drm/i915/ats-m: add ATS-M platform info

ATS-M is a server platform based on Xe_HPG and Xe_HPM, but without
display support.  From a driver point of view, it's easiest to just
handle it as DG2 (including identifying as PLATFORM_DG2), but with the
display disabled in the device info.

Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Balasubramani Vivekanandan <balasubramani.vivekanandan@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220329000822.1323195-1-matthew.d.roper@intel.com

diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c
index a95ae08b071c50f138033b1c930ebf752be07657..8e321d300e0cd23f0f80449ef1cfaab941076ba5 100644 (file)
--- a/drivers/gpu/drm/i915/i915_pci.c
+++ b/drivers/gpu/drm/i915/i915_pci.c
@@ -1038,25 +1038,35 @@ static const struct intel_device_info xehpsdv_info = {
        .require_force_probe = 1,
 };
 
+#define DG2_FEATURES \
+       XE_HP_FEATURES, \
+       XE_HPM_FEATURES, \
+       DGFX_FEATURES, \
+       .graphics.rel = 55, \
+       .media.rel = 55, \
+       PLATFORM(INTEL_DG2), \
+       .has_4tile = 1, \
+       .has_64k_pages = 1, \
+       .has_guc_deprivilege = 1, \
+       .platform_engine_mask = \
+               BIT(RCS0) | BIT(BCS0) | \
+               BIT(VECS0) | BIT(VECS1) | \
+               BIT(VCS0) | BIT(VCS2)
+
 __maybe_unused
 static const struct intel_device_info dg2_info = {
-       XE_HP_FEATURES,
-       XE_HPM_FEATURES,
+       DG2_FEATURES,
        XE_LPD_FEATURES,
-       DGFX_FEATURES,
-       .graphics.rel = 55,
-       .media.rel = 55,
-       .has_4tile = 1,
-       PLATFORM(INTEL_DG2),
-       .has_guc_deprivilege = 1,
-       .has_64k_pages = 1,
-       .platform_engine_mask =
-               BIT(RCS0) | BIT(BCS0) |
-               BIT(VECS0) | BIT(VECS1) |
-               BIT(VCS0) | BIT(VCS2),
-       .require_force_probe = 1,
        .display.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B) |
                               BIT(TRANSCODER_C) | BIT(TRANSCODER_D),
+       .require_force_probe = 1,
+};
+
+__maybe_unused
+static const struct intel_device_info ats_m_info = {
+       DG2_FEATURES,
+       .display = { 0 },
+       .require_force_probe = 1,
 };
 
 #undef PLATFORM