From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 B12FA19D881; Tue, 16 Jul 2024 14:28:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721140135; cv=none; b=gbV0oTOVDCNclxsILpMo6lQP99Tk46kvnr2cwK21sXYzHZxWhTmKWERdLY4WBIAjO3hTOHPVrQiBVhBdeD5LKmSGq4U+4+U4oC/hE51wEWHKGTfcfPbBpPs0q3SMlAQEBLXdPpo+0p5/4LpBloNCOx3FeSTHZbAeLtk+T3tlLq4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721140135; c=relaxed/simple; bh=ipyoSvdkMMWvp706WqUhLLz4efx5sJGI4Iubz1y064g=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=HRJbsoPXl7jR0yppfif/qhiOFT3O7CG1rlQy9/XEFkQU8JEQG60G2bkE8qWyk8HLC/X/+FF3m0c6fc/bSURbmSkE4d2LR5Fgez159OG2iXwDB3FdLDBcKmjv7C0Y+tY4f/0EOUWgMuuK1dMabZWdnnBr5yYsL83PmNyJO2Q84Dg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=VPupiiXM; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="VPupiiXM" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3C847C4AF0D; Tue, 16 Jul 2024 14:28:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1721140135; bh=ipyoSvdkMMWvp706WqUhLLz4efx5sJGI4Iubz1y064g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VPupiiXMUkrIubyTisYkJ+1ErwnfLzl57fSSy1BW87TBNiv1DHvz3z986Y7m1eDEM C/VCPam8NbqkXfhxU2atOU4hqoyyVltRRIUw5U/VkR+vYuIaLzlotUQTW0xYfmkfe/ ojib2RlEsuwM8YEgWFzrSbomMRUGkT7ngdRfEA/JOSwsGEWiU0IU8uLVTPYv+Yf5uZ MPQIhsPxMmZU8LBW1xlWcpf0e4drcfP2zj410800N4dMh/Wsody1dB6BBWLwTpW1S9 s7GLrQb5Dx/BXw1fRynZJk3ouf5Egunehpfw9Jjj1iqrSk0x9BG1rcv+ajClFwX2Gd 6j1xhwtGJCkTQ== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Alvin Lee , Chaitanya Dhere , Nevenko Stupar , Jerry Zuo , Daniel Wheeler , Alex Deucher , Sasha Levin , harry.wentland@amd.com, sunpeng.li@amd.com, Rodrigo.Siqueira@amd.com, christian.koenig@amd.com, Xinhui.Pan@amd.com, airlied@gmail.com, daniel@ffwll.ch, jun.lei@amd.com, amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [PATCH AUTOSEL 6.1 10/15] drm/amd/display: Account for cursor prefetch BW in DML1 mode support Date: Tue, 16 Jul 2024 10:28:07 -0400 Message-ID: <20240716142825.2713416-10-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240716142825.2713416-1-sashal@kernel.org> References: <20240716142825.2713416-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 6.1.99 Content-Transfer-Encoding: 8bit From: Alvin Lee [ Upstream commit 074b3a886713f69d98d30bb348b1e4cb3ce52b22 ] [Description] We need to ensure to take into account cursor prefetch BW in mode support or we may pass ModeQuery but fail an actual flip which will cause a hang. Flip may fail because the cursor_pre_bw is populated during mode programming (and mode programming is never called prior to ModeQuery). Reviewed-by: Chaitanya Dhere Reviewed-by: Nevenko Stupar Signed-off-by: Jerry Zuo Signed-off-by: Alvin Lee Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_32.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_32.c b/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_32.c index cc8c1a48c5c4d..76df036fb2f34 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_32.c +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_32.c @@ -3338,6 +3338,9 @@ void dml32_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_l &mode_lib->vba.UrgentBurstFactorLumaPre[k], &mode_lib->vba.UrgentBurstFactorChromaPre[k], &mode_lib->vba.NotUrgentLatencyHidingPre[k]); + + v->cursor_bw_pre[k] = mode_lib->vba.NumberOfCursors[k] * mode_lib->vba.CursorWidth[k][0] * mode_lib->vba.CursorBPP[k][0] / + 8.0 / (mode_lib->vba.HTotal[k] / mode_lib->vba.PixelClock[k]) * v->VRatioPreY[i][j][k]; } { -- 2.43.0