On Thu, 24 Aug 2023 02:34:44 +0100 Adrián Larumbe <adrian.larumbe@xxxxxxxxxxxxx> wrote: > 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> > --- > 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 */
