[PATCH] drm/mgag200: Set PCI option register in G200SE models

Thomas Zimmermann tzimmermann at suse.de
Tue Aug 4 06:51:58 UTC 2020


The initial value of the PCI option register got lost while refactoring
the driver init code. Restore the setting.

Signed-off-by: Thomas Zimmermann <tzimmermann at suse.de>
Reported-by: kernel test robot <lkp at intel.com>
Fixes: 2021708e0d6e ("drm/mgag200: Initialize PCI registers early during device setup")
Cc: Lyude Paul <lyude at redhat.com>
Cc: Dave Airlie <airlied at redhat.com>
Cc: Sam Ravnborg <sam at ravnborg.org>
Cc: Daniel Vetter <daniel.vetter at ffwll.ch>
Cc: Gerd Hoffmann <kraxel at redhat.com>
Cc: Emil Velikov <emil.velikov at collabora.com>
---
 drivers/gpu/drm/mgag200/mgag200_drv.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/mgag200/mgag200_drv.c b/drivers/gpu/drm/mgag200/mgag200_drv.c
index 5c854bc7dc86..09170d46aa53 100644
--- a/drivers/gpu/drm/mgag200/mgag200_drv.c
+++ b/drivers/gpu/drm/mgag200/mgag200_drv.c
@@ -74,6 +74,7 @@ static int mgag200_regs_init(struct mga_device *mdev)
 		break;
 	case G200_SE_A:
 	case G200_SE_B:
+		option = 0x40049120;
 		if (mgag200_has_sgram(mdev))
 			option |= PCI_MGA_OPTION_HARDPWMSK;
 		option2 = 0x00008000;
-- 
2.28.0



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