On Thu, 05 Feb 2026, Uma Shankar <[email protected]> wrote:
> Move DE_IRQ_REGS to display header to make g4x_dp.c
> free from i915_reg.h dependency. These registers are
> only used by display and gvt.
>
> v3: Drop a superfluous include (Jani)
>
> v2: Move DE interrupt regs from common to display header (Jani)
>
> Signed-off-by: Uma Shankar <[email protected]>

Reviewed-by: Jani Nikula <[email protected]>

> ---
>  drivers/gpu/drm/i915/display/g4x_dp.c            |  1 -
>  .../gpu/drm/i915/display/intel_display_regs.h    | 16 ++++++++++++++++
>  drivers/gpu/drm/i915/i915_reg.h                  | 15 ---------------
>  3 files changed, 16 insertions(+), 16 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/g4x_dp.c 
> b/drivers/gpu/drm/i915/display/g4x_dp.c
> index 4cb753177fd8..d7de329abf19 100644
> --- a/drivers/gpu/drm/i915/display/g4x_dp.c
> +++ b/drivers/gpu/drm/i915/display/g4x_dp.c
> @@ -10,7 +10,6 @@
>  #include <drm/drm_print.h>
>  
>  #include "g4x_dp.h"
> -#include "i915_reg.h"
>  #include "intel_audio.h"
>  #include "intel_backlight.h"
>  #include "intel_connector.h"
> diff --git a/drivers/gpu/drm/i915/display/intel_display_regs.h 
> b/drivers/gpu/drm/i915/display/intel_display_regs.h
> index d03f554ecd7e..5bc891f6de57 100644
> --- a/drivers/gpu/drm/i915/display/intel_display_regs.h
> +++ b/drivers/gpu/drm/i915/display/intel_display_regs.h
> @@ -1049,6 +1049,15 @@
>  #define SWF3(dev_priv, i)    _MMIO(DISPLAY_MMIO_BASE(dev_priv) + 0x72414 + 
> (i) * 4)
>  #define SWF_ILK(i)   _MMIO(0x4F000 + (i) * 4)
>  
> +#define DEISR   _MMIO(0x44000)
> +#define DEIMR   _MMIO(0x44004)
> +#define DEIIR   _MMIO(0x44008)
> +#define DEIER   _MMIO(0x4400c)
> +
> +#define DE_IRQ_REGS          I915_IRQ_REGS(DEIMR, \
> +                                           DEIER, \
> +                                           DEIIR)
> +
>  #define DIGITAL_PORT_HOTPLUG_CNTRL   _MMIO(0x44030)
>  #define  DIGITAL_PORTA_HOTPLUG_ENABLE                (1 << 4)
>  #define  DIGITAL_PORTA_PULSE_DURATION_2ms    (0 << 2) /* pre-HSW */
> @@ -1792,6 +1801,13 @@
>                                        SDE_TC_HOTPLUG_ICP(HPD_PORT_TC2) | \
>                                        SDE_TC_HOTPLUG_ICP(HPD_PORT_TC1))
>  
> +/* PCH */
> +
> +#define SDEISR  _MMIO(0xc4000)
> +#define SDEIMR  _MMIO(0xc4004)
> +#define SDEIIR  _MMIO(0xc4008)
> +#define SDEIER  _MMIO(0xc400c)
> +
>  #define SDE_IRQ_REGS                 I915_IRQ_REGS(SDEIMR, \
>                                                     SDEIER, \
>                                                     SDEIIR)
> diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
> index 1be8426b6a91..b808d1ec5387 100644
> --- a/drivers/gpu/drm/i915/i915_reg.h
> +++ b/drivers/gpu/drm/i915/i915_reg.h
> @@ -727,15 +727,6 @@
>  #define VLV_MASTER_IER                       _MMIO(0x4400c) /* Gunit master 
> IER */
>  #define   MASTER_INTERRUPT_ENABLE    (1 << 31)
>  
> -#define DEISR   _MMIO(0x44000)
> -#define DEIMR   _MMIO(0x44004)
> -#define DEIIR   _MMIO(0x44008)
> -#define DEIER   _MMIO(0x4400c)
> -
> -#define DE_IRQ_REGS          I915_IRQ_REGS(DEIMR, \
> -                                           DEIER, \
> -                                           DEIIR)
> -
>  #define GTISR   _MMIO(0x44010)
>  #define GTIMR   _MMIO(0x44014)
>  #define GTIIR   _MMIO(0x44018)
> @@ -863,12 +854,6 @@
>  #define   MASK_WAKEMEM                               REG_BIT(13)
>  #define   DDI_CLOCK_REG_ACCESS                       REG_BIT(7)
>  
> -/* PCH */
> -
> -#define SDEISR  _MMIO(0xc4000)
> -#define SDEIMR  _MMIO(0xc4004)
> -#define SDEIIR  _MMIO(0xc4008)
> -#define SDEIER  _MMIO(0xc400c)
>  
>  /* Icelake PPS_DATA and _ECC DIP Registers.
>   * These are available for transcoders B,C and eDP.

-- 
Jani Nikula, Intel

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