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authorAdrián Larumbe <adrian.larumbe@collabora.com>2023-09-29 19:14:27 +0100
committerBoris Brezillon <boris.brezillon@collabora.com>2023-10-04 12:57:03 +0200
commit51dcc15b5b0fb548c47cf5188f88d86fe79312bd (patch)
treee4870e797562fbccc6a0a8791716b44ba5b2ea5d
parent653e2486450a0d973d15f6ae870cfdfad1b8fe17 (diff)
drm/panfrost: Add cycle count GPU register definitions
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@collabora.com> Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com> Reviewed-by: Steven Price <steven.price@arm.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230929181616.2769345-2-adrian.larumbe@collabora.com
-rw-r--r--drivers/gpu/drm/panfrost/panfrost_regs.h5
1 files changed, 5 insertions, 0 deletions
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 */