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drm/amdgpu: add more fields into device info, caches sizes, etc.

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AMDGPU_IDS_FLAGS_CONFORMANT_TRUNC_COORD: important for conformance on gfx11
Other fields are exposed from IP discovery.
enabled_rb_pipes_mask_hi is added for future chips, currently 0.

Mesa MR: https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/21403

Signed-off-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Marek Olšák 2023-01-29 23:00:59 -05:00 committed by Alex Deucher
parent 4fc8fff378
commit b299221faf
5 changed files with 33 additions and 1 deletions
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5
drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
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@ -107,9 +107,12 @@
* - 3.50.0 - Update AMDGPU_INFO_DEV_INFO IOCTL for minimum engine and memory clock
* Update AMDGPU_INFO_SENSOR IOCTL for PEAK_PSTATE engine and memory clock
* 3.51.0 - Return the PCIe gen and lanes from the INFO ioctl
* 3.52.0 - Add AMDGPU_IDS_FLAGS_CONFORMANT_TRUNC_COORD, add device_info fields:
* tcp_cache_size, num_sqc_per_wgp, sqc_data_cache_size, sqc_inst_cache_size,
* gl1c_cache_size, gl2c_cache_size, mall_size, enabled_rb_pipes_mask_hi
*/
#define KMS_DRIVER_MAJOR 3
#define KMS_DRIVER_MINOR 51
#define KMS_DRIVER_MINOR 52
#define KMS_DRIVER_PATCHLEVEL 0
unsigned int amdgpu_vram_limit = UINT_MAX;

2
drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h
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@ -178,6 +178,8 @@ struct amdgpu_gfx_config {
uint32_t num_sc_per_sh;
uint32_t num_packer_per_sc;
uint32_t pa_sc_tile_steering_override;
/* Whether texture coordinate truncation is conformant. */
bool ta_cntl2_truncate_coord_mode;
uint64_t tcc_disabled_mask;
uint32_t gc_num_tcp_per_sa;
uint32_t gc_num_sdp_interface;

11
drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
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@ -808,6 +808,8 @@ int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
dev_info->ids_flags |= AMDGPU_IDS_FLAGS_PREEMPTION;
if (amdgpu_is_tmz(adev))
dev_info->ids_flags |= AMDGPU_IDS_FLAGS_TMZ;
if (adev->gfx.config.ta_cntl2_truncate_coord_mode)
dev_info->ids_flags |= AMDGPU_IDS_FLAGS_CONFORMANT_TRUNC_COORD;
vm_size = adev->vm_manager.max_pfn * AMDGPU_GPU_PAGE_SIZE;
vm_size -= AMDGPU_VA_RESERVED_SIZE;
@ -865,6 +867,15 @@ int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 ? 4 :
adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 ? 2 : 1;
dev_info->tcp_cache_size = adev->gfx.config.gc_tcp_l1_size;
dev_info->num_sqc_per_wgp = adev->gfx.config.gc_num_sqc_per_wgp;
dev_info->sqc_data_cache_size = adev->gfx.config.gc_l1_data_cache_size_per_sqc;
dev_info->sqc_inst_cache_size = adev->gfx.config.gc_l1_instruction_cache_size_per_sqc;
dev_info->gl1c_cache_size = adev->gfx.config.gc_gl1c_size_per_instance *
adev->gfx.config.gc_gl1c_per_sa;
dev_info->gl2c_cache_size = adev->gfx.config.gc_gl2c_per_gpu;
dev_info->mall_size = adev->gmc.mall_size;
ret = copy_to_user(out, dev_info,
min((size_t)size, sizeof(*dev_info))) ? -EFAULT : 0;
kfree(dev_info);

5
drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
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@ -1659,6 +1659,11 @@ static void gfx_v11_0_constants_init(struct amdgpu_device *adev)
gfx_v11_0_get_tcc_info(adev);
adev->gfx.config.pa_sc_tile_steering_override = 0;
/* Set whether texture coordinate truncation is conformant. */
tmp = RREG32_SOC15(GC, 0, regTA_CNTL2);
adev->gfx.config.ta_cntl2_truncate_coord_mode =
REG_GET_FIELD(tmp, TA_CNTL2, TRUNCATE_COORD_MODE);
/* XXX SH_MEM regs */
/* where to put LDS, scratch, GPUVM in FSA64 space */
mutex_lock(&adev->srbm_mutex);

11
include/uapi/drm/amdgpu_drm.h
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@ -715,6 +715,7 @@ struct drm_amdgpu_cs_chunk_data {
#define AMDGPU_IDS_FLAGS_FUSION 0x1
#define AMDGPU_IDS_FLAGS_PREEMPTION 0x2
#define AMDGPU_IDS_FLAGS_TMZ 0x4
#define AMDGPU_IDS_FLAGS_CONFORMANT_TRUNC_COORD 0x8
/* indicate if acceleration can be working */
#define AMDGPU_INFO_ACCEL_WORKING 0x00
@ -1115,6 +1116,16 @@ struct drm_amdgpu_info_device {
__u64 tcc_disabled_mask;
__u64 min_engine_clock;
__u64 min_memory_clock;
/* The following fields are only set on gfx11+, older chips set 0. */
__u32 tcp_cache_size; /* AKA GL0, VMEM cache */
__u32 num_sqc_per_wgp;
__u32 sqc_data_cache_size; /* AKA SMEM cache */
__u32 sqc_inst_cache_size;
__u32 gl1c_cache_size;
__u32 gl2c_cache_size;
__u64 mall_size; /* AKA infinity cache */
/* high 32 bits of the rb pipes mask */
__u32 enabled_rb_pipes_mask_hi;
};
struct drm_amdgpu_info_hw_ip {