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drm/tegra: Remove existing framebuffer only if we support display

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Tegra DRM doesn't support display on Tegra234 and later, so make sure
not to remove any existing framebuffers in that case.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Change-Id: I410c6dc73b3b00caf9bef4b3a047c741223e75f0
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2968311
Reviewed-by: Santosh Galma <galmar@nvidia.com>
Tested-by: Santosh Galma <galmar@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
This commit is contained in:
Thierry Reding
2023-08-25 15:22:29 +02:00
committed by mobile promotions
parent 8c434bce54
commit fe4df61d9f
1 changed files with 6 additions and 4 deletions
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10
drivers/gpu/drm/tegra/drm.c
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@@ -1297,13 +1297,15 @@ static int host1x_drm_probe(struct host1x_device *dev)
drm_mode_config_reset(drm);
if (drm->mode_config.num_crtc > 0) {
#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 15, 0)
err = drm_aperture_remove_framebuffers(false, &tegra_drm_driver);
err = drm_aperture_remove_framebuffers(false, &tegra_drm_driver);
#else
err = drm_aperture_remove_framebuffers(false, "tegradrmfb");
err = drm_aperture_remove_framebuffers(false, "tegradrmfb");
#endif
if (err < 0)
goto hub;
if (err < 0)
goto hub;
}
err = tegra_drm_fb_init(drm);
if (err < 0)