diff options
| author | Michal Wajdeczko <michal.wajdeczko@intel.com> | 2024-06-19 23:45:54 +0200 |
|---|---|---|
| committer | Michal Wajdeczko <michal.wajdeczko@intel.com> | 2024-06-20 19:49:40 +0200 |
| commit | ecab82af27873336e2a1655dd09e2a3fc41d1c10 (patch) | |
| tree | fcd8ee14de2a8b7f1df31e52fed7f5a1b97f0452 /drivers/gpu/drm/xe/xe_gt_idle.c | |
| parent | 5aa326f52872b25906d7dca8e0c4f7e6c597f40f (diff) | |
drm/xe/vf: Don't support gtidle if VF
VF drivers can't access any of gtidle control registers as this
functionality is owned by the PF driver.
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Piotr Piórkowski <piotr.piorkowski@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240619214557.905-7-michal.wajdeczko@intel.com
Diffstat (limited to 'drivers/gpu/drm/xe/xe_gt_idle.c')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_gt_idle.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_gt_idle.c b/drivers/gpu/drm/xe/xe_gt_idle.c index 5d6181117ab2..67aba4140510 100644 --- a/drivers/gpu/drm/xe/xe_gt_idle.c +++ b/drivers/gpu/drm/xe/xe_gt_idle.c @@ -15,6 +15,7 @@ #include "xe_macros.h" #include "xe_mmio.h" #include "xe_pm.h" +#include "xe_sriov.h" /** * DOC: Xe GT Idle @@ -100,6 +101,9 @@ void xe_gt_idle_enable_pg(struct xe_gt *gt) u32 pg_enable; int i, j; + if (IS_SRIOV_VF(xe)) + return; + /* Disable CPG for PVC */ if (xe->info.platform == XE_PVC) return; @@ -130,6 +134,9 @@ void xe_gt_idle_enable_pg(struct xe_gt *gt) void xe_gt_idle_disable_pg(struct xe_gt *gt) { + if (IS_SRIOV_VF(gt_to_xe(gt))) + return; + xe_device_assert_mem_access(gt_to_xe(gt)); XE_WARN_ON(xe_force_wake_get(gt_to_fw(gt), XE_FW_GT)); @@ -214,6 +221,9 @@ int xe_gt_idle_init(struct xe_gt_idle *gtidle) struct kobject *kobj; int err; + if (IS_SRIOV_VF(xe)) + return 0; + kobj = kobject_create_and_add("gtidle", gt->sysfs); if (!kobj) return -ENOMEM; @@ -246,6 +256,9 @@ void xe_gt_idle_enable_c6(struct xe_gt *gt) xe_device_assert_mem_access(gt_to_xe(gt)); xe_force_wake_assert_held(gt_to_fw(gt), XE_FW_GT); + if (IS_SRIOV_VF(gt_to_xe(gt))) + return; + /* Units of 1280 ns for a total of 5s */ xe_mmio_write32(gt, RC_IDLE_HYSTERSIS, 0x3B9ACA); /* Enable RC6 */ @@ -258,6 +271,9 @@ void xe_gt_idle_disable_c6(struct xe_gt *gt) xe_device_assert_mem_access(gt_to_xe(gt)); xe_force_wake_assert_held(gt_to_fw(gt), XE_FW_GT); + if (IS_SRIOV_VF(gt_to_xe(gt))) + return; + xe_mmio_write32(gt, RC_CONTROL, 0); xe_mmio_write32(gt, RC_STATE, 0); } |