[Intel-xe] [PATCH 2/4] drm/xe/mmio: add xe_mmio_read16()

Jani Nikula jani.nikula at intel.com
Tue Jul 4 15:32:41 UTC 2023


Little by little, make stuff feature complete.

Signed-off-by: Jani Nikula <jani.nikula at intel.com>
---
 drivers/gpu/drm/xe/xe_mmio.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/gpu/drm/xe/xe_mmio.h b/drivers/gpu/drm/xe/xe_mmio.h
index 3c547d78afba..4953a9a3f1fb 100644
--- a/drivers/gpu/drm/xe/xe_mmio.h
+++ b/drivers/gpu/drm/xe/xe_mmio.h
@@ -31,6 +31,16 @@ static inline u8 xe_mmio_read8(struct xe_gt *gt, struct xe_reg reg)
 	return readb(tile->mmio.regs + reg.addr);
 }
 
+static inline u16 xe_mmio_read16(struct xe_gt *gt, struct xe_reg reg)
+{
+	struct xe_tile *tile = gt_to_tile(gt);
+
+	if (reg.addr < gt->mmio.adj_limit)
+		reg.addr += gt->mmio.adj_offset;
+
+	return readw(tile->mmio.regs + reg.addr);
+}
+
 static inline void xe_mmio_write32(struct xe_gt *gt,
 				   struct xe_reg reg, u32 val)
 {
-- 
2.39.2



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