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charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit On 1/8/2026 6:36 AM, Rodrigo Vivi wrote: > On Wed, Jan 07, 2026 at 05:13:41PM -0800, Daniele Ceraolo Spurio wrote: >> GSC loading is required for content protection features (PXP, HDCP). >> >> Since PTL force_probe was removed before we added the FW, the driver >> needs to keep working if the FW is not found. Therefore, the code has >> been modified to allow the GSC FW to be missing for BMG and newer HW >> (older HW platforms require GSC for power management, so on those we >> don't want to continue if the FW is missing). >> >> Note that I haven't pushed the FW yet. This is on purpose, as I want to >> get CI with the FW missing to test that case. Once the patches have been >> reviewed and tested without the FW, I'll push the FW to intel-staging >> and re-trigger CI to make sure everything works with the FW as well. > > Acked-by: Rodrigo Vivi > > on both, the optional approach proposed by the first patch and on > the CI approach you took here. I've re-run CI and no regression have popped up both without [1] and with [2] the FW. [1] https://intel-gfx-ci.01.org/tree/intel-xe/xe-pw-159774v1/index.html? xe 0000:00:02.0: [drm] Tile0: GT1: GSC firmware xe/ptl_gsc_1.bin not found xe 0000:00:02.0: [drm] Tile0: GT1: GSC firmware(s) can be downloaded from ... [2] https://intel-gfx-ci.01.org/tree/intel-xe/xe-pw-159774v3/index.html? xe 0000:00:02.0: [drm] Tile0: GT1: Using GSC firmware from xe/ptl_gsc_1.bin version 105.0.2.1301 I've also sent the PR for the FW to linux-firmware: https://gitlab.com/kernel-firmware/linux-firmware/-/merge_requests/858 So I'm going to go ahead and merge this. Daniele > >> Cc: Rodrigo Vivi >> Cc: Julia Filipchuk >> >> Daniele Ceraolo Spurio (3): >> drm/xe/gsc: Make GSC FW load optional for newer platforms >> drm/xe/ptl: Define GSC for PTL >> drm/xe/ptl: Enable PXP for PTL >> >> drivers/gpu/drm/xe/display/xe_hdcp_gsc.c | 2 +- >> drivers/gpu/drm/xe/xe_gsc.c | 13 +++++++------ >> drivers/gpu/drm/xe/xe_pci.c | 1 + >> drivers/gpu/drm/xe/xe_uc_fw.c | 11 ++++++++--- >> 4 files changed, 17 insertions(+), 10 deletions(-) >> >> -- >> 2.43.0 >> --------------DIPO6unW8z9fMDsFRQ18eBpX Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: 7bit

On 1/8/2026 6:36 AM, Rodrigo Vivi wrote:
On Wed, Jan 07, 2026 at 05:13:41PM -0800, Daniele Ceraolo Spurio wrote:

GSC loading is required for content protection features (PXP, HDCP).

Since PTL force_probe was removed before we added the FW, the driver
needs to keep working if the FW is not found. Therefore, the code has
been modified to allow the GSC FW to be missing for BMG and newer HW
(older HW platforms require GSC for power management, so on those we
don't want to continue if the FW is missing).

Note that I haven't pushed the FW yet. This is on purpose, as I want to
get CI with the FW missing to test that case. Once the patches have been
reviewed and tested without the FW, I'll push the FW to intel-staging
and re-trigger CI to make sure everything works with the FW as well.


Acked-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

on both, the optional approach proposed by the first patch and on
the CI approach you took here.

I've re-run CI and no regression have popped up both without [1] and with [2] the FW.

[1] https://intel-gfx-ci.01.org/tree/intel-xe/xe-pw-159774v1/index.html?
xe 0000:00:02.0: [drm] Tile0: GT1: GSC firmware xe/ptl_gsc_1.bin not found
xe 0000:00:02.0: [drm] Tile0: GT1: GSC firmware(s) can be downloaded from ...

[2] https://intel-gfx-ci.01.org/tree/intel-xe/xe-pw-159774v3/index.html?
xe 0000:00:02.0: [drm] Tile0: GT1: Using GSC firmware from xe/ptl_gsc_1.bin version 105.0.2.1301

I've also sent the PR for the FW to linux-firmware:
https://gitlab.com/kernel-firmware/linux-firmware/-/merge_requests/858

So I'm going to go ahead and merge this.

Daniele



Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Julia Filipchuk <julia.filipchuk@intel.com>

Daniele Ceraolo Spurio (3):
  drm/xe/gsc: Make GSC FW load optional for newer platforms
  drm/xe/ptl: Define GSC for PTL
  drm/xe/ptl: Enable PXP for PTL

 drivers/gpu/drm/xe/display/xe_hdcp_gsc.c |  2 +-
 drivers/gpu/drm/xe/xe_gsc.c              | 13 +++++++------
 drivers/gpu/drm/xe/xe_pci.c              |  1 +
 drivers/gpu/drm/xe/xe_uc_fw.c            | 11 ++++++++---
 4 files changed, 17 insertions(+), 10 deletions(-)

-- 
2.43.0

--------------DIPO6unW8z9fMDsFRQ18eBpX--