diff options
| author | Michal Wajdeczko <[email protected]> | 2024-06-14 12:14:15 +0200 |
|---|---|---|
| committer | Michal Wajdeczko <[email protected]> | 2024-06-14 23:26:26 +0200 |
| commit | 97fedf015cd908bf4d200b7e510bb6dd93150206 (patch) | |
| tree | 06add7a3997194e021a3b3bfe439f91e0bbd87a1 | |
| parent | de8390b101b2b37cdbab5bc91a47f69c2b1df6b0 (diff) | |
drm/xe: Use fixed CCS mode when running in SR-IOV mode
We don't support changing CCS mode when running in SR-IOV mode yet.
When running as a PF driver just apply default ccs_mode=1 that VF
drivers will assume as already applied and fixed.
Signed-off-by: Michal Wajdeczko <[email protected]>
Cc: Lucas De Marchi <[email protected]>
Reviewed-by: Lucas De Marchi <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
| -rw-r--r-- | drivers/gpu/drm/xe/xe_gt_ccs_mode.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/gpu/drm/xe/xe_gt_ccs_mode.c b/drivers/gpu/drm/xe/xe_gt_ccs_mode.c index 5d4cdbd69bc3..d2e4dc3aaf61 100644 --- a/drivers/gpu/drm/xe/xe_gt_ccs_mode.c +++ b/drivers/gpu/drm/xe/xe_gt_ccs_mode.c @@ -12,6 +12,7 @@ #include "xe_gt_printk.h" #include "xe_gt_sysfs.h" #include "xe_mmio.h" +#include "xe_sriov.h" static void __xe_gt_apply_ccs_mode(struct xe_gt *gt, u32 num_engines) { @@ -75,7 +76,7 @@ static void __xe_gt_apply_ccs_mode(struct xe_gt *gt, u32 num_engines) void xe_gt_apply_ccs_mode(struct xe_gt *gt) { - if (!gt->ccs_mode) + if (!gt->ccs_mode || IS_SRIOV_VF(gt_to_xe(gt))) return; __xe_gt_apply_ccs_mode(gt, gt->ccs_mode); @@ -110,6 +111,12 @@ ccs_mode_store(struct device *kdev, struct device_attribute *attr, u32 num_engines, num_slices; int ret; + if (IS_SRIOV(xe)) { + xe_gt_dbg(gt, "Can't change compute mode when running as %s\n", + xe_sriov_mode_to_string(xe_device_sriov_mode(xe))); + return -EOPNOTSUPP; + } + ret = kstrtou32(buff, 0, &num_engines); if (ret) return ret; |