040ef3b21f09b9.tar.bz2 linux-stable-18c4e319db02c68237021ea7d3040ef3b21f09b9.zip |
drm/amd/pm: Allocate dummy table only if needed
Only Navi1x requires dummy read workaround. Allocate the table in VRAM
only for Navi1x.
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/pm')
-rw-r--r-- | drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c | 5 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c | 6 |
2 files changed, 8 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c index 3f96c4772d39..834d146c4991 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c +++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c @@ -904,9 +904,8 @@ static int smu_alloc_dummy_read_table(struct smu_context *smu) struct amdgpu_device *adev = smu->adev; int ret = 0; - dummy_read_1_table->size = 0x40000; - dummy_read_1_table->align = PAGE_SIZE; - dummy_read_1_table->domain = AMDGPU_GEM_DOMAIN_VRAM; + if (!dummy_read_1_table->size) + return 0; ret = amdgpu_bo_create_kernel(adev, dummy_read_1_table->size, diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c index 0bcd4fe0ef17..95da6dd1cc65 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c @@ -494,6 +494,8 @@ static int navi10_tables_init(struct smu_context *smu) { struct smu_table_context *smu_table = &smu->smu_table; struct smu_table *tables = smu_table->tables; + struct smu_table *dummy_read_1_table = + &smu_table->dummy_read_1_table; SMU_TABLE_INIT(tables, SMU_TABLE_PPTABLE, sizeof(PPTable_t), PAGE_SIZE, AMDGPU_GEM_DOMAIN_VRAM); @@ -513,6 +515,10 @@ static int navi10_tables_init(struct smu_context *smu) SMU_TABLE_INIT(tables, SMU_TABLE_DRIVER_SMU_CONFIG, sizeof(DriverSmuConfig_t), PAGE_SIZE, AMDGPU_GEM_DOMAIN_VRAM); + dummy_read_1_table->size = 0x40000; + dummy_read_1_table->align = PAGE_SIZE; + dummy_read_1_table->domain = AMDGPU_GEM_DOMAIN_VRAM; + smu_table->metrics_table = kzalloc(sizeof(SmuMetrics_NV1X_t), GFP_KERNEL); if (!smu_table->metrics_table) |