For a virtualized boot, it is possible for port A to be tied to DP.
Min He any additional comment?
On Jun 14, 2017 9:38 PM, Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> wrote:
On Wed, Jun 14, 2017 at 01:47:30PM +0800, Mustamin B Mustaffa wrote:
> From: "Anuar, Nuhairi" <nuhairi.anuar@xxxxxxxxx>
>
> In GVT guest, when port A is DP, i915 will force it as an EDP panel,
> which
> will cause DP-1 not working in GVT guest.
> This patch fixed this issue by check intel_vgpu_active() in
> intel_ddi_compute_config().
>
> Signed-off-by: Min He <min.he@xxxxxxxxx>
> Signed-off-by: Nuhairi Anuar <nuhairi.anuar@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/intel_ddi.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
> index 66b367d..1110cbc 100644
> --- a/drivers/gpu/drm/i915/intel_ddi.c
> +++ b/drivers/gpu/drm/i915/intel_ddi.c
> @@ -2069,7 +2069,7 @@ static bool intel_ddi_compute_config(struct intel_encoder *encoder,
>
> WARN(type == INTEL_OUTPUT_UNKNOWN, "compute_config() on unknown output!\n");
>
> - if (port == PORT_A)
> + if (port == PORT_A && !intel_vgpu_active(dev_priv))
> pipe_config->cpu_transcoder = TRANSCODER_EDP;
And why exactly are you trying to register DP on port A?
>
> if (type == INTEL_OUTPUT_HDMI)
> --
> 1.9.1
>
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--
Ville Syrjälä
Intel OTC
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