From: Suraj Kandpal Date: Tue, 23 Dec 2025 06:34:22 +0000 (+0530) Subject: drm/i915/cx0: Use the consolidated HDMI tables X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fb3fba6933d169a4a12a7aa33cb68abfeed62ef4;p=thirdparty%2Fkernel%2Flinux.git drm/i915/cx0: Use the consolidated HDMI tables Use the consolidated HDMI tables before we try to compute them via algorithm. The reason is that these are the ideal values and even though the values calculated via the HDMI algorithm are correct but not always ideal. This is done for C20 and already exists for C10. Signed-off-by: Suraj Kandpal Reviewed-by: Ankit Nautiyal Link: https://patch.msgid.link/20251223063422.1444968-1-suraj.kandpal@intel.com --- diff --git a/drivers/gpu/drm/i915/display/intel_cx0_phy.c b/drivers/gpu/drm/i915/display/intel_cx0_phy.c index 2c87c58812da6..7288065d24619 100644 --- a/drivers/gpu/drm/i915/display/intel_cx0_phy.c +++ b/drivers/gpu/drm/i915/display/intel_cx0_phy.c @@ -2671,15 +2671,18 @@ static int intel_c20pll_calc_state(const struct intel_crtc_state *crtc_state, hw_state->cx0pll.use_c10 = false; hw_state->cx0pll.lane_count = crtc_state->lane_count; - /* try computed C20 HDMI tables before using consolidated tables */ - if (!is_dp) - /* TODO: Update SSC state for HDMI as well */ - err = intel_c20_compute_hdmi_tmds_pll(crtc_state, &hw_state->cx0pll.c20); - + /* + * Try the ideal C20 HDMI tables before computing them, since the calculated + * values, although correct, may not be optimal. + */ if (err) err = intel_c20pll_calc_state_from_table(crtc_state, encoder, &hw_state->cx0pll); + /* TODO: Update SSC state for HDMI as well */ + if (!is_dp && err) + err = intel_c20_compute_hdmi_tmds_pll(crtc_state, &hw_state->cx0pll.c20); + if (err) return err;