On Thu, Sep 21, 2023 at 08:22:23AM -0500, Lucas De Marchi wrote: > On Wed, Sep 13, 2023 at 01:38:23PM +0300, Ville Syrjälä wrote: > >On Mon, Sep 04, 2023 at 02:55:17PM +0300, Vinod Govindapillai wrote: > >> For LNL onwards, FBC can be supported on planes with per > >> pixel alpha > >> > >> Bspec: 69560 > >> Signed-off-by: Vinod Govindapillai <vinod.govindapillai@xxxxxxxxx> > >> --- > >> drivers/gpu/drm/i915/display/intel_fbc.c | 3 ++- > >> 1 file changed, 2 insertions(+), 1 deletion(-) > >> > >> diff --git a/drivers/gpu/drm/i915/display/intel_fbc.c b/drivers/gpu/drm/i915/display/intel_fbc.c > >> index a3999ad95a19..c0e4caec03ea 100644 > >> --- a/drivers/gpu/drm/i915/display/intel_fbc.c > >> +++ b/drivers/gpu/drm/i915/display/intel_fbc.c > >> @@ -1209,7 +1209,8 @@ static int intel_fbc_check_plane(struct intel_atomic_state *state, > >> return 0; > >> } > >> > >> - if (plane_state->hw.pixel_blend_mode != DRM_MODE_BLEND_PIXEL_NONE && > >> + if (DISPLAY_VER(i915) < 20 && > > > >Bspec still says 15. Someone needs to figure this mess out for > >all LNL patches. > > The HW reports IP version 20. The name of the IP is "Xe2-LPD (formerly Display_15)". > For checking the display version, we don't care about the name or former > name, we care about what is in the GMD_ID. Well, we care what it actually means. If the bspec and hardware reported IP version all messed up how is one supposed to know what hardware has what features? -- Ville Syrjälä Intel --------------------------------------------------------------------- Intel Finland Oy Registered Address: PL 281, 00181 Helsinki Business Identity Code: 0357606 - 4 Domiciled in Helsinki This e-mail and any attachments may contain confidential material for the sole use of the intended recipient(s). Any review or distribution by others is strictly prohibited. If you are not the intended recipient, please contact the sender and delete all copies.
