<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=us-ascii"> </head> <body> [AMD Official Use Only - AMD Internal Distribution Only] <div> <div dir="auto">Reviewed-by: Vignesh.Chander@amd.com </div> <div dir="auto">Verified-by: Vignesh.Chander@amd.com </div> <div> </div> <div id="ms-outlook-mobile-signature" dir="auto"></div> <hr style="display:inline-block;width:98%" tabindex="-1"> <div id="divRplyFwdMsg" dir="ltr">From: Lijo Lazar <lijo.lazar@amd.com> Sent: Tuesday, September 24, 2024 2:02:50 AM To: amd-gfx@lists.freedesktop.org <amd-gfx@lists.freedesktop.org> Cc: Zhang, Hawking <Hawking.Zhang@amd.com>; Deucher, Alexander <Alexander.Deucher@amd.com>; Chander, Vignesh <Vignesh.Chander@amd.com> Subject: [PATCH 2/2] drm/amdgpu: Show current compute partition on VF <div> </div> </div> <div class="BodyFragment"> <div class="PlainText">Enable sysfs node for current compute partition mode on VFs also. Signed-off-by: Lijo Lazar <lijo.lazar@amd.com> --- drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c | 29 +++++++++++++++++++++++-- drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c | 12 ++++------ 2 files changed, 31 insertions(+), 10 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c index 299c4461b606..fdc9656efdd3 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c @@ -1612,21 +1612,46 @@ static DEVICE_ATTR(available_compute_partition, 0444, int amdgpu_gfx_sysfs_init(struct amdgpu_device *adev) { + struct amdgpu_xcp_mgr *xcp_mgr = adev->xcp_mgr; + bool xcp_switch_supported; int r; + if (!xcp_mgr) + return 0; + + xcp_switch_supported = + (xcp_mgr->funcs && xcp_mgr->funcs->switch_partition_mode); + + if (!xcp_switch_supported) + dev_attr_current_compute_partition.attr.mode &= + ~(S_IWUSR | S_IWGRP | S_IWOTH); + r = device_create_file(adev->dev, &dev_attr_current_compute_partition); if (r) return r; - r = device_create_file(adev->dev, &dev_attr_available_compute_partition); + if (xcp_switch_supported) + r = device_create_file(adev->dev, + &dev_attr_available_compute_partition); return r; } void amdgpu_gfx_sysfs_fini(struct amdgpu_device *adev) { + struct amdgpu_xcp_mgr *xcp_mgr = adev->xcp_mgr; + bool xcp_switch_supported; + + if (!xcp_mgr) + return; + + xcp_switch_supported = + (xcp_mgr->funcs && xcp_mgr->funcs->switch_partition_mode); device_remove_file(adev->dev, &dev_attr_current_compute_partition); - device_remove_file(adev->dev, &dev_attr_available_compute_partition); + + if (xcp_switch_supported) + device_remove_file(adev->dev, + &dev_attr_available_compute_partition); } int amdgpu_gfx_sysfs_isolation_shader_init(struct amdgpu_device *adev) diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c index c100845409f7..52322ca754c5 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c @@ -1165,12 +1165,9 @@ static int gfx_v9_4_3_sw_init(void *handle) if (r) return r; - - if (!amdgpu_sriov_vf(adev)) { - r = amdgpu_gfx_sysfs_init(adev); - if (r) - return r; - } + r = amdgpu_gfx_sysfs_init(adev); + if (r) + return r; gfx_v9_4_3_alloc_ip_dump(adev); @@ -1201,8 +1198,7 @@ static int gfx_v9_4_3_sw_fini(void *handle) gfx_v9_4_3_mec_fini(adev); amdgpu_bo_unref(&adev->gfx.rlc.clear_state_obj); gfx_v9_4_3_free_microcode(adev); - if (!amdgpu_sriov_vf(adev)) - amdgpu_gfx_sysfs_fini(adev); + amdgpu_gfx_sysfs_fini(adev); amdgpu_gfx_sysfs_isolation_shader_fini(adev); kfree(adev->gfx.ip_dump_core); -- 2.25.1 </div> </div> </div> </body> </html>