diff options
| author | Michal Wajdeczko | 2019-03-21 13:00:04 +0100 |
|---|---|---|
| committer | Chris Wilson | 2019-03-24 12:31:47 +0100 |
| commit | 47c3b5e9b38b9da8db62d8c354be722852ea9d83 (patch) | |
| tree | 82bc6fd24d04471d92a017fcac745e42e86386a5 /drivers/gpu/drm/i915/intel_guc_ct.c | |
| parent | drm/i915: always pin hw_id for GVT context (diff) | |
| download | kernel-qcow2-linux-47c3b5e9b38b9da8db62d8c354be722852ea9d83.tar.gz kernel-qcow2-linux-47c3b5e9b38b9da8db62d8c354be722852ea9d83.tar.xz kernel-qcow2-linux-47c3b5e9b38b9da8db62d8c354be722852ea9d83.zip | |
drm/i915/guc: Support for extended GuC notification messages
GuC may send notification messages with payload larger than
single u32. Prepare driver to accept longer messages.
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Vinay Belgaumkar <vinay.belgaumkar@intel.com>
Cc: Michal Winiarski <michal.winiarski@intel.com>
Cc: Tomasz Lis <tomasz.lis@intel.com>
Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20190321120004.53012-1-michal.wajdeczko@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_guc_ct.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_guc_ct.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_guc_ct.c b/drivers/gpu/drm/i915/intel_guc_ct.c index 79ddb8088311..dde1dc0d6e69 100644 --- a/drivers/gpu/drm/i915/intel_guc_ct.c +++ b/drivers/gpu/drm/i915/intel_guc_ct.c @@ -701,14 +701,15 @@ static void ct_process_request(struct intel_guc_ct *ct, u32 action, u32 len, const u32 *payload) { struct intel_guc *guc = ct_to_guc(ct); + int ret; CT_DEBUG_DRIVER("CT: request %x %*ph\n", action, 4 * len, payload); switch (action) { case INTEL_GUC_ACTION_DEFAULT: - if (unlikely(len < 1)) + ret = intel_guc_to_host_process_recv_msg(guc, payload, len); + if (unlikely(ret)) goto fail_unexpected; - intel_guc_to_host_process_recv_msg(guc, *payload); break; default: |