On Mon, 2023-03-27 at 15:34 +0300, Mika Kahola wrote:
> Add DP rates for Meteorlake.
>
> Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@xxxxxxxxx>
> Signed-off-by: Mika Kahola <mika.kahola@xxxxxxxxx>
> ---
Reviewed-by: Vinod Govindapillai <vinod.govindapillai@xxxxxxxxx>
> drivers/gpu/drm/i915/display/intel_dp.c | 15 ++++++++++++++-
> 1 file changed, 14 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
> index da1c00ee92fb..4927aeb64f23 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp.c
> +++ b/drivers/gpu/drm/i915/display/intel_dp.c
> @@ -420,6 +420,11 @@ static int ehl_max_source_rate(struct intel_dp *intel_dp)
> return 810000;
> }
>
> +static int mtl_max_source_rate(struct intel_dp *intel_dp)
> +{
> + return intel_dp_is_edp(intel_dp) ? 675000 : 810000;
> +}
> +
> static int vbt_max_link_rate(struct intel_dp *intel_dp)
> {
> struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
> @@ -444,6 +449,10 @@ static void
> intel_dp_set_source_rates(struct intel_dp *intel_dp)
> {
> /* The values must be in increasing order */
> + static const int mtl_rates[] = {
> + 162000, 216000, 243000, 270000, 324000, 432000, 540000, 675000,
> + 810000,
> + };
> static const int icl_rates[] = {
> 162000, 216000, 270000, 324000, 432000, 540000, 648000, 810000,
> 1000000, 1350000,
> @@ -469,7 +478,11 @@ intel_dp_set_source_rates(struct intel_dp *intel_dp)
> drm_WARN_ON(&dev_priv->drm,
> intel_dp->source_rates || intel_dp->num_source_rates);
>
> - if (DISPLAY_VER(dev_priv) >= 11) {
> + if (DISPLAY_VER(dev_priv) >= 14) {
> + source_rates = mtl_rates;
> + size = ARRAY_SIZE(mtl_rates);
> + max_rate = mtl_max_source_rate(intel_dp);
> + } else if (DISPLAY_VER(dev_priv) >= 11) {
> source_rates = icl_rates;
> size = ARRAY_SIZE(icl_rates);
> if (IS_DG2(dev_priv))
