Due to flip interrupts routed to GuC, GuC stays awake always and GT does not enter RC6. GuC firmware should re-direct to GuC those interrupts that it can handle. v2: Commit message change and routing all interrupts to host. (Tom) Cc: Alex Dai <yu.dai@xxxxxxxxx> Cc: Tom O'Rourke <Tom.O'Rourke@xxxxxxxxx> Cc: Akash Goel <akash.goel@xxxxxxxxx> Signed-off-by: Sagar Arun Kamble <sagar.a.kamble@xxxxxxxxx> --- drivers/gpu/drm/i915/intel_guc_loader.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_guc_loader.c b/drivers/gpu/drm/i915/intel_guc_loader.c index 5eafd31..0b047c4 100644 --- a/drivers/gpu/drm/i915/intel_guc_loader.c +++ b/drivers/gpu/drm/i915/intel_guc_loader.c @@ -110,12 +110,8 @@ static void direct_interrupts_to_guc(struct drm_i915_private *dev_priv) for_each_ring(ring, dev_priv, i) I915_WRITE(RING_MODE_GEN7(ring), irqs); - /* tell DE to send (all) flip_done to GuC */ - irqs = DERRMR_PIPEA_PRI_FLIP_DONE | DERRMR_PIPEA_SPR_FLIP_DONE | - DERRMR_PIPEB_PRI_FLIP_DONE | DERRMR_PIPEB_SPR_FLIP_DONE | - DERRMR_PIPEC_PRI_FLIP_DONE | DERRMR_PIPEC_SPR_FLIP_DONE; - /* Unmasked bits will cause GuC response message to be sent */ - I915_WRITE(DE_GUCRMR, ~irqs); + /* tell DE to send nothing to GuC */ + I915_WRITE(DE_GUCRMR, ~0); /* route USER_INTERRUPT to Host, all others are sent to GuC. */ irqs = GT_RENDER_USER_INTERRUPT << GEN8_RCS_IRQ_SHIFT | -- 1.9.1 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
