[Intel-gfx] [PATCH 0/6] drm/i915/dpt: Fix DPT+shmem combo and add i915.enable_dpt modparam

[Juha-Pekka Heikkila]

Set look all ok,

Reviewed-by: Juha-Pekka Heikkila <juhapekka.heikkila at gmail.com>

I guess should start to think about how to write igt tests which would 
target directly at dpt so this kind of issues wouldn't get missed.

/Juha-Pekka

On 20.3.2023 11.05, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> 
> Avoid the shrinker evicting the DPT during hibernate and
> causing an oops. This might also fix DPT induced display faults
> during high memory pressure (though still don't have a real
> theory how that could actually happen).
> 
> Also add a i915.enable_dpt modparam to disable DPT usage via
> the chicken bit. This can be useful when trying to debug suspected
> DPT issues.
> 
> Ville Syrjälä (6):
>    drm/i915/dpt: Treat the DPT BO as a framebuffer
>    drm/i915/dpt: Only do the POT stride remap when using DPT
>    drm/i915/dpt: Introduce HAS_DPT()
>    drm/i915: Add PLANE_CHICKEN registers
>    drm/i915/dpt: Add a modparam to disable DPT via the chicken bit
>    drm/i915: Move PLANE_BUG_CFG bit definitons to the correct place
> 
>   drivers/gpu/drm/i915/display/intel_display.c  |  6 +++++
>   drivers/gpu/drm/i915/display/intel_dpt.c      | 23 +++++++++++++++++++
>   drivers/gpu/drm/i915/display/intel_dpt.h      |  2 ++
>   drivers/gpu/drm/i915/display/intel_fb.c       | 11 +++++----
>   drivers/gpu/drm/i915/display/intel_fb.h       |  1 +
>   .../drm/i915/display/skl_universal_plane.c    |  6 +++++
>   drivers/gpu/drm/i915/gem/i915_gem_object.h    |  2 +-
>   .../gpu/drm/i915/gem/i915_gem_object_types.h  |  3 +++
>   drivers/gpu/drm/i915/i915_drv.h               |  2 ++
>   drivers/gpu/drm/i915/i915_params.c            |  3 +++
>   drivers/gpu/drm/i915/i915_params.h            |  1 +
>   drivers/gpu/drm/i915/i915_reg.h               | 21 +++++++++++++----
>   12 files changed, 70 insertions(+), 11 deletions(-)
>