[Intel-gfx] [PATCH v2 7/7] drm/i915: Fix broken num_entries in skl_ddb_allocation_overlaps

[Ville Syrjälä]

On Tue, Feb 11, 2020 at 10:55:32PM +0530, Anshuman Gupta wrote:
> skl_ddb_allocation_overlaps() num_entries hass been passed as
> INTEL_NUM_PIPES, it should be I915_MAX_PIPES.
> 
> Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
> Signed-off-by: Anshuman Gupta <anshuman.gupta at intel.com>

Reviewed-by: Ville Syrjälä <ville.syrjala at linux.intel.com>

> ---
>  drivers/gpu/drm/i915/display/intel_display.c | 7 +++----
>  1 file changed, 3 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
> index 6fdaeb019fef..dd77324206bc 100644
> --- a/drivers/gpu/drm/i915/display/intel_display.c
> +++ b/drivers/gpu/drm/i915/display/intel_display.c
> @@ -15475,7 +15475,6 @@ static void skl_commit_modeset_enables(struct intel_atomic_state *state)
>  	struct intel_crtc *crtc;
>  	struct intel_crtc_state *old_crtc_state, *new_crtc_state;
>  	struct skl_ddb_entry entries[I915_MAX_PIPES] = {};
> -	const u8 num_pipes = INTEL_NUM_PIPES(dev_priv);
>  	u8 update_pipes = 0, modeset_pipes = 0;
>  	int i;
>  
> @@ -15512,7 +15511,7 @@ static void skl_commit_modeset_enables(struct intel_atomic_state *state)
>  				continue;
>  
>  			if (skl_ddb_allocation_overlaps(&new_crtc_state->wm.skl.ddb,
> -							entries, num_pipes, pipe))
> +							entries, I915_MAX_PIPES, pipe))
>  				continue;
>  
>  			entries[pipe] = new_crtc_state->wm.skl.ddb;
> @@ -15550,7 +15549,7 @@ static void skl_commit_modeset_enables(struct intel_atomic_state *state)
>  			continue;
>  
>  		WARN_ON(skl_ddb_allocation_overlaps(&new_crtc_state->wm.skl.ddb,
> -						    entries, num_pipes, pipe));
> +						    entries, I915_MAX_PIPES, pipe));
>  
>  		entries[pipe] = new_crtc_state->wm.skl.ddb;
>  		modeset_pipes &= ~BIT(pipe);
> @@ -15585,7 +15584,7 @@ static void skl_commit_modeset_enables(struct intel_atomic_state *state)
>  			continue;
>  
>  		WARN_ON(skl_ddb_allocation_overlaps(&new_crtc_state->wm.skl.ddb,
> -						    entries, num_pipes, pipe));
> +						    entries, I915_MAX_PIPES, pipe));
>  
>  		entries[pipe] = new_crtc_state->wm.skl.ddb;
>  		modeset_pipes &= ~BIT(pipe);
> -- 
> 2.24.0

-- 
Ville Syrjälä
Intel