[Mesa-dev] [PATCH 1/4] i965/bxt: Add basic Broxton infrastructure

[Ben Widawsky]

The thread counts and URB information are all speculative numbers that were
based on some CHV numbers at the time.

v2:
Originally this patch had PCI IDs. I've moved that to a new patch at the end of
the series.
Remove is_cherryview hack.

Cc: Neil Roberts <neil at linux.intel.com>
Cc: "Lecluse, Philippe" <Philippe.Lecluse at intel.com>
Signed-off-by: Ben Widawsky <ben at bwidawsk.net>
---
 src/mesa/drivers/dri/i965/brw_context.c     |  1 +
 src/mesa/drivers/dri/i965/brw_context.h     |  1 +
 src/mesa/drivers/dri/i965/brw_device_info.c | 16 ++++++++++++++++
 src/mesa/drivers/dri/i965/brw_device_info.h |  1 +
 4 files changed, 19 insertions(+)

diff --git a/src/mesa/drivers/dri/i965/brw_context.c b/src/mesa/drivers/dri/i965/brw_context.c
index c629f39..0286577 100644
--- a/src/mesa/drivers/dri/i965/brw_context.c
+++ b/src/mesa/drivers/dri/i965/brw_context.c
@@ -752,6 +752,7 @@ brwCreateContext(gl_api api,
    brw->is_baytrail = devinfo->is_baytrail;
    brw->is_haswell = devinfo->is_haswell;
    brw->is_cherryview = devinfo->is_cherryview;
+   brw->is_broxton = devinfo->is_broxton;
    brw->has_llc = devinfo->has_llc;
    brw->has_hiz = devinfo->has_hiz_and_separate_stencil;
    brw->has_separate_stencil = devinfo->has_hiz_and_separate_stencil;
diff --git a/src/mesa/drivers/dri/i965/brw_context.h b/src/mesa/drivers/dri/i965/brw_context.h
index 58119ee..c60053b 100644
--- a/src/mesa/drivers/dri/i965/brw_context.h
+++ b/src/mesa/drivers/dri/i965/brw_context.h
@@ -1125,6 +1125,7 @@ struct brw_context
    bool is_baytrail;
    bool is_haswell;
    bool is_cherryview;
+   bool is_broxton;
 
    bool has_hiz;
    bool has_separate_stencil;
diff --git a/src/mesa/drivers/dri/i965/brw_device_info.c b/src/mesa/drivers/dri/i965/brw_device_info.c
index 97243a4..342e566 100644
--- a/src/mesa/drivers/dri/i965/brw_device_info.c
+++ b/src/mesa/drivers/dri/i965/brw_device_info.c
@@ -334,6 +334,22 @@ static const struct brw_device_info brw_device_info_skl_gt3 = {
    .supports_simd16_3src = true,
 };
 
+static const struct brw_device_info brw_device_info_bxt = {
+   GEN9_FEATURES,
+   .is_broxton = 1,
+   .gt = 1,
+   .has_llc = false,
+   .max_vs_threads = 112,
+   .max_gs_threads = 112,
+   .max_wm_threads = 32,
+   .urb = {
+      .size = 64,
+      .min_vs_entries = 34,
+      .max_vs_entries = 640,
+      .max_gs_entries = 256,
+   }
+};
+
 const struct brw_device_info *
 brw_get_device_info(int devid, int revision)
 {
diff --git a/src/mesa/drivers/dri/i965/brw_device_info.h b/src/mesa/drivers/dri/i965/brw_device_info.h
index 65c024c..7b7a1fc 100644
--- a/src/mesa/drivers/dri/i965/brw_device_info.h
+++ b/src/mesa/drivers/dri/i965/brw_device_info.h
@@ -35,6 +35,7 @@ struct brw_device_info
    bool is_baytrail;
    bool is_haswell;
    bool is_cherryview;
+   bool is_broxton;
 
    bool has_hiz_and_separate_stencil;
    bool must_use_separate_stencil;
-- 
2.4.3