diff mbox series

[06/22] drm/i915: Add memory region information to device_info

Message ID 20190927173409.31175-7-matthew.auld@intel.com (mailing list archive)
State New, archived
Headers show
Series LMEM basics | expand

Commit Message

Matthew Auld Sept. 27, 2019, 5:33 p.m. UTC 
From: Abdiel Janulgue <abdiel.janulgue@linux.intel.com>

Exposes available regions for the platform. Shared memory will
always be available.

Signed-off-by: Abdiel Janulgue <abdiel.janulgue@linux.intel.com>
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
---
 drivers/gpu/drm/i915/i915_drv.h          | 2 ++
 drivers/gpu/drm/i915/intel_device_info.h | 2 ++
 2 files changed, 4 insertions(+)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 8ed4b8c2484f..93116cc8b149 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -2170,6 +2170,8 @@  IS_SUBPLATFORM(const struct drm_i915_private *i915,
 
 #define HAS_IPC(dev_priv)		 (INTEL_INFO(dev_priv)->display.has_ipc)
 
+#define HAS_REGION(i915, i) (INTEL_INFO(i915)->memory_regions & (i))
+
 #define HAS_GT_UC(dev_priv)	(INTEL_INFO(dev_priv)->has_gt_uc)
 
 /* Having GuC is not the same as using GuC */
diff --git a/drivers/gpu/drm/i915/intel_device_info.h b/drivers/gpu/drm/i915/intel_device_info.h
index 0cdc2465534b..e9940f932d26 100644
--- a/drivers/gpu/drm/i915/intel_device_info.h
+++ b/drivers/gpu/drm/i915/intel_device_info.h
@@ -160,6 +160,8 @@  struct intel_device_info {
 
 	unsigned int page_sizes; /* page sizes supported by the HW */
 
+	u32 memory_regions; /* regions supported by the HW */
+
 	u32 display_mmio_offset;
 
 	u8 pipe_mask;