From 18c3d45a9ae9789067f928b935d027f32f728ef2 Mon Sep 17 00:00:00 2001 From: Hawking Zhang Date: Mon, 16 Nov 2020 15:54:36 +0800 Subject: [PATCH] drm/amdgpu: init gds for aldebaran 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 Reviewed-by: Feifei Xu Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c index 3cd7ce0..3547cbd 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c @@ -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; -- 2.7.4