linux-kernel - [PATCH v4 2/4] drm/xe/gsc: add has_heci

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Message-Id: <20230920094151.1593505-3-alexander.usyskin@intel.com>
Date:   Wed, 20 Sep 2023 12:41:49 +0300
From:   Alexander Usyskin <alexander.usyskin@...el.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Lucas De Marchi <lucas.demarchi@...el.com>,
        Daniele Ceraolo Spurio <daniele.ceraolospurio@...el.com>,
        Rodrigo Vivi <rodrigo.vivi@...el.com>
Cc:     Tomas Winkler <tomas.winkler@...el.com>,
        Alexander Usyskin <alexander.usyskin@...el.com>,
        Vitaly Lubart <vitaly.lubart@...el.com>,
        intel-xe@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: [PATCH v4 2/4] drm/xe/gsc: add has_heci_gscfi indication to device

From: Vitaly Lubart <vitaly.lubart@...el.com>

Mark support of MEI-GSC interaction per device.
Add has_heci_gscfi indication to xe_device and xe_pci structures.
Mark DG1 and DG2 devices as supported.

Reviewed-by: Rodrigo Vivi <rodrigo.vivi@...el.com>
Signed-off-by: Vitaly Lubart <vitaly.lubart@...el.com>
Signed-off-by: Alexander Usyskin <alexander.usyskin@...el.com>
---
 drivers/gpu/drm/xe/xe_device_types.h | 3 +++
 drivers/gpu/drm/xe/xe_pci.c          | 9 +++++++--
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/xe/xe_device_types.h b/drivers/gpu/drm/xe/xe_device_types.h
index a82f28c6a3a0..696416afa7d1 100644
--- a/drivers/gpu/drm/xe/xe_device_types.h
+++ b/drivers/gpu/drm/xe/xe_device_types.h
@@ -33,6 +33,7 @@ struct xe_ggtt;
 #define GRAPHICS_VERx100(xe) ((xe)->info.graphics_verx100)
 #define MEDIA_VERx100(xe) ((xe)->info.media_verx100)
 #define IS_DGFX(xe) ((xe)->info.is_dgfx)
+#define HAS_HECI_GSCFI(xe) ((xe)->info.has_heci_gscfi)
 
 #define XE_VRAM_FLAGS_NEED64K		BIT(0)
 
@@ -238,6 +239,8 @@ struct xe_device {
 		u8 has_link_copy_engine:1;
 		/** @enable_display: display enabled */
 		u8 enable_display:1;
+		/** @has_heci_gscfi: device has heci gscfi */
+		u8 has_heci_gscfi:1;
 
 #if IS_ENABLED(CONFIG_DRM_XE_DISPLAY)
 		const struct intel_display_device_info *display;
diff --git a/drivers/gpu/drm/xe/xe_pci.c b/drivers/gpu/drm/xe/xe_pci.c
index dc233a1226bd..145eaa430d74 100644
--- a/drivers/gpu/drm/xe/xe_pci.c
+++ b/drivers/gpu/drm/xe/xe_pci.c
@@ -57,6 +57,7 @@ struct xe_device_desc {
 	u8 require_force_probe:1;
 	u8 is_dgfx:1;
 	u8 has_display:1;
+	u8 has_heci_gscfi:1;
 
 	u8 has_llc:1;
 };
@@ -265,6 +266,7 @@ static const struct xe_device_desc dg1_desc = {
 	PLATFORM(XE_DG1),
 	.has_display = true,
 	.require_force_probe = true,
+	.has_heci_gscfi = 1,
 };
 
 static const u16 dg2_g10_ids[] = { XE_DG2_G10_IDS(NOP), XE_ATS_M150_IDS(NOP), 0 };
@@ -274,6 +276,7 @@ static const u16 dg2_g12_ids[] = { XE_DG2_G12_IDS(NOP), 0 };
 #define DG2_FEATURES \
 	DGFX_FEATURES, \
 	PLATFORM(XE_DG2), \
+	.has_heci_gscfi = 1, \
 	.subplatforms = (const struct xe_subplatform_desc[]) { \
 		{ XE_SUBPLATFORM_DG2_G10, "G10", dg2_g10_ids }, \
 		{ XE_SUBPLATFORM_DG2_G11, "G11", dg2_g11_ids }, \
@@ -562,6 +565,7 @@ static int xe_info_init(struct xe_device *xe,
 		return -ENODEV;
 
 	xe->info.is_dgfx = desc->is_dgfx;
+	xe->info.has_heci_gscfi = desc->has_heci_gscfi;
 	xe->info.graphics_name = graphics_desc->name;
 	xe->info.media_name = media_desc ? media_desc->name : "none";
 	xe->info.has_llc = desc->has_llc;
@@ -703,7 +707,7 @@ static int xe_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 
 	xe_display_info_init(xe);
 
-	drm_dbg(&xe->drm, "%s %s %04x:%04x dgfx:%d gfx:%s (%d.%02d) media:%s (%d.%02d) display:%s dma_m_s:%d tc:%d",
+	drm_dbg(&xe->drm, "%s %s %04x:%04x dgfx:%d gfx:%s (%d.%02d) media:%s (%d.%02d) display:%s dma_m_s:%d tc:%d gscfi:%d",
 		desc->platform_name,
 		subplatform_desc ? subplatform_desc->name : "",
 		xe->info.devid, xe->info.revid,
@@ -715,7 +719,8 @@ static int xe_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 		xe->info.media_verx100 / 100,
 		xe->info.media_verx100 % 100,
 		str_yes_no(xe->info.enable_display),
-		xe->info.dma_mask_size, xe->info.tile_count);
+		xe->info.dma_mask_size, xe->info.tile_count,
+		xe->info.has_heci_gscfi);
 
 	drm_dbg(&xe->drm, "Stepping = (G:%s, M:%s, D:%s, B:%s)\n",
 		xe_step_name(xe->info.step.graphics),
-- 
2.34.1