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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.h82
1 files changed, 76 insertions, 6 deletions
diff --git a/drivers/gpu/drm/i915/intel_device_info.h b/drivers/gpu/drm/i915/intel_device_info.h
index 49cb27bd04c1..0835752c8b22 100644
--- a/drivers/gpu/drm/i915/intel_device_info.h
+++ b/drivers/gpu/drm/i915/intel_device_info.h
@@ -69,6 +69,8 @@ enum intel_platform {
INTEL_COFFEELAKE,
/* gen10 */
INTEL_CANNONLAKE,
+ /* gen11 */
+ INTEL_ICELAKE,
INTEL_MAX_PLATFORMS
};
@@ -94,6 +96,7 @@ enum intel_platform {
func(has_l3_dpf); \
func(has_llc); \
func(has_logical_ring_contexts); \
+ func(has_logical_ring_elsq); \
func(has_logical_ring_preemption); \
func(has_overlay); \
func(has_pooled_eu); \
@@ -110,10 +113,13 @@ enum intel_platform {
func(supports_tv); \
func(has_ipc);
+#define GEN_MAX_SLICES (6) /* CNL upper bound */
+#define GEN_MAX_SUBSLICES (7)
+
struct sseu_dev_info {
u8 slice_mask;
- u8 subslice_mask;
- u8 eu_total;
+ u8 subslice_mask[GEN_MAX_SUBSLICES];
+ u16 eu_total;
u8 eu_per_subslice;
u8 min_eu_in_pool;
/* For each slice, which subslice(s) has(have) 7 EUs (bitfield)? */
@@ -121,8 +127,21 @@ struct sseu_dev_info {
u8 has_slice_pg:1;
u8 has_subslice_pg:1;
u8 has_eu_pg:1;
+
+ /* Topology fields */
+ u8 max_slices;
+ u8 max_subslices;
+ u8 max_eus_per_subslice;
+
+ /* We don't have more than 8 eus per subslice at the moment and as we
+ * store eus enabled using bits, no need to multiply by eus per
+ * subslice.
+ */
+ u8 eu_mask[GEN_MAX_SLICES * GEN_MAX_SUBSLICES];
};
+typedef u8 intel_ring_mask_t;
+
struct intel_device_info {
u16 device_id;
u16 gen_mask;
@@ -130,19 +149,19 @@ struct intel_device_info {
u8 gen;
u8 gt; /* GT number, 0 if undefined */
u8 num_rings;
- u8 ring_mask; /* Rings supported by the HW */
+ intel_ring_mask_t ring_mask; /* Rings supported by the HW */
enum intel_platform platform;
u32 platform_mask;
+ unsigned int page_sizes; /* page sizes supported by the HW */
+
u32 display_mmio_offset;
u8 num_pipes;
u8 num_sprites[I915_MAX_PIPES];
u8 num_scalers[I915_MAX_PIPES];
- unsigned int page_sizes; /* page sizes supported by the HW */
-
#define DEFINE_FLAG(name) u8 name:1
DEV_INFO_FOR_EACH_FLAG(DEFINE_FLAG);
#undef DEFINE_FLAG
@@ -165,9 +184,55 @@ struct intel_device_info {
} color;
};
+struct intel_driver_caps {
+ unsigned int scheduler;
+};
+
static inline unsigned int sseu_subslice_total(const struct sseu_dev_info *sseu)
{
- return hweight8(sseu->slice_mask) * hweight8(sseu->subslice_mask);
+ unsigned int i, total = 0;
+
+ for (i = 0; i < ARRAY_SIZE(sseu->subslice_mask); i++)
+ total += hweight8(sseu->subslice_mask[i]);
+
+ return total;
+}
+
+static inline int sseu_eu_idx(const struct sseu_dev_info *sseu,
+ int slice, int subslice)
+{
+ int subslice_stride = DIV_ROUND_UP(sseu->max_eus_per_subslice,
+ BITS_PER_BYTE);
+ int slice_stride = sseu->max_subslices * subslice_stride;
+
+ return slice * slice_stride + subslice * subslice_stride;
+}
+
+static inline u16 sseu_get_eus(const struct sseu_dev_info *sseu,
+ int slice, int subslice)
+{
+ int i, offset = sseu_eu_idx(sseu, slice, subslice);
+ u16 eu_mask = 0;
+
+ for (i = 0;
+ i < DIV_ROUND_UP(sseu->max_eus_per_subslice, BITS_PER_BYTE); i++) {
+ eu_mask |= ((u16) sseu->eu_mask[offset + i]) <<
+ (i * BITS_PER_BYTE);
+ }
+
+ return eu_mask;
+}
+
+static inline void sseu_set_eus(struct sseu_dev_info *sseu,
+ int slice, int subslice, u16 eu_mask)
+{
+ int i, offset = sseu_eu_idx(sseu, slice, subslice);
+
+ for (i = 0;
+ i < DIV_ROUND_UP(sseu->max_eus_per_subslice, BITS_PER_BYTE); i++) {
+ sseu->eu_mask[offset + i] =
+ (eu_mask >> (BITS_PER_BYTE * i)) & 0xff;
+ }
}
const char *intel_platform_name(enum intel_platform platform);
@@ -179,5 +244,10 @@ void intel_device_info_dump_flags(const struct intel_device_info *info,
struct drm_printer *p);
void intel_device_info_dump_runtime(const struct intel_device_info *info,
struct drm_printer *p);
+void intel_device_info_dump_topology(const struct sseu_dev_info *sseu,
+ struct drm_printer *p);
+
+void intel_driver_caps_print(const struct intel_driver_caps *caps,
+ struct drm_printer *p);
#endif