diff options
Diffstat (limited to 'drivers/gpu/drm/xe/xe_pat.c')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_pat.c | 44 |
1 files changed, 21 insertions, 23 deletions
diff --git a/drivers/gpu/drm/xe/xe_pat.c b/drivers/gpu/drm/xe/xe_pat.c index 30fdbdb9341e..2e7cb99ae87a 100644 --- a/drivers/gpu/drm/xe/xe_pat.c +++ b/drivers/gpu/drm/xe/xe_pat.c @@ -103,7 +103,8 @@ static const struct xe_pat_table_entry xelpg_pat_table[] = { * * Note: There is an implicit assumption in the driver that compression and * coh_1way+ are mutually exclusive. If this is ever not true then userptr - * and imported dma-buf from external device will have uncleared ccs state. + * and imported dma-buf from external device will have uncleared ccs state. See + * also xe_bo_needs_ccs_pages(). */ #define XE2_PAT(no_promote, comp_en, l3clos, l3_policy, l4_policy, __coh_mode) \ { \ @@ -162,21 +163,35 @@ u16 xe_pat_index_get_coh_mode(struct xe_device *xe, u16 pat_index) 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); + for (int i = 0; i < n_entries; i++) { struct xe_reg reg = XE_REG(_PAT_INDEX(i)); xe_mmio_write32(>->mmio, reg, table[i].value); } + + if (xe->pat.pat_ats) + xe_mmio_write32(>->mmio, XE_REG(_PAT_ATS), xe->pat.pat_ats->value); + if (xe->pat.pat_pta) + xe_mmio_write32(>->mmio, XE_REG(_PAT_PTA), xe->pat.pat_pta->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); + for (int i = 0; i < n_entries; i++) { struct xe_reg_mcr reg_mcr = XE_REG_MCR(_PAT_INDEX(i)); xe_gt_mcr_multicast_write(gt, reg_mcr, table[i].value); } + + 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_pta) + xe_gt_mcr_multicast_write(gt, XE_REG_MCR(_PAT_PTA), xe->pat.pat_pta->value); } static void xelp_dump(struct xe_gt *gt, struct drm_printer *p) @@ -303,26 +318,6 @@ static const struct xe_pat_ops xelpg_pat_ops = { .dump = xelpg_dump, }; -static void xe2lpg_program_pat(struct xe_gt *gt, const struct xe_pat_table_entry table[], - int n_entries) -{ - program_pat_mcr(gt, table, n_entries); - xe_gt_mcr_multicast_write(gt, XE_REG_MCR(_PAT_ATS), xe2_pat_ats.value); - - if (IS_DGFX(gt_to_xe(gt))) - xe_gt_mcr_multicast_write(gt, XE_REG_MCR(_PAT_PTA), xe2_pat_pta.value); -} - -static void xe2lpm_program_pat(struct xe_gt *gt, const struct xe_pat_table_entry table[], - int n_entries) -{ - program_pat(gt, table, n_entries); - xe_mmio_write32(>->mmio, XE_REG(_PAT_ATS), xe2_pat_ats.value); - - if (IS_DGFX(gt_to_xe(gt))) - xe_mmio_write32(>->mmio, XE_REG(_PAT_PTA), xe2_pat_pta.value); -} - static void xe2_dump(struct xe_gt *gt, struct drm_printer *p) { struct xe_device *xe = gt_to_xe(gt); @@ -375,8 +370,8 @@ static void xe2_dump(struct xe_gt *gt, struct drm_printer *p) } static const struct xe_pat_ops xe2_pat_ops = { - .program_graphics = xe2lpg_program_pat, - .program_media = xe2lpm_program_pat, + .program_graphics = program_pat_mcr, + .program_media = program_pat, .dump = xe2_dump, }; @@ -385,6 +380,9 @@ void xe_pat_init_early(struct xe_device *xe) if (GRAPHICS_VER(xe) == 30 || GRAPHICS_VER(xe) == 20) { xe->pat.ops = &xe2_pat_ops; xe->pat.table = xe2_pat_table; + xe->pat.pat_ats = &xe2_pat_ats; + if (IS_DGFX(xe)) + xe->pat.pat_pta = &xe2_pat_pta; /* Wa_16023588340. XXX: Should use XE_WA */ if (GRAPHICS_VERx100(xe) == 2001) |