Re: [PATCH 07/10] drm/i915/dvo: Use REG_BIT() & co. for DVO registers

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On Tue, 22 Nov 2022, Ville Syrjala <ville.syrjala@xxxxxxxxxxxxxxx> wrote:
> From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
>
> Polish the DVO port regisesters with REG_BIT()/etc.
>
> Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>

Reviewed-by: Jani Nikula <jani.nikula@xxxxxxxxx>

> ---
>  drivers/gpu/drm/i915/display/intel_dvo.c |  7 +--
>  drivers/gpu/drm/i915/i915_reg.h          | 63 +++++++++++++-----------
>  2 files changed, 37 insertions(+), 33 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_dvo.c b/drivers/gpu/drm/i915/display/intel_dvo.c
> index b36c3a620250..a5c464c82e5c 100644
> --- a/drivers/gpu/drm/i915/display/intel_dvo.c
> +++ b/drivers/gpu/drm/i915/display/intel_dvo.c
> @@ -148,7 +148,7 @@ static bool intel_dvo_get_hw_state(struct intel_encoder *encoder,
>  
>  	tmp = intel_de_read(i915, DVO(port));
>  
> -	*pipe = (tmp & DVO_PIPE_SEL_MASK) >> DVO_PIPE_SEL_SHIFT;
> +	*pipe = REG_FIELD_GET(DVO_PIPE_SEL_MASK, tmp);
>  
>  	return tmp & DVO_ENABLE;
>  }
> @@ -291,7 +291,7 @@ static void intel_dvo_pre_enable(struct intel_atomic_state *state,
>  	/* Save the active data order, since I don't know what it should be set to. */
>  	dvo_val = intel_de_read(i915, DVO(port)) &
>  		  (DVO_DEDICATED_INT_ENABLE |
> -		   DVO_PRESERVE_MASK | DVO_ACT_DATA_ORDER_GBRG);
> +		   DVO_PRESERVE_MASK | DVO_ACT_DATA_ORDER_MASK);
>  	dvo_val |= DVO_DATA_ORDER_FP | DVO_BORDER_ENABLE |
>  		   DVO_BLANK_ACTIVE_HIGH;
>  
> @@ -303,7 +303,8 @@ static void intel_dvo_pre_enable(struct intel_atomic_state *state,
>  		dvo_val |= DVO_VSYNC_ACTIVE_HIGH;
>  
>  	intel_de_write(i915, DVO_SRCDIM(port),
> -		       (adjusted_mode->crtc_hdisplay << DVO_SRCDIM_HORIZONTAL_SHIFT) | (adjusted_mode->crtc_vdisplay << DVO_SRCDIM_VERTICAL_SHIFT));
> +		       DVO_SRCDIM_HORIZONTAL(adjusted_mode->crtc_hdisplay) |
> +		       DVO_SRCDIM_VERTICAL(adjusted_mode->crtc_vdisplay));
>  	intel_de_write(i915, DVO(port), dvo_val);
>  }
>  
> diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
> index 464be86d6125..08fdc0107212 100644
> --- a/drivers/gpu/drm/i915/i915_reg.h
> +++ b/drivers/gpu/drm/i915/i915_reg.h
> @@ -2581,40 +2581,43 @@
>  #define _DVOB			0x61140
>  #define _DVOC			0x61160
>  #define DVO(port)		_MMIO_PORT((port), _DVOA, _DVOB)
> -#define   DVO_ENABLE			(1 << 31)
> -#define   DVO_PIPE_SEL_SHIFT		30
> -#define   DVO_PIPE_SEL_MASK		(1 << 30)
> -#define   DVO_PIPE_SEL(pipe)		((pipe) << 30)
> -#define   DVO_PIPE_STALL_UNUSED		(0 << 28)
> -#define   DVO_PIPE_STALL		(1 << 28)
> -#define   DVO_PIPE_STALL_TV		(2 << 28)
> -#define   DVO_PIPE_STALL_MASK		(3 << 28)
> -#define   DVO_INTERRUPT_SELECT		(1 << 27)
> -#define   DVO_DEDICATED_INT_ENABLE	(1 << 26)
> -#define   DVO_PRESERVE_MASK		(0x3 << 24)
> -#define   DVO_USE_VGA_SYNC		(1 << 15)
> -#define   DVO_DATA_ORDER_I740		(0 << 14)
> -#define   DVO_DATA_ORDER_FP		(1 << 14)
> -#define   DVO_VSYNC_DISABLE		(1 << 11)
> -#define   DVO_HSYNC_DISABLE		(1 << 10)
> -#define   DVO_VSYNC_TRISTATE		(1 << 9)
> -#define   DVO_HSYNC_TRISTATE		(1 << 8)
> -#define   DVO_BORDER_ENABLE		(1 << 7)
> -#define   DVO_ACT_DATA_ORDER_GBRG		(1 << 6)
> -#define   DVO_ACT_DATA_ORDER_RGGB		(0 << 6)
> -#define   DVO_ACT_DATA_ORDER_GBRG_ERRATA	(0 << 6)
> -#define   DVO_ACT_DATA_ORDER_RGGB_ERRATA	(1 << 6)
> -#define   DVO_VSYNC_ACTIVE_HIGH		(1 << 4)
> -#define   DVO_HSYNC_ACTIVE_HIGH		(1 << 3)
> -#define   DVO_BLANK_ACTIVE_HIGH		(1 << 2)
> -#define   DVO_OUTPUT_CSTATE_PIXELS	(1 << 1)	/* SDG only */
> -#define   DVO_OUTPUT_SOURCE_SIZE_PIXELS	(1 << 0)	/* SDG only */
> +#define   DVO_ENABLE				REG_BIT(31)
> +#define   DVO_PIPE_SEL_MASK			REG_BIT(30)
> +#define   DVO_PIPE_SEL(pipe)			REG_FIELD_PREP(DVO_PIPE_SEL_MASK, (pipe))
> +#define   DVO_PIPE_STALL_MASK			REG_GENMASK(29, 28)
> +#define   DVO_PIPE_STALL_UNUSED			REG_FIELD_PREP(DVO_PIPE_STALL_MASK, 0)
> +#define   DVO_PIPE_STALL			REG_FIELD_PREP(DVO_PIPE_STALL_MASK, 1)
> +#define   DVO_PIPE_STALL_TV			REG_FIELD_PREP(DVO_PIPE_STALL_MASK, 2)
> +#define   DVO_INTERRUPT_SELECT			REG_BIT(27)
> +#define   DVO_DEDICATED_INT_ENABLE		REG_BIT(26)
> +#define   DVO_PRESERVE_MASK			REG_GENMASK(25, 24)
> +#define   DVO_USE_VGA_SYNC			REG_BIT(15)
> +#define   DVO_DATA_ORDER_MASK			REG_BIT(14)
> +#define   DVO_DATA_ORDER_I740			REG_FIELD_PREP(DVO_DATA_ORDER_MASK, 0)
> +#define   DVO_DATA_ORDER_FP			REG_FIELD_PREP(DVO_DATA_ORDER_MASK, 1)
> +#define   DVO_VSYNC_DISABLE			REG_BIT(11)
> +#define   DVO_HSYNC_DISABLE			REG_BIT(10)
> +#define   DVO_VSYNC_TRISTATE			REG_BIT(9)
> +#define   DVO_HSYNC_TRISTATE			REG_BIT(8)
> +#define   DVO_BORDER_ENABLE			REG_BIT(7)
> +#define   DVO_ACT_DATA_ORDER_MASK		REG_BIT(6)
> +#define   DVO_ACT_DATA_ORDER_RGGB		REG_FIELD_PREP(DVO_ACT_DATA_ORDER_MASK, 0)
> +#define   DVO_ACT_DATA_ORDER_GBRG		REG_FIELD_PREP(DVO_ACT_DATA_ORDER_MASK, 1)
> +#define   DVO_ACT_DATA_ORDER_GBRG_ERRATA	REG_FIELD_PREP(DVO_ACT_DATA_ORDER_MASK, 0)
> +#define   DVO_ACT_DATA_ORDER_RGGB_ERRATA	REG_FIELD_PREP(DVO_ACT_DATA_ORDER_MASK, 1)
> +#define   DVO_VSYNC_ACTIVE_HIGH			REG_BIT(4)
> +#define   DVO_HSYNC_ACTIVE_HIGH			REG_BIT(3)
> +#define   DVO_BLANK_ACTIVE_HIGH			REG_BIT(2)
> +#define   DVO_OUTPUT_CSTATE_PIXELS		REG_BIT(1) /* SDG only */
> +#define   DVO_OUTPUT_SOURCE_SIZE_PIXELS		REG_BIT(0) /* SDG only */
>  #define _DVOA_SRCDIM		0x61124
>  #define _DVOB_SRCDIM		0x61144
>  #define _DVOC_SRCDIM		0x61164
>  #define DVO_SRCDIM(port)	_MMIO_PORT((port), _DVOA_SRCDIM, _DVOB_SRCDIM)
> -#define   DVO_SRCDIM_HORIZONTAL_SHIFT	12
> -#define   DVO_SRCDIM_VERTICAL_SHIFT	0
> +#define   DVO_SRCDIM_HORIZONTAL_MASK		REG_GENMASK(22, 12)
> +#define   DVO_SRCDIM_HORIZONTAL(x)		REG_FIELD_PREP(DVO_SRCDIM_HORIZONTAL_MASK, (x))
> +#define   DVO_SRCDIM_VERTICAL_MASK		REG_GENMASK(10, 0)
> +#define   DVO_SRCDIM_VERTICAL(x)		REG_FIELD_PREP(DVO_SRCDIM_VERTICAL_MASK, (x))
>  
>  /* LVDS port control */
>  #define LVDS			_MMIO(0x61180)

-- 
Jani Nikula, Intel Open Source Graphics Center




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