From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 69CC44AA413 for ; Fri, 11 Sep 2026 17:42:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789148573; cv=none; b=oNqzYZVjyfmkJ+KI3J15OyjsTU8Rpg4XFdH6xmZ+SpaT7Vxpq6GtAXsIvz2YcGZW4ghp9g4Z6Z5I5PpG5GRw1NweP99jDokoyzEjBndUOTeYLr6RlQutBdCqRMRIkEr3XZa3Olf3yc79XAXwknRldqQClT5sldm1g7NUAhCVN0U= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789148573; c=relaxed/simple; bh=mhnhhQHH4HCzMCITNUkkHbajc5WlsU42xm2VIkHSFMw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=meaJZbIwN97INcO1duip2CTCfxZZiIuQe+jI9WaGn4Wq98Gsft+gI6AZY+DRXWUuzYyisPee2txXk1p1RAYYLfRkcsFwM1H+l7UPNE3LPcW6DeuuLDrW/9h41P0BiAvj4Ilr0OAqdUOlhssDTqi+lZTF4bYdKSDHrhjR9orXuwI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=k07tJGjD; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="k07tJGjD" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 668B21F000FF; Fri, 11 Sep 2026 17:42:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1789148572; bh=68vGRvPvQQ9Zh1f0ks3sR5aS/V0TgHVERiMGrBKPGhQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=k07tJGjD638ZEwgbsJqxKWX5FpYJHLnejKoAWnefMW8E85uSfoxmfxri9O/CnHwWH S8oMyw0WKstJVuK+7uL9HP2u/DIhCnrn6j+sOErhbE+DBRgAk52nOmG4tGXq4xnuWn TmDWZ90Znrt+bJD8KuY6N/ULq5DKGdmZ7UR8D3UC5SA9pn/Ieza13gL3LNyhvF2bxb vO7DisLB/MbMNe1igq1aPqx+GgcT6ubeWz7oltAm9aim6iMeCBscabCDEAYWg5UwEj 9iEVoY0v4uCiHqTpjWkU+V4e0W77ZcrVIUx/3jxiR1/VrsjDNs1vrCUxYgWoGs/daw rQubZL5iYrTAw== From: "Mario Limonciello (AMD)" To: stable@vger.kernel.org Cc: Roman Li , Mario Limonciello , Alex Deucher , Alex Hung , Dan Wheeler , Mario Limonciello Subject: [PATCH 6.18.y] drm/amd/display: Set gpuvm min page size to 4K on dcn35/36 Date: Fri, 11 Sep 2026 12:42:47 -0500 Message-ID: <20260911174247.2973758-1-superm1@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <2026090953-attire-untidy-c602@gregkh> References: <2026090953-attire-untidy-c602@gregkh> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Roman Li [WHY] Splash screen corruption on some 8K monitors. [HOW] Set GPUVM min page size to 4K for DCN35/36 to use the correct DML2 calculations, avoiding the corruption path observed during splash. Fixes: 115009d11ccf ("drm/amd/display: Add DCN35 DML2 support") Cc: Mario Limonciello Cc: Alex Deucher Reviewed-by: Alex Hung Signed-off-by: Roman Li Signed-off-by: Alex Hung Tested-by: Dan Wheeler Signed-off-by: Alex Deucher (cherry picked from commit 2cbfb03dead5088a7bdfe2ce392a5caa3d1b3719) Cc: stable@vger.kernel.org (cherry picked from commit 9ce3169430f1db035d491481086e2fae2552569c) Signed-off-by: Mario Limonciello --- drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c b/drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c index 3b866e876bf4d..9fea55fddded4 100644 --- a/drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c +++ b/drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c @@ -299,6 +299,7 @@ void dml2_init_socbb_params(struct dml2_context *dml2, const struct dc *in_dc, s out->smn_latency_us = 2; out->dispclk_dppclk_vco_speed_mhz = 3600; out->pct_ideal_dram_bw_after_urgent_pixel_only = 65.0; + out->gpuvm_min_page_size_kbytes = 4; break; case dml_project_dcn401: -- 2.53.0