On Mon, 2020-12-07 at 22:35 +0200, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrj...@linux.intel.com>
>
> Get rid of the "I like my random new style best" approach and unify
> the handling for the DDI buf trans table sanity checks once again.
Reviewed-by: José Roberto de Souza <jose.so...@intel.com>
>
> Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
> ---
> drivers/gpu/drm/i915/display/intel_ddi.c | 23 ++++++++++-------------
> 1 file changed, 10 insertions(+), 13 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c
> b/drivers/gpu/drm/i915/display/intel_ddi.c
> index c3a15ce66478..68693d4538e2 100644
> --- a/drivers/gpu/drm/i915/display/intel_ddi.c
> +++ b/drivers/gpu/drm/i915/display/intel_ddi.c
> @@ -2631,15 +2631,11 @@ static void icl_ddi_combo_vswing_program(struct
> intel_encoder *encoder,
> ddi_translations = ehl_get_combo_buf_trans(encoder, crtc_state,
> &n_entries);
> else
> ddi_translations = icl_get_combo_buf_trans(encoder, crtc_state,
> &n_entries);
> - if (!ddi_translations)
> - return;
>
>
>
>
> - if (level >= n_entries) {
> - drm_dbg_kms(&dev_priv->drm,
> - "DDI translation not found for level %d. Using %d
> instead.",
> - level, n_entries - 1);
> + if (drm_WARN_ON_ONCE(&dev_priv->drm, !ddi_translations))
> + return;
> + if (drm_WARN_ON_ONCE(&dev_priv->drm, level >= n_entries))
> level = n_entries - 1;
> - }
>
>
>
>
> if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP)) {
> struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
> @@ -2760,12 +2756,11 @@ static void icl_mg_phy_ddi_vswing_sequence(struct
> intel_encoder *encoder,
> u32 val;
>
>
>
>
> ddi_translations = icl_get_mg_buf_trans(encoder, crtc_state,
> &n_entries);
> - if (level >= n_entries) {
> - drm_dbg_kms(&dev_priv->drm,
> - "DDI translation not found for level %d. Using %d
> instead.",
> - level, n_entries - 1);
> +
> + if (drm_WARN_ON_ONCE(&dev_priv->drm, !ddi_translations))
> + return;
> + if (drm_WARN_ON_ONCE(&dev_priv->drm, level >= n_entries))
> level = n_entries - 1;
> - }
>
>
>
>
> /* Set MG_TX_LINK_PARAMS cri_use_fs32 to 0. */
> for (ln = 0; ln < 2; ln++) {
> @@ -2897,7 +2892,9 @@ tgl_dkl_phy_ddi_vswing_sequence(struct intel_encoder
> *encoder,
>
>
>
>
> ddi_translations = tgl_get_dkl_buf_trans(encoder, crtc_state,
> &n_entries);
>
>
>
>
> - if (level >= n_entries)
> + if (drm_WARN_ON_ONCE(&dev_priv->drm, !ddi_translations))
> + return;
> + if (drm_WARN_ON_ONCE(&dev_priv->drm, level >= n_entries))
> level = n_entries - 1;
>
>
>
>
> dpcnt_mask = (DKL_TX_PRESHOOT_COEFF_MASK |
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