From f1cb5f647e8959a1034941d85b311d7485a7095f Mon Sep 17 00:00:00 2001 From: Vinay Belgaumkar Date: Fri, 17 Nov 2023 16:02:01 -0800 Subject: [PATCH] drm/xe: Add skip_guc_pc flag This flag can be used to disable GuC based power management. This could be used for debug or comparison to host based C6. v2: Fix missing definition Reviewed-by: Rodrigo Vivi Signed-off-by: Vinay Belgaumkar Signed-off-by: Rodrigo Vivi --- drivers/gpu/drm/xe/xe_device_types.h | 2 ++ drivers/gpu/drm/xe/xe_pci.c | 2 ++ 2 files changed, 4 insertions(+) diff --git a/drivers/gpu/drm/xe/xe_device_types.h b/drivers/gpu/drm/xe/xe_device_types.h index ea53f9dfc199..c4b6aa8fcec1 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; + /** @skip_guc_pc: Skip GuC based PM feature init */ + u8 skip_guc_pc: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 bbf2f5b64bac..1c4f9081e84c 100644 --- a/drivers/gpu/drm/xe/xe_pci.c +++ b/drivers/gpu/drm/xe/xe_pci.c @@ -64,6 +64,7 @@ struct xe_device_desc { u8 has_sriov:1; u8 bypass_mtcfg:1; u8 supports_mmio_ext:1; + u8 skip_guc_pc:1; }; __diag_push(); @@ -591,6 +592,7 @@ static int xe_info_init(struct xe_device *xe, xe->info.has_asid = graphics_desc->has_asid; xe->info.has_flat_ccs = graphics_desc->has_flat_ccs; xe->info.has_range_tlb_invalidation = graphics_desc->has_range_tlb_invalidation; + xe->info.skip_guc_pc = desc->skip_guc_pc; xe->info.enable_display = IS_ENABLED(CONFIG_DRM_XE_DISPLAY) && xe_modparam.enable_display && -- 2.39.5