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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_ct.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_ct.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_guc_ct.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/intel_guc_ct.c b/drivers/gpu/drm/i915/intel_guc_ct.c index fa522594d716..a54bf58c64ab 100644 --- a/drivers/gpu/drm/i915/intel_guc_ct.c +++ b/drivers/gpu/drm/i915/intel_guc_ct.c @@ -88,7 +88,7 @@ static int guc_action_register_ct_buffer(struct intel_guc *guc, int err; /* Can't use generic send(), CT registration must go over MMIO */ - err = intel_guc_send_mmio(guc, action, ARRAY_SIZE(action)); + err = intel_guc_send_mmio(guc, action, ARRAY_SIZE(action), NULL, 0); if (err) DRM_ERROR("CT: register %s buffer failed; err=%d\n", guc_ct_buffer_type_to_str(type), err); @@ -107,7 +107,7 @@ static int guc_action_deregister_ct_buffer(struct intel_guc *guc, int err; /* Can't use generic send(), CT deregistration must go over MMIO */ - err = intel_guc_send_mmio(guc, action, ARRAY_SIZE(action)); + err = intel_guc_send_mmio(guc, action, ARRAY_SIZE(action), NULL, 0); if (err) DRM_ERROR("CT: deregister %s buffer failed; owner=%d err=%d\n", guc_ct_buffer_type_to_str(type), owner, err); @@ -408,7 +408,8 @@ static int ctch_send(struct intel_guc *guc, /* * Command Transport (CT) buffer based GuC send function. */ -static int intel_guc_send_ct(struct intel_guc *guc, const u32 *action, u32 len) +static int intel_guc_send_ct(struct intel_guc *guc, const u32 *action, u32 len, + u32 *response_buf, u32 response_buf_size) { struct intel_guc_ct_channel *ctch = &guc->ct.host_channel; u32 status = ~0; /* undefined */ |