diff options
Diffstat (limited to 'drivers/gpu/drm/xe/xe_reg_whitelist.c')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_reg_whitelist.c | 65 |
1 files changed, 62 insertions, 3 deletions
diff --git a/drivers/gpu/drm/xe/xe_reg_whitelist.c b/drivers/gpu/drm/xe/xe_reg_whitelist.c index 3fa2ece7d228..23f6c81d9994 100644 --- a/drivers/gpu/drm/xe/xe_reg_whitelist.c +++ b/drivers/gpu/drm/xe/xe_reg_whitelist.c @@ -7,9 +7,12 @@ #include "regs/xe_engine_regs.h" #include "regs/xe_gt_regs.h" +#include "regs/xe_oa_regs.h" #include "regs/xe_regs.h" #include "xe_gt_types.h" +#include "xe_gt_printk.h" #include "xe_platform_types.h" +#include "xe_reg_sr.h" #include "xe_rtp.h" #include "xe_step.h" @@ -63,10 +66,64 @@ static const struct xe_rtp_entry_sr register_whitelist[] = { ENGINE_CLASS(RENDER)), XE_RTP_ACTIONS(WHITELIST(CSBE_DEBUG_STATUS(RENDER_RING_BASE), 0)) }, - - {} + { XE_RTP_NAME("oa_reg_render"), + XE_RTP_RULES(GRAPHICS_VERSION_RANGE(1200, XE_RTP_END_VERSION_UNDEFINED), + ENGINE_CLASS(RENDER)), + XE_RTP_ACTIONS(WHITELIST(OAG_MMIOTRIGGER, + RING_FORCE_TO_NONPRIV_ACCESS_RW), + WHITELIST(OAG_OASTATUS, + RING_FORCE_TO_NONPRIV_ACCESS_RD), + WHITELIST(OAG_OAHEADPTR, + RING_FORCE_TO_NONPRIV_ACCESS_RD | + RING_FORCE_TO_NONPRIV_RANGE_4)) + }, + { XE_RTP_NAME("oa_reg_compute"), + XE_RTP_RULES(GRAPHICS_VERSION_RANGE(1200, XE_RTP_END_VERSION_UNDEFINED), + ENGINE_CLASS(COMPUTE)), + XE_RTP_ACTIONS(WHITELIST(OAG_MMIOTRIGGER, + RING_FORCE_TO_NONPRIV_ACCESS_RW), + WHITELIST(OAG_OASTATUS, + RING_FORCE_TO_NONPRIV_ACCESS_RD), + WHITELIST(OAG_OAHEADPTR, + RING_FORCE_TO_NONPRIV_ACCESS_RD | + RING_FORCE_TO_NONPRIV_RANGE_4)) + }, }; +static void whitelist_apply_to_hwe(struct xe_hw_engine *hwe) +{ + struct xe_reg_sr *sr = &hwe->reg_whitelist; + struct xe_reg_sr_entry *entry; + struct drm_printer p; + unsigned long reg; + unsigned int slot; + + xe_gt_dbg(hwe->gt, "Add %s whitelist to engine\n", sr->name); + p = xe_gt_dbg_printer(hwe->gt); + + slot = 0; + xa_for_each(&sr->xa, reg, entry) { + struct xe_reg_sr_entry hwe_entry = { + .reg = RING_FORCE_TO_NONPRIV(hwe->mmio_base, slot), + .set_bits = entry->reg.addr | entry->set_bits, + .clr_bits = ~0u, + .read_mask = entry->read_mask, + }; + + if (slot == RING_MAX_NONPRIV_SLOTS) { + xe_gt_err(hwe->gt, + "hwe %s: maximum register whitelist slots (%d) reached, refusing to add more\n", + hwe->name, RING_MAX_NONPRIV_SLOTS); + break; + } + + xe_reg_whitelist_print_entry(&p, 0, reg, entry); + xe_reg_sr_add(&hwe->reg_sr, &hwe_entry, hwe->gt); + + slot++; + } +} + /** * xe_reg_whitelist_process_engine - process table of registers to whitelist * @hwe: engine instance to process whitelist for @@ -79,7 +136,9 @@ void xe_reg_whitelist_process_engine(struct xe_hw_engine *hwe) { struct xe_rtp_process_ctx ctx = XE_RTP_PROCESS_CTX_INITIALIZER(hwe); - xe_rtp_process_to_sr(&ctx, register_whitelist, &hwe->reg_whitelist); + xe_rtp_process_to_sr(&ctx, register_whitelist, ARRAY_SIZE(register_whitelist), + &hwe->reg_whitelist); + whitelist_apply_to_hwe(hwe); } /** |