[PATCH] radeon/kms: force rn50 chip to always report connected on analog output

[Alex Deucher]

On Tue, Jan 8, 2013 at 6:41 PM,  <j.glisse at gmail.com> wrote:
> From: Jerome Glisse <jglisse at redhat.com>
>
> Those rn50 chip are often connected to console remoting hw and load
> detection often fails with those. Just don't try to load detect and
> report connect.
>
> Signed-off-by: Jerome Glisse <jglisse at redhat.com>

Seems reasonable to me.  Added to my -fixes queue.

Alex

> ---
>  drivers/gpu/drm/radeon/radeon_legacy_encoders.c | 8 ++++++++
>  1 file changed, 8 insertions(+)
>
> diff --git a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
> index f5ba224..62cd512 100644
> --- a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
> +++ b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
> @@ -640,6 +640,14 @@ static enum drm_connector_status radeon_legacy_primary_dac_detect(struct drm_enc
>         enum drm_connector_status found = connector_status_disconnected;
>         bool color = true;
>
> +       /* just don't bother on RN50 those chip are often connected to remoting
> +        * console hw and often we get failure to load detect those. So to make
> +        * everyone happy report the encoder as always connected.
> +        */
> +       if (ASIC_IS_RN50(rdev)) {
> +               return connector_status_connected;
> +       }
> +
>         /* save the regs we need */
>         vclk_ecp_cntl = RREG32_PLL(RADEON_VCLK_ECP_CNTL);
>         crtc_ext_cntl = RREG32(RADEON_CRTC_EXT_CNTL);
> --
> 1.7.11.7
>
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