Commit 0656afab authored by Ville Syrjälä's avatar Ville Syrjälä
Browse files

drm/i915/mtl: Calculate the correct voltage level from port_clock 



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: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231128115138.13238-8-ville.syrjala@linux.intel.com


Reviewed-by: default avatarGustavo Sousa <gustavo.sousa@intel.com>
parent 46bdb77d

drivers/gpu/drm/i915/display/intel_ddi.c

+3 −1
Original line number Diff line number Diff line
@@ -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);