6.6-stable review patch. If anyone has any objections, please let me know.
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From: Chaitanya Kumar Borah chaitanya.kumar.borah@intel.com
commit ce4941c2d6459664761c9854701015d8e99414fb upstream.
eDP specification supports HBR3 link rate since v1.4a. Moreover, C10 phy can support HBR3 link rate for both DP and eDP. Therefore, do not clamp the supported rates for eDP at 6.75Gbps.
BSpec: 70073 74224
Signed-off-by: Chaitanya Kumar Borah chaitanya.kumar.borah@intel.com Reviewed-by: Mika Kahola mika.kahola@intel.com Signed-off-by: Mika Kahola mika.kahola@intel.com Link: https://patchwork.freedesktop.org/patch/msgid/20231018113622.2761997-1-chait... (cherry picked from commit a3431650f30a94b179d419ef87c21213655c28cd) Signed-off-by: Jani Nikula jani.nikula@intel.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/gpu/drm/i915/display/intel_dp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -430,7 +430,7 @@ static int mtl_max_source_rate(struct in enum phy phy = intel_port_to_phy(i915, dig_port->base.port);
if (intel_is_c10phy(i915, phy)) - return intel_dp_is_edp(intel_dp) ? 675000 : 810000; + return 810000;
return 2000000; }