Some Cc to try to get it reviewed.
Lucas De Marchi
On Fri, Mar 6, 2020 at 5:26 PM Lucas De Marchi <lucas.demarchi@xxxxxxxxx> wrote:
>
> This avoids the annoying message
> "Failed to get panel details from OpRegion (-19)" while initializing.
> On DGFX there is no access to OpRegion, so just avoid any calls related
> to it.
>
> Signed-off-by: Lucas De Marchi <lucas.demarchi@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/display/intel_opregion.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_opregion.c b/drivers/gpu/drm/i915/display/intel_opregion.c
> index cc6b00959586..daadad046810 100644
> --- a/drivers/gpu/drm/i915/display/intel_opregion.c
> +++ b/drivers/gpu/drm/i915/display/intel_opregion.c
> @@ -1006,6 +1006,10 @@ intel_opregion_get_panel_type(struct drm_i915_private *dev_priv)
> u32 panel_details;
> int ret;
>
> + /* No access to OpRegion */
> + if (IS_DGFX(dev_priv))
> + return -ENODEV;
> +
> ret = swsci(dev_priv, SWSCI_GBDA_PANEL_DETAILS, 0x0, &panel_details);
> if (ret) {
> drm_dbg_kms(&dev_priv->drm,
> --
> 2.25.1
>
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--
Lucas De Marchi
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