[PATCH 08/11] drm/xe/xe2hpg: Limit chunk size to 4MiB for vram

[Balasubramani Vivekanandan]

From: Akshata Jahagirdar <akshata.jahagirdar at intel.com>

Currently, The maximum chunk size for vram copy is 8 MiB, which means
flat ccs copy would be able handle 8 MiB/(page_sizes).  Since page size
for vram is 4k the value will be 2048 pages which won't fit in 10
bitspace.

Therefore we need to limit chunk size to 4MiB the way it is for LNL.

Signed-off-by: Akshata Jahagirdar <akshata.jahagirdar at intel.com>
Signed-off-by: Himal Prasad Ghimiray <himal.prasad.ghimiray at intel.com>
Signed-off-by: Balasubramani Vivekanandan <balasubramani.vivekanandan at intel.com>
---
 drivers/gpu/drm/xe/xe_migrate.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/xe/xe_migrate.c b/drivers/gpu/drm/xe/xe_migrate.c
index ee1bb938c493..07a09649787d 100644
--- a/drivers/gpu/drm/xe/xe_migrate.c
+++ b/drivers/gpu/drm/xe/xe_migrate.c
@@ -407,7 +407,7 @@ struct xe_migrate *xe_migrate_init(struct xe_tile *tile)
 
 static u64 max_mem_transfer_per_pass(struct xe_device *xe)
 {
-	if (!IS_DGFX(xe) && xe_device_has_flat_ccs(xe))
+	if (GRAPHICS_VER(xe) >= 20 && xe_device_has_flat_ccs(xe))
 		return MAX_CCS_LIMITED_TRANSFER;
 
 	return MAX_PREEMPTDISABLE_TRANSFER;
-- 
2.25.1