diff options
Diffstat (limited to 'drivers/gpu/drm/xe/xe_gt.c')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_gt.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_gt.c b/drivers/gpu/drm/xe/xe_gt.c index 57d84751e160..759634cff1d8 100644 --- a/drivers/gpu/drm/xe/xe_gt.c +++ b/drivers/gpu/drm/xe/xe_gt.c @@ -9,6 +9,7 @@ #include <drm/drm_managed.h> #include <drm/xe_drm.h> +#include <generated/xe_wa_oob.h> #include "instructions/xe_gfxpipe_commands.h" #include "instructions/xe_mi_commands.h" @@ -54,6 +55,7 @@ #include "xe_sriov.h" #include "xe_tuning.h" #include "xe_uc.h" +#include "xe_uc_fw.h" #include "xe_vm.h" #include "xe_wa.h" #include "xe_wopcm.h" @@ -678,6 +680,9 @@ static int do_gt_restart(struct xe_gt *gt) /* Get CCS mode in sync between sw/hw */ xe_gt_apply_ccs_mode(gt); + /* Restore GT freq to expected values */ + xe_gt_sanitize_freq(gt); + return 0; } @@ -801,6 +806,25 @@ err_msg: return err; } +/** + * xe_gt_sanitize_freq() - Restore saved frequencies if necessary. + * @gt: the GT object + * + * Called after driver init/GSC load completes to restore GT frequencies if we + * limited them for any WAs. + */ +int xe_gt_sanitize_freq(struct xe_gt *gt) +{ + int ret = 0; + + if ((!xe_uc_fw_is_available(>->uc.gsc.fw) || + xe_uc_fw_is_loaded(>->uc.gsc.fw)) && + XE_WA(gt, 22019338487)) + ret = xe_guc_pc_restore_stashed_freq(>->uc.guc.pc); + + return ret; +} + int xe_gt_resume(struct xe_gt *gt) { int err; |