From: Alex Deucher Date: Fri, 16 Jun 2023 21:07:53 +0000 (-0400) Subject: drm/amdgpu: enable mcbp by default on gfx9 X-Git-Tag: Ubuntu-6.5.0-9.9~2234^2~2^2~20 X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=50a7c8765ca69543ffdbf855de0fd69aea769ccf;p=mirror_ubuntu-kernels.git drm/amdgpu: enable mcbp by default on gfx9 It's required for high priority queues. Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2535 Reviewed-and-tested-by: Jiadong Zhu Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index a700fe09b9da..a92c6189b4b6 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -3678,6 +3678,11 @@ static void amdgpu_device_set_mcbp(struct amdgpu_device *adev) if (amdgpu_mcbp == 1) adev->gfx.mcbp = true; + if ((adev->ip_versions[GC_HWIP][0] >= IP_VERSION(9, 0, 0)) && + (adev->ip_versions[GC_HWIP][0] < IP_VERSION(10, 0, 0)) && + adev->gfx.num_gfx_rings) + adev->gfx.mcbp = true; + if (amdgpu_sriov_vf(adev)) adev->gfx.mcbp = true; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index 2483950d06ea..0593ef8fe0a6 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -180,7 +180,7 @@ uint amdgpu_dc_feature_mask = 2; uint amdgpu_dc_debug_mask; uint amdgpu_dc_visual_confirm; int amdgpu_async_gfx_ring = 1; -int amdgpu_mcbp; +int amdgpu_mcbp = -1; int amdgpu_discovery = -1; int amdgpu_mes; int amdgpu_mes_kiq; @@ -634,10 +634,10 @@ module_param_named(async_gfx_ring, amdgpu_async_gfx_ring, int, 0444); /** * DOC: mcbp (int) - * It is used to enable mid command buffer preemption. (0 = disabled (default), 1 = enabled) + * It is used to enable mid command buffer preemption. (0 = disabled, 1 = enabled, -1 auto (default)) */ MODULE_PARM_DESC(mcbp, - "Enable Mid-command buffer preemption (0 = disabled (default), 1 = enabled)"); + "Enable Mid-command buffer preemption (0 = disabled, 1 = enabled), -1 = auto (default)"); module_param_named(mcbp, amdgpu_mcbp, int, 0444); /**