intel: Enable Xe KMD support by default

Xe KMD landed on drm-next, uAPI is now stable and we can remove
the build time parameter to enable support to it but platforms
older than Lunar lake will have experimental support with Xe KMD.

Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/20418>
(cherry picked from commit 31920cb60c3cf487bc29ebd1d8ad8b1825e09fab)

.pick_status.json

@@ -15094,7 +15094,7 @@
         "description": "intel: Enable Xe KMD support by default",
         "nominated": false,
         "nomination_type": 3,
-        "resolution": 4,
+        "resolution": 1,
         "main_sha": null,
         "because_sha": null,
         "notes": null

meson.build

@@ -1523,11 +1523,6 @@ if with_any_intel and ['x86', 'x86_64'].contains(host_machine.cpu_family())
   pre_args += '-DSUPPORT_INTEL_INTEGRATED_GPUS'
 endif
 
-if get_option('intel-xe-kmd').enabled()
-  pre_args += '-DINTEL_XE_KMD_SUPPORTED'
-endif
-
-
 if with_gallium_i915 and host_machine.cpu_family().startswith('x86') == false
   error('Intel "i915" Gallium driver requires x86 or x86_64 CPU family')
 endif

meson_options.txt

@@ -683,10 +683,3 @@ option(
                 'the default driconf file is hardcoded into Mesa. ' +
                 'Requires expat.'
 )
-
-option (
-  'intel-xe-kmd',
-  type : 'feature',
-  value : 'disabled',
-  description: 'Enable Intel Xe KMD support.'
-)

src/intel/dev/intel_device_info.c

@@ -1667,6 +1667,8 @@ intel_get_device_info_from_fd(int fd, struct intel_device_info *devinfo)
       break;
    case INTEL_KMD_TYPE_XE:
       ret = intel_device_info_xe_get_info_from_fd(fd, devinfo);
+      if (devinfo->verx10 < 200)
+         mesa_logw("Support for this platform is experimental with Xe KMD, bug reports may be ignored.");
       break;
    default:
       ret = false;

src/intel/dev/intel_kmd.c

@@ -37,10 +37,8 @@ intel_get_kmd_type(int fd)
 
    if (strcmp(version->name, "i915") == 0)
       type = INTEL_KMD_TYPE_I915;
-#ifdef INTEL_XE_KMD_SUPPORTED
    else if (strcmp(version->name, "xe") == 0)
       type = INTEL_KMD_TYPE_XE;
-#endif
 
    drmFreeVersion(version);
    return type;