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As now graphics and media can have different steppings this patch is
renaming all _GT_STEP macros to _GRAPHICS_STEP.
Future platforms will properly choose between _MEDIA_STEP and
_GRAPHICS_STEP for each new workaround.
Cc: Matt Atwood <matthew.s.atwood@intel.com>
Cc: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Reviewed-by: Caz Yokoyama <caz.yokoyama@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211020002353.193893-3-jose.souza@intel.com
Graphics and media IPs can have different stepping so a new field is
needed in intel_step_info.
The next patch will take care of rename gt_step to graphics_step.
Cc: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Cc: Matt Atwood <matthew.s.atwood@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211020002353.193893-2-jose.souza@intel.com
With the addition of stepping info for
all platforms, lets use macros for handling them
and autogenerating code for all steps at a time.
Suggested-by: Matt Roper <matthew.d.roper@intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Anusha Srivatsa <anusha.srivatsa@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210721215238.24980-1-anusha.srivatsa@intel.com
Switch SKL to use a revid->stepping table as we're trying to do on all
platforms going forward. Also drop the preproduction revisions and add
the newer steppings we hadn't already handled.
Note that SKL has a case where a newer revision ID corresponds to an
older GT/disp stepping (0x9 -> STEP_J0, 0xA -> STEP_I1). Also, the lack
of a revision ID 0x8 in the table is intentional and not an oversight.
We'll re-write the KBL-specific comment to make it clear that these kind
of quirks are expected.
v2:
- Since GT and display steppings are always identical on SKL use a
macro to set both values at once in a more readable manner. (Anusha)
- Drop preproduction steppings.
Bspec: 13626
Cc: Anusha Srivatsa <anusha.srivatsa@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Anusha Srivatsa <anusha.srivatsa@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210713193635.3390052-4-matthew.d.roper@intel.com
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
Add new symbolic names for revision ids, and convert KBL revids to use
them via the new stepping check macros.
This also fixes theoretical out of bounds access to kbl_revids array.
v3: upgrade dbg to warn on unknown revid (José)
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/79b6c48211c6b214165391d350d556bad748f747.1616764798.git.jani.nikula@intel.com
Add new runtime info field for stepping. Add new helpers for accessing
them. As we'll be switching platforms over to the new scheme
incrementally, check for non-initialized steppings.
In case a platform does not have separate display and gt steppings, it's
okay to use a common shorthand. However, in this case the display
stepping must not be initialized, and gt stepping is the single point of
truth.
v3: Remove IS_STEP() (José)
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/bb4275733fa390ea3dbf6f62794d55b616665230.1616764798.git.jani.nikula@intel.com
