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freedreno/common: Add A840 and X2-85

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Add support for A840 and X2-85.  Despite slice count, differences in
memory bus and clks, they are architecturally similar from the PoV of
the UMD.

Signed-off-by: Rob Clark <rob.clark@oss.qualcomm.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38450>
This commit is contained in:
Rob Clark 2025-11-20 08:19:30 -08:00 • committed by Marge Bot
parent 11364f4ee2
commit 6e3598177b
1 changed files with 90 additions and 1 deletions
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91
src/freedreno/common/freedreno_devices.py
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@ -1431,8 +1431,28 @@ add_gpus([
a8xx_base = GPUProps(
has_dp2acc = False,
reg_size_vec4 = 96,
)
a8xx_gen2 = GPUProps(
reg_size_vec4 = 128,
sysmem_vpc_attr_buf_size = 131072,
sysmem_vpc_pos_buf_size = 65536,
sysmem_vpc_bv_pos_buf_size = 32768,
sysmem_ccu_color_cache_fraction = CCUColorCacheFraction.FULL.value,
sysmem_per_ccu_color_cache_size = 128 * 1024,
sysmem_ccu_depth_cache_fraction = CCUColorCacheFraction.THREE_QUARTER.value,
sysmem_per_ccu_depth_cache_size = 192 * 1024,
gmem_vpc_attr_buf_size = 49152,
gmem_vpc_pos_buf_size = 24576,
gmem_vpc_bv_pos_buf_size = 32768,
gmem_ccu_color_cache_fraction = CCUColorCacheFraction.EIGHTH.value,
gmem_per_ccu_color_cache_size = 16 * 1024,
gmem_ccu_depth_cache_fraction = CCUColorCacheFraction.FULL.value,
gmem_per_ccu_depth_cache_size = 256 * 1024,
has_fs_tex_prefetch = False,
)
# Totally fake, just to get cffdump to work:
add_gpus([
GPUId(chip_id=0x44050000, name="FD830"),
@ -1448,13 +1468,82 @@ add_gpus([
cs_shared_mem_size = 32 * 1024,
wave_granularity = 2,
fibers_per_sp = 128 * 2 * 16,
highest_bank_bit = 16,
magic_regs = dict(
),
raw_magic_regs = [
],
))
# For a8xx, the chicken bit and most other non-ctx reg
# programming moves into the kernel, and what remains
# should be easier to share between devices
a8xx_gen2_raw_magic_regs = [
[A6XXRegs.REG_A8XX_GRAS_UNKNOWN_8228, 0x00000000],
[A6XXRegs.REG_A8XX_GRAS_UNKNOWN_8229, 0x00000000],
[A6XXRegs.REG_A8XX_GRAS_UNKNOWN_822A, 0x00000000],
[A6XXRegs.REG_A8XX_GRAS_UNKNOWN_822B, 0x00000000],
[A6XXRegs.REG_A8XX_GRAS_UNKNOWN_822C, 0x00000000],
[A6XXRegs.REG_A8XX_GRAS_UNKNOWN_822D, 0x00000000],
[A6XXRegs.REG_A6XX_RB_UNKNOWN_8818, 0x00000000],
[A6XXRegs.REG_A6XX_RB_UNKNOWN_8819, 0x00000000],
[A6XXRegs.REG_A6XX_RB_UNKNOWN_881A, 0x00000000],
[A6XXRegs.REG_A6XX_RB_UNKNOWN_881B, 0x00000000],
[A6XXRegs.REG_A6XX_RB_UNKNOWN_881C, 0x00000000],
[A6XXRegs.REG_A6XX_RB_UNKNOWN_881D, 0x00000000],
[A6XXRegs.REG_A6XX_RB_UNKNOWN_881E, 0x00000000],
[A6XXRegs.REG_A7XX_RB_LRZ_CNTL2, 0x00000000],
[A6XXRegs.REG_A8XX_RB_RESOLVE_CNTL_5, 0x00000001],
[A6XXRegs.REG_A7XX_SP_UNKNOWN_AB01, 0x00000001],
[A6XXRegs.REG_A7XX_SP_HLSQ_MODE_CNTL, 0x00000000],
[A6XXRegs.REG_A8XX_SP_UNKNOWN_AB23, 0x00000000],
[A6XXRegs.REG_A6XX_TPL1_PS_ROTATION_CNTL, 0x00000004],
[A6XXRegs.REG_A6XX_TPL1_PS_SWIZZLE_CNTL, 0x00000000],
[A6XXRegs.REG_A8XX_VPC_UNKNOWN_9313, 0x00000000],
[A6XXRegs.REG_A8XX_PC_UNKNOWN_980B, 0x00800280],
[A6XXRegs.REG_A8XX_PC_MODE_CNTL, 0x00003f00],
]
add_gpus([
GPUId(chip_id=0xffff44050A31, name="Adreno (TM) 840"),
], A6xxGPUInfo(
CHIP.A8XX,
[a7xx_base, a7xx_gen3, a8xx_base, a8xx_gen2],
num_ccu = 6,
tile_align_w = 96,
tile_align_h = 32,
tile_max_w = 16416,
tile_max_h = 16384,
num_vsc_pipes = 32,
cs_shared_mem_size = 32 * 1024,
wave_granularity = 2,
fibers_per_sp = 128 * 2 * 16,
magic_regs = dict(),
raw_magic_regs = a8xx_gen2_raw_magic_regs,
))
add_gpus([
GPUId(chip_id=0xffff44070041, name="Adreno (TM) X2-85"),
], A6xxGPUInfo(
CHIP.A8XX,
[a7xx_base, a7xx_gen3, a8xx_base, a8xx_gen2],
num_ccu = 8,
tile_align_w = 64,
tile_align_h = 64,
tile_max_w = 16384,
tile_max_h = 16384,
num_vsc_pipes = 32,
cs_shared_mem_size = 32 * 1024,
wave_granularity = 2,
fibers_per_sp = 128 * 2 * 16,
magic_regs = dict(),
raw_magic_regs = a8xx_gen2_raw_magic_regs,
))
template = """\
/* Copyright © 2021 Google, Inc.
*