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-rw-r--r--drivers/gpu/drm/i915/intel_device_info.c11
-rw-r--r--drivers/gpu/drm/i915/intel_device_info.h3
2 files changed, 13 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_device_info.c b/drivers/gpu/drm/i915/intel_device_info.c
index eccb30a68b10..a1dfb00aa16d 100644
--- a/drivers/gpu/drm/i915/intel_device_info.c
+++ b/drivers/gpu/drm/i915/intel_device_info.c
@@ -884,8 +884,9 @@ void intel_driver_caps_print(const struct intel_driver_caps *caps,
void intel_device_info_init_mmio(struct drm_i915_private *dev_priv)
{
struct intel_device_info *info = mkwrite_device_info(dev_priv);
- u32 media_fuse;
+ unsigned int logical_vdbox = 0;
unsigned int i;
+ u32 media_fuse;
if (INTEL_GEN(dev_priv) < 11)
return;
@@ -904,7 +905,15 @@ void intel_device_info_init_mmio(struct drm_i915_private *dev_priv)
if (!(BIT(i) & info->vdbox_enable)) {
info->ring_mask &= ~ENGINE_MASK(_VCS(i));
DRM_DEBUG_DRIVER("vcs%u fused off\n", i);
+ continue;
}
+
+ /*
+ * In Gen11, only even numbered logical VDBOXes are
+ * hooked up to an SFC (Scaler & Format Converter) unit.
+ */
+ if (logical_vdbox++ % 2 == 0)
+ info->vdbox_sfc_access |= BIT(i);
}
DRM_DEBUG_DRIVER("vebox enable: %04x\n", info->vebox_enable);
diff --git a/drivers/gpu/drm/i915/intel_device_info.h b/drivers/gpu/drm/i915/intel_device_info.h
index 1caf24e2cf0b..dd34f974a857 100644
--- a/drivers/gpu/drm/i915/intel_device_info.h
+++ b/drivers/gpu/drm/i915/intel_device_info.h
@@ -198,6 +198,9 @@ struct intel_device_info {
u8 vdbox_enable;
u8 vebox_enable;
+ /* Media engine access to SFC per instance */
+ u8 vdbox_sfc_access;
+
struct color_luts {
u16 degamma_lut_size;
u16 gamma_lut_size;