[Intel-xe] [PATCH V3 1/3] drm/xe: Track if platform has csc uid

[Tejas Upadhyay]

Some platforms, like ATS-M has CSC firmware calculated unique
device id. This flag will help to identify if platform has it.

V2:
  - Rebase to resolve pre-merge conflict

Signed-off-by: Tejas Upadhyay <tejas.upadhyay at intel.com>
---
 drivers/gpu/drm/xe/xe_device_types.h | 2 ++
 drivers/gpu/drm/xe/xe_pci.c          | 3 +++
 2 files changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/xe/xe_device_types.h b/drivers/gpu/drm/xe/xe_device_types.h
index 2712905c7a91..268a40639ec5 100644
--- a/drivers/gpu/drm/xe/xe_device_types.h
+++ b/drivers/gpu/drm/xe/xe_device_types.h
@@ -264,6 +264,8 @@ struct xe_device {
 		u8 supports_mmio_ext:1;
 		/** @has_heci_gscfi: device has heci gscfi */
 		u8 has_heci_gscfi:1;
+		/** @has_csc_uid: device has CSC FW calculated uid, used for generating uuid */
+		u8 has_csc_uid:1;
 
 #if IS_ENABLED(CONFIG_DRM_XE_DISPLAY)
 		struct {
diff --git a/drivers/gpu/drm/xe/xe_pci.c b/drivers/gpu/drm/xe/xe_pci.c
index cb762c11dd0f..cf4f7de5b04e 100644
--- a/drivers/gpu/drm/xe/xe_pci.c
+++ b/drivers/gpu/drm/xe/xe_pci.c
@@ -61,6 +61,7 @@ struct xe_device_desc {
 	u8 has_heci_gscfi:1;
 
 	u8 has_llc:1;
+	u8 has_csc_uid:1;
 	u8 has_sriov:1;
 	u8 bypass_mtcfg:1;
 	u8 supports_mmio_ext:1;
@@ -300,6 +301,7 @@ static const struct xe_device_desc ats_m_desc = {
 
 	DG2_FEATURES,
 	.has_display = false,
+	.has_csc_uid = true,
 };
 
 static const struct xe_device_desc dg2_desc = {
@@ -579,6 +581,7 @@ static int xe_info_init(struct xe_device *xe,
 	xe->info.graphics_name = graphics_desc->name;
 	xe->info.media_name = media_desc ? media_desc->name : "none";
 	xe->info.has_llc = desc->has_llc;
+	xe->info.has_csc_uid = desc->has_csc_uid;
 	xe->info.has_sriov = desc->has_sriov;
 	xe->info.bypass_mtcfg = desc->bypass_mtcfg;
 	xe->info.supports_mmio_ext = desc->supports_mmio_ext;
-- 
2.25.1