[PATCH 1/5] drm/panfrost: Add job slot register defs for affinity

Adrián Larumbe posted 5 patches 5 months, 2 weeks ago
There is a newer version of this series
[PATCH 1/5] drm/panfrost: Add job slot register defs for affinity
Posted by Adrián Larumbe 5 months, 2 weeks ago
From: Boris Brezillon <boris.brezillon@collabora.com>

This will let us set the affinity (L2 caches and tiler units that can
process a job) in future commits.

Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Signed-off-by: Adrián Larumbe <adrian.larumbe@collabora.com>
---
 drivers/gpu/drm/panfrost/panfrost_regs.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/panfrost/panfrost_regs.h b/drivers/gpu/drm/panfrost/panfrost_regs.h
index 2b8f1617b836..a63cd65b344a 100644
--- a/drivers/gpu/drm/panfrost/panfrost_regs.h
+++ b/drivers/gpu/drm/panfrost/panfrost_regs.h
@@ -253,6 +253,7 @@
 #define JS_AFFINITY_NEXT_LO(n)		(JS_BASE + ((n) * JS_SLOT_STRIDE) + 0x50)
 #define JS_AFFINITY_NEXT_HI(n)		(JS_BASE + ((n) * JS_SLOT_STRIDE) + 0x54)
 #define JS_CONFIG_NEXT(n)		(JS_BASE + ((n) * JS_SLOT_STRIDE) + 0x58)
+#define JS_XAFFINITY_NEXT(n)		(JS_BASE + ((n) * JS_SLOT_STRIDE) + 0x5c)
 #define JS_COMMAND_NEXT(n)		(JS_BASE + ((n) * JS_SLOT_STRIDE) + 0x60)
 #define JS_FLUSH_ID_NEXT(n)		(JS_BASE + ((n) * JS_SLOT_STRIDE) + 0x70)
 
@@ -267,6 +268,11 @@
 #define JS_CONFIG_DISABLE_DESCRIPTOR_WR_BK	BIT(15)
 #define JS_CONFIG_THREAD_PRI(n)			((n) << 16)
 
+/* Possible values of JS_XAFFINITY and JS_XAFFINITY_NEXT registers */
+#define JS_XAFFINITY_ENABLE		BIT(0)
+#define JS_XAFFINITY_TILER_MASK(x)	(((u32)(x) & GENMASK(7, 0)) << 8)
+#define JS_XAFFINITY_L2_MASK(x)		(((u32)(x) & GENMASK(15, 0)) << 16)
+
 #define JS_COMMAND_NOP			0x00
 #define JS_COMMAND_START		0x01
 #define JS_COMMAND_SOFT_STOP		0x02	/* Gently stop processing a job chain */
-- 
2.50.0