Commit f1cb5f64 authored Nov 17, 2023 by Vinay Belgaumkar Committed by Rodrigo Vivi Dec 21, 2023

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 <rodrigo.vivi@intel.com>
Signed-off-by: Vinay Belgaumkar <vinay.belgaumkar@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

parent c550f64f

drivers/gpu/drm/xe/xe_device_types.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -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 {

drivers/gpu/drm/xe/xe_pci.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -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 &&