diff options
| author | Matt Roper <matthew.d.roper@intel.com> | 2024-01-27 01:06:14 +0300 |
|---|---|---|
| committer | Matt Roper <matthew.d.roper@intel.com> | 2024-01-29 19:55:05 +0300 |
| commit | 9f5971bdf78e0937206556534247243ad56cd735 (patch) | |
| tree | cfba5be38ca7bf9452c8990e9223eb1f05ddd89c /drivers/gpu/drm/xe/xe_guc_pc.c | |
| parent | 348769d1cbfab409b9ac21c653dd4db609760175 (diff) | |
| download | linux-9f5971bdf78e0937206556534247243ad56cd735.tar.xz | |
drm/xe: Grab mem_access when disabling C6 on skip_guc_pc platforms
If skip_guc_pc is set for a platform, C6 is disabled directly without
acquiring a mem_access reference, triggering an assertion inside
xe_gt_idle_disable_c6.
Fixes: 975e4a3795d4 ("drm/xe: Manually setup C6 when skip_guc_pc is set")
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Vinay Belgaumkar <vinay.belgaumkar@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240126220613.865939-2-matthew.d.roper@intel.com
Diffstat (limited to 'drivers/gpu/drm/xe/xe_guc_pc.c')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_guc_pc.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_guc_pc.c b/drivers/gpu/drm/xe/xe_guc_pc.c index f71085228cb3..d91702592520 100644 --- a/drivers/gpu/drm/xe/xe_guc_pc.c +++ b/drivers/gpu/drm/xe/xe_guc_pc.c @@ -963,7 +963,9 @@ void xe_guc_pc_fini(struct xe_guc_pc *pc) struct xe_device *xe = pc_to_xe(pc); if (xe->info.skip_guc_pc) { + xe_device_mem_access_get(xe); xe_gt_idle_disable_c6(pc_to_gt(pc)); + xe_device_mem_access_put(xe); return; } |