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drm/i915/mtl: Add DP rates

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Add DP rates for Meteorlake.

Reviewed-by: Vinod Govindapillai <vinod.govindapillai@intel.com>
Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Signed-off-by: Mika Kahola <mika.kahola@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230413212443.1504245-2-radhakrishna.sripada@intel.com
This commit is contained in:
Mika Kahola
2023-04-13 14:24:35 -07:00
committed by Radhakrishna Sripada
parent 446a20c9ba
commit 7cb3eb334b
1 changed files with 14 additions and 1 deletions
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15
drivers/gpu/drm/i915/display/intel_dp.c
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@@ -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))