diff options
| author | Michal Wajdeczko <michal.wajdeczko@intel.com> | 2018-03-26 19:48:20 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2018-03-28 20:35:11 +0100 |
| commit | e09af3a6a62dfe0a9c4bc931c81447a3969177fb (patch) | |
| tree | 4ba9125aaffe17249afaf44e32900363887d4b77 /drivers/gpu/drm/i915/intel_guc.h | |
| parent | b839a869dfc9f01aab72c5dd26cb7a7f2e264201 (diff) | |
drm/i915/guc: Prepare send() function to accept bigger response
This is a preparation step for the upcoming patches.
We already can return some small data decoded from the command
status, but we will need more in the future.
v2: add explicit response buf size
v3: squash with helper patch
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Oscar Mateo <oscar.mateo@intel.com>
Cc: Michel Thierry <michel.thierry@intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Reviewed-by: Michel Thierry <michel.thierry@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20180326194829.58836-4-michal.wajdeczko@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_guc.h')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_guc.h | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/intel_guc.h b/drivers/gpu/drm/i915/intel_guc.h index 13f3d1dbf38d..7ee0732d8b79 100644 --- a/drivers/gpu/drm/i915/intel_guc.h +++ b/drivers/gpu/drm/i915/intel_guc.h @@ -88,7 +88,8 @@ struct intel_guc { struct mutex send_mutex; /* GuC's FW specific send function */ - int (*send)(struct intel_guc *guc, const u32 *data, u32 len); + int (*send)(struct intel_guc *guc, const u32 *data, u32 len, + u32 *response_buf, u32 response_buf_size); /* GuC's FW specific notify function */ void (*notify)(struct intel_guc *guc); @@ -97,7 +98,14 @@ struct intel_guc { static inline int intel_guc_send(struct intel_guc *guc, const u32 *action, u32 len) { - return guc->send(guc, action, len); + return guc->send(guc, action, len, NULL, 0); +} + +static inline int +intel_guc_send_and_receive(struct intel_guc *guc, const u32 *action, u32 len, + u32 *response_buf, u32 response_buf_size) +{ + return guc->send(guc, action, len, response_buf, response_buf_size); } static inline void intel_guc_notify(struct intel_guc *guc) @@ -140,8 +148,10 @@ int intel_guc_init_wq(struct intel_guc *guc); void intel_guc_fini_wq(struct intel_guc *guc); int intel_guc_init(struct intel_guc *guc); void intel_guc_fini(struct intel_guc *guc); -int intel_guc_send_nop(struct intel_guc *guc, const u32 *action, u32 len); -int intel_guc_send_mmio(struct intel_guc *guc, const u32 *action, u32 len); +int intel_guc_send_nop(struct intel_guc *guc, const u32 *action, u32 len, + u32 *response_buf, u32 response_buf_size); +int intel_guc_send_mmio(struct intel_guc *guc, const u32 *action, u32 len, + u32 *response_buf, u32 response_buf_size); void intel_guc_to_host_event_handler(struct intel_guc *guc); int intel_guc_sample_forcewake(struct intel_guc *guc); int intel_guc_auth_huc(struct intel_guc *guc, u32 rsa_offset); |