On 05/25/2017 04:19 PM, Jose Abreu wrote:
> Now that we have a callback to check if crtc supports a given mode
> we can use it in malidp so that we restrict the number of probbed
> modes to the ones we can actually display.
> 
> Also, remove the mode_fixup() callback as this is no longer needed
> because mode_valid() will be called before.
> 
> NOTE: Not even compiled tested
> 
> Signed-off-by: Jose Abreu <joab...@synopsys.com>
> Cc: Carlos Palminha <palmi...@synopsys.com>
> Cc: Daniel Vetter <daniel.vet...@ffwll.ch>
> Cc: Liviu Dudau <liviu.du...@arm.com>
> Cc: Brian Starkey <brian.star...@arm.com>
> Cc: David Airlie <airl...@linux.ie>
> ---
>  drivers/gpu/drm/arm/malidp_crtc.c | 11 +++++------
>  1 file changed, 5 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/gpu/drm/arm/malidp_crtc.c 
> b/drivers/gpu/drm/arm/malidp_crtc.c
> index 9446a67..4bb38a2 100644
> --- a/drivers/gpu/drm/arm/malidp_crtc.c
> +++ b/drivers/gpu/drm/arm/malidp_crtc.c
> @@ -22,9 +22,8 @@
>  #include "malidp_drv.h"
>  #include "malidp_hw.h"
>  
> -static bool malidp_crtc_mode_fixup(struct drm_crtc *crtc,
> -                                const struct drm_display_mode *mode,
> -                                struct drm_display_mode *adjusted_mode)
> +static enum drm_mode_status malidp_crtc_mode_valid(struct drm_crtc *crtc,
> +                                                const struct 
> drm_display_mode *mode)
>  {
>       struct malidp_drm *malidp = crtc_to_malidp_device(crtc);
>       struct malidp_hw_device *hwdev = malidp->dev;
> @@ -40,11 +39,11 @@ static bool malidp_crtc_mode_fixup(struct drm_crtc *crtc,
>               if (rate != req_rate) {
>                       DRM_DEBUG_DRIVER("pxlclk doesn't support %ld Hz\n",
>                                        req_rate);
> -                     return false;
> +                     return MODE_NOCLOCK;
>               }
>       }
>  
> -     return true;
> +     return MODE_OK;
>  }
>  
>  static void malidp_crtc_enable(struct drm_crtc *crtc)
> @@ -408,7 +407,7 @@ static int malidp_crtc_atomic_check(struct drm_crtc *crtc,
>  }
>  
>  static const struct drm_crtc_helper_funcs malidp_crtc_helper_funcs = {
> -     .mode_fixup = malidp_crtc_mode_fixup,
> +     .mode_valid = malidp_crtc_mode_valid,
>       .enable = malidp_crtc_enable,
>       .disable = malidp_crtc_disable,
>       .atomic_check = malidp_crtc_atomic_check,
> 

Reviewed-by: Neil Armstrong <narmstr...@baylibre.com>
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