diff options
author | Michal Wajdeczko <michal.wajdeczko@intel.com> | 2018-03-26 19:48:22 +0000 |
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committer | Chris Wilson <chris@chris-wilson.co.uk> | 2018-03-28 20:35:13 +0100 |
commit | 769bfbf943235c8c54e189a0d12bf8d3195af0c5 (patch) | |
tree | 42938bf89f27a648dda23043c9ada056c78c065a /drivers/gpu/drm/i915/intel_guc.c | |
parent | f6a70b59705109edb935674d36a5065fe2a5b4ad (diff) | |
download | linux-769bfbf943235c8c54e189a0d12bf8d3195af0c5.tar.bz2 |
drm/i915/guc: Make event handler a virtual function
On platforms with CTB based GuC communications, we will handle
GuC events in a different way. Let's make event handler a virtual
function to allow easy switch between those variants.
Credits-to: Oscar Mateo <oscar.mateo@intel.com>
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Oscar Mateo <oscar.mateo@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/20180326194829.58836-6-michal.wajdeczko@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_guc.c')
-rw-r--r-- | drivers/gpu/drm/i915/intel_guc.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_guc.c b/drivers/gpu/drm/i915/intel_guc.c index b83a5ad9cb79..411c8e910583 100644 --- a/drivers/gpu/drm/i915/intel_guc.c +++ b/drivers/gpu/drm/i915/intel_guc.c @@ -69,6 +69,7 @@ void intel_guc_init_early(struct intel_guc *guc) mutex_init(&guc->send_mutex); spin_lock_init(&guc->irq_lock); guc->send = intel_guc_send_nop; + guc->handler = intel_guc_to_host_event_handler_nop; guc->notify = gen8_guc_raise_irq; } @@ -317,6 +318,11 @@ int intel_guc_send_nop(struct intel_guc *guc, const u32 *action, u32 len, return -ENODEV; } +void intel_guc_to_host_event_handler_nop(struct intel_guc *guc) +{ + WARN(1, "Unexpected event: no suitable handler\n"); +} + /* * This function implements the MMIO based host to GuC interface. */ @@ -388,7 +394,7 @@ out: return ret; } -void intel_guc_to_host_event_handler(struct intel_guc *guc) +void intel_guc_to_host_event_handler_mmio(struct intel_guc *guc) { struct drm_i915_private *dev_priv = guc_to_i915(guc); u32 msg, val; |