On Tue, 2026-01-13 at 10:16 +0000, Matt Coster wrote:
> We're seeing an influx of contributions to add support for lots of
> different hardware containing Imagination GPUs, and for that we're
> incredibly grateful.
>
> Out of an abundance of caution, let's mark anything with intial support
> that isn't yet reasonably widely tested as "experimental".
>
> This serves two goals:
> - Don't accidentally declare that hardware with early support is usable
> without sufficient testing.
> - Allow for future breaking changes that would normally not be allowed
> (limited to this experimental hardware).
>
> Here's a quick breakdown of the series:
> - P1-3: General cleanup & other parameter/debugfs-related enhancements.
> - P4: Introduce a module parameter to override the detected gpuid,
> which is useful for testing.
> - P5: Add KUnit infrastructure to the driver for the first time, to
> validate the error-prone task of parsing a gpuid from a string.
> - P6: Introduce the titular check.
>
> Many of the earlier changes could go in on their own, but are not
> critical fixes and would all land in the -next tree anyway so it seems
> pointless to separate them from the context of the later changes.
>
> Signed-off-by: Matt Coster <matt.coster@imgtec.com>
> ---
> Alexandru Dadu (1):
> drm/imagination: Add gpuid module parameter
>
> Matt Coster (5):
> drm/imagination: Simplify module parameters
> drm/imagination: Validate fw trace group_mask
> drm/imagination: Load FW trace config at init
> drm/imagination: KUnit test for pvr_gpuid_decode_string()
> drm/imagination: Warn or error on unsupported hardware
>
> drivers/gpu/drm/imagination/Kconfig | 12 ++
> drivers/gpu/drm/imagination/Makefile | 3 +-
> drivers/gpu/drm/imagination/pvr_debugfs.c | 2 -
> drivers/gpu/drm/imagination/pvr_device.c | 200 ++++++++++++++++++++++++++---
> drivers/gpu/drm/imagination/pvr_device.h | 24 ++--
> drivers/gpu/drm/imagination/pvr_fw_trace.c | 125 +++++++++++++++---
> drivers/gpu/drm/imagination/pvr_fw_trace.h | 3 -
> drivers/gpu/drm/imagination/pvr_params.c | 147 ---------------------
> drivers/gpu/drm/imagination/pvr_params.h | 72 -----------
> drivers/gpu/drm/imagination/pvr_test.c | 73 +++++++++++
> 10 files changed, 389 insertions(+), 272 deletions(-)
> ---
> base-commit: 4a768c544f64eaa2fc7cfa91e46f43aa4aad0c40
> change-id: 20260107-device-support-info-f16d81b672d5
>
For the whole serie,
Reviewed-by: Alessio Belle <alessio.belle@imgtec.com>
Thanks,
Alessio