Am 05.12.24 um 17:24 schrieb Dario Binacchi:
Use aperture helpers to remove all generic graphics drivers before
loading mxsfb. Makes mxsfb compatible with simpledrm.
Co-developed-by: Michael Trimarchi <michael@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Michael Trimarchi <michael@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Dario Binacchi <dario.binacchi@xxxxxxxxxxxxxxxxxxxx>
Reviewed-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
---
Changes in v2:
- Use aperture_remove_all_conflicting_devices() instead of
drm_aperture_remove_framebuffers().
drivers/gpu/drm/mxsfb/mxsfb_drv.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/drivers/gpu/drm/mxsfb/mxsfb_drv.c b/drivers/gpu/drm/mxsfb/mxsfb_drv.c
index 6b95e4eb3e4e..10da8b54f4c6 100644
--- a/drivers/gpu/drm/mxsfb/mxsfb_drv.c
+++ b/drivers/gpu/drm/mxsfb/mxsfb_drv.c
@@ -8,6 +8,7 @@
* Copyright (C) 2008 Embedded Alley Solutions, Inc All Rights Reserved.
*/
+#include <linux/aperture.h>
#include <linux/clk.h>
#include <linux/dma-mapping.h>
#include <linux/io.h>
@@ -362,6 +363,15 @@ static int mxsfb_probe(struct platform_device *pdev)
if (ret)
goto err_free;
+ /*
+ * Remove early framebuffers (ie. simplefb). The framebuffer can be
+ * located anywhere in RAM
+ */
+ ret = aperture_remove_all_conflicting_devices(mxsfb_driver.name);
+ if (ret)
+ return dev_err_probe(&pdev->dev, ret,
+ "can't kick out existing framebuffers\n");
+
ret = drm_dev_register(drm, 0);
if (ret)
goto err_unload;
--
--
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Frankenstrasse 146, 90461 Nuernberg, Germany
GF: Ivo Totev, Andrew Myers, Andrew McDonald, Boudien Moerman
HRB 36809 (AG Nuernberg)
