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 06138176FAD; Sun, 24 Mar 2024 23:37:42 +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=1711323463; cv=none; b=cfCGxa2x+KNpHoiGaRk5+ME6HXQYPySaqULE5J/LYwOweG1lB13brXEeQSugkmekAbRWmC0x4Vv9ayJfsMZEILkSIPTunk0mm2CuzsTjoZeK6MZXK/Zx7EBJ2/ddJ5k0Gz9EaxKZOJG3aj05ElW7p4JYW+tS0EozXVEmWlKxUfs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711323463; c=relaxed/simple; bh=hHsHjQUDMUNwTrq8KfLKMh80GfvG17A8FJ8f8Y0O8Us=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=uMvx/PvDjbCmU+ag/kXKaW/BsJ63kuBf3vUWspoI7Zngcu0MVwHw3OxPhYHAkVPekLkEOj07IyuqQFEmj1MzXmjRLhfo3iHEyOIugbMLgj6sm/SYY5iRfEM5rXNR4a1yAmvsZ4nPZwUCh+KLO2yX3Ss09uJRC36Qm+Hz4m7SkTg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=TDpsiTKn; 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="TDpsiTKn" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 30AFAC433C7; Sun, 24 Mar 2024 23:37:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1711323461; bh=hHsHjQUDMUNwTrq8KfLKMh80GfvG17A8FJ8f8Y0O8Us=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=TDpsiTKnjYvV2WB500cdQs5pTvCCsOA6lxfsLx3DU8a/3k/4QxO6dwUytSCmExSRB ICF3kPx/JA2vTzMwsUU3fY9D45Zg33hS7PbpT8nC+eAuPn46ftTNU9pKdLT0MbI2Ac hj14YZVTkkvM+Syl+0Ax+Vg1rikxoaiV5LH8MhyjlBnlNeWXbBl8YXLUDqPtL/rzJW GMPQo31ObrC/qJe3v5DbC5bKhsZWuvTyuztrgKlG/k7QNBpx2kgIwUiytO2QRsVyIt embSS6bH2porvpU/D1L02kEQOq1ObDrVw/vsDI6bzulOAyjnViH3mjJXtqmq9EcbSR G1nCFjeuK4rbA== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Alex Bee , Zheng Yang , Heiko Stuebner , Sasha Levin Subject: [PATCH 5.15 166/317] drm/rockchip: inno_hdmi: Fix video timing Date: Sun, 24 Mar 2024 19:32:26 -0400 Message-ID: <20240324233458.1352854-167-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240324233458.1352854-1-sashal@kernel.org> References: <20240324233458.1352854-1-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 Content-Transfer-Encoding: 8bit From: Alex Bee [ Upstream commit 47a145c03484d33e65d773169d5ca1b9fe2a492e ] The controller wants the difference between *total and *sync_start in the HDMI_VIDEO_EXT_*DELAY registers. Otherwise the signal is very unstable for certain non-VIC modes. See downstream commit [0]. [0] https://github.com/rockchip-linux/kernel/commit/8eb559f2502c Fixes: 412d4ae6b7a5 ("drm/rockchip: hdmi: add Innosilicon HDMI support") Co-developed-by: Zheng Yang Signed-off-by: Zheng Yang Signed-off-by: Alex Bee Signed-off-by: Heiko Stuebner Link: https://patchwork.freedesktop.org/patch/msgid/20231222174220.55249-4-knaerzche@gmail.com Signed-off-by: Sasha Levin --- drivers/gpu/drm/rockchip/inno_hdmi.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/rockchip/inno_hdmi.c b/drivers/gpu/drm/rockchip/inno_hdmi.c index 78120da5e63aa..27540d308ccb9 100644 --- a/drivers/gpu/drm/rockchip/inno_hdmi.c +++ b/drivers/gpu/drm/rockchip/inno_hdmi.c @@ -402,7 +402,7 @@ static int inno_hdmi_config_video_timing(struct inno_hdmi *hdmi, hdmi_writeb(hdmi, HDMI_VIDEO_EXT_HBLANK_L, value & 0xFF); hdmi_writeb(hdmi, HDMI_VIDEO_EXT_HBLANK_H, (value >> 8) & 0xFF); - value = mode->hsync_start - mode->hdisplay; + value = mode->htotal - mode->hsync_start; hdmi_writeb(hdmi, HDMI_VIDEO_EXT_HDELAY_L, value & 0xFF); hdmi_writeb(hdmi, HDMI_VIDEO_EXT_HDELAY_H, (value >> 8) & 0xFF); @@ -417,7 +417,7 @@ static int inno_hdmi_config_video_timing(struct inno_hdmi *hdmi, value = mode->vtotal - mode->vdisplay; hdmi_writeb(hdmi, HDMI_VIDEO_EXT_VBLANK, value & 0xFF); - value = mode->vsync_start - mode->vdisplay; + value = mode->vtotal - mode->vsync_start; hdmi_writeb(hdmi, HDMI_VIDEO_EXT_VDELAY, value & 0xFF); value = mode->vsync_end - mode->vsync_start; -- 2.43.0