[PATCH v6 1/6] drm/panfrost: Add cycle count GPU register definitions

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



These GPU registers will be used when programming the cycle counter, which
we need for providing accurate fdinfo drm-cycles values to user space.

Signed-off-by: Adrián Larumbe <adrian.larumbe@xxxxxxxxxxxxx>
Reviewed-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxx>
Reviewed-by: Steven Price <steven.price@xxxxxxx>
---
 drivers/gpu/drm/panfrost/panfrost_regs.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/panfrost/panfrost_regs.h b/drivers/gpu/drm/panfrost/panfrost_regs.h
index 919f44ac853d..55ec807550b3 100644
--- a/drivers/gpu/drm/panfrost/panfrost_regs.h
+++ b/drivers/gpu/drm/panfrost/panfrost_regs.h
@@ -46,6 +46,8 @@
 #define   GPU_CMD_SOFT_RESET		0x01
 #define   GPU_CMD_PERFCNT_CLEAR		0x03
 #define   GPU_CMD_PERFCNT_SAMPLE	0x04
+#define   GPU_CMD_CYCLE_COUNT_START	0x05
+#define   GPU_CMD_CYCLE_COUNT_STOP	0x06
 #define   GPU_CMD_CLEAN_CACHES		0x07
 #define   GPU_CMD_CLEAN_INV_CACHES	0x08
 #define GPU_STATUS			0x34
@@ -73,6 +75,9 @@
 #define GPU_PRFCNT_TILER_EN		0x74
 #define GPU_PRFCNT_MMU_L2_EN		0x7c
 
+#define GPU_CYCLE_COUNT_LO		0x90
+#define GPU_CYCLE_COUNT_HI		0x94
+
 #define GPU_THREAD_MAX_THREADS		0x0A0	/* (RO) Maximum number of threads per core */
 #define GPU_THREAD_MAX_WORKGROUP_SIZE	0x0A4	/* (RO) Maximum workgroup size */
 #define GPU_THREAD_MAX_BARRIER_SIZE	0x0A8	/* (RO) Maximum threads waiting at a barrier */
-- 
2.42.0




[Index of Archives]     [Linux ARM Kernel]     [Linux ARM]     [Linux Omap]     [Fedora ARM]     [Linux for Sparc]     [IETF Annouce]     [Security]     [Bugtraq]     [Linux MIPS]     [ECOS]     [Asterisk Internet PBX]     [Linux API]

  Powered by Linux