[PATCH 03/25] drm/i915: re-order GT IIR bit definitions

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On Wed, 21 Mar 2012 12:48:24 -0700
Jesse Barnes <jbarnes at virtuousgeek.org> wrote:

> They were all over the place, order them by position and add a few.
> 
> Signed-off-by: Jesse Barnes <jbarnes at virtuousgeek.org>
> ---
>  drivers/gpu/drm/i915/i915_reg.h |   20 ++++++++++++++------
>  1 files changed, 14 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
> index 52a06be..af5cd25 100644
> --- a/drivers/gpu/drm/i915/i915_reg.h
> +++ b/drivers/gpu/drm/i915/i915_reg.h
> @@ -3063,18 +3063,26 @@
>  #define DE_PIPEB_VBLANK_IVB		(1<<5)
>  #define DE_PIPEA_VBLANK_IVB		(1<<0)
>  
> +#define MASTER_IER_VLV			0x4400c /* Gunit master IER */
> +#define   MASTER_INTERRUPT_ENABLE	(1<<31)
> +

Seems VLV_MASTER_IER would follow the convention.

>  #define DEISR   0x44000
>  #define DEIMR   0x44004
>  #define DEIIR   0x44008
>  #define DEIER   0x4400c
>  
>  /* GT interrupt */
> -#define GT_PIPE_NOTIFY		(1 << 4)
> -#define GT_SYNC_STATUS          (1 << 2)
> -#define GT_USER_INTERRUPT       (1 << 0)
> -#define GT_BSD_USER_INTERRUPT   (1 << 5)
> -#define GT_GEN6_BSD_USER_INTERRUPT	(1 << 12)
> -#define GT_BLT_USER_INTERRUPT	(1 << 22)
> +#define GT_BLT_FLUSHDW_NOTIFY_INTERRUPT		(1 << 26)
> +#define GT_BLT_CS_ERROR_INTERRUPT		(1 << 25)
> +#define GT_BLT_USER_INTERRUPT			(1 << 22)
> +#define GT_BSD_CS_ERROR_INTERRUPT		(1 << 15)
> +#define GT_GEN6_BSD_USER_INTERRUPT		(1 << 12)
> +#define GT_BSD_USER_INTERRUPT			(1 << 5)
> +#define GT_L3_PARITY_ERROR_INTERRUPT		(1 << 5) /* IVB+ */
> +#define GT_PIPE_NOTIFY				(1 << 4)
> +#define GT_RENDER_CS_ERROR_INTERRUPT		(1 << 3)
> +#define GT_SYNC_STATUS				(1 << 2)
> +#define GT_USER_INTERRUPT			(1 << 0)

What about GT_GEN7_L3_PARITY_ERROR_INTERRUPT?

Similarly if GT_BLT_FLUSHDW_NOTIFY_INTERRUPT and
GT_BLT_CS_ERROR_INTERRUPT only apply after a certain generation maybe
add that info... I know this applies directly to your overall pitch to
restructure things, but for now at least try to keep it consistent, and
helpfully named (imho).

>  
>  #define GTISR   0x44010
>  #define GTIMR   0x44014



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