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From: Tejas Upadhyay <tejas.upadhyay@intel.com>
To: intel-xe@lists.freedesktop.org
Cc: Matthew Auld <matthew.auld@intel.com>,
	Lucas De Marchi <lucas.demarchi@intel.com>,
	Tejas Upadhyay <tejas.upadhyay@intel.com>
Subject: [PATCH 1/2] drm/xe: Init MCR before any mcr register read
Date: Thu,  8 Aug 2024 14:58:25 +0530	[thread overview]
Message-ID: <20240808092826.585276-2-tejas.upadhyay@intel.com> (raw)
In-Reply-To: <20240808092826.585276-1-tejas.upadhyay@intel.com>

enable host l2 VRAM is example where MCR register is
getting read before fully MCR init is done. Lets move
enable host l2 VRAM after MCR init.

V1(Lucas):
 - Reorder patch and reorder flow of L2 VRAM enable

Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Tejas Upadhyay <tejas.upadhyay@intel.com>
---
 drivers/gpu/drm/xe/xe_gt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/xe/xe_gt.c b/drivers/gpu/drm/xe/xe_gt.c
index 58895ed22f6e..238c7d1053f0 100644
--- a/drivers/gpu/drm/xe/xe_gt.c
+++ b/drivers/gpu/drm/xe/xe_gt.c
@@ -557,7 +557,6 @@ int xe_gt_init_hwconfig(struct xe_gt *gt)
 
 	xe_gt_mcr_init_early(gt);
 	xe_pat_init(gt);
-	xe_gt_enable_host_l2_vram(gt);
 
 	err = xe_uc_init(&gt->uc);
 	if (err)
@@ -569,6 +568,7 @@ int xe_gt_init_hwconfig(struct xe_gt *gt)
 
 	xe_gt_topology_init(gt);
 	xe_gt_mcr_init(gt);
+	xe_gt_enable_host_l2_vram(gt);
 
 out_fw:
 	xe_force_wake_put(gt_to_fw(gt), XE_FW_GT);
-- 
2.25.1


  reply	other threads:[~2024-08-08  9:26 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-08-08  9:28 [PATCH 0/2] Shuffle enable_host_l2_vram order and use MCR reg Tejas Upadhyay
2024-08-08  9:28 ` Tejas Upadhyay [this message]
2024-08-08 19:51   ` [PATCH 1/2] drm/xe: Init MCR before any mcr register read Matt Roper
2024-08-09  8:55     ` Matthew Auld
2024-08-09  9:11       ` Upadhyay, Tejas
2024-08-09  9:21         ` Matthew Auld
2024-08-09 10:32           ` Upadhyay, Tejas
2024-08-14  6:15           ` Upadhyay, Tejas
2024-08-08  9:28 ` [PATCH 2/2] drm/xe: Write all slices if its mcr register Tejas Upadhyay
2024-08-08  9:46 ` ✓ CI.Patch_applied: success for Shuffle enable_host_l2_vram order and use MCR reg Patchwork
2024-08-08  9:46 ` ✓ CI.checkpatch: " Patchwork
2024-08-08  9:47 ` ✓ CI.KUnit: " Patchwork
2024-08-08  9:59 ` ✓ CI.Build: " Patchwork
2024-08-08 10:02 ` ✓ CI.Hooks: " Patchwork
2024-08-08 10:03 ` ✓ CI.checksparse: " Patchwork
2024-08-08 10:24 ` ✓ CI.BAT: " Patchwork
2024-08-08 13:23 ` ✓ CI.FULL: " Patchwork

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