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drm/i915: switch TGL and ADL to the new stepping scheme

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This changes the way revids not present in the array are handled:

- For gaps in the array, the next present revid is used.

- For revids beyond the array, the new STEP_FUTURE is used instead of
  the last revid in the array.

In both cases, we'll get debug logging of what's going on.

v2: Rename stepping->step

Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/756fe3d75b1e91ef812fc1fd3f70337e9c571d91.1616764798.git.jani.nikula@intel.com
This commit is contained in:
Jani Nikula
2021-03-26 15:21:35 +02:00
parent ef47b7ab1f
commit 34b7e27b88
3 changed files with 28 additions and 56 deletions
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8
drivers/gpu/drm/i915/intel_step.h
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@@ -15,14 +15,6 @@ struct i915_rev_steppings {
u8 disp_stepping;
};
#define TGL_UY_REVID_STEP_TBL_SIZE 4
#define TGL_REVID_STEP_TBL_SIZE 2
#define ADLS_REVID_STEP_TBL_SIZE 13
extern const struct i915_rev_steppings tgl_uy_revid_step_tbl[TGL_UY_REVID_STEP_TBL_SIZE];
extern const struct i915_rev_steppings tgl_revid_step_tbl[TGL_REVID_STEP_TBL_SIZE];
extern const struct i915_rev_steppings adls_revid_step_tbl[ADLS_REVID_STEP_TBL_SIZE];
/*
* Symbolic steppings that do not match the hardware. These are valid both as gt
* and display steppings as symbolic names.