linux-kernel - [PATCH AUTOSEL 5.4 037/175] MIPS: Loongson: Build ATI Radeon GPU driver as module

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Message-Id: <20200608231848.3366970-37-sashal@kernel.org>
Date:   Mon,  8 Jun 2020 19:16:30 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Tiezhu Yang <yangtiezhu@...ngson.cn>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Sasha Levin <sashal@...nel.org>, linux-mips@...r.kernel.org
Subject: [PATCH AUTOSEL 5.4 037/175] MIPS: Loongson: Build ATI Radeon GPU driver as module

From: Tiezhu Yang <yangtiezhu@...ngson.cn>

[ Upstream commit a44de7497f91834df0b8b6d459e259788ba66794 ]

When ATI Radeon GPU driver has been compiled directly into the kernel
instead of as a module, we should make sure the firmware for the model
(check available ones in /lib/firmware/radeon) is built-in to the kernel
as well, otherwise there exists the following fatal error during GPU init,
change CONFIG_DRM_RADEON=y to CONFIG_DRM_RADEON=m to fix it.

[    1.900997] [drm] Loading RS780 Microcode
[    1.905077] radeon 0000:01:05.0: Direct firmware load for radeon/RS780_pfp.bin failed with error -2
[    1.914140] r600_cp: Failed to load firmware "radeon/RS780_pfp.bin"
[    1.920405] [drm:r600_init] *ERROR* Failed to load firmware!
[    1.926069] radeon 0000:01:05.0: Fatal error during GPU init
[    1.931729] [drm] radeon: finishing device.

Fixes: 024e6a8b5bb1 ("MIPS: Loongson: Add a Loongson-3 default config file")
Signed-off-by: Tiezhu Yang <yangtiezhu@...ngson.cn>
Signed-off-by: Thomas Bogendoerfer <tsbogend@...ha.franken.de>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 arch/mips/configs/loongson3_defconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/mips/configs/loongson3_defconfig b/arch/mips/configs/loongson3_defconfig
index 90ee0084d786..e41f4841cb4d 100644
--- a/arch/mips/configs/loongson3_defconfig
+++ b/arch/mips/configs/loongson3_defconfig
@@ -231,7 +231,7 @@ CONFIG_MEDIA_CAMERA_SUPPORT=y
 CONFIG_MEDIA_USB_SUPPORT=y
 CONFIG_USB_VIDEO_CLASS=m
 CONFIG_DRM=y
-CONFIG_DRM_RADEON=y
+CONFIG_DRM_RADEON=m
 CONFIG_FB_RADEON=y
 CONFIG_LCD_CLASS_DEVICE=y
 CONFIG_LCD_PLATFORM=m
-- 
2.25.1