torvalds/linux
3
0
Fork 0
mirror of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-03-22 07:27:12 +08:00
Code Issues Packages Projects Releases Wiki Activity

drm/xe: Add CTB_H2G_BUFFER_OFFSET define

Browse Source 
Rather than open coding the H2G buffer offset as 'CTB_DESC_SIZE * 2' add
CTB_H2G_BUFFER_OFFSET define.

Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Link: https://lore.kernel.org/r/20251008214532.3442967-24-matthew.brost@intel.com
This commit is contained in:
Matthew Brost
2025-10-08 14:45:21 -07:00
parent fe3a615dad
commit 4bdfb05305
1 changed files with 6 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
drivers/gpu/drm/xe/xe_guc_ct.c
View File

@@ -167,6 +167,7 @@ ct_to_xe(struct xe_guc_ct *ct)
*/
#define CTB_DESC_SIZE ALIGN(sizeof(struct guc_ct_buffer_desc), SZ_2K)
#define CTB_H2G_BUFFER_OFFSET (CTB_DESC_SIZE * 2)
#define CTB_H2G_BUFFER_SIZE (SZ_4K)
#define CTB_G2H_BUFFER_SIZE (SZ_128K)
#define G2H_ROOM_BUFFER_SIZE (CTB_G2H_BUFFER_SIZE / 2)
@@ -190,7 +191,7 @@ long xe_guc_ct_queue_proc_time_jiffies(struct xe_guc_ct *ct)
static size_t guc_ct_size(void)
{
return 2 * CTB_DESC_SIZE + CTB_H2G_BUFFER_SIZE +
return CTB_H2G_BUFFER_OFFSET + CTB_H2G_BUFFER_SIZE +
CTB_G2H_BUFFER_SIZE;
}
@@ -331,7 +332,7 @@ static void guc_ct_ctb_h2g_init(struct xe_device *xe, struct guc_ctb *h2g,
h2g->desc = *map;
xe_map_memset(xe, &h2g->desc, 0, 0, sizeof(struct guc_ct_buffer_desc));
h2g->cmds = IOSYS_MAP_INIT_OFFSET(map, CTB_DESC_SIZE * 2);
h2g->cmds = IOSYS_MAP_INIT_OFFSET(map, CTB_H2G_BUFFER_OFFSET);
}
static void guc_ct_ctb_g2h_init(struct xe_device *xe, struct guc_ctb *g2h,
@@ -349,7 +350,7 @@ static void guc_ct_ctb_g2h_init(struct xe_device *xe, struct guc_ctb *g2h,
g2h->desc = IOSYS_MAP_INIT_OFFSET(map, CTB_DESC_SIZE);
xe_map_memset(xe, &g2h->desc, 0, 0, sizeof(struct guc_ct_buffer_desc));
g2h->cmds = IOSYS_MAP_INIT_OFFSET(map, CTB_DESC_SIZE * 2 +
g2h->cmds = IOSYS_MAP_INIT_OFFSET(map, CTB_H2G_BUFFER_OFFSET +
CTB_H2G_BUFFER_SIZE);
}
@@ -360,7 +361,7 @@ static int guc_ct_ctb_h2g_register(struct xe_guc_ct *ct)
int err;
desc_addr = xe_bo_ggtt_addr(ct->bo);
ctb_addr = xe_bo_ggtt_addr(ct->bo) + CTB_DESC_SIZE * 2;
ctb_addr = xe_bo_ggtt_addr(ct->bo) + CTB_H2G_BUFFER_OFFSET;
size = ct->ctbs.h2g.info.size * sizeof(u32);
err = xe_guc_self_cfg64(guc,
@@ -387,7 +388,7 @@ static int guc_ct_ctb_g2h_register(struct xe_guc_ct *ct)
int err;
desc_addr = xe_bo_ggtt_addr(ct->bo) + CTB_DESC_SIZE;
ctb_addr = xe_bo_ggtt_addr(ct->bo) + CTB_DESC_SIZE * 2 +
ctb_addr = xe_bo_ggtt_addr(ct->bo) + CTB_H2G_BUFFER_OFFSET +
CTB_H2G_BUFFER_SIZE;
size = ct->ctbs.g2h.info.size * sizeof(u32);