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| author | Michal Wajdeczko <michal.wajdeczko@intel.com> | 2018-03-26 21:48:20 +0200 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2018-03-28 21:35:11 +0200 |
| commit | e09af3a6a62dfe0a9c4bc931c81447a3969177fb (patch) | |
| tree | 4ba9125aaffe17249afaf44e32900363887d4b77 /drivers/gpu/drm/i915/intel_guc.c | |
| parent | drm/i915/guc: Add support for data reporting in GuC responses (diff) | |
| download | linux-e09af3a6a62dfe0a9c4bc931c81447a3969177fb.tar.xz linux-e09af3a6a62dfe0a9c4bc931c81447a3969177fb.zip | |
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.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_guc.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_guc.c b/drivers/gpu/drm/i915/intel_guc.c index 1af32a0648db..ba5a962ca3d4 100644 --- a/drivers/gpu/drm/i915/intel_guc.c +++ b/drivers/gpu/drm/i915/intel_guc.c @@ -310,7 +310,8 @@ void intel_guc_init_params(struct intel_guc *guc) intel_uncore_forcewake_put(dev_priv, FORCEWAKE_BLITTER); } -int intel_guc_send_nop(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) { WARN(1, "Unexpected send: action=%#x\n", *action); return -ENODEV; @@ -319,7 +320,8 @@ int intel_guc_send_nop(struct intel_guc *guc, const u32 *action, u32 len) /* * This function implements the MMIO based host to GuC interface. */ -int intel_guc_send_mmio(struct intel_guc *guc, const u32 *action, u32 len) +int intel_guc_send_mmio(struct intel_guc *guc, const u32 *action, u32 len, + u32 *response_buf, u32 response_buf_size) { struct drm_i915_private *dev_priv = guc_to_i915(guc); u32 status; |