Re: [PATCH v3 3/3] drm/tiny: ili9486: remove conflicting framebuffers

From: Neil Armstrong
Date: Tue Dec 06 2022 - 04:41:31 EST


Hi Carlo,

On 06/12/2022 09:34, Carlo Caione wrote:
For platforms using simplefb / efifb, call
drm_aperture_remove_framebuffers() to remove the conflicting
framebuffer.

Conflicting framebuffer on the SPI display ? How is that possible ?

The meson_drm should already do this, no ?

Neil


Signed-off-by: Carlo Caione <ccaione@xxxxxxxxxxxx>
---
drivers/gpu/drm/tiny/ili9486.c | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/tiny/ili9486.c b/drivers/gpu/drm/tiny/ili9486.c
index 14a9e6ad2d15..6fd4d42437fd 100644
--- a/drivers/gpu/drm/tiny/ili9486.c
+++ b/drivers/gpu/drm/tiny/ili9486.c
@@ -14,6 +14,7 @@
#include <video/mipi_display.h>
+#include <drm/drm_aperture.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_drv.h>
#include <drm/drm_fb_helper.h>
@@ -238,6 +239,10 @@ static int ili9486_probe(struct spi_device *spi)
if (ret)
return ret;
+ ret = drm_aperture_remove_framebuffers(false, &ili9486_driver);
+ if (ret)
+ return ret;
+
drm_mode_config_reset(drm);
ret = drm_dev_register(drm, 0);