summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/gpu/drm/xe/xe_device_types.h2
-rw-r--r--drivers/gpu/drm/xe/xe_pci.c5
2 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_device_types.h b/drivers/gpu/drm/xe/xe_device_types.h
index a68cc47ce014..a42cb26e7d6d 100644
--- a/drivers/gpu/drm/xe/xe_device_types.h
+++ b/drivers/gpu/drm/xe/xe_device_types.h
@@ -336,6 +336,8 @@ struct xe_device {
u8 has_usm:1;
/** @info.is_dgfx: is discrete device */
u8 is_dgfx:1;
+ /** @info.needs_scratch: needs scratch page for oob prefetch to work */
+ u8 needs_scratch:1;
/**
* @info.probe_display: Probe display hardware. If set to
* false, the driver will behave as if there is no display
diff --git a/drivers/gpu/drm/xe/xe_pci.c b/drivers/gpu/drm/xe/xe_pci.c
index 58347fa91841..780287692e61 100644
--- a/drivers/gpu/drm/xe/xe_pci.c
+++ b/drivers/gpu/drm/xe/xe_pci.c
@@ -68,6 +68,7 @@ struct xe_device_desc {
u8 has_llc:1;
u8 has_pxp:1;
u8 has_sriov:1;
+ u8 needs_scratch:1;
u8 skip_guc_pc:1;
u8 skip_mtcfg:1;
u8 skip_pcode:1;
@@ -331,6 +332,7 @@ static const struct xe_device_desc lnl_desc = {
.dma_mask_size = 46,
.has_display = true,
.has_pxp = true,
+ .needs_scratch = true,
};
static const struct xe_device_desc bmg_desc = {
@@ -340,6 +342,7 @@ static const struct xe_device_desc bmg_desc = {
.has_display = true,
.has_fan_control = true,
.has_heci_cscfi = 1,
+ .needs_scratch = true,
};
static const struct xe_device_desc ptl_desc = {
@@ -348,6 +351,7 @@ static const struct xe_device_desc ptl_desc = {
.has_display = true,
.has_sriov = true,
.require_force_probe = true,
+ .needs_scratch = true,
};
#undef PLATFORM
@@ -587,6 +591,7 @@ static int xe_info_init_early(struct xe_device *xe,
xe->info.skip_guc_pc = desc->skip_guc_pc;
xe->info.skip_mtcfg = desc->skip_mtcfg;
xe->info.skip_pcode = desc->skip_pcode;
+ xe->info.needs_scratch = desc->needs_scratch;
xe->info.probe_display = IS_ENABLED(CONFIG_DRM_XE_DISPLAY) &&
xe_modparam.probe_display &&