[PATCH 3/9] drm/xe/vf: Don't apply tile workarounds if VF

Michal Wajdeczko michal.wajdeczko at intel.com
Wed Jun 19 21:45:51 UTC 2024


The VF drivers can't apply any workarounds as they don't have
access to related registers. Since xe_wa_apply_tile_workarounds()
function is not using RTP yet, we have to add early return.

Signed-off-by: Michal Wajdeczko <michal.wajdeczko at intel.com>
Cc: Matt Roper <matthew.d.roper at intel.com>
---
 drivers/gpu/drm/xe/xe_wa.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/xe/xe_wa.c b/drivers/gpu/drm/xe/xe_wa.c
index 0b6fbbebc41e..73dd06ad50f8 100644
--- a/drivers/gpu/drm/xe/xe_wa.c
+++ b/drivers/gpu/drm/xe/xe_wa.c
@@ -21,6 +21,7 @@
 #include "xe_mmio.h"
 #include "xe_platform_types.h"
 #include "xe_rtp.h"
+#include "xe_sriov.h"
 #include "xe_step.h"
 
 /**
@@ -865,6 +866,9 @@ void xe_wa_apply_tile_workarounds(struct xe_tile *tile)
 {
 	struct xe_gt *mmio = tile->primary_gt;
 
+	if (IS_SRIOV_VF(tile->xe))
+		return;
+
 	if (XE_WA(mmio, 22010954014))
 		xe_mmio_rmw32(mmio, XEHP_CLOCK_GATE_DIS, 0, SGSI_SIDECLK_DIS);
 }
-- 
2.43.0



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