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drm/xe/pat: Extract gt_pta_entry()

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Avoid code duplication by extracting the logic for selection of the
correct PAT_PTA entry for a GT into function gt_pta_entry() and using
that function whenever necessary.

Reviewed-by: Dnyaneshwar Bhadane <dnyaneshwar.bhadane@intel.com>
Link: https://patch.msgid.link/20260303-pat-gt_pta_entry-v1-1-0dee8e1e7bd9@intel.com
Signed-off-by: Gustavo Sousa <gustavo.sousa@intel.com>
This commit is contained in:
Gustavo Sousa
2026-03-03 17:46:17 -03:00
parent f7093ebf61
commit 07d40fb889
1 changed files with 23 additions and 10 deletions
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33
drivers/gpu/drm/xe/xe_pat.c
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@@ -311,10 +311,25 @@ u16 xe_pat_index_get_l3_policy(struct xe_device *xe, u16 pat_index)
return REG_FIELD_GET(XE2_L3_POLICY, xe->pat.table[pat_index].value);
}
static const struct xe_pat_table_entry *gt_pta_entry(struct xe_gt *gt)
{
struct xe_device *xe = gt_to_xe(gt);
if (xe_gt_is_main_type(gt))
return xe->pat.pat_primary_pta;
if (xe_gt_is_media_type(gt))
return xe->pat.pat_media_pta;
xe_assert(xe, false);
return NULL;
}
static void program_pat(struct xe_gt *gt, const struct xe_pat_table_entry table[],
int n_entries)
{
struct xe_device *xe = gt_to_xe(gt);
const struct xe_pat_table_entry *pta_entry = gt_pta_entry(gt);
for (int i = 0; i < n_entries; i++) {
struct xe_reg reg = XE_REG(_PAT_INDEX(i));
@@ -324,16 +339,16 @@ static void program_pat(struct xe_gt *gt, const struct xe_pat_table_entry table[
if (xe->pat.pat_ats)
xe_mmio_write32(&gt->mmio, XE_REG(_PAT_ATS), xe->pat.pat_ats->value);
if (xe->pat.pat_primary_pta && xe_gt_is_main_type(gt))
xe_mmio_write32(&gt->mmio, XE_REG(_PAT_PTA), xe->pat.pat_primary_pta->value);
if (xe->pat.pat_media_pta && xe_gt_is_media_type(gt))
xe_mmio_write32(&gt->mmio, XE_REG(_PAT_PTA), xe->pat.pat_media_pta->value);
if (pta_entry)
xe_mmio_write32(&gt->mmio, XE_REG(_PAT_PTA), pta_entry->value);
}
static void program_pat_mcr(struct xe_gt *gt, const struct xe_pat_table_entry table[],
int n_entries)
{
struct xe_device *xe = gt_to_xe(gt);
const struct xe_pat_table_entry *pta_entry = gt_pta_entry(gt);
for (int i = 0; i < n_entries; i++) {
struct xe_reg_mcr reg_mcr = XE_REG_MCR(_PAT_INDEX(i));
@@ -343,10 +358,9 @@ static void program_pat_mcr(struct xe_gt *gt, const struct xe_pat_table_entry ta
if (xe->pat.pat_ats)
xe_gt_mcr_multicast_write(gt, XE_REG_MCR(_PAT_ATS), xe->pat.pat_ats->value);
if (xe->pat.pat_primary_pta && xe_gt_is_main_type(gt))
xe_gt_mcr_multicast_write(gt, XE_REG_MCR(_PAT_PTA), xe->pat.pat_primary_pta->value);
if (xe->pat.pat_media_pta && xe_gt_is_media_type(gt))
xe_gt_mcr_multicast_write(gt, XE_REG_MCR(_PAT_PTA), xe->pat.pat_media_pta->value);
if (pta_entry)
xe_gt_mcr_multicast_write(gt, XE_REG_MCR(_PAT_PTA), pta_entry->value);
}
static int xelp_dump(struct xe_gt *gt, struct drm_printer *p)
@@ -677,8 +691,7 @@ int xe_pat_dump(struct xe_gt *gt, struct drm_printer *p)
int xe_pat_dump_sw_config(struct xe_gt *gt, struct drm_printer *p)
{
struct xe_device *xe = gt_to_xe(gt);
const struct xe_pat_table_entry *pta_entry = xe_gt_is_main_type(gt) ?
xe->pat.pat_primary_pta : xe->pat.pat_media_pta;
const struct xe_pat_table_entry *pta_entry = gt_pta_entry(gt);
char label[PAT_LABEL_LEN];
if (!xe->pat.table || !xe->pat.n_entries)