[Mesa-dev] [PATCH 3/5] i965/hsw: Change L3 MOCS of SURFACE_STATE

[Chad Versace]

Change from "not cacheable" to "cacheable" in L3.
Do so for the draw upload path and blorp.

CC: Kenneth Graunke <kenneth at whitecape.org>
Signed-off-by: Chad Versace <chad.versace at linux.intel.com>
---
 src/mesa/drivers/dri/i965/gen7_blorp.cpp          | 4 +++-
 src/mesa/drivers/dri/i965/gen7_wm_surface_state.c | 6 +++++-
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/gen7_blorp.cpp b/src/mesa/drivers/dri/i965/gen7_blorp.cpp
index fbdd2be..0c08584 100644
--- a/src/mesa/drivers/dri/i965/gen7_blorp.cpp
+++ b/src/mesa/drivers/dri/i965/gen7_blorp.cpp
@@ -143,6 +143,7 @@ gen7_blorp_emit_surface_state(struct brw_context *brw,
     */
    struct intel_region *region = surface->mt->region;
    uint32_t tile_x, tile_y;
+   uint8_t mocs = brw->is_haswell ? GEN7_MOCS_L3 : 0;
 
    uint32_t tiling = surface->map_stencil_as_y_tiled
       ? I915_TILING_Y : region->tiling;
@@ -175,7 +176,8 @@ gen7_blorp_emit_surface_state(struct brw_context *brw,
    assert(tile_x % 4 == 0);
    assert(tile_y % 2 == 0);
    surf[5] = SET_FIELD(tile_x / 4, BRW_SURFACE_X_OFFSET) |
-             SET_FIELD(tile_y / 2, BRW_SURFACE_Y_OFFSET);
+             SET_FIELD(tile_y / 2, BRW_SURFACE_Y_OFFSET) |
+             SET_FIELD(mocs, GEN7_SURFACE_MOCS);
 
    surf[2] = SET_FIELD(width - 1, GEN7_SURFACE_WIDTH) |
              SET_FIELD(height - 1, GEN7_SURFACE_HEIGHT);
diff --git a/src/mesa/drivers/dri/i965/gen7_wm_surface_state.c b/src/mesa/drivers/dri/i965/gen7_wm_surface_state.c
index fe97803..34cf63b 100644
--- a/src/mesa/drivers/dri/i965/gen7_wm_surface_state.c
+++ b/src/mesa/drivers/dri/i965/gen7_wm_surface_state.c
@@ -286,6 +286,7 @@ gen7_update_texture_surface(struct gl_context *ctx,
    struct gl_texture_image *firstImage = tObj->Image[0][tObj->BaseLevel];
    struct gl_sampler_object *sampler = _mesa_get_samplerobj(ctx, unit);
    uint32_t tile_x, tile_y;
+   uint8_t mocs = brw->is_haswell ? GEN7_MOCS_L3 : 0;
 
    if (tObj->Target == GL_TEXTURE_BUFFER) {
       gen7_update_buffer_texture_surface(ctx, unit, binding_table, surf_index);
@@ -334,6 +335,7 @@ gen7_update_texture_surface(struct gl_context *ctx,
     */
    surf[5] = ((tile_x / 4) << BRW_SURFACE_X_OFFSET_SHIFT |
               (tile_y / 2) << BRW_SURFACE_Y_OFFSET_SHIFT |
+              SET_FIELD(mocs, GEN7_SURFACE_MOCS) |
               /* mip count */
               (intelObj->_MaxLevel - tObj->BaseLevel));
 
@@ -512,6 +514,7 @@ gen7_update_renderbuffer_surface(struct brw_context *brw,
    bool is_array = false;
    int depth = MAX2(rb->Depth, 1);
    int min_array_element;
+   uint8_t mocs = brw->is_haswell ? GEN7_MOCS_L3 : 0;
    GLenum gl_target = rb->TexImage ?
                          rb->TexImage->TexObject->Target : GL_TEXTURE_2D;
 
@@ -571,7 +574,8 @@ gen7_update_renderbuffer_surface(struct brw_context *brw,
 
    assert(brw->has_surface_tile_offset);
 
-   surf[5] = irb->mt_level - irb->mt->first_level;
+   surf[5] = SET_FIELD(mocs, GEN7_SURFACE_MOCS) |
+             (irb->mt_level - irb->mt->first_level);
 
    surf[2] = SET_FIELD(irb->mt->logical_width0 - 1, GEN7_SURFACE_WIDTH) |
              SET_FIELD(irb->mt->logical_height0 - 1, GEN7_SURFACE_HEIGHT);
-- 
1.8.3.1