i965: Add slice count to the brw_device_info structure.

Reviewed-by: Samuel Iglesias Gonsálvez <[email protected]>
Reviewed-by: Kristian Høgsberg  <[email protected]>

2 files changed, 25 insertions, 0 deletions

diff --git a/src/mesa/drivers/dri/i965/brw_device_info.c b/src/mesa/drivers/dri/i965/brw_device_info.c
index f4a935657c3..4bfc83186bb 100644
--- a/src/mesa/drivers/dri/i965/brw_device_info.c
+++ b/src/mesa/drivers/dri/i965/brw_device_info.c
@@ -28,6 +28,7 @@
 static const struct brw_device_info brw_device_info_i965 = {
    .gen = 4,
    .has_negative_rhw_bug = true,
+   .num_slices = 1,
    .max_vs_threads = 16,
    .max_gs_threads = 2,
    .max_wm_threads = 8 * 4,
@@ -42,6 +43,7 @@ static const struct brw_device_info brw_device_info_g4x = {
    .has_compr4 = true,
    .has_surface_tile_offset = true,
    .is_g4x = true,
+   .num_slices = 1,
    .max_vs_threads = 32,
    .max_gs_threads = 2,
    .max_wm_threads = 10 * 5,
@@ -55,6 +57,7 @@ static const struct brw_device_info brw_device_info_ilk = {
    .has_pln = true,
    .has_compr4 = true,
    .has_surface_tile_offset = true,
+   .num_slices = 1,
    .max_vs_threads = 72,
    .max_gs_threads = 32,
    .max_wm_threads = 12 * 6,
@@ -71,6 +74,7 @@ static const struct brw_device_info brw_device_info_snb_gt1 = {
    .has_pln = true,
    .has_surface_tile_offset = true,
    .needs_unlit_centroid_workaround = true,
+   .num_slices = 1,
    .max_vs_threads = 24,
    .max_gs_threads = 21, /* conservative; 24 if rendering disabled. */
    .max_wm_threads = 40,
@@ -90,6 +94,7 @@ static const struct brw_device_info brw_device_info_snb_gt2 = {
    .has_pln = true,
    .has_surface_tile_offset = true,
    .needs_unlit_centroid_workaround = true,
+   .num_slices = 1,
    .max_vs_threads = 60,
    .max_gs_threads = 60,
    .max_wm_threads = 80,
@@ -112,6 +117,7 @@ static const struct brw_device_info brw_device_info_snb_gt2 = {
 static const struct brw_device_info brw_device_info_ivb_gt1 = {
    GEN7_FEATURES, .is_ivybridge = true, .gt = 1,
    .needs_unlit_centroid_workaround = true,
+   .num_slices = 1,
    .max_vs_threads = 36,
    .max_hs_threads = 36,
    .max_ds_threads = 36,
@@ -132,6 +138,7 @@ static const struct brw_device_info brw_device_info_ivb_gt1 = {
 static const struct brw_device_info brw_device_info_ivb_gt2 = {
    GEN7_FEATURES, .is_ivybridge = true, .gt = 2,
    .needs_unlit_centroid_workaround = true,
+   .num_slices = 1,
    .max_vs_threads = 128,
    .max_hs_threads = 128,
    .max_ds_threads = 128,
@@ -152,6 +159,7 @@ static const struct brw_device_info brw_device_info_ivb_gt2 = {
 static const struct brw_device_info brw_device_info_byt = {
    GEN7_FEATURES, .is_baytrail = true, .gt = 1,
    .needs_unlit_centroid_workaround = true,
+   .num_slices = 1,
    .has_llc = false,
    .max_vs_threads = 36,
    .max_hs_threads = 36,
@@ -178,6 +186,7 @@ static const struct brw_device_info brw_device_info_byt = {
 
 static const struct brw_device_info brw_device_info_hsw_gt1 = {
    HSW_FEATURES, .gt = 1,
+   .num_slices = 1,
    .max_vs_threads = 70,
    .max_hs_threads = 70,
    .max_ds_threads = 70,
@@ -197,6 +206,7 @@ static const struct brw_device_info brw_device_info_hsw_gt1 = {
 
 static const struct brw_device_info brw_device_info_hsw_gt2 = {
    HSW_FEATURES, .gt = 2,
+   .num_slices = 1,
    .max_vs_threads = 280,
    .max_hs_threads = 256,
    .max_ds_threads = 280,
@@ -216,6 +226,7 @@ static const struct brw_device_info brw_device_info_hsw_gt2 = {
 
 static const struct brw_device_info brw_device_info_hsw_gt3 = {
    HSW_FEATURES, .gt = 3,
+   .num_slices = 2,
    .max_vs_threads = 280,
    .max_hs_threads = 256,
    .max_ds_threads = 280,
@@ -249,6 +260,7 @@ static const struct brw_device_info brw_device_info_hsw_gt3 = {
 
 static const struct brw_device_info brw_device_info_bdw_gt1 = {
    GEN8_FEATURES, .gt = 1,
+   .num_slices = 1,
    .max_cs_threads = 42,
    .urb = {
       .size = 192,
@@ -263,6 +275,7 @@ static const struct brw_device_info brw_device_info_bdw_gt1 = {
 
 static const struct brw_device_info brw_device_info_bdw_gt2 = {
    GEN8_FEATURES, .gt = 2,
+   .num_slices = 1,
    .max_cs_threads = 56,
    .urb = {
       .size = 384,
@@ -277,6 +290,7 @@ static const struct brw_device_info brw_device_info_bdw_gt2 = {
 
 static const struct brw_device_info brw_device_info_bdw_gt3 = {
    GEN8_FEATURES, .gt = 3,
+   .num_slices = 2,
    .max_cs_threads = 56,
    .urb = {
       .size = 384,
@@ -292,6 +306,7 @@ static const struct brw_device_info brw_device_info_bdw_gt3 = {
 static const struct brw_device_info brw_device_info_chv = {
    GEN8_FEATURES, .is_cherryview = 1, .gt = 1,
    .has_llc = false,
+   .num_slices = 1,
    .max_vs_threads = 80,
    .max_hs_threads = 80,
    .max_ds_threads = 80,
@@ -335,19 +350,23 @@ static const struct brw_device_info brw_device_info_chv = {
 
 static const struct brw_device_info brw_device_info_skl_gt1 = {
    GEN9_FEATURES, .gt = 1,
+   .num_slices = 1,
    .urb.size = 192,
 };
 
 static const struct brw_device_info brw_device_info_skl_gt2 = {
    GEN9_FEATURES, .gt = 2,
+   .num_slices = 1,
 };
 
 static const struct brw_device_info brw_device_info_skl_gt3 = {
    GEN9_FEATURES, .gt = 3,
+   .num_slices = 2,
 };
 
 static const struct brw_device_info brw_device_info_skl_gt4 = {
    GEN9_FEATURES, .gt = 4,
+   .num_slices = 3,
    /* From the "L3 Allocation and Programming" documentation:
     *
     * "URB is limited to 1008KB due to programming restrictions.  This is not a
@@ -366,6 +385,7 @@ static const struct brw_device_info brw_device_info_bxt = {
    .has_llc = false,
 
    /* XXX: These are preliminary thread counts and URB sizes. */
+   .num_slices = 1,
    .max_vs_threads = 56,
    .max_hs_threads = 56,
    .max_ds_threads = 56,
diff --git a/src/mesa/drivers/dri/i965/brw_device_info.h b/src/mesa/drivers/dri/i965/brw_device_info.h
index af8520127a8..4a8fc537d43 100644
--- a/src/mesa/drivers/dri/i965/brw_device_info.h
+++ b/src/mesa/drivers/dri/i965/brw_device_info.h
@@ -68,6 +68,11 @@ struct brw_device_info
     * GPU Limits:
     *  @{
     */
+   /**
+    * Total number of slices present on the device whether or not they've been
+    * fused off.
+    */
+   unsigned num_slices;
    unsigned max_vs_threads;
    unsigned max_hs_threads;
    unsigned max_ds_threads;