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drm/amdgpu: init gds for aldebaran

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aldebaran removed gds internal memory for atomic usage.
it only supports gws opcode in kernel like barrier,
semaphore.etc. there won't be usage of gds in either
kernel or pm4 packet. max_wave_id should also be marked
as deprecated for aldebaran.

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Hawking Zhang
2020-11-16 15:54:36 +08:00
committed by Alex Deucher
parent 147d082d38
commit 18c3d45a9a
1 changed files with 10 additions and 0 deletions
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10
drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
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@@ -6977,6 +6977,12 @@ static void gfx_v9_0_set_gds_init(struct amdgpu_device *adev)
case CHIP_ARCTURUS:
adev->gds.gds_size = 0x1000;
break;
case CHIP_ALDEBARAN:
/* aldebaran removed all the GDS internal memory,
* only support GWS opcode in kernel, like barrier
* semaphore.etc */
adev->gds.gds_size = 0;
break;
default:
adev->gds.gds_size = 0x10000;
break;
@@ -6999,6 +7005,10 @@ static void gfx_v9_0_set_gds_init(struct amdgpu_device *adev)
case CHIP_ARCTURUS:
adev->gds.gds_compute_max_wave_id = 0xfff;
break;
case CHIP_ALDEBARAN:
/* deprecated for Aldebaran, no usage at all */
adev->gds.gds_compute_max_wave_id = 0;
break;
default:
/* this really depends on the chip */
adev->gds.gds_compute_max_wave_id = 0x7ff;