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drm/xe/xe2lpm: Add permanent Wa_14020756599

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For xe2_lpm Wa_14020756599 is applied to all steppings and
when RCS is present on graphics GT.

V5(MattR):
  - Add more comments about new API
V4:
  - Make it part of lrc wa
  - Check for RCS as rtp rule
V3(MattR):
  - Rename rtp api name
  - Use MEDIA_VERx100
V2:
  - Remove engine filter video decode
  - Fix typo GRAPHICS/MEDIA/s - Himal

Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Tejas Upadhyay <tejas.upadhyay@intel.com>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240603104951.705603-2-tejas.upadhyay@intel.com
This commit is contained in:
Tejas Upadhyay 2024-06-03 16:19:50 +05:30 committed by Matthew Brost
parent 877517f2dc
commit 131328aa56
3 changed files with 27 additions and 0 deletions
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6
drivers/gpu/drm/xe/xe_rtp.c
View File

@ -323,3 +323,9 @@ bool xe_rtp_match_first_gslice_fused_off(const struct xe_gt *gt,
return dss >= dss_per_gslice;
}
bool xe_rtp_match_when_media2000(const struct xe_gt *gt,
const struct xe_hw_engine *hwe)
{
return (gt_to_xe(gt))->info.media_verx100 == 2000;
}

14
drivers/gpu/drm/xe/xe_rtp.h
View File

@ -427,4 +427,18 @@ bool xe_rtp_match_first_render_or_compute(const struct xe_gt *gt,
bool xe_rtp_match_first_gslice_fused_off(const struct xe_gt *gt,
const struct xe_hw_engine *hwe);
/*
* xe_rtp_match_when_media2000 - Match when media GT version 2000
*
* @gt: GT structure
* @hwe: Engine instance
*
* Its one of the case where we need to apply workaround on primary GT
* based on if media GT version 2000 is present. Thus this API will help
* us to match media version 2000.
*
* Returns: true if media GT version 2000, false otherwise.
*/
bool xe_rtp_match_when_media2000(const struct xe_gt *gt,
const struct xe_hw_engine *hwe);
#endif

7
drivers/gpu/drm/xe/xe_wa.c
View File

@ -701,6 +701,13 @@ static const struct xe_rtp_entry_sr lrc_was[] = {
DIS_AUTOSTRIP))
},
/* Xe2_LPM */
{ XE_RTP_NAME("14020756599"),
XE_RTP_RULES(ENGINE_CLASS(RENDER), FUNC(xe_rtp_match_when_media2000)),
XE_RTP_ACTIONS(SET(WM_CHICKEN3, HIZ_PLANE_COMPRESSION_DIS))
},
{}
};