Module: Mesa Branch: main Commit: b27ca68143fe77185a2b5801029fec8ad7a59cdb URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=b27ca68143fe77185a2b5801029fec8ad7a59cdb
Author: José Roberto de Souza <[email protected]> Date: Tue Nov 28 10:05:50 2023 -0800 intel/dev: Adjust prefetch_size values for Xe2 engines Xe2 follows MTL and has different prefetch sizes for different types of engines. BSpec: 60223 Reviewed-by: Sagar Ghuge <[email protected]> Signed-off-by: José Roberto de Souza <[email protected]> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/26396> --- src/intel/dev/intel_device_info.c | 19 ++++++++++++++++--- 1 file changed, 16 insertions(+), 3 deletions(-) diff --git a/src/intel/dev/intel_device_info.c b/src/intel/dev/intel_device_info.c index 61f04dbaa03..2da815e46d1 100644 --- a/src/intel/dev/intel_device_info.c +++ b/src/intel/dev/intel_device_info.c @@ -1555,8 +1555,16 @@ static unsigned intel_device_info_calc_engine_prefetch(const struct intel_device_info *devinfo, enum intel_engine_class engine_class) { - if (devinfo->verx10 < 125) - return 512; + if (devinfo->verx10 >= 200) { + switch (engine_class) { + case INTEL_ENGINE_CLASS_RENDER: + return 4096; + case INTEL_ENGINE_CLASS_COMPUTE: + return 1024; + default: + return 512; + } + } if (intel_device_info_is_mtl(devinfo)) { switch (engine_class) { @@ -1569,7 +1577,12 @@ intel_device_info_calc_engine_prefetch(const struct intel_device_info *devinfo, } } - return 1024; + /* DG2 */ + if (devinfo->verx10 == 125) + return 1024; + + /* Older than DG2/MTL */ + return 512; } bool
