From: Ville Syrjälä Date: Fri, 28 Jan 2022 10:37:56 +0000 (+0200) Subject: drm/i915: Always check dp_m2_n2 on pre-bdw X-Git-Tag: v5.18-rc1~134^2~19^2~19 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=2efb4adf489dd29526c412c4593d12e08076c68a;p=thirdparty%2Flinux.git drm/i915: Always check dp_m2_n2 on pre-bdw No point in special casing the check of dp_m2_n2 on pre-bdw platforms. Either the transcoder has M2/N2 in which case the values should be set to something sensible, or it doesn't in which case dp_m2_n2 is always zeroed. Signed-off-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20220128103757.22461-17-ville.syrjala@linux.intel.com Reviewed-by: Jani Nikula --- diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 8db219b9d7602..d55f87891c4c0 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -6483,13 +6483,12 @@ intel_pipe_config_compare(const struct intel_crtc_state *current_config, PIPE_CONF_CHECK_I(lane_count); PIPE_CONF_CHECK_X(lane_lat_optim_mask); - if (DISPLAY_VER(dev_priv) < 8) { - PIPE_CONF_CHECK_M_N(dp_m_n); - - if (current_config->has_drrs) - PIPE_CONF_CHECK_M_N(dp_m2_n2); - } else + if (DISPLAY_VER(dev_priv) >= 9 || IS_BROADWELL(dev_priv)) { PIPE_CONF_CHECK_M_N_ALT(dp_m_n, dp_m2_n2); + } else { + PIPE_CONF_CHECK_M_N(dp_m_n); + PIPE_CONF_CHECK_M_N(dp_m2_n2); + } PIPE_CONF_CHECK_X(output_types);