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path: root/drivers/gpu/drm/i915/intel_device_info.h
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_device_info.h')
-rw-r--r--drivers/gpu/drm/i915/intel_device_info.h30
1 files changed, 27 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/intel_device_info.h b/drivers/gpu/drm/i915/intel_device_info.h
index 7e04b4829aba..0e579f158016 100644
--- a/drivers/gpu/drm/i915/intel_device_info.h
+++ b/drivers/gpu/drm/i915/intel_device_info.h
@@ -27,6 +27,7 @@
#include <uapi/drm/i915_drm.h>
+#include "intel_engine_types.h"
#include "intel_display.h"
struct drm_printer;
@@ -77,6 +78,21 @@ enum intel_platform {
INTEL_MAX_PLATFORMS
};
+/*
+ * Subplatform bits share the same namespace per parent platform. In other words
+ * it is fine for the same bit to be used on multiple parent platforms.
+ */
+
+#define INTEL_SUBPLATFORM_BITS (3)
+
+/* HSW/BDW/SKL/KBL/CFL */
+#define INTEL_SUBPLATFORM_ULT (0)
+#define INTEL_SUBPLATFORM_ULX (1)
+#define INTEL_SUBPLATFORM_AML (2)
+
+/* CNL/ICL */
+#define INTEL_SUBPLATFORM_PORTF (0)
+
enum intel_ppgtt_type {
INTEL_PPGTT_NONE = I915_GEM_PPGTT_NONE,
INTEL_PPGTT_ALIASING = I915_GEM_PPGTT_ALIASING,
@@ -150,8 +166,6 @@ struct sseu_dev_info {
u8 eu_mask[GEN_MAX_SLICES * GEN_MAX_SUBSLICES];
};
-typedef u8 intel_engine_mask_t;
-
struct intel_device_info {
u16 gen_mask;
@@ -160,7 +174,6 @@ struct intel_device_info {
intel_engine_mask_t engine_mask; /* Engines supported by the HW */
enum intel_platform platform;
- u32 platform_mask;
enum intel_ppgtt_type ppgtt_type;
unsigned int ppgtt_size; /* log2, e.g. 31/32/48 bits */
@@ -197,6 +210,16 @@ struct intel_device_info {
};
struct intel_runtime_info {
+ /*
+ * Platform mask is used for optimizing or-ed IS_PLATFORM calls into
+ * into single runtime conditionals, and also to provide groundwork
+ * for future per platform, or per SKU build optimizations.
+ *
+ * Array can be extended when necessary if the corresponding
+ * BUILD_BUG_ON is hit.
+ */
+ u32 platform_mask[2];
+
u16 device_id;
u8 num_sprites[I915_MAX_PIPES];
@@ -267,6 +290,7 @@ static inline void sseu_set_eus(struct sseu_dev_info *sseu,
const char *intel_platform_name(enum intel_platform platform);
+void intel_device_info_subplatform_init(struct drm_i915_private *dev_priv);
void intel_device_info_runtime_init(struct drm_i915_private *dev_priv);
void intel_device_info_dump_flags(const struct intel_device_info *info,
struct drm_printer *p);