[Bug 101306] [BXT] gles asserts in cts

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=101306

            Bug ID: 101306
           Summary: [BXT] gles asserts in cts
           Product: Mesa
           Version: git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/i965
          Assignee: anuj.phogat at gmail.com
          Reporter: mirlan.ax.tokonbekov at intel.com
        QA Contact: intel-3d-bugs at lists.freedesktop.org

ES31-CTS.functional.compute.shared_var.basic_type.mat4_highp.bxtm64
    ES31-CTS.functional.compute.shared_var.basic_type.mat4x2_mediump.bxtm64
    ES31-CTS.functional.compute.shared_var.basic_type.mat4_mediump.bxtm64
    ES31-CTS.functional.compute.shared_var.basic_type.uint_highp.bxtm64
    ES31-CTS.functional.compute.shared_var.atomic.add.mediump_uint.bxtm64
    ES31-CTS.functional.compute.shared_var.atomic.add.highp_uint.bxtm64
    ES31-CTS.functional.compute.shared_var.atomic.compswap.lowp_int.bxtm64
    ES31-CTS.functional.compute.shared_var.atomic.compswap.highp_uint.bxtm64
    ES31-CTS.functional.compute.shared_var.atomic.compswap.mediump_int.bxtm64
    ES31-CTS.functional.compute.shared_var.atomic.compswap.highp_int.bxtm64
    ES31-CTS.functional.compute.shared_var.work_group_size.mat4_1_128_1.bxtm64
    ES31-CTS.functional.compute.shared_var.work_group_size.mat4_1_1_1.bxtm64

glcts:
/home/jenkins/workspace/Leeroy_3/repos/mesa/src/intel/common/gen_urb_config.c:151:
gen_get_urb_config: Assertion `total_needs <= urb_chunks' failed.

bisected to: 0d576fbfbe912cf3fb9ab594bb31eb58bccf2138
Author:     Anuj Phogat <anuj.phogat at gmail.com>
i965: Simplify l3 way size computations

By making use of l3_banks field in gen_device_info struct
l3_way_size for gen7+ = 2 * l3_banks.

V2: Keep the get_l3_way_size() function.

Suggested-by: Francisco Jerez <currojerez at riseup.net>
Signed-off-by: Anuj Phogat <anuj.phogat at gmail.com>
Reviewed-by: Francisco Jerez <currojerez at riseup.net>

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