[3/8,SRU,H] drm/i915: split out stepping info to a new file

Message ID	20210719172949.64352-4-chris.chiu@canonical.com
State	New
Headers	show Return-Path: <kernel-team-bounces@lists.ubuntu.com> From: chris.chiu@canonical.com To: kernel-team@lists.ubuntu.com Subject: [PATCH 3/8][SRU][H] drm/i915: split out stepping info to a new file Date: Tue, 20 Jul 2021 01:29:44 +0800 Message-Id: <20210719172949.64352-4-chris.chiu@canonical.com> In-Reply-To: <20210719172949.64352-1-chris.chiu@canonical.com> References: <20210719172949.64352-1-chris.chiu@canonical.com> MIME-Version: 1.0 Precedence: list Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: kernel-team-bounces@lists.ubuntu.com Sender: "kernel-team" <kernel-team-bounces@lists.ubuntu.com>
Series	Fix garbage display when scrolling on TGL platforms \| expand [0/8,SRU,H] Fix garbage display when scrolling on TGL platforms [1/8,SRU,H] drm/i915/tgl: Use TGL stepping info for applying WAs [2/8,SRU,H] drm/i915/adl_s: Add ADL-S platform info and PCI ids [3/8,SRU,H] drm/i915: split out stepping info to a new file [4/8,SRU,H] drm/i915: add new helpers for accessing stepping info [5/8,SRU,H] drm/i915: switch KBL to the new stepping scheme [6/8,SRU,H] drm/i915: switch TGL and ADL to the new stepping scheme [7/8,SRU,H] drm/i915: rename DISP_STEPPING->DISPLAY_STEP and GT_STEPPING->GT_STEP [8/8,SRU,H] drm/i915/display: Disable PSR2 if TGL Display stepping is B1 from A0

diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile index 6d9e81ea67f4..7db54c55ef02 100644 --- a/drivers/gpu/drm/i915/Makefile +++ b/drivers/gpu/drm/i915/Makefile @@ -53,6 +53,7 @@ i915-y += i915_drv.o \ intel_pm.o \ intel_runtime_pm.o \ intel_sideband.o \ + intel_step.o \ intel_uncore.o \ intel_wakeref.o \ vlv_suspend.o diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c index 63956330d9f3..0cc4077cda94 100644 --- a/drivers/gpu/drm/i915/gt/intel_workarounds.c +++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c @@ -52,45 +52,6 @@ * - Public functions to init or apply the given workaround type. */ -/* - * 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 }, -}; - static void wa_init_start(struct i915_wa_list *wal, const char *name, const char *engine_name) { wal->name = name; diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 0d228b663608..e760108ce72a 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -86,9 +86,10 @@ #include "gt/uc/intel_uc.h" #include "intel_device_info.h" +#include "intel_memory_region.h" #include "intel_pch.h" #include "intel_runtime_pm.h" -#include "intel_memory_region.h" +#include "intel_step.h" #include "intel_uncore.h" #include "intel_wakeref.h" #include "intel_wopcm.h" @@ -1518,14 +1519,6 @@ enum { KBL_REVID_G0, }; -struct i915_rev_steppings { - u8 gt_stepping; - u8 disp_stepping; -}; - -/* Defined in intel_workarounds.c */ -extern const struct i915_rev_steppings kbl_revids[]; - #define IS_KBL_GT_REVID(dev_priv, since, until) \ (IS_KABYLAKE(dev_priv) && \ kbl_revids[INTEL_REVID(dev_priv)].gt_stepping >= since && \ @@ -1574,14 +1567,6 @@ enum { STEP_D0, }; -#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]; - static inline const struct i915_rev_steppings * tgl_stepping_get(struct drm_i915_private *dev_priv) { diff --git a/drivers/gpu/drm/i915/intel_step.c b/drivers/gpu/drm/i915/intel_step.c new file mode 100644 index 000000000000..e19820cbe8e3 --- /dev/null +++ b/drivers/gpu/drm/i915/intel_step.c @@ -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 }, +}; diff --git a/drivers/gpu/drm/i915/intel_step.h b/drivers/gpu/drm/i915/intel_step.h new file mode 100644 index 000000000000..af922ae3bb4e --- /dev/null +++ b/drivers/gpu/drm/i915/intel_step.h @@ -0,0 +1,25 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2020,2021 Intel Corporation + */ + +#ifndef __INTEL_STEP_H__ +#define __INTEL_STEP_H__ + +#include <linux/types.h> + +struct i915_rev_steppings { + u8 gt_stepping; + 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 kbl_revids[]; +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]; + +#endif /* __INTEL_STEP_H__ */

[3/8,SRU,H] drm/i915: split out stepping info to a new file

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