diff options
| -rw-r--r-- | drivers/gpu/drm/xe/xe_gt.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/xe/xe_gt_sriov_pf.c | 12 | ||||
| -rw-r--r-- | drivers/gpu/drm/xe/xe_gt_sriov_pf.h | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/xe/xe_gt_sriov_pf_config.c | 30 | ||||
| -rw-r--r-- | drivers/gpu/drm/xe/xe_gt_sriov_pf_config.h | 2 |
5 files changed, 52 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_gt.c b/drivers/gpu/drm/xe/xe_gt.c index 759634cff1d8..29e8ea94d05e 100644 --- a/drivers/gpu/drm/xe/xe_gt.c +++ b/drivers/gpu/drm/xe/xe_gt.c @@ -683,6 +683,9 @@ static int do_gt_restart(struct xe_gt *gt) /* Restore GT freq to expected values */ xe_gt_sanitize_freq(gt); + if (IS_SRIOV_PF(gt_to_xe(gt))) + xe_gt_sriov_pf_restart(gt); + return 0; } diff --git a/drivers/gpu/drm/xe/xe_gt_sriov_pf.c b/drivers/gpu/drm/xe/xe_gt_sriov_pf.c index 7decf71c2b7d..9dbba9ab7a9a 100644 --- a/drivers/gpu/drm/xe/xe_gt_sriov_pf.c +++ b/drivers/gpu/drm/xe/xe_gt_sriov_pf.c @@ -8,6 +8,7 @@ #include "regs/xe_sriov_regs.h" #include "xe_gt_sriov_pf.h" +#include "xe_gt_sriov_pf_config.h" #include "xe_gt_sriov_pf_helpers.h" #include "xe_gt_sriov_pf_service.h" #include "xe_mmio.h" @@ -82,3 +83,14 @@ void xe_gt_sriov_pf_init_hw(struct xe_gt *gt) xe_gt_sriov_pf_service_update(gt); } + +/** + * xe_gt_sriov_pf_restart - Restart SR-IOV support after a GT reset. + * @gt: the &xe_gt + * + * This function can only be called on PF. + */ +void xe_gt_sriov_pf_restart(struct xe_gt *gt) +{ + xe_gt_sriov_pf_config_restart(gt); +} diff --git a/drivers/gpu/drm/xe/xe_gt_sriov_pf.h b/drivers/gpu/drm/xe/xe_gt_sriov_pf.h index 37d7d6c3df03..f0cb726a6919 100644 --- a/drivers/gpu/drm/xe/xe_gt_sriov_pf.h +++ b/drivers/gpu/drm/xe/xe_gt_sriov_pf.h @@ -11,6 +11,7 @@ struct xe_gt; #ifdef CONFIG_PCI_IOV int xe_gt_sriov_pf_init_early(struct xe_gt *gt); void xe_gt_sriov_pf_init_hw(struct xe_gt *gt); +void xe_gt_sriov_pf_restart(struct xe_gt *gt); #else static inline int xe_gt_sriov_pf_init_early(struct xe_gt *gt) { @@ -20,6 +21,10 @@ static inline int xe_gt_sriov_pf_init_early(struct xe_gt *gt) static inline void xe_gt_sriov_pf_init_hw(struct xe_gt *gt) { } + +static inline void xe_gt_sriov_pf_restart(struct xe_gt *gt) +{ +} #endif #endif diff --git a/drivers/gpu/drm/xe/xe_gt_sriov_pf_config.c b/drivers/gpu/drm/xe/xe_gt_sriov_pf_config.c index 810b579a0025..db6c213da847 100644 --- a/drivers/gpu/drm/xe/xe_gt_sriov_pf_config.c +++ b/drivers/gpu/drm/xe/xe_gt_sriov_pf_config.c @@ -1971,6 +1971,36 @@ bool xe_gt_sriov_pf_config_is_empty(struct xe_gt *gt, unsigned int vfid) } /** + * xe_gt_sriov_pf_config_restart - Restart SR-IOV configurations after a GT reset. + * @gt: the &xe_gt + * + * Any prior configurations pushed to GuC are lost when the GT is reset. + * Push again all non-empty VF configurations to the GuC. + * + * This function can only be called on PF. + */ +void xe_gt_sriov_pf_config_restart(struct xe_gt *gt) +{ + unsigned int n, total_vfs = xe_sriov_pf_get_totalvfs(gt_to_xe(gt)); + unsigned int fail = 0, skip = 0; + + for (n = 1; n <= total_vfs; n++) { + if (xe_gt_sriov_pf_config_is_empty(gt, n)) + skip++; + else if (xe_gt_sriov_pf_config_push(gt, n, false)) + fail++; + } + + if (fail) + xe_gt_sriov_notice(gt, "Failed to push %u of %u VF%s configurations\n", + fail, total_vfs - skip, str_plural(total_vfs)); + + if (fail != total_vfs) + xe_gt_sriov_dbg(gt, "pushed %u skip %u of %u VF%s configurations\n", + total_vfs - skip - fail, skip, total_vfs, str_plural(total_vfs)); +} + +/** * xe_gt_sriov_pf_config_print_ggtt - Print GGTT configurations. * @gt: the &xe_gt * @p: the &drm_printer diff --git a/drivers/gpu/drm/xe/xe_gt_sriov_pf_config.h b/drivers/gpu/drm/xe/xe_gt_sriov_pf_config.h index 58c8f879d7ab..c0e6e4743dc2 100644 --- a/drivers/gpu/drm/xe/xe_gt_sriov_pf_config.h +++ b/drivers/gpu/drm/xe/xe_gt_sriov_pf_config.h @@ -55,6 +55,8 @@ int xe_gt_sriov_pf_config_push(struct xe_gt *gt, unsigned int vfid, bool refresh bool xe_gt_sriov_pf_config_is_empty(struct xe_gt *gt, unsigned int vfid); +void xe_gt_sriov_pf_config_restart(struct xe_gt *gt); + int xe_gt_sriov_pf_config_print_ggtt(struct xe_gt *gt, struct drm_printer *p); int xe_gt_sriov_pf_config_print_ctxs(struct xe_gt *gt, struct drm_printer *p); int xe_gt_sriov_pf_config_print_dbs(struct xe_gt *gt, struct drm_printer *p); |