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SA2PR11MB5035.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 28 Oct 2026 08:38:29.5646 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: V4w7YKUzmp+S90oadfxj6L695VwnKmrzKIlTo23idM554D6p7nTRPGynrW6BdHP7quzgxJSCsDEjvOZmiWBtQEjNwg0krjXwyk8T2vaYuKk= X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH7PR11MB5793 X-OriginatorOrg: intel.com On 10/28/2026 12:34 PM, Vidya Srinivas wrote: > Pipe joining is not supported in the WCL display configuration. > Report no joiner support on WCL so that modes which would require > joining are rejected, matching the 4k 60Hz maximum resolution > documented for the platform. > > v2: Rebase onto latest upstream > v3: Fix up the commit message > v4: Split the scaler and joiner changes into separate patches (Jani) > > Bspec: 74286 > Cc: stable@vger.kernel.org Won't we need a Fixes tag to tell where this change need to go to? > Suggested-by: Charlton Lin > Reviewed-by: Uma Shankar > Signed-off-by: Vidya Srinivas > --- > drivers/gpu/drm/i915/display/intel_dp.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c > index 00e02e019d25..ef164a797618 100644 > --- a/drivers/gpu/drm/i915/display/intel_dp.c > +++ b/drivers/gpu/drm/i915/display/intel_dp.c > @@ -485,9 +485,9 @@ bool intel_dp_has_joiner(struct intel_dp *intel_dp) > return false; > } > > - return DISPLAY_VER(display) >= 12 || > + return ((DISPLAY_VER(display) >= 12 && DISPLAY_VERx100(display) != 3002) || > (DISPLAY_VER(display) == 11 && > - encoder->port != PORT_A); > + encoder->port != PORT_A)); > } > > static int dg2_max_source_rate(struct intel_dp *intel_dp)