Commit 866b2b17 authored by Koby Elbaz's avatar Koby Elbaz Committed by Rodrigo Vivi
Browse files

drm/xe: add MMIO extension support flags 



Besides the regular MMIO space that exists by default, MMIO
extension support & MMIO extension tile size should both be
defined per device, and updated from the device's descriptor.

Signed-off-by: default avatarKoby Elbaz <kelbaz@habana.ai>
Reviewed-by: default avatarOfir Bitton <obitton@habana.ai>
Reviewed-by: default avatarMoti Haimovski <mhaimovski@habana.ai>
Signed-off-by: default avatarRodrigo Vivi <rodrigo.vivi@intel.com>
parent fdef72e0

drivers/gpu/drm/xe/xe_device_types.h

+4 −0
Original line number Diff line number Diff line
@@ -200,6 +200,8 @@ struct xe_device { 
		const char *graphics_name;

		/** @media_name: media IP name */

		const char *media_name;

		/** @tile_mmio_ext_size: size of MMIO extension space, per-tile */

		u32 tile_mmio_ext_size;

		/** @graphics_verx100: graphics IP version */

		u32 graphics_verx100;

		/** @media_verx100: media IP version */
@@ -245,6 +247,8 @@ struct xe_device { 
		u8 has_range_tlb_invalidation:1;

		/** @bypass_mtcfg: Bypass Multi-Tile configuration from MTCFG register */

		u8 bypass_mtcfg:1;

		/** @supports_mmio_ext: supports MMIO extension/s */

		u8 supports_mmio_ext:1;

	} info;



	/** @irq: device interrupt state */

drivers/gpu/drm/xe/xe_pci.c

+3 −0
Original line number Diff line number Diff line
@@ -57,6 +57,7 @@ struct xe_device_desc { 
	u8 is_dgfx:1;

	u8 has_llc:1;

	u8 bypass_mtcfg:1;

	u8 supports_mmio_ext:1;

};



#define PLATFORM(x)		\
@@ -555,6 +556,8 @@ static int xe_info_init(struct xe_device *xe, 
	xe->info.media_name = media_desc ? media_desc->name : "none";

	xe->info.has_llc = desc->has_llc;

	xe->info.bypass_mtcfg = desc->bypass_mtcfg;

	xe->info.supports_mmio_ext = desc->supports_mmio_ext;

	xe->info.tile_mmio_ext_size = graphics_desc->tile_mmio_ext_size;



	xe->info.dma_mask_size = graphics_desc->dma_mask_size;

	xe->info.vram_flags = graphics_desc->vram_flags;

drivers/gpu/drm/xe/xe_pci_types.h

+2 −0
Original line number Diff line number Diff line
@@ -20,6 +20,8 @@ struct xe_graphics_desc { 


	u64 hw_engine_mask;	/* hardware engines provided by graphics IP */



	u32 tile_mmio_ext_size; /* size of MMIO extension space, per-tile */



	u8 max_remote_tiles:2;



	u8 has_asid:1;