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drm/i915: split out stepping info to a new file

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gt/intel_workarounds.c is decidedly the wrong place for handling
stepping info. Add new intel_step.[ch] for the data, and move the
stepping arrays there. No functional changes.

v2: Rename stepping->step

Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/f69baf82819a8a35815fca25a520de5c38a7e1b5.1616764798.git.jani.nikula@intel.com
This commit is contained in:
Jani Nikula
2021-03-26 15:21:32 +02:00
parent 93fe862812
commit 7eb186bbe9
5 changed files with 74 additions and 56 deletions
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46
drivers/gpu/drm/i915/intel_step.c Normal file
View File

@@ -0,0 +1,46 @@
// SPDX-License-Identifier: MIT
/*
* Copyright © 2020,2021 Intel Corporation
*/
#include "i915_drv.h"
#include "intel_step.h"
/*
* KBL revision ID ordering is bizarre; higher revision ID's map to lower
* steppings in some cases. So rather than test against the revision ID
* directly, let's map that into our own range of increasing ID's that we
* can test against in a regular manner.
*/
const struct i915_rev_steppings kbl_revids[] = {
[0] = { .gt_stepping = KBL_REVID_A0, .disp_stepping = KBL_REVID_A0 },
[1] = { .gt_stepping = KBL_REVID_B0, .disp_stepping = KBL_REVID_B0 },
[2] = { .gt_stepping = KBL_REVID_C0, .disp_stepping = KBL_REVID_B0 },
[3] = { .gt_stepping = KBL_REVID_D0, .disp_stepping = KBL_REVID_B0 },
[4] = { .gt_stepping = KBL_REVID_F0, .disp_stepping = KBL_REVID_C0 },
[5] = { .gt_stepping = KBL_REVID_C0, .disp_stepping = KBL_REVID_B1 },
[6] = { .gt_stepping = KBL_REVID_D1, .disp_stepping = KBL_REVID_B1 },
[7] = { .gt_stepping = KBL_REVID_G0, .disp_stepping = KBL_REVID_C0 },
};
const struct i915_rev_steppings tgl_uy_revid_step_tbl[] = {
[0] = { .gt_stepping = STEP_A0, .disp_stepping = STEP_A0 },
[1] = { .gt_stepping = STEP_B0, .disp_stepping = STEP_C0 },
[2] = { .gt_stepping = STEP_B1, .disp_stepping = STEP_C0 },
[3] = { .gt_stepping = STEP_C0, .disp_stepping = STEP_D0 },
};
/* Same GT stepping between tgl_uy_revids and tgl_revids don't mean the same HW */
const struct i915_rev_steppings tgl_revid_step_tbl[] = {
[0] = { .gt_stepping = STEP_A0, .disp_stepping = STEP_B0 },
[1] = { .gt_stepping = STEP_B0, .disp_stepping = STEP_D0 },
};
const struct i915_rev_steppings adls_revid_step_tbl[] = {
[0x0] = { .gt_stepping = STEP_A0, .disp_stepping = STEP_A0 },
[0x1] = { .gt_stepping = STEP_A0, .disp_stepping = STEP_A2 },
[0x4] = { .gt_stepping = STEP_B0, .disp_stepping = STEP_B0 },
[0x8] = { .gt_stepping = STEP_C0, .disp_stepping = STEP_B0 },
[0xC] = { .gt_stepping = STEP_D0, .disp_stepping = STEP_C0 },
};