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 66C9D30BF68; Wed, 20 May 2026 17:26:44 +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=1779298005; cv=none; b=dcjqKrm6O3CwPfWgS0fEuImnhzsRsqtqx7dvS1FnPkCc3oFrixea0egl3piA0kRq+hP/pzsBoq7PGK2SLh4/lUTggz+jKyPVihkJt6REN6tvl3CBEZSCekPm5qh1yJEBgn5aTl76c8/aN8ZcfSRKK/uIsIHt5x0rTtIY4UZJBn0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779298005; c=relaxed/simple; bh=Jztbxz5Qxz+J+HSHVXZVju6c2b7hLhFne9dEdRsITrQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=pZgjwxOyFgCMfDecAdh39sl4/dmUfbGkP8Mg/7DDNLjEgTLigDjQlyInNrZskGEz3j7t69Os8dtL32xgGkYXUg8AXht4joW/RJJnm8O3cr89aUm9HzYwmRJT6KcwFZSkONkAUzA6VvvebVUbgU1kc4QF8KBI9spOr2LJDqK6UDI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=CuWTH/Jc; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="CuWTH/Jc" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C777E1F00898; Wed, 20 May 2026 17:26:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1779298004; bh=FwvVikEE/Tk01e3JRR7cImJgoG+KEA9xDoHnPxBssaQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=CuWTH/JcuwD8y3C6Bct+06sd1WwuUE7n7pyn3TnpUXGFeMDfHb5NPoUN4Rj5z6CGL GLOKx1h866UwzEcijHugXO89hqZCl8MxzDAu73/405dC0IZk0r8dpkggMZkuz5qQtg bTNj1JnaEHcNGONtyJcF8qv4cAISDZz3uO2qdGQM= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Pengyu Luo , Dmitry Baryshkov , Sasha Levin Subject: [PATCH 6.18 245/957] drm/msm/dsi: fix bits_per_pclk Date: Wed, 20 May 2026 18:12:08 +0200 Message-ID: <20260520162139.857966674@linuxfoundation.org> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260520162134.554764788@linuxfoundation.org> References: <20260520162134.554764788@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Pengyu Luo [ Upstream commit 2d51cfb77daa30b10bc68c403f8ace35783d2922 ] mipi_dsi_pixel_format_to_bpp return dst bpp not src bpp, dst bpp may not be the uncompressed data size. use src bpc * 3 to get src bpp, this aligns with pclk rate calculation. Fixes: ac47870fd795 ("drm/msm/dsi: fix hdisplay calculation when programming dsi registers") Signed-off-by: Pengyu Luo Patchwork: https://patchwork.freedesktop.org/patch/709916/ Link: https://lore.kernel.org/r/20260307111250.105772-1-mitltlatltl@gmail.com Signed-off-by: Dmitry Baryshkov Signed-off-by: Sasha Levin --- drivers/gpu/drm/msm/dsi/dsi_host.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c index 6cb634590e7a7..3efcc3f6c381c 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_host.c +++ b/drivers/gpu/drm/msm/dsi/dsi_host.c @@ -1048,7 +1048,7 @@ static void dsi_timing_setup(struct msm_dsi_host *msm_host, bool is_bonded_dsi) */ h_total -= hdisplay; if (wide_bus_enabled) - bits_per_pclk = mipi_dsi_pixel_format_to_bpp(msm_host->format); + bits_per_pclk = dsc->bits_per_component * 3; else bits_per_pclk = 24; -- 2.53.0