From: Alex Dai <yu....@intel.com>
GuC expects two bits for Render and Media domain separately when
driver sends data via host2guc SAMPLE_FORCEWAKE. Bit 0 is for
Render and bit 1 is for Media domain.
v1: Add parameters definition to avoid magic value
Signed-off-by: Alex Dai <yu....@intel.com>
---
drivers/gpu/drm/i915/i915_guc_submission.c | 6 ++++--
drivers/gpu/drm/i915/intel_guc_fwif.h | 3 +++
2 files changed, 7 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_guc_submission.c
b/drivers/gpu/drm/i915/i915_guc_submission.c
index 38b6ef4..7dbc108 100644
--- a/drivers/gpu/drm/i915/i915_guc_submission.c
+++ b/drivers/gpu/drm/i915/i915_guc_submission.c
@@ -158,9 +158,11 @@ static int host2guc_sample_forcewake(struct intel_guc *guc,
u32 data[2];
data[0] = HOST2GUC_ACTION_SAMPLE_FORCEWAKE;
- data[1] = (intel_enable_rc6(dev_priv->dev)) ? 1 : 0;
+ /* bit 0 and 1 are for Render and Media domain separately */
+ data[1] = intel_enable_rc6(dev_priv->dev) ?
+ GUC_FORCEWAKE_RENDER | GUC_FORCEWAKE_MEDIA : 0;
- return host2guc_action(guc, data, 2);
+ return host2guc_action(guc, data, ARRAY_SIZE(data));
}
/*
diff --git a/drivers/gpu/drm/i915/intel_guc_fwif.h
b/drivers/gpu/drm/i915/intel_guc_fwif.h
index f6d0aa4..ecea053 100644
--- a/drivers/gpu/drm/i915/intel_guc_fwif.h
+++ b/drivers/gpu/drm/i915/intel_guc_fwif.h
@@ -260,6 +260,9 @@ struct guc_context_desc {
#define GUC_POWER_D2 3
#define GUC_POWER_D3 4
+#define GUC_FORCEWAKE_RENDER (1 << 0)
+#define GUC_FORCEWAKE_MEDIA (1 << 1)
+
/* This Action will be programmed in C180 - SOFT_SCRATCH_O_REG */
enum host2guc_action {
HOST2GUC_ACTION_DEFAULT = 0x0,
--
1.9.1
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