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| author |   Maxime Jourdan <mjourdan@baylibre.com> | 2018-12-10 10:28:53 +0100 |
|---|---|---|
| committer |   Neil Armstrong <narmstrong@baylibre.com> | 2019-01-14 16:56:11 +0100 |
| commit | e3de0aa6c9afdca053389a4721d6a7d65126dfb8 (patch) | |
| tree | 2c628b6d0dfaca2dfb1d8bb0eec22f3e297aabe6 /drivers/gpu/drm/meson/meson_drv.c | |
| parent | drm/mxsfb: Use drm_fbdev_generic_setup() (diff) | |
| download | linux-dev-e3de0aa6c9afdca053389a4721d6a7d65126dfb8.tar.xz linux-dev-e3de0aa6c9afdca053389a4721d6a7d65126dfb8.zip | |
drm/meson: remove firmware framebuffers
In case we are using simplefb or another conflicting framebuffer, make
the call to drm_fb_helper_remove_conflicting_framebuffers()
Signed-off-by: Maxime Jourdan <mjourdan@baylibre.com>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181210092853.13050-1-mjourdan@baylibre.com
Diffstat (limited to '')
| -rw-r--r-- | drivers/gpu/drm/meson/meson_drv.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/gpu/drm/meson/meson_drv.c b/drivers/gpu/drm/meson/meson_drv.c index 3ee4d4a4ecba..1e360828ac38 100644 --- a/drivers/gpu/drm/meson/meson_drv.c +++ b/drivers/gpu/drm/meson/meson_drv.c @@ -152,6 +152,23 @@ static void meson_vpu_init(struct meson_drm *priv) writel_relaxed(0x20000, priv->io_base + _REG(VPU_WRARB_MODE_L2C1)); } +static void meson_remove_framebuffers(void) +{ + struct apertures_struct *ap; + + ap = alloc_apertures(1); + if (!ap) + return; + + /* The framebuffer can be located anywhere in RAM */ + ap->ranges[0].base = 0; + ap->ranges[0].size = ~0; + + drm_fb_helper_remove_conflicting_framebuffers(ap, "meson-drm-fb", + false); + kfree(ap); +} + static int meson_drv_bind_master(struct device *dev, bool has_components) { struct platform_device *pdev = to_platform_device(dev); @@ -262,6 +279,9 @@ static int meson_drv_bind_master(struct device *dev, bool has_components) if (ret) goto free_drm; + /* Remove early framebuffers (ie. simplefb) */ + meson_remove_framebuffers(); + drm_mode_config_init(drm); drm->mode_config.max_width = 3840; drm->mode_config.max_height = 2160; |