From: Arun R Murthy Date: Tue, 27 Aug 2024 08:12:05 +0000 (+0530) Subject: drm/i915/display: BMG supports UHBR13.5 X-Git-Tag: v6.12~290^2~3^2~1 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=fcd33d434d31a210bc9f209b5bfd92f3b91a2dda;p=platform%2Fkernel%2Flinux-amlogic.git drm/i915/display: BMG supports UHBR13.5 UHBR20 is not supported by battlemage and the maximum link rate supported is UHBR13.5 v2: Replace IS_DGFX with IS_BATTLEMAGE (Jani) HSD: 16023263677 Signed-off-by: Arun R Murthy Reviewed-by: Mika Kahola Fixes: 98b1c87a5e51 ("drm/i915/xe2hpd: Set maximum DP rate to UHBR13.5") Signed-off-by: Suraj Kandpal Link: https://patchwork.freedesktop.org/patch/msgid/20240827081205.136569-1-arun.r.murthy@intel.com (cherry picked from commit 9c2338ac4543e0fab3a1e0f9f025591e0f0d9f8f) Signed-off-by: Joonas Lahtinen --- diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index a1fcedfd404b..b1b512e258ab 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -531,6 +531,10 @@ static void intel_dp_set_source_rates(struct intel_dp *intel_dp) { /* The values must be in increasing order */ + static const int bmg_rates[] = { + 162000, 216000, 243000, 270000, 324000, 432000, 540000, 675000, + 810000, 1000000, 1350000, + }; static const int mtl_rates[] = { 162000, 216000, 243000, 270000, 324000, 432000, 540000, 675000, 810000, 1000000, 2000000, @@ -561,8 +565,13 @@ intel_dp_set_source_rates(struct intel_dp *intel_dp) intel_dp->source_rates || intel_dp->num_source_rates); if (DISPLAY_VER(dev_priv) >= 14) { - source_rates = mtl_rates; - size = ARRAY_SIZE(mtl_rates); + if (IS_BATTLEMAGE(dev_priv)) { + source_rates = bmg_rates; + size = ARRAY_SIZE(bmg_rates); + } else { + 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;