> -----Original Message-----
> From: Nikula, Jani <jani.nik...@intel.com>
> Sent: 18 May 2021 14:04
> To: intel-gfx@lists.freedesktop.org
> Cc: Nikula, Jani <jani.nik...@intel.com>; Surendrakumar Upadhyay,
> TejaskumarX <tejaskumarx.surendrakumar.upadh...@intel.com>
> Subject: [PATCH] drm/i915/reg: replace BIT() usage with REG_BIT()
> 
> REG_BIT() was provided to specify bits as u32 and have them statically
> checked, while BIT() is unsigned long with no checks. Replace the uses that
> have crept in.
> 
> Cc: Tejas Upadhyay <tejaskumarx.surendrakumar.upadh...@intel.com>
> Signed-off-by: Jani Nikula <jani.nik...@intel.com>

Reviewed-by: Tejas Upadhyay <tejaskumarx.surendrakumar.upadh...@intel.com>

> ---
>  drivers/gpu/drm/i915/i915_reg.h | 100 ++++++++++++++++----------------
>  1 file changed, 50 insertions(+), 50 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_reg.h
> b/drivers/gpu/drm/i915/i915_reg.h index 089b5a59bed3..06ebe72e569d
> 100644
> --- a/drivers/gpu/drm/i915/i915_reg.h
> +++ b/drivers/gpu/drm/i915/i915_reg.h
> @@ -4078,9 +4078,9 @@ static inline bool i915_mmio_reg_valid(i915_reg_t
> reg)
>   * Logical Context regs
>   */
>  #define CCID(base)                   _MMIO((base) + 0x180)
> -#define   CCID_EN                    BIT(0)
> -#define   CCID_EXTENDED_STATE_RESTORE        BIT(2)
> -#define   CCID_EXTENDED_STATE_SAVE   BIT(3)
> +#define   CCID_EN                    REG_BIT(0)
> +#define   CCID_EXTENDED_STATE_RESTORE        REG_BIT(2)
> +#define   CCID_EXTENDED_STATE_SAVE   REG_BIT(3)
>  /*
>   * Notes on SNB/IVB/VLV context size:
>   * - Power context is saved elsewhere (LLC or stolen) @@ -9037,9 +9037,9
> @@ enum {
>  #define  FORCEWAKE_ACK_MEDIA_VEBOX_GEN11(n)  _MMIO(0x0D70 + (n)
> * 4)
>  #define  FORCEWAKE_ACK_RENDER_GEN9           _MMIO(0x0D84)
>  #define  FORCEWAKE_ACK_GT_GEN9                       _MMIO(0x130044)
> -#define   FORCEWAKE_KERNEL                   BIT(0)
> -#define   FORCEWAKE_USER                     BIT(1)
> -#define   FORCEWAKE_KERNEL_FALLBACK          BIT(15)
> +#define   FORCEWAKE_KERNEL                   REG_BIT(0)
> +#define   FORCEWAKE_USER                     REG_BIT(1)
> +#define   FORCEWAKE_KERNEL_FALLBACK          REG_BIT(15)
>  #define  FORCEWAKE_MT_ACK                    _MMIO(0x130040)
>  #define  ECOBUS                                      _MMIO(0xa180)
>  #define    FORCEWAKE_MT_ENABLE                       (1 << 5)
> @@ -9753,30 +9753,30 @@ enum skl_power_gate {
> 
>  /* HDCP Key Registers */
>  #define HDCP_KEY_CONF                        _MMIO(0x66c00)
> -#define  HDCP_AKSV_SEND_TRIGGER              BIT(31)
> -#define  HDCP_CLEAR_KEYS_TRIGGER     BIT(30)
> -#define  HDCP_KEY_LOAD_TRIGGER               BIT(8)
> +#define  HDCP_AKSV_SEND_TRIGGER              REG_BIT(31)
> +#define  HDCP_CLEAR_KEYS_TRIGGER     REG_BIT(30)
> +#define  HDCP_KEY_LOAD_TRIGGER               REG_BIT(8)
>  #define HDCP_KEY_STATUS                      _MMIO(0x66c04)
> -#define  HDCP_FUSE_IN_PROGRESS               BIT(7)
> -#define  HDCP_FUSE_ERROR             BIT(6)
> -#define  HDCP_FUSE_DONE                      BIT(5)
> -#define  HDCP_KEY_LOAD_STATUS                BIT(1)
> -#define  HDCP_KEY_LOAD_DONE          BIT(0)
> +#define  HDCP_FUSE_IN_PROGRESS               REG_BIT(7)
> +#define  HDCP_FUSE_ERROR             REG_BIT(6)
> +#define  HDCP_FUSE_DONE                      REG_BIT(5)
> +#define  HDCP_KEY_LOAD_STATUS                REG_BIT(1)
> +#define  HDCP_KEY_LOAD_DONE          REG_BIT(0)
>  #define HDCP_AKSV_LO                 _MMIO(0x66c10)
>  #define HDCP_AKSV_HI                 _MMIO(0x66c14)
> 
>  /* HDCP Repeater Registers */
>  #define HDCP_REP_CTL                 _MMIO(0x66d00)
> -#define  HDCP_TRANSA_REP_PRESENT     BIT(31)
> -#define  HDCP_TRANSB_REP_PRESENT     BIT(30)
> -#define  HDCP_TRANSC_REP_PRESENT     BIT(29)
> -#define  HDCP_TRANSD_REP_PRESENT     BIT(28)
> -#define  HDCP_DDIB_REP_PRESENT               BIT(30)
> -#define  HDCP_DDIA_REP_PRESENT               BIT(29)
> -#define  HDCP_DDIC_REP_PRESENT               BIT(28)
> -#define  HDCP_DDID_REP_PRESENT               BIT(27)
> -#define  HDCP_DDIF_REP_PRESENT               BIT(26)
> -#define  HDCP_DDIE_REP_PRESENT               BIT(25)
> +#define  HDCP_TRANSA_REP_PRESENT     REG_BIT(31)
> +#define  HDCP_TRANSB_REP_PRESENT     REG_BIT(30)
> +#define  HDCP_TRANSC_REP_PRESENT     REG_BIT(29)
> +#define  HDCP_TRANSD_REP_PRESENT     REG_BIT(28)
> +#define  HDCP_DDIB_REP_PRESENT               REG_BIT(30)
> +#define  HDCP_DDIA_REP_PRESENT               REG_BIT(29)
> +#define  HDCP_DDIC_REP_PRESENT               REG_BIT(28)
> +#define  HDCP_DDID_REP_PRESENT               REG_BIT(27)
> +#define  HDCP_DDIF_REP_PRESENT               REG_BIT(26)
> +#define  HDCP_DDIE_REP_PRESENT               REG_BIT(25)
>  #define  HDCP_TRANSA_SHA1_M0         (1 << 20)
>  #define  HDCP_TRANSB_SHA1_M0         (2 << 20)
>  #define  HDCP_TRANSC_SHA1_M0         (3 << 20)
> @@ -9787,10 +9787,10 @@ enum skl_power_gate {
>  #define  HDCP_DDID_SHA1_M0           (4 << 20)
>  #define  HDCP_DDIF_SHA1_M0           (5 << 20)
>  #define  HDCP_DDIE_SHA1_M0           (6 << 20) /* Bspec says 5? */
> -#define  HDCP_SHA1_BUSY                      BIT(16)
> -#define  HDCP_SHA1_READY             BIT(17)
> -#define  HDCP_SHA1_COMPLETE          BIT(18)
> -#define  HDCP_SHA1_V_MATCH           BIT(19)
> +#define  HDCP_SHA1_BUSY                      REG_BIT(16)
> +#define  HDCP_SHA1_READY             REG_BIT(17)
> +#define  HDCP_SHA1_COMPLETE          REG_BIT(18)
> +#define  HDCP_SHA1_V_MATCH           REG_BIT(19)
>  #define  HDCP_SHA1_TEXT_32           (1 << 1)
>  #define  HDCP_SHA1_COMPLETE_HASH     (2 << 1)
>  #define  HDCP_SHA1_TEXT_24           (4 << 1)
> @@ -9829,7 +9829,7 @@ enum skl_power_gate {
>                                        TRANS_HDCP_CONF(trans) : \
>                                        PORT_HDCP_CONF(port))
> 
> -#define  HDCP_CONF_CAPTURE_AN                BIT(0)
> +#define  HDCP_CONF_CAPTURE_AN                REG_BIT(0)
>  #define  HDCP_CONF_AUTH_AND_ENC              (BIT(1) | BIT(0))
>  #define PORT_HDCP_ANINIT(port)
>       _PORT_HDCP_AUTHENC(port, 0x4)
>  #define _TRANSA_HDCP_ANINIT          0x66404
> @@ -9906,16 +9906,16 @@ enum skl_power_gate {
>                                        TRANS_HDCP_STATUS(trans) : \
>                                        PORT_HDCP_STATUS(port))
> 
> -#define  HDCP_STATUS_STREAM_A_ENC    BIT(31)
> -#define  HDCP_STATUS_STREAM_B_ENC    BIT(30)
> -#define  HDCP_STATUS_STREAM_C_ENC    BIT(29)
> -#define  HDCP_STATUS_STREAM_D_ENC    BIT(28)
> -#define  HDCP_STATUS_AUTH            BIT(21)
> -#define  HDCP_STATUS_ENC             BIT(20)
> -#define  HDCP_STATUS_RI_MATCH                BIT(19)
> -#define  HDCP_STATUS_R0_READY                BIT(18)
> -#define  HDCP_STATUS_AN_READY                BIT(17)
> -#define  HDCP_STATUS_CIPHER          BIT(16)
> +#define  HDCP_STATUS_STREAM_A_ENC    REG_BIT(31)
> +#define  HDCP_STATUS_STREAM_B_ENC    REG_BIT(30)
> +#define  HDCP_STATUS_STREAM_C_ENC    REG_BIT(29)
> +#define  HDCP_STATUS_STREAM_D_ENC    REG_BIT(28)
> +#define  HDCP_STATUS_AUTH            REG_BIT(21)
> +#define  HDCP_STATUS_ENC             REG_BIT(20)
> +#define  HDCP_STATUS_RI_MATCH                REG_BIT(19)
> +#define  HDCP_STATUS_R0_READY                REG_BIT(18)
> +#define  HDCP_STATUS_AN_READY                REG_BIT(17)
> +#define  HDCP_STATUS_CIPHER          REG_BIT(16)
>  #define  HDCP_STATUS_FRAME_CNT(x)    (((x) >> 8) & 0xff)
> 
>  /* HDCP2.2 Registers */
> @@ -9938,10 +9938,10 @@ enum skl_power_gate {
>  #define _TRANSB_HDCP2_AUTH           0x66598
>  #define TRANS_HDCP2_AUTH(trans)              _MMIO_TRANS(trans,
> _TRANSA_HDCP2_AUTH, \
>                                                   _TRANSB_HDCP2_AUTH)
> -#define   AUTH_LINK_AUTHENTICATED    BIT(31)
> -#define   AUTH_LINK_TYPE             BIT(30)
> -#define   AUTH_FORCE_CLR_INPUTCTR    BIT(19)
> -#define   AUTH_CLR_KEYS                      BIT(18)
> +#define   AUTH_LINK_AUTHENTICATED    REG_BIT(31)
> +#define   AUTH_LINK_TYPE             REG_BIT(30)
> +#define   AUTH_FORCE_CLR_INPUTCTR    REG_BIT(19)
> +#define   AUTH_CLR_KEYS                      REG_BIT(18)
>  #define HDCP2_AUTH(dev_priv, trans, port) \
>                                       (INTEL_GEN(dev_priv) >= 12 ? \
>                                        TRANS_HDCP2_AUTH(trans) : \
> @@ -9952,7 +9952,7 @@ enum skl_power_gate {
>  #define _TRANSB_HDCP2_CTL            0x665B0
>  #define TRANS_HDCP2_CTL(trans)               _MMIO_TRANS(trans,
> _TRANSA_HDCP2_CTL, \
>                                                   _TRANSB_HDCP2_CTL)
> -#define   CTL_LINK_ENCRYPTION_REQ    BIT(31)
> +#define   CTL_LINK_ENCRYPTION_REQ    REG_BIT(31)
>  #define HDCP2_CTL(dev_priv, trans, port) \
>                                       (INTEL_GEN(dev_priv) >= 12 ? \
>                                        TRANS_HDCP2_CTL(trans) : \
> @@ -9964,9 +9964,9 @@ enum skl_power_gate {
>  #define TRANS_HDCP2_STATUS(trans)    _MMIO_TRANS(trans, \
>                                                   _TRANSA_HDCP2_STATUS,
> \
>                                                   _TRANSB_HDCP2_STATUS)
> -#define   LINK_TYPE_STATUS           BIT(22)
> -#define   LINK_AUTH_STATUS           BIT(21)
> -#define   LINK_ENCRYPTION_STATUS     BIT(20)
> +#define   LINK_TYPE_STATUS           REG_BIT(22)
> +#define   LINK_AUTH_STATUS           REG_BIT(21)
> +#define   LINK_ENCRYPTION_STATUS     REG_BIT(20)
>  #define HDCP2_STATUS(dev_priv, trans, port) \
>                                       (INTEL_GEN(dev_priv) >= 12 ? \
>                                        TRANS_HDCP2_STATUS(trans) : \
> @@ -9987,8 +9987,8 @@ enum skl_power_gate {
>  #define TRANS_HDCP2_STREAM_STATUS(trans)     _MMIO_TRANS(trans,
> \
> 
> _TRANSA_HDCP2_STREAM_STATUS, \
> 
> _TRANSB_HDCP2_STREAM_STATUS)
> -#define   STREAM_ENCRYPTION_STATUS   BIT(31)
> -#define   STREAM_TYPE_STATUS         BIT(30)
> +#define   STREAM_ENCRYPTION_STATUS   REG_BIT(31)
> +#define   STREAM_TYPE_STATUS         REG_BIT(30)
>  #define HDCP2_STREAM_STATUS(dev_priv, trans, port) \
>                                       (INTEL_GEN(dev_priv) >= 12 ? \
> 
> TRANS_HDCP2_STREAM_STATUS(trans) : \ @@ -10004,7 +10004,7 @@
> enum skl_power_gate {
>  #define TRANS_HDCP2_AUTH_STREAM(trans)       _MMIO_TRANS(trans, \
> 
> _TRANSA_HDCP2_AUTH_STREAM, \
> 
> _TRANSB_HDCP2_AUTH_STREAM)
> -#define   AUTH_STREAM_TYPE           BIT(31)
> +#define   AUTH_STREAM_TYPE           REG_BIT(31)
>  #define HDCP2_AUTH_STREAM(dev_priv, trans, port) \
>                                       (INTEL_GEN(dev_priv) >= 12 ? \
> 
> TRANS_HDCP2_AUTH_STREAM(trans) : \
> --
> 2.20.1

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