[Intel-gfx] [PATCH 11/14] drm/i915: Clean up cursor registers

Souza, Jose jose.souza at intel.com
Fri Jan 14 16:45:47 UTC 2022


On Wed, 2021-12-01 at 17:25 +0200, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> 
> Use REG_BIT() & co. to polish the cursor plane registers.

Reviewed-by: José Roberto de Souza <jose.souza at intel.com>

> 
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
> ---
>  drivers/gpu/drm/i915/display/intel_cursor.c  | 25 ++++---
>  drivers/gpu/drm/i915/display/intel_display.c |  4 +-
>  drivers/gpu/drm/i915/i915_reg.h              | 71 +++++++++++---------
>  3 files changed, 53 insertions(+), 47 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_cursor.c b/drivers/gpu/drm/i915/display/intel_cursor.c
> index 16d34685d83f..2ade8fdd9bdd 100644
> --- a/drivers/gpu/drm/i915/display/intel_cursor.c
> +++ b/drivers/gpu/drm/i915/display/intel_cursor.c
> @@ -51,16 +51,16 @@ static u32 intel_cursor_position(const struct intel_plane_state *plane_state)
>  	u32 pos = 0;
>  
>  	if (x < 0) {
> -		pos |= CURSOR_POS_SIGN << CURSOR_X_SHIFT;
> +		pos |= CURSOR_POS_X_SIGN;
>  		x = -x;
>  	}
> -	pos |= x << CURSOR_X_SHIFT;
> +	pos |= CURSOR_POS_X(x);
>  
>  	if (y < 0) {
> -		pos |= CURSOR_POS_SIGN << CURSOR_Y_SHIFT;
> +		pos |= CURSOR_POS_Y_SIGN;
>  		y = -y;
>  	}
> -	pos |= y << CURSOR_Y_SHIFT;
> +	pos |= CURSOR_POS_Y(y);
>  
>  	return pos;
>  }
> @@ -180,7 +180,7 @@ static u32 i845_cursor_ctl_crtc(const struct intel_crtc_state *crtc_state)
>  	u32 cntl = 0;
>  
>  	if (crtc_state->gamma_enable)
> -		cntl |= CURSOR_GAMMA_ENABLE;
> +		cntl |= CURSOR_PIPE_GAMMA_ENABLE;
>  
>  	return cntl;
>  }
> @@ -264,7 +264,7 @@ static void i845_cursor_update_arm(struct intel_plane *plane,
>  		cntl = plane_state->ctl |
>  			i845_cursor_ctl_crtc(crtc_state);
>  
> -		size = (height << 12) | width;
> +		size = CURSOR_HEIGHT(height) | CURSOR_WIDTH(width);
>  
>  		base = intel_cursor_base(plane_state);
>  		pos = intel_cursor_position(plane_state);
> @@ -280,7 +280,7 @@ static void i845_cursor_update_arm(struct intel_plane *plane,
>  	    plane->cursor.cntl != cntl) {
>  		intel_de_write_fw(dev_priv, CURCNTR(PIPE_A), 0);
>  		intel_de_write_fw(dev_priv, CURBASE(PIPE_A), base);
> -		intel_de_write_fw(dev_priv, CURSIZE, size);
> +		intel_de_write_fw(dev_priv, CURSIZE(PIPE_A), size);
>  		intel_de_write_fw(dev_priv, CURPOS(PIPE_A), pos);
>  		intel_de_write_fw(dev_priv, CURCNTR(PIPE_A), cntl);
>  
> @@ -340,13 +340,13 @@ static u32 i9xx_cursor_ctl_crtc(const struct intel_crtc_state *crtc_state)
>  		return cntl;
>  
>  	if (crtc_state->gamma_enable)
> -		cntl = MCURSOR_GAMMA_ENABLE;
> +		cntl = MCURSOR_PIPE_GAMMA_ENABLE;
>  
>  	if (crtc_state->csc_enable)
>  		cntl |= MCURSOR_PIPE_CSC_ENABLE;
>  
>  	if (DISPLAY_VER(dev_priv) < 5 && !IS_G4X(dev_priv))
> -		cntl |= MCURSOR_PIPE_SELECT(crtc->pipe);
> +		cntl |= MCURSOR_PIPE_SEL(crtc->pipe);
>  
>  	return cntl;
>  }
> @@ -502,7 +502,7 @@ static void i9xx_cursor_update_arm(struct intel_plane *plane,
>  			i9xx_cursor_ctl_crtc(crtc_state);
>  
>  		if (width != height)
> -			fbc_ctl = CUR_FBC_CTL_EN | (height - 1);
> +			fbc_ctl = CUR_FBC_EN | CUR_FBC_HEIGHT(height - 1);
>  
>  		base = intel_cursor_base(plane_state);
>  		pos = intel_cursor_position(plane_state);
> @@ -586,13 +586,12 @@ static bool i9xx_cursor_get_hw_state(struct intel_plane *plane,
>  
>  	val = intel_de_read(dev_priv, CURCNTR(plane->pipe));
>  
> -	ret = val & MCURSOR_MODE;
> +	ret = val & MCURSOR_MODE_MASK;
>  
>  	if (DISPLAY_VER(dev_priv) >= 5 || IS_G4X(dev_priv))
>  		*pipe = plane->pipe;
>  	else
> -		*pipe = (val & MCURSOR_PIPE_SELECT_MASK) >>
> -			MCURSOR_PIPE_SELECT_SHIFT;
> +		*pipe = REG_FIELD_GET(MCURSOR_PIPE_SEL_MASK, val);
>  
>  	intel_display_power_put(dev_priv, power_domain, wakeref);
>  
> diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
> index 00a2c9915780..34c1463e2ef9 100644
> --- a/drivers/gpu/drm/i915/display/intel_display.c
> +++ b/drivers/gpu/drm/i915/display/intel_display.c
> @@ -10041,9 +10041,9 @@ void i830_disable_pipe(struct drm_i915_private *dev_priv, enum pipe pipe)
>  	drm_WARN_ON(&dev_priv->drm,
>  		    intel_de_read(dev_priv, DSPCNTR(PLANE_C)) & DSP_ENABLE);
>  	drm_WARN_ON(&dev_priv->drm,
> -		    intel_de_read(dev_priv, CURCNTR(PIPE_A)) & MCURSOR_MODE);
> +		    intel_de_read(dev_priv, CURCNTR(PIPE_A)) & MCURSOR_MODE_MASK);
>  	drm_WARN_ON(&dev_priv->drm,
> -		    intel_de_read(dev_priv, CURCNTR(PIPE_B)) & MCURSOR_MODE);
> +		    intel_de_read(dev_priv, CURCNTR(PIPE_B)) & MCURSOR_MODE_MASK);
>  
>  	intel_de_write(dev_priv, PIPECONF(pipe), 0);
>  	intel_de_posting_read(dev_priv, PIPECONF(pipe));
> diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
> index d215cad95fe8..e010add5574a 100644
> --- a/drivers/gpu/drm/i915/i915_reg.h
> +++ b/drivers/gpu/drm/i915/i915_reg.h
> @@ -6761,44 +6761,50 @@ enum {
>  /* Cursor A & B regs */
>  #define _CURACNTR		0x70080
>  /* Old style CUR*CNTR flags (desktop 8xx) */
> -#define   CURSOR_ENABLE		0x80000000
> -#define   CURSOR_GAMMA_ENABLE	0x40000000
> -#define   CURSOR_STRIDE_SHIFT	28
> -#define   CURSOR_STRIDE(x)	((ffs(x) - 9) << CURSOR_STRIDE_SHIFT) /* 256,512,1k,2k */
> -#define   CURSOR_FORMAT_SHIFT	24
> -#define   CURSOR_FORMAT_MASK	(0x07 << CURSOR_FORMAT_SHIFT)
> -#define   CURSOR_FORMAT_2C	(0x00 << CURSOR_FORMAT_SHIFT)
> -#define   CURSOR_FORMAT_3C	(0x01 << CURSOR_FORMAT_SHIFT)
> -#define   CURSOR_FORMAT_4C	(0x02 << CURSOR_FORMAT_SHIFT)
> -#define   CURSOR_FORMAT_ARGB	(0x04 << CURSOR_FORMAT_SHIFT)
> -#define   CURSOR_FORMAT_XRGB	(0x05 << CURSOR_FORMAT_SHIFT)
> +#define   CURSOR_ENABLE			REG_BIT(31)
> +#define   CURSOR_PIPE_GAMMA_ENABLE	REG_BIT(30)
> +#define   CURSOR_STRIDE_MASK	REG_GENMASK(29, 28)
> +#define   CURSOR_STRIDE(stride)	REG_FIELD_PREP(CURSOR_STRIDE_MASK, ffs(stride) - 9) /* 256,512,1k,2k */
> +#define   CURSOR_FORMAT_MASK	REG_GENMASK(26, 24)
> +#define   CURSOR_FORMAT_2C	REG_FIELD_PREP(CURSOR_FORMAT_MASK, 0)
> +#define   CURSOR_FORMAT_3C	REG_FIELD_PREP(CURSOR_FORMAT_MASK, 1)
> +#define   CURSOR_FORMAT_4C	REG_FIELD_PREP(CURSOR_FORMAT_MASK, 2)
> +#define   CURSOR_FORMAT_ARGB	REG_FIELD_PREP(CURSOR_FORMAT_MASK, 4)
> +#define   CURSOR_FORMAT_XRGB	REG_FIELD_PREP(CURSOR_FORMAT_MASK, 5)
>  /* New style CUR*CNTR flags */
> -#define   MCURSOR_MODE		0x27
> -#define   MCURSOR_MODE_DISABLE   0x00
> -#define   MCURSOR_MODE_128_32B_AX 0x02
> -#define   MCURSOR_MODE_256_32B_AX 0x03
> -#define   MCURSOR_MODE_64_32B_AX 0x07
> -#define   MCURSOR_MODE_128_ARGB_AX ((1 << 5) | MCURSOR_MODE_128_32B_AX)
> -#define   MCURSOR_MODE_256_ARGB_AX ((1 << 5) | MCURSOR_MODE_256_32B_AX)
> -#define   MCURSOR_MODE_64_ARGB_AX ((1 << 5) | MCURSOR_MODE_64_32B_AX)
>  #define   MCURSOR_ARB_SLOTS_MASK	REG_GENMASK(30, 28) /* icl+ */
>  #define   MCURSOR_ARB_SLOTS(x)		REG_FIELD_PREP(MCURSOR_ARB_SLOTS_MASK, (x)) /* icl+ */
> -#define   MCURSOR_PIPE_SELECT_MASK	(0x3 << 28)
> -#define   MCURSOR_PIPE_SELECT_SHIFT	28
> -#define   MCURSOR_PIPE_SELECT(pipe)	((pipe) << 28)
> -#define   MCURSOR_GAMMA_ENABLE  (1 << 26)
> -#define   MCURSOR_PIPE_CSC_ENABLE (1 << 24) /* ilk+ */
> -#define   MCURSOR_ROTATE_180	(1 << 15)
> -#define   MCURSOR_TRICKLE_FEED_DISABLE	(1 << 14)
> +#define   MCURSOR_PIPE_SEL_MASK		REG_GENMASK(29, 28)
> +#define   MCURSOR_PIPE_SEL(pipe)	REG_FIELD_PREP(MCURSOR_PIPE_SEL_MASK, (pipe))
> +#define   MCURSOR_PIPE_GAMMA_ENABLE	REG_BIT(26)
> +#define   MCURSOR_PIPE_CSC_ENABLE	REG_BIT(24) /* ilk+ */
> +#define   MCURSOR_ROTATE_180		REG_BIT(15)
> +#define   MCURSOR_TRICKLE_FEED_DISABLE	REG_BIT(14)
> +#define   MCURSOR_MODE_MASK		0x27
> +#define   MCURSOR_MODE_DISABLE		0x00
> +#define   MCURSOR_MODE_128_32B_AX	0x02
> +#define   MCURSOR_MODE_256_32B_AX	0x03
> +#define   MCURSOR_MODE_64_32B_AX	0x07
> +#define   MCURSOR_MODE_128_ARGB_AX	(0x20 | MCURSOR_MODE_128_32B_AX)
> +#define   MCURSOR_MODE_256_ARGB_AX	(0x20 | MCURSOR_MODE_256_32B_AX)
> +#define   MCURSOR_MODE_64_ARGB_AX	(0x20 | MCURSOR_MODE_64_32B_AX)
>  #define _CURABASE		0x70084
>  #define _CURAPOS		0x70088
> -#define   CURSOR_POS_MASK       0x007FF
> -#define   CURSOR_POS_SIGN       0x8000
> -#define   CURSOR_X_SHIFT        0
> -#define   CURSOR_Y_SHIFT        16
> -#define CURSIZE			_MMIO(0x700a0) /* 845/865 */
> +#define   CURSOR_POS_Y_SIGN		REG_BIT(31)
> +#define   CURSOR_POS_Y_MASK		REG_GENMASK(30, 16)
> +#define   CURSOR_POS_Y(y)		REG_FIELD_PREP(CURSOR_POS_Y_MASK, (y))
> +#define   CURSOR_POS_X_SIGN		REG_BIT(15)
> +#define   CURSOR_POS_X_MASK		REG_GENMASK(14, 0)
> +#define   CURSOR_POS_X(x)		REG_FIELD_PREP(CURSOR_POS_X_MASK, (x))
> +#define _CURASIZE		0x700a0 /* 845/865 */
> +#define   CURSOR_HEIGHT_MASK		REG_GENMASK(21, 12)
> +#define   CURSOR_HEIGHT(h)		REG_FIELD_PREP(CURSOR_HEIGHT_MASK, (h))
> +#define   CURSOR_WIDTH_MASK		REG_GENMASK(9, 0)
> +#define   CURSOR_WIDTH(w)		REG_FIELD_PREP(CURSOR_WIDTH_MASK, (w))
>  #define _CUR_FBC_CTL_A		0x700a0 /* ivb+ */
> -#define   CUR_FBC_CTL_EN	(1 << 31)
> +#define   CUR_FBC_EN			REG_BIT(31)
> +#define   CUR_FBC_HEIGHT_MASK		REG_GENMASK(7, 0)
> +#define   CUR_FBC_HEIGHT(h)		REG_FIELD_PREP(CUR_FBC_HEIGHT_MASK, (h))
>  #define _CURASURFLIVE		0x700ac /* g4x+ */
>  #define _CURBCNTR		0x700c0
>  #define _CURBBASE		0x700c4
> @@ -6811,6 +6817,7 @@ enum {
>  #define CURCNTR(pipe) _CURSOR2(pipe, _CURACNTR)
>  #define CURBASE(pipe) _CURSOR2(pipe, _CURABASE)
>  #define CURPOS(pipe) _CURSOR2(pipe, _CURAPOS)
> +#define CURSIZE(pipe) _CURSOR2(pipe, _CURASIZE)
>  #define CUR_FBC_CTL(pipe) _CURSOR2(pipe, _CUR_FBC_CTL_A)
>  #define CURSURFLIVE(pipe) _CURSOR2(pipe, _CURASURFLIVE)
>  



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