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SubjectRe: [PATCH] gpu: host1x: Fix MLOCK's debug info
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Date
28.06.2015 22:27, Dmitry Osipenko пишет:
> MLOCK's debug info, spewed on CDMA timeout, contains meaningless MLOCK
> owner channel ID because HOST1X_SYNC_MLOCK_OWNER_CHID_F() returns shifted
> value, while unshifted should be used. Fix it by changing '_F' to '_V'.
>
> Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
> ---
> drivers/gpu/host1x/hw/debug_hw.c | 2 +-
> drivers/gpu/host1x/hw/hw_host1x01_sync.h | 8 ++++----
> drivers/gpu/host1x/hw/hw_host1x02_sync.h | 8 ++++----
> drivers/gpu/host1x/hw/hw_host1x04_sync.h | 8 ++++----
> 4 files changed, 13 insertions(+), 13 deletions(-)
>
> diff --git a/drivers/gpu/host1x/hw/debug_hw.c b/drivers/gpu/host1x/hw/debug_hw.c
> index 791de93..cc3f182 100644
> --- a/drivers/gpu/host1x/hw/debug_hw.c
> +++ b/drivers/gpu/host1x/hw/debug_hw.c
> @@ -298,7 +298,7 @@ static void host1x_debug_show_mlocks(struct host1x *host, struct output *o)
> host1x_sync_readl(host, HOST1X_SYNC_MLOCK_OWNER(i));
> if (HOST1X_SYNC_MLOCK_OWNER_CH_OWNS_V(owner))
> host1x_debug_output(o, "%d: locked by channel %d\n",
> - i, HOST1X_SYNC_MLOCK_OWNER_CHID_F(owner));
> + i, HOST1X_SYNC_MLOCK_OWNER_CHID_V(owner));
> else if (HOST1X_SYNC_MLOCK_OWNER_CPU_OWNS_V(owner))
> host1x_debug_output(o, "%d: locked by cpu\n", i);
> else
> diff --git a/drivers/gpu/host1x/hw/hw_host1x01_sync.h b/drivers/gpu/host1x/hw/hw_host1x01_sync.h
> index ac704e5..31238c2 100644
> --- a/drivers/gpu/host1x/hw/hw_host1x01_sync.h
> +++ b/drivers/gpu/host1x/hw/hw_host1x01_sync.h
> @@ -131,12 +131,12 @@ static inline u32 host1x_sync_mlock_owner_r(unsigned int id)
> }
> #define HOST1X_SYNC_MLOCK_OWNER(id) \
> host1x_sync_mlock_owner_r(id)
> -static inline u32 host1x_sync_mlock_owner_chid_f(u32 v)
> +static inline u32 host1x_sync_mlock_owner_chid_v(u32 v)
> {
> - return (v & 0xf) << 8;
> + return (v >> 8) & 0xf;
> }
> -#define HOST1X_SYNC_MLOCK_OWNER_CHID_F(v) \
> - host1x_sync_mlock_owner_chid_f(v)
> +#define HOST1X_SYNC_MLOCK_OWNER_CHID_V(v) \
> + host1x_sync_mlock_owner_chid_v(v)
> static inline u32 host1x_sync_mlock_owner_cpu_owns_v(u32 r)
> {
> return (r >> 1) & 0x1;
> diff --git a/drivers/gpu/host1x/hw/hw_host1x02_sync.h b/drivers/gpu/host1x/hw/hw_host1x02_sync.h
> index 4495401..540c7b6 100644
> --- a/drivers/gpu/host1x/hw/hw_host1x02_sync.h
> +++ b/drivers/gpu/host1x/hw/hw_host1x02_sync.h
> @@ -131,12 +131,12 @@ static inline u32 host1x_sync_mlock_owner_r(unsigned int id)
> }
> #define HOST1X_SYNC_MLOCK_OWNER(id) \
> host1x_sync_mlock_owner_r(id)
> -static inline u32 host1x_sync_mlock_owner_chid_f(u32 v)
> +static inline u32 host1x_sync_mlock_owner_chid_v(u32 v)
> {
> - return (v & 0xf) << 8;
> + return (v >> 8) & 0xf;
> }
> -#define HOST1X_SYNC_MLOCK_OWNER_CHID_F(v) \
> - host1x_sync_mlock_owner_chid_f(v)
> +#define HOST1X_SYNC_MLOCK_OWNER_CHID_V(v) \
> + host1x_sync_mlock_owner_chid_v(v)
> static inline u32 host1x_sync_mlock_owner_cpu_owns_v(u32 r)
> {
> return (r >> 1) & 0x1;
> diff --git a/drivers/gpu/host1x/hw/hw_host1x04_sync.h b/drivers/gpu/host1x/hw/hw_host1x04_sync.h
> index ef2275b..3d6c8ec 100644
> --- a/drivers/gpu/host1x/hw/hw_host1x04_sync.h
> +++ b/drivers/gpu/host1x/hw/hw_host1x04_sync.h
> @@ -131,12 +131,12 @@ static inline u32 host1x_sync_mlock_owner_r(unsigned int id)
> }
> #define HOST1X_SYNC_MLOCK_OWNER(id) \
> host1x_sync_mlock_owner_r(id)
> -static inline u32 host1x_sync_mlock_owner_chid_f(u32 v)
> +static inline u32 host1x_sync_mlock_owner_chid_v(u32 v)
> {
> - return (v & 0xf) << 8;
> + return (v >> 8) & 0xf;
> }
> -#define HOST1X_SYNC_MLOCK_OWNER_CHID_F(v) \
> - host1x_sync_mlock_owner_chid_f(v)
> +#define HOST1X_SYNC_MLOCK_OWNER_CHID_V(v) \
> + host1x_sync_mlock_owner_chid_v(v)
> static inline u32 host1x_sync_mlock_owner_cpu_owns_v(u32 r)
> {
> return (r >> 1) & 0x1;
>
Ping Thierry

--
Dmitry


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