From: "Kumar, Mahesh" <mahesh1.kumar@xxxxxxxxx>
New Isochronous Priority Control (IPC) capability is introduced in newer
GEN platforms. This patch adds a device info flag to indicate if platform
supports IPC. Patch also sets this flag in supported platforms.
Signed-off-by: Mahesh Kumar <mahesh1.kumar@xxxxxxxxx>
Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/i915_drv.h | 5 ++++-
drivers/gpu/drm/i915/i915_pci.c | 4 ++++
2 files changed, 8 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 320da875d7e0..de79ea3e066e 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -779,7 +779,8 @@ struct intel_csr {
func(cursor_needs_physical); \
func(hws_needs_physical); \
func(overlay_needs_physical); \
- func(supports_tv);
+ func(supports_tv); \
+ func(has_ipc);
struct sseu_dev_info {
u8 slice_mask;
@@ -3077,6 +3078,8 @@ intel_info(const struct drm_i915_private *dev_priv)
#define HAS_RUNTIME_PM(dev_priv) ((dev_priv)->info.has_runtime_pm)
#define HAS_64BIT_RELOC(dev_priv) ((dev_priv)->info.has_64bit_reloc)
+#define HAS_IPC(dev_priv) ((dev_priv)->info.has_ipc)
+
/*
* For now, anything with a GuC requires uCode loading, and then supports
* command submission once loaded. But these are logically independent
diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c
index 09d97e0990b7..572c01924334 100644
--- a/drivers/gpu/drm/i915/i915_pci.c
+++ b/drivers/gpu/drm/i915/i915_pci.c
@@ -390,6 +390,7 @@ static const struct intel_device_info intel_skylake_gt3_info = {
.has_full_ppgtt = 1, \
.has_full_48bit_ppgtt = 1, \
.has_reset_engine = 1, \
+ .has_ipc = 1, \
GEN_DEFAULT_PIPEOFFSETS, \
IVB_CURSOR_OFFSETS, \
BDW_COLORS
@@ -414,6 +415,7 @@ static const struct intel_device_info intel_geminilake_info = {
.platform = INTEL_KABYLAKE, \
.has_csr = 1, \
.has_guc = 1, \
+ .has_ipc = 1, \
.ddb_size = 896
static const struct intel_device_info intel_kabylake_info = {
@@ -432,6 +434,7 @@ static const struct intel_device_info intel_kabylake_gt3_info = {
.platform = INTEL_COFFEELAKE, \
.has_csr = 1, \
.has_guc = 1, \
+ .has_ipc = 1, \
.ddb_size = 896
static const struct intel_device_info intel_coffeelake_info = {
@@ -450,6 +453,7 @@ static const struct intel_device_info intel_cannonlake_info = {
.gen = 10,
.ddb_size = 1024,
.has_csr = 1,
+ .has_ipc = 1,
.color = { .degamma_lut_size = 0, .gamma_lut_size = 1024 }
};
--
2.13.0
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