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[112.119.120.34]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-39b260fdf9asm10501790a91.9.2026.09.05.07.25.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 05 Sep 2026 07:25:40 -0700 (PDT) From: Andrew Zhou To: Jani Nikula , Rodrigo Vivi , Matthew Brost , =?UTF-8?q?Thomas=20Hellstr=C3=B6m?= Cc: intel-xe@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, Andrew Zhou Subject: [PATCH] drm/xe/display: Remove invalid initial plane PTE check for iGPU Date: Sat, 5 Sep 2026 22:25:00 +0800 Message-ID: <20260905142500.17666-1-zhoulol888@gmail.com> X-Mailer: git-send-email 2.55.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Pantherlake intergrated graphics can have the XE_GGTT_PTEDM bit set in the BIOS-initialised framebuffer PTE. The new validation rejects this and fails to create the initial frambuffer, resulting in static. Remove the too-strict validation. Signed-off-by: Andrew Zhou Tested-by: Andrew Zhou Tested-on: Intel Core Ultra X7 358H, integrated graphics, B0 stepping --- drivers/gpu/drm/xe/display/xe_initial_plane.c | 8 -------- 1 file changed, 8 deletions(-) diff --git a/drivers/gpu/drm/xe/display/xe_initial_plane.c b/drivers/gpu/drm/xe/display/xe_initial_plane.c index 0f86b7303..8c95dc4e6 100644 --- a/drivers/gpu/drm/xe/display/xe_initial_plane.c +++ b/drivers/gpu/drm/xe/display/xe_initial_plane.c @@ -85,7 +85,6 @@ initial_plane_bo(struct xe_device *xe, &phys_base); } else { struct ttm_resource_manager *stolen; - u64 pte; stolen = ttm_manager_type(&xe->ttm, XE_PL_STOLEN); if (!stolen) { @@ -93,13 +92,6 @@ initial_plane_bo(struct xe_device *xe, return NULL; } - pte = xe_ggtt_read_pte(tile0->mem.ggtt, base); - - if (is_pte_local(pte) != need_pte_local(xe)) { - drm_err(&xe->drm, "Initial plane PTE has bad local memory bit\n"); - return NULL; - } - phys_base = base; flags |= XE_BO_FLAG_STOLEN; -- 2.55.0