Proxmox-Port/linux
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2025-09-01 09:36:29 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

drm/xe: add MMIO extension support flags

Browse Source 
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: Koby Elbaz <kelbaz@habana.ai>
Reviewed-by: Ofir Bitton <obitton@habana.ai>
Reviewed-by: Moti Haimovski <mhaimovski@habana.ai>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
This commit is contained in:
Koby Elbaz 2023-10-05 11:06:17 -04:00 committed by Rodrigo Vivi
parent fdef72e02e
commit 866b2b1764
3 changed files with 9 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/gpu/drm/xe/xe_device_types.h
View File

@ -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 */

3
drivers/gpu/drm/xe/xe_pci.c
View File

@ -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;

2
drivers/gpu/drm/xe/xe_pci_types.h
View File

@ -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;