[PATCH 04/37] drm/mgag200: Add local 'fb' variable

[Daniel Vetter]

On Fri, Nov 18, 2016 at 09:52:40PM +0200, ville.syrjala at linux.intel.com wrote:
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> 
> Add a local 'fb' variable to a few places to get rid of the
> 'crtc->primary->fb' stuff. Looks neater and helps me with my poor
> coccinelle skills later.
> 
> Cc: Dave Airlie <airlied at redhat.com>
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>

Reviewed-by: Daniel Vetter <daniel.vetter at ffwll.ch>
> ---
>  drivers/gpu/drm/mgag200/mgag200_mode.c | 17 +++++++++--------
>  1 file changed, 9 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c
> index 6b21cb27e1cc..bdac288ab16d 100644
> --- a/drivers/gpu/drm/mgag200/mgag200_mode.c
> +++ b/drivers/gpu/drm/mgag200/mgag200_mode.c
> @@ -880,6 +880,7 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc,
>  {
>  	struct drm_device *dev = crtc->dev;
>  	struct mga_device *mdev = dev->dev_private;
> +	const struct drm_framebuffer *fb = crtc->primary->fb;
>  	int hdisplay, hsyncstart, hsyncend, htotal;
>  	int vdisplay, vsyncstart, vsyncend, vtotal;
>  	int pitch;
> @@ -902,7 +903,7 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc,
>  		/* 0x48: */        0,    0,    0,    0,    0,    0,    0,    0
>  	};
>  
> -	bppshift = mdev->bpp_shifts[(crtc->primary->fb->bits_per_pixel >> 3) - 1];
> +	bppshift = mdev->bpp_shifts[(fb->bits_per_pixel >> 3) - 1];
>  
>  	switch (mdev->type) {
>  	case G200_SE_A:
> @@ -941,12 +942,12 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc,
>  		break;
>  	}
>  
> -	switch (crtc->primary->fb->bits_per_pixel) {
> +	switch (fb->bits_per_pixel) {
>  	case 8:
>  		dacvalue[MGA1064_MUL_CTL] = MGA1064_MUL_CTL_8bits;
>  		break;
>  	case 16:
> -		if (crtc->primary->fb->depth == 15)
> +		if (fb->depth == 15)
>  			dacvalue[MGA1064_MUL_CTL] = MGA1064_MUL_CTL_15bits;
>  		else
>  			dacvalue[MGA1064_MUL_CTL] = MGA1064_MUL_CTL_16bits;
> @@ -997,8 +998,8 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc,
>  	WREG_SEQ(3, 0);
>  	WREG_SEQ(4, 0xe);
>  
> -	pitch = crtc->primary->fb->pitches[0] / (crtc->primary->fb->bits_per_pixel / 8);
> -	if (crtc->primary->fb->bits_per_pixel == 24)
> +	pitch = fb->pitches[0] / (fb->bits_per_pixel / 8);
> +	if (fb->bits_per_pixel == 24)
>  		pitch = (pitch * 3) >> (4 - bppshift);
>  	else
>  		pitch = pitch >> (4 - bppshift);
> @@ -1075,7 +1076,7 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc,
>  		((vdisplay & 0xc00) >> 7) |
>  		((vsyncstart & 0xc00) >> 5) |
>  		((vdisplay & 0x400) >> 3);
> -	if (crtc->primary->fb->bits_per_pixel == 24)
> +	if (fb->bits_per_pixel == 24)
>  		ext_vga[3] = (((1 << bppshift) * 3) - 1) | 0x80;
>  	else
>  		ext_vga[3] = ((1 << bppshift) - 1) | 0x80;
> @@ -1138,9 +1139,9 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc,
>  			u32 bpp;
>  			u32 mb;
>  
> -			if (crtc->primary->fb->bits_per_pixel > 16)
> +			if (fb->bits_per_pixel > 16)
>  				bpp = 32;
> -			else if (crtc->primary->fb->bits_per_pixel > 8)
> +			else if (fb->bits_per_pixel > 8)
>  				bpp = 16;
>  			else
>  				bpp = 8;
> -- 
> 2.7.4
> 
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch