From 0656afab88a6cf0efb3fbef394b68a4451b40365 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Ville=20Syrj=C3=A4l=C3=A4?= Date: Tue, 28 Nov 2023 13:51:37 +0200 Subject: [PATCH] drm/i915/mtl: Calculate the correct voltage level from port_clock MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit On MTL we need to bump the voltage level to only 1 (not 2) when port clock exceeds 594MHz. Make it so. Signed-off-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20231128115138.13238-8-ville.syrjala@linux.intel.com Reviewed-by: Gustavo Sousa --- drivers/gpu/drm/i915/display/intel_ddi.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index bcfcd7e789f01..dd04bd7b348c5 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -3699,7 +3699,9 @@ static int icl_ddi_min_voltage_level(const struct intel_crtc_state *crtc_state) void intel_ddi_compute_min_voltage_level(struct drm_i915_private *dev_priv, struct intel_crtc_state *crtc_state) { - if (DISPLAY_VER(dev_priv) >= 12) + if (DISPLAY_VER(dev_priv) >= 14) + crtc_state->min_voltage_level = icl_ddi_min_voltage_level(crtc_state); + else if (DISPLAY_VER(dev_priv) >= 12) crtc_state->min_voltage_level = tgl_ddi_min_voltage_level(crtc_state); else if (IS_JASPERLAKE(dev_priv) || IS_ELKHARTLAKE(dev_priv)) crtc_state->min_voltage_level = jsl_ddi_min_voltage_level(crtc_state); -- 2.30.2