> Subject: [PATCH] drm/i915/dp: Fix the computation for compressed_bpp for
> DISPLAY < 13
>
> For DISPLAY < 13, compressed bpp is chosen from a list of supported
> compressed bpps. Fix the condition to choose the appropriate compressed
> bpp from the list.
>
LGTM,
Reviewed-by: Suraj Kandpal <suraj.kandpal@xxxxxxxxx>
> Fixes: 1c56e9a39833 ("drm/i915/dp: Get optimal link config to have best
> compressed bpp")
> Cc: Ankit Nautiyal <ankit.k.nautiyal@xxxxxxxxx>
> Cc: Stanislav Lisovskiy <stanislav.lisovskiy@xxxxxxxxx>
> Cc: Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx>
> Cc: <stable@xxxxxxxxxxxxxxx> # v6.7+
> Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/10162
> Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/display/intel_dp.c | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_dp.c
> b/drivers/gpu/drm/i915/display/intel_dp.c
> index e13121dc3a03..d579195f84ee 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp.c
> +++ b/drivers/gpu/drm/i915/display/intel_dp.c
> @@ -1918,8 +1918,9 @@ icl_dsc_compute_link_config(struct intel_dp
> *intel_dp,
> dsc_max_bpp = min(dsc_max_bpp, pipe_bpp - 1);
>
> for (i = 0; i < ARRAY_SIZE(valid_dsc_bpp); i++) {
> - if (valid_dsc_bpp[i] < dsc_min_bpp ||
> - valid_dsc_bpp[i] > dsc_max_bpp)
> + if (valid_dsc_bpp[i] < dsc_min_bpp)
> + continue;
> + if (valid_dsc_bpp[i] > dsc_max_bpp)
> break;
>
> ret = dsc_compute_link_config(intel_dp,
> --
> 2.40.1
