From a409901f516cf5e25180d98a510708013b33b8ee Mon Sep 17 00:00:00 2001 From: Tejas Upadhyay Date: Mon, 20 Nov 2023 10:51:45 +0530 Subject: [PATCH] drm/xe/xe2: Add workaround 14020013138 This workaround applies to Xe2_LPG A0 V3: - Apply rule RENDER class V2(Matt): - Apply WA in lrc context Reviewed-by: Matt Roper Signed-off-by: Tejas Upadhyay Signed-off-by: Rodrigo Vivi --- drivers/gpu/drm/xe/regs/xe_gt_regs.h | 3 +++ drivers/gpu/drm/xe/xe_wa.c | 5 +++++ 2 files changed, 8 insertions(+) diff --git a/drivers/gpu/drm/xe/regs/xe_gt_regs.h b/drivers/gpu/drm/xe/regs/xe_gt_regs.h index 686930aba77e..18b13224480d 100644 --- a/drivers/gpu/drm/xe/regs/xe_gt_regs.h +++ b/drivers/gpu/drm/xe/regs/xe_gt_regs.h @@ -93,6 +93,9 @@ #define XEHP_TILE_ADDR_RANGE(_idx) XE_REG_MCR(0x4900 + (_idx) * 4) #define XEHP_FLAT_CCS_BASE_ADDR XE_REG_MCR(0x4910) +#define WM_CHICKEN3 XE_REG_MCR(0x5588, XE_REG_OPTION_MASKED) +#define HIZ_PLANE_COMPRESSION_DIS REG_BIT(10) + #define CHICKEN_RASTER_2 XE_REG_MCR(0x6208, XE_REG_OPTION_MASKED) #define TBIMR_FAST_CLIP REG_BIT(5) diff --git a/drivers/gpu/drm/xe/xe_wa.c b/drivers/gpu/drm/xe/xe_wa.c index e0853ab30c00..63bd4bb1af03 100644 --- a/drivers/gpu/drm/xe/xe_wa.c +++ b/drivers/gpu/drm/xe/xe_wa.c @@ -714,6 +714,11 @@ static const struct xe_rtp_entry_sr lrc_was[] = { XE_RTP_RULES(GRAPHICS_VERSION(2004), ENGINE_CLASS(RENDER)), XE_RTP_ACTIONS(SET(XEHP_PSS_CHICKEN, FD_END_COLLECT)) }, + { XE_RTP_NAME("14020013138"), + XE_RTP_RULES(GRAPHICS_VERSION(2004), GRAPHICS_STEP(A0, B0), + ENGINE_CLASS(RENDER)), + XE_RTP_ACTIONS(SET(WM_CHICKEN3, HIZ_PLANE_COMPRESSION_DIS)) + }, {} }; -- 2.25.1