| Message ID | 20240320201152.3487892-4-imre.deak@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | drm/i915/dp: Few MTL/DSC and a UHBR monitor fix | expand |
On 3/21/2024 1:41 AM, Imre Deak wrote: > The DSC DPT bpp limit check should only fail if the available DPT BW is > less than the required BW, fix the check accordingly. > > Signed-off-by: Imre Deak <imre.deak@intel.com> LGTM. Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com> > --- > drivers/gpu/drm/i915/display/intel_dp_mst.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c > index b2bcf66071b05..c21fd7a2cd44f 100644 > --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c > +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c > @@ -60,7 +60,7 @@ static int intel_dp_mst_check_constraints(struct drm_i915_private *i915, int bpp > int output_bpp = bpp; > int symbol_clock = intel_dp_link_symbol_clock(crtc_state->port_clock); > > - if (output_bpp * adjusted_mode->crtc_clock >= > + if (output_bpp * adjusted_mode->crtc_clock > > symbol_clock * 72) { > drm_dbg_kms(&i915->drm, "UHBR check failed(required bw %d available %d)\n", > output_bpp * adjusted_mode->crtc_clock, symbol_clock * 72);
diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c index b2bcf66071b05..c21fd7a2cd44f 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c @@ -60,7 +60,7 @@ static int intel_dp_mst_check_constraints(struct drm_i915_private *i915, int bpp int output_bpp = bpp; int symbol_clock = intel_dp_link_symbol_clock(crtc_state->port_clock); - if (output_bpp * adjusted_mode->crtc_clock >= + if (output_bpp * adjusted_mode->crtc_clock > symbol_clock * 72) { drm_dbg_kms(&i915->drm, "UHBR check failed(required bw %d available %d)\n", output_bpp * adjusted_mode->crtc_clock, symbol_clock * 72);
The DSC DPT bpp limit check should only fail if the available DPT BW is less than the required BW, fix the check accordingly. Signed-off-by: Imre Deak <imre.deak@intel.com> --- drivers/gpu/drm/i915/display/intel_dp_mst.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)