Commit 6ffef7b6 authored Nov 06, 2023 by Gustavo Sousa Committed by Rodrigo Vivi Dec 21, 2023

drm/xe/xelpmp: Add Wa_16021867713



This workaround applies to all steppings of Xe_LPM+. Implement the KMD
part.

Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://lore.kernel.org/r/20231106210655.175109-3-gustavo.sousa@intel.com


Signed-off-by: Gustavo Sousa <gustavo.sousa@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

parent 670e811d

drivers/gpu/drm/xe/regs/xe_engine_regs.h

+3 −0

Original line number	Diff line number	Diff line
		@@ -118,4 +118,7 @@
		#define VDBOX_CGCTL3F18(base) XE_REG((base) + 0x3f18)
		#define ALNUNIT_CLKGATE_DIS REG_BIT(13)

		#define VDBOX_CGCTL3F1C(base) XE_REG((base) + 0x3f1c)
		#define MFXPIPE_CLKGATE_DIS REG_BIT(3)

		#endif

drivers/gpu/drm/xe/xe_wa.c

+6 −0

Original line number	Diff line number	Diff line
		@@ -248,6 +248,12 @@ static const struct xe_rtp_entry_sr gt_was[] = {

		/* Xe_LPM+ */

		{ XE_RTP_NAME("16021867713"),
		XE_RTP_RULES(MEDIA_VERSION(1300),
		ENGINE_CLASS(VIDEO_DECODE)),
		XE_RTP_ACTIONS(SET(VDBOX_CGCTL3F1C(0), MFXPIPE_CLKGATE_DIS)),
		XE_RTP_ENTRY_FLAG(FOREACH_ENGINE),
		},
		{ XE_RTP_NAME("22016670082"),
		XE_RTP_RULES(MEDIA_VERSION(1300)),
		XE_RTP_ACTIONS(SET(XELPMP_SQCNT1, ENFORCE_RAR))