[PATCH 03/11] drm/i915/dp_mst: Fix BW limit check when calculating DSC DPT bpp

[Nautiyal, Ankit K]

On 3/21/2024 1:41 AM, Imre Deak wrote:
> The DSC DPT bpp limit check should only fail if the available DPT BW is
> less than the required BW, fix the check accordingly.
>
> Signed-off-by: Imre Deak <imre.deak at intel.com>

LGTM.

Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal at intel.com>

> ---
>   drivers/gpu/drm/i915/display/intel_dp_mst.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c
> index b2bcf66071b05..c21fd7a2cd44f 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c
> +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c
> @@ -60,7 +60,7 @@ static int intel_dp_mst_check_constraints(struct drm_i915_private *i915, int bpp
>   		int output_bpp = bpp;
>   		int symbol_clock = intel_dp_link_symbol_clock(crtc_state->port_clock);
>   
> -		if (output_bpp * adjusted_mode->crtc_clock >=
> +		if (output_bpp * adjusted_mode->crtc_clock >
>   		    symbol_clock * 72) {
>   			drm_dbg_kms(&i915->drm, "UHBR check failed(required bw %d available %d)\n",
>   				    output_bpp * adjusted_mode->crtc_clock, symbol_clock * 72);