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[14/22] drm/i915/mst: Reject FEC+MST on ICL

Message ID 20240329011254.24160-15-ville.syrjala@linux.intel.com (mailing list archive)
State New, archived
Headers show
Series drm/i915: Bigjoiner modeset sequence redesign and MST support | expand

Commit Message

Ville Syrjälä March 29, 2024, 1:12 a.m. UTC 
From: Ville Syrjälä <ville.syrjala@linux.intel.com>

ICL supposedly doesn't support FEC on MST. Reject it.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
---
 drivers/gpu/drm/i915/display/intel_dp.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

Comments

Shankar, Uma April 1, 2024, 9:45 a.m. UTC | #1 
> -----Original Message-----
> From: Intel-gfx <intel-gfx-bounces@lists.freedesktop.org> On Behalf Of Ville
> Syrjala
> Sent: Friday, March 29, 2024 6:43 AM
> To: intel-gfx@lists.freedesktop.org
> Subject: [PATCH 14/22] drm/i915/mst: Reject FEC+MST on ICL
> 
> From: Ville Syrjälä <ville.syrjala@linux.intel.com>
> 
> ICL supposedly doesn't support FEC on MST. Reject it.

Looks Good to me.
Reviewed-by: Uma Shankar <uma.shankar@intel.com>

> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
> ---
>  drivers/gpu/drm/i915/display/intel_dp.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_dp.c
> b/drivers/gpu/drm/i915/display/intel_dp.c
> index cbabd1924474..8b8059b6bb21 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp.c
> +++ b/drivers/gpu/drm/i915/display/intel_dp.c
> @@ -1415,7 +1415,8 @@ static bool intel_dp_source_supports_fec(struct
> intel_dp *intel_dp,
>  	if (DISPLAY_VER(dev_priv) >= 12)
>  		return true;
> 
> -	if (DISPLAY_VER(dev_priv) == 11 && encoder->port != PORT_A)
> +	if (DISPLAY_VER(dev_priv) == 11 && encoder->port != PORT_A &&
> +	    !intel_crtc_has_type(pipe_config, INTEL_OUTPUT_DP_MST))
>  		return true;
> 
>  	return false;
> --
> 2.43.2
diff mbox series

Patch

diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index cbabd1924474..8b8059b6bb21 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -1415,7 +1415,8 @@  static bool intel_dp_source_supports_fec(struct intel_dp *intel_dp,
 	if (DISPLAY_VER(dev_priv) >= 12)
 		return true;
 
-	if (DISPLAY_VER(dev_priv) == 11 && encoder->port != PORT_A)
+	if (DISPLAY_VER(dev_priv) == 11 && encoder->port != PORT_A &&
+	    !intel_crtc_has_type(pipe_config, INTEL_OUTPUT_DP_MST))
 		return true;
 
 	return false;