mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-09-12 13:55:32 +00:00
Code Issues Releases Wiki Activity

drm/i915/gsc: Only initialize GSC in tile 0

Browse source 
For multi-tile setups the GSC operational only on the tile 0.
Skip GSC auxiliary device creation for all other tiles
in GSC device init code.
Initialize basic GSC fields and use the same path
as HECI1 (HECI_PXP) device disable.

Cc: Tomas Winkler <tomas.winkler@intel.com>
Cc: Vitaly Lubart <vitaly.lubart@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Acked-by: Tomas Winkler <tomas.winkler@intel.com>
Reviewed-by: Tomas Winkler <tomas.winkler@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221121092449.328674-1-alexander.usyskin@intel.com
This commit is contained in:
José Roberto de Souza 2022-11-21 11:24:49 +02:00
parent 529d95a606
commit ba51925da4
1 changed files with 8 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
drivers/gpu/drm/i915/gt/intel_gsc.c
View file

@ -174,6 +174,14 @@ static void gsc_init_one(struct drm_i915_private *i915, struct intel_gsc *gsc,
intf->irq = -1;
intf->id = intf_id;
/*
* On the multi-tile setups the GSC is functional on the first tile only
*/
if (gsc_to_gt(gsc)->info.id != 0) {
drm_dbg(&i915->drm, "Not initializing gsc for remote tiles\n");
return;
}
if (intf_id == 0 && !HAS_HECI_PXP(i915))
return;