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drm/xe/psmi: Add Wa_14020001231

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Enable Wa 14020001231 to block psmi interrupts during C6 entry exit
flow. It's only enabled if PSMI is enabled in runtime.

Signed-off-by: Badal Nilawar <badal.nilawar@intel.com>
Reviewed-by: Matt Atwood <matthew.s.atwood@intel.com>
Link: https://lore.kernel.org/r/20250821-psmi-v5-4-34ab7550d3d8@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
This commit is contained in:
Badal Nilawar
2025-08-21 09:17:59 -07:00
committed by Lucas De Marchi
parent d67b1dfad0
commit 29042df3ac
3 changed files with 9 additions and 0 deletions
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1
drivers/gpu/drm/xe/abi/guc_klvs_abi.h
View File

@@ -390,6 +390,7 @@ enum {
*/
enum xe_guc_klv_ids {
GUC_WORKAROUND_KLV_BLOCK_INTERRUPTS_WHEN_MGSR_BLOCKED = 0x9002,
GUC_WORKAROUND_KLV_DISABLE_PSMI_INTERRUPTS_AT_C6_ENTRY_RESTORE_AT_EXIT = 0x9004,
GUC_WORKAROUND_KLV_ID_GAM_PFQ_SHADOW_TAIL_POLLING = 0x9005,
GUC_WORKAROUND_KLV_ID_DISABLE_MTP_DURING_ASYNC_COMPUTE = 0x9007,
GUC_WA_KLV_NP_RD_WRITE_TO_CLEAR_RCSM_AT_CGP_LATE_RESTORE = 0x9008,

4
drivers/gpu/drm/xe/xe_guc_ads.c
View File

@@ -359,6 +359,10 @@ static void guc_waklv_init(struct xe_guc_ads *ads)
GUC_WA_KLV_RESTORE_UNSAVED_MEDIA_CONTROL_REG);
}
if (XE_GT_WA(gt, 14020001231))
guc_waklv_enable(ads, NULL, 0, &offset, &remain,
GUC_WORKAROUND_KLV_DISABLE_PSMI_INTERRUPTS_AT_C6_ENTRY_RESTORE_AT_EXIT);
size = guc_ads_waklv_size(ads) - remain;
if (!size)
return;

4
drivers/gpu/drm/xe/xe_wa_oob.rules
View File

@@ -68,6 +68,10 @@ no_media_l3 MEDIA_VERSION(3000)
MEDIA_VERSION_RANGE(1300, 3000)
MEDIA_VERSION(3002)
GRAPHICS_VERSION(3003)
14020001231 GRAPHICS_VERSION_RANGE(2001,2004), FUNC(xe_rtp_match_psmi_enabled)
MEDIA_VERSION(2000), FUNC(xe_rtp_match_psmi_enabled)
MEDIA_VERSION(3000), FUNC(xe_rtp_match_psmi_enabled)
MEDIA_VERSION(3002), FUNC(xe_rtp_match_psmi_enabled)
# SoC workaround - currently applies to all platforms with the following
# primary GT GMDID