diff options
| author | Lijo Lazar <lijo.lazar@amd.com> | 2023-02-17 09:32:44 +0530 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-06-09 09:56:54 -0400 |
| commit | 0f2e1d620eca56c4ceebc041aabb1eda26b2cfd0 (patch) | |
| tree | fd0b6232a75745f863df55e585164b40f148694c /drivers/gpu/drm/amd/amdgpu | |
| parent | b6f90baafe267a0705c5d9b1429c875d3c39fbc7 (diff) | |
drm/amdgpu: Get supported memory partition modes
Expand the interface to get supported memory partition modes also along
with the current memory partition mode.
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Le Ma <le.ma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.h | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 11 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c | 9 |
3 files changed, 19 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.h index eb25ac98903f..095aecfb201e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.h @@ -97,7 +97,8 @@ struct amdgpu_nbio_funcs { void (*clear_doorbell_interrupt)(struct amdgpu_device *adev); u32 (*get_rom_offset)(struct amdgpu_device *adev); int (*get_compute_partition_mode)(struct amdgpu_device *adev); - u32 (*get_memory_partition_mode)(struct amdgpu_device *adev); + u32 (*get_memory_partition_mode)(struct amdgpu_device *adev, + u32 *supp_modes); void (*set_compute_partition_mode)(struct amdgpu_device *adev, enum amdgpu_gfx_partition mode); }; diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c index db157a31a780..d6a1dac01952 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c @@ -1331,16 +1331,23 @@ static unsigned gmc_v9_0_get_vbios_fb_size(struct amdgpu_device *adev) } static enum amdgpu_memory_partition -gmc_v9_0_query_memory_partition(struct amdgpu_device *adev) +gmc_v9_0_get_memory_partition(struct amdgpu_device *adev, u32 *supp_modes) { enum amdgpu_memory_partition mode = UNKNOWN_MEMORY_PARTITION_MODE; if (adev->nbio.funcs->get_memory_partition_mode) - mode = adev->nbio.funcs->get_memory_partition_mode(adev); + mode = adev->nbio.funcs->get_memory_partition_mode(adev, + supp_modes); return mode; } +static enum amdgpu_memory_partition +gmc_v9_0_query_memory_partition(struct amdgpu_device *adev) +{ + return gmc_v9_0_get_memory_partition(adev, NULL); +} + static const struct amdgpu_gmc_funcs gmc_v9_0_gmc_funcs = { .flush_gpu_tlb = gmc_v9_0_flush_gpu_tlb, .flush_gpu_tlb_pasid = gmc_v9_0_flush_gpu_tlb_pasid, diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c b/drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c index fa4b423c399b..e1552d645308 100644 --- a/drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c +++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c @@ -408,12 +408,19 @@ static void nbio_v7_9_set_compute_partition_mode(struct amdgpu_device *adev, WREG32_SOC15(NBIO, 0, regBIF_BX_PF0_PARTITION_COMPUTE_STATUS, tmp); } -static enum amdgpu_memory_partition nbio_v7_9_get_memory_partition_mode(struct amdgpu_device *adev) +static enum amdgpu_memory_partition +nbio_v7_9_get_memory_partition_mode(struct amdgpu_device *adev, u32 *supp_modes) { u32 tmp; + tmp = RREG32_SOC15(NBIO, 0, regBIF_BX_PF0_PARTITION_MEM_STATUS); tmp = REG_GET_FIELD(tmp, BIF_BX_PF0_PARTITION_MEM_STATUS, NPS_MODE); + if (supp_modes) { + *supp_modes = + RREG32_SOC15(NBIO, 0, regBIF_BX_PF0_PARTITION_MEM_CAP); + } + return ffs(tmp); } |