On Fri, 30 Jan 2026, Uma Shankar <[email protected]> wrote:
> Make intel_display_power_well.c free from including i915_reg.h.
>
> v2: Include specific pcode header, drop common header (Jani)
>
> Signed-off-by: Uma Shankar <[email protected]>
> ---
>  drivers/gpu/drm/i915/display/intel_display_power_well.c | 2 +-
>  drivers/gpu/drm/i915/display/intel_display_regs.h       | 2 ++
>  drivers/gpu/drm/i915/i915_reg.h                         | 3 ---
>  3 files changed, 3 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_display_power_well.c 
> b/drivers/gpu/drm/i915/display/intel_display_power_well.c
> index 6f9bc6f9615e..f98de1baa63d 100644
> --- a/drivers/gpu/drm/i915/display/intel_display_power_well.c
> +++ b/drivers/gpu/drm/i915/display/intel_display_power_well.c
> @@ -6,8 +6,8 @@
>  #include <linux/iopoll.h>
>  
>  #include <drm/drm_print.h>
> +#include <drm/intel/intel_pcode.h>

Hmm, nothing's being moved there in this patch, so this change feels
unrelated.

BR,
Jani.

>  
> -#include "i915_reg.h"
>  #include "intel_backlight_regs.h"
>  #include "intel_combo_phy.h"
>  #include "intel_combo_phy_regs.h"
> diff --git a/drivers/gpu/drm/i915/display/intel_display_regs.h 
> b/drivers/gpu/drm/i915/display/intel_display_regs.h
> index 4a9b7560ce8c..758749c5c322 100644
> --- a/drivers/gpu/drm/i915/display/intel_display_regs.h
> +++ b/drivers/gpu/drm/i915/display/intel_display_regs.h
> @@ -359,6 +359,8 @@
>  #define  FW_CSPWRDWNEN               (1 << 15)
>  
>  #define MI_ARB_VLV           _MMIO(VLV_DISPLAY_BASE + 0x6504)
> +/* Disable display A/B trickle feed */
> +#define   MI_ARB_DISPLAY_TRICKLE_FEED_DISABLE        (1 << 2)
>  
>  #define CZCLK_CDCLK_FREQ_RATIO       _MMIO(VLV_DISPLAY_BASE + 0x6508)
>  #define   CDCLK_FREQ_SHIFT   4
> diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
> index 9cd7fce09ebe..e4fc61dcd384 100644
> --- a/drivers/gpu/drm/i915/i915_reg.h
> +++ b/drivers/gpu/drm/i915/i915_reg.h
> @@ -428,9 +428,6 @@
>  #define   MI_ARB_LOW_PRIORITY_GRACE_4KB              (0 << 4)        /* 
> default */
>  #define   MI_ARB_LOW_PRIORITY_GRACE_8KB              (1 << 4)
>  
> -/* Disable display A/B trickle feed */
> -#define   MI_ARB_DISPLAY_TRICKLE_FEED_DISABLE        (1 << 2)
> -
>  /* Set display plane priority */
>  #define   MI_ARB_DISPLAY_PRIORITY_A_B                (0 << 0)        /* 
> display A > display B */
>  #define   MI_ARB_DISPLAY_PRIORITY_B_A                (1 << 0)        /* 
> display B > display A */

-- 
Jani Nikula, Intel

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