drm/i915: Fix Memory BW formulae for ADL-P

The earlier update to BW formulae broke ADL-P. Include
display 13 to use TGL path for BW parameters.

Fixes: c64a9a7c05be ("drm/i915: Update memory bandwidth formulae")
Cc: Matt Roper <matthew.d.roper@intel.com>
Reported-by: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Reviewed-by: Caz Yokoyama <caz.yokoyama@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211106003714.17894-1-radhakrishna.sripada@intel.com

diff --git a/drivers/gpu/drm/i915/display/intel_bw.c b/drivers/gpu/drm/i915/display/intel_bw.c
index 15c006194c859e1f260179f6b72dfa59ea7f5713..abec394f6869e32a7de55420f82184cffb27b728 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_bw.c
+++ b/drivers/gpu/drm/i915/display/intel_bw.c
@@ -147,7 +147,7 @@ static int icl_get_qgv_points(struct drm_i915_private *dev_priv,
        qi->num_points = dram_info->num_qgv_points;
        qi->num_psf_points = dram_info->num_psf_gv_points;
 
-       if (DISPLAY_VER(dev_priv) == 12)
+       if (DISPLAY_VER(dev_priv) >= 12)
                switch (dram_info->type) {
                case INTEL_DRAM_DDR4:
                        qi->t_bl = is_y_tile ? 8 : 4;