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Commit 45102864 authored by Lucas De Marchi's avatar Lucas De Marchi Committed by Rodrigo Vivi
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drm/xe/pat: Prefer the arch/IP names 

Both DG2 and PVC are derived from XeHP, but DG2 should not really
re-use something introduced by PVC, so it's odd to have DG2 re-using the
PVC programming for PAT. Let's prefer using the architecture and/or IP
names.
Reviewed-by: default avatarMatt Roper <matthew.d.roper@intel.com>
Link: https://lore.kernel.org/r/20230927193902.2849159-8-lucas.demarchi@intel.comSigned-off-by: default avatarLucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: default avatarRodrigo Vivi <rodrigo.vivi@intel.com>
parent 194bdb85
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Showing with 56 additions and 56 deletions
drivers/gpu/drm/xe/xe_pat.c
View file @ 45102864
......@@ -14,57 +14,57 @@
0x4800, 0x4804, \
0x4848, 0x484c)
#define MTL_L4_POLICY_MASK REG_GENMASK(3, 2)
#define MTL_PAT_3_UC REG_FIELD_PREP(MTL_L4_POLICY_MASK, 3)
#define MTL_PAT_1_WT REG_FIELD_PREP(MTL_L4_POLICY_MASK, 1)
#define MTL_PAT_0_WB REG_FIELD_PREP(MTL_L4_POLICY_MASK, 0)
#define MTL_INDEX_COH_MODE_MASK REG_GENMASK(1, 0)
#define MTL_3_COH_2W REG_FIELD_PREP(MTL_INDEX_COH_MODE_MASK, 3)
#define MTL_2_COH_1W REG_FIELD_PREP(MTL_INDEX_COH_MODE_MASK, 2)
#define MTL_0_COH_NON REG_FIELD_PREP(MTL_INDEX_COH_MODE_MASK, 0)
#define PVC_CLOS_LEVEL_MASK REG_GENMASK(3, 2)
#define PVC_PAT_CLOS(x) REG_FIELD_PREP(PVC_CLOS_LEVEL_MASK, x)
#define TGL_MEM_TYPE_MASK REG_GENMASK(1, 0)
#define TGL_PAT_WB REG_FIELD_PREP(TGL_MEM_TYPE_MASK, 3)
#define TGL_PAT_WT REG_FIELD_PREP(TGL_MEM_TYPE_MASK, 2)
#define TGL_PAT_WC REG_FIELD_PREP(TGL_MEM_TYPE_MASK, 1)
#define TGL_PAT_UC REG_FIELD_PREP(TGL_MEM_TYPE_MASK, 0)
#define XELPG_L4_POLICY_MASK REG_GENMASK(3, 2)
#define XELPG_PAT_3_UC REG_FIELD_PREP(XELPG_L4_POLICY_MASK, 3)
#define XELPG_PAT_1_WT REG_FIELD_PREP(XELPG_L4_POLICY_MASK, 1)
#define XELPG_PAT_0_WB REG_FIELD_PREP(XELPG_L4_POLICY_MASK, 0)
#define XELPG_INDEX_COH_MODE_MASK REG_GENMASK(1, 0)
#define XELPG_3_COH_2W REG_FIELD_PREP(XELPG_INDEX_COH_MODE_MASK, 3)
#define XELPG_2_COH_1W REG_FIELD_PREP(XELPG_INDEX_COH_MODE_MASK, 2)
#define XELPG_0_COH_NON REG_FIELD_PREP(XELPG_INDEX_COH_MODE_MASK, 0)
#define XEHPC_CLOS_LEVEL_MASK REG_GENMASK(3, 2)
#define XEHPC_PAT_CLOS(x) REG_FIELD_PREP(XEHPC_CLOS_LEVEL_MASK, x)
#define XELP_MEM_TYPE_MASK REG_GENMASK(1, 0)
#define XELP_PAT_WB REG_FIELD_PREP(XELP_MEM_TYPE_MASK, 3)
#define XELP_PAT_WT REG_FIELD_PREP(XELP_MEM_TYPE_MASK, 2)
#define XELP_PAT_WC REG_FIELD_PREP(XELP_MEM_TYPE_MASK, 1)
#define XELP_PAT_UC REG_FIELD_PREP(XELP_MEM_TYPE_MASK, 0)
struct xe_pat_ops {
void (*program_graphics)(struct xe_gt *gt, const u32 table[], int n_entries);
void (*program_media)(struct xe_gt *gt, const u32 table[], int n_entries);
};
static const u32 tgl_pat_table[] = {
[0] = TGL_PAT_WB,
[1] = TGL_PAT_WC,
[2] = TGL_PAT_WT,
[3] = TGL_PAT_UC,
[4] = TGL_PAT_WB,
[5] = TGL_PAT_WB,
[6] = TGL_PAT_WB,
[7] = TGL_PAT_WB,
static const u32 xelp_pat_table[] = {
[0] = XELP_PAT_WB,
[1] = XELP_PAT_WC,
[2] = XELP_PAT_WT,
[3] = XELP_PAT_UC,
[4] = XELP_PAT_WB,
[5] = XELP_PAT_WB,
[6] = XELP_PAT_WB,
[7] = XELP_PAT_WB,
};
static const u32 pvc_pat_table[] = {
[0] = TGL_PAT_UC,
[1] = TGL_PAT_WC,
[2] = TGL_PAT_WT,
[3] = TGL_PAT_WB,
[4] = PVC_PAT_CLOS(1) | TGL_PAT_WT,
[5] = PVC_PAT_CLOS(1) | TGL_PAT_WB,
[6] = PVC_PAT_CLOS(2) | TGL_PAT_WT,
[7] = PVC_PAT_CLOS(2) | TGL_PAT_WB,
static const u32 xehpc_pat_table[] = {
[0] = XELP_PAT_UC,
[1] = XELP_PAT_WC,
[2] = XELP_PAT_WT,
[3] = XELP_PAT_WB,
[4] = XEHPC_PAT_CLOS(1) | XELP_PAT_WT,
[5] = XEHPC_PAT_CLOS(1) | XELP_PAT_WB,
[6] = XEHPC_PAT_CLOS(2) | XELP_PAT_WT,
[7] = XEHPC_PAT_CLOS(2) | XELP_PAT_WB,
};
static const u32 mtl_pat_table[] = {
[0] = MTL_PAT_0_WB,
[1] = MTL_PAT_1_WT,
[2] = MTL_PAT_3_UC,
[3] = MTL_PAT_0_WB | MTL_2_COH_1W,
[4] = MTL_PAT_0_WB | MTL_3_COH_2W,
static const u32 xelpg_pat_table[] = {
[0] = XELPG_PAT_0_WB,
[1] = XELPG_PAT_1_WT,
[2] = XELPG_PAT_3_UC,
[3] = XELPG_PAT_0_WB | XELPG_2_COH_1W,
[4] = XELPG_PAT_0_WB | XELPG_3_COH_2W,
};
static void program_pat(struct xe_gt *gt, const u32 table[], int n_entries)
......@@ -85,11 +85,11 @@ static void program_pat_mcr(struct xe_gt *gt, const u32 table[], int n_entries)
}
}
static const struct xe_pat_ops tgl_pat_ops = {
static const struct xe_pat_ops xelp_pat_ops = {
.program_graphics = program_pat,
};
static const struct xe_pat_ops dg2_pat_ops = {
static const struct xe_pat_ops xehp_pat_ops = {
.program_graphics = program_pat_mcr,
};
......@@ -97,7 +97,7 @@ static const struct xe_pat_ops dg2_pat_ops = {
* SAMedia register offsets are adjusted by the write methods and they target
* registers that are not MCR, while for normal GT they are MCR
*/
static const struct xe_pat_ops mtl_pat_ops = {
static const struct xe_pat_ops xelpg_pat_ops = {
.program_graphics = program_pat,
.program_media = program_pat_mcr,
};
......@@ -105,25 +105,25 @@ static const struct xe_pat_ops mtl_pat_ops = {
void xe_pat_init_early(struct xe_device *xe)
{
if (xe->info.platform == XE_METEORLAKE) {
xe->pat.ops = &mtl_pat_ops;
xe->pat.table = mtl_pat_table;
xe->pat.n_entries = ARRAY_SIZE(mtl_pat_table);
xe->pat.ops = &xelpg_pat_ops;
xe->pat.table = xelpg_pat_table;
xe->pat.n_entries = ARRAY_SIZE(xelpg_pat_table);
} else if (xe->info.platform == XE_PVC) {
xe->pat.ops = &dg2_pat_ops;
xe->pat.table = pvc_pat_table;
xe->pat.n_entries = ARRAY_SIZE(pvc_pat_table);
xe->pat.ops = &xehp_pat_ops;
xe->pat.table = xehpc_pat_table;
xe->pat.n_entries = ARRAY_SIZE(xehpc_pat_table);
} else if (xe->info.platform == XE_DG2) {
/*
* Table is the same as previous platforms, but programming
* method has changed.
*/
xe->pat.ops = &dg2_pat_ops;
xe->pat.table = tgl_pat_table;
xe->pat.n_entries = ARRAY_SIZE(tgl_pat_table);
xe->pat.ops = &xehp_pat_ops;
xe->pat.table = xelp_pat_table;
xe->pat.n_entries = ARRAY_SIZE(xelp_pat_table);
} else if (GRAPHICS_VERx100(xe) <= 1210) {
xe->pat.ops = &tgl_pat_ops;
xe->pat.table = tgl_pat_table;
xe->pat.n_entries = ARRAY_SIZE(tgl_pat_table);
xe->pat.ops = &xelp_pat_ops;
xe->pat.table = xelp_pat_table;
xe->pat.n_entries = ARRAY_SIZE(xelp_pat_table);
} else {
/*
* Going forward we expect to need new PAT settings for most
......
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