diff options
Diffstat (limited to 'drivers/gpu/drm/tegra')
| -rw-r--r-- | drivers/gpu/drm/tegra/drm.c | 26 | ||||
| -rw-r--r-- | drivers/gpu/drm/tegra/hdmi.c | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/tegra/sor.c | 1 |
3 files changed, 24 insertions, 4 deletions
diff --git a/drivers/gpu/drm/tegra/drm.c b/drivers/gpu/drm/tegra/drm.c index ff36171c8fb7..03d1c76aec2d 100644 --- a/drivers/gpu/drm/tegra/drm.c +++ b/drivers/gpu/drm/tegra/drm.c @@ -960,7 +960,8 @@ int host1x_client_iommu_attach(struct host1x_client *client) * not the shared IOMMU domain, don't try to attach it to a different * domain. This allows using the IOMMU-backed DMA API. */ - if (domain && domain != tegra->domain) + if (domain && domain->type != IOMMU_DOMAIN_IDENTITY && + domain != tegra->domain) return 0; if (tegra->domain) { @@ -1242,9 +1243,26 @@ static int host1x_drm_probe(struct host1x_device *dev) drm_mode_config_reset(drm); - err = drm_aperture_remove_framebuffers(&tegra_drm_driver); - if (err < 0) - goto hub; + /* + * Only take over from a potential firmware framebuffer if any CRTCs + * have been registered. This must not be a fatal error because there + * are other accelerators that are exposed via this driver. + * + * Another case where this happens is on Tegra234 where the display + * hardware is no longer part of the host1x complex, so this driver + * will not expose any modesetting features. + */ + if (drm->mode_config.num_crtc > 0) { + err = drm_aperture_remove_framebuffers(&tegra_drm_driver); + if (err < 0) + goto hub; + } else { + /* + * Indicate to userspace that this doesn't expose any display + * capabilities. + */ + drm->driver_features &= ~(DRIVER_MODESET | DRIVER_ATOMIC); + } err = drm_dev_register(drm, 0); if (err < 0) diff --git a/drivers/gpu/drm/tegra/hdmi.c b/drivers/gpu/drm/tegra/hdmi.c index 0ba3ca3ac509..a1fcee665023 100644 --- a/drivers/gpu/drm/tegra/hdmi.c +++ b/drivers/gpu/drm/tegra/hdmi.c @@ -24,6 +24,7 @@ #include <drm/drm_atomic_helper.h> #include <drm/drm_crtc.h> #include <drm/drm_debugfs.h> +#include <drm/drm_eld.h> #include <drm/drm_file.h> #include <drm/drm_fourcc.h> #include <drm/drm_probe_helper.h> diff --git a/drivers/gpu/drm/tegra/sor.c b/drivers/gpu/drm/tegra/sor.c index d5a3d3f4fece..83341576630d 100644 --- a/drivers/gpu/drm/tegra/sor.c +++ b/drivers/gpu/drm/tegra/sor.c @@ -20,6 +20,7 @@ #include <drm/display/drm_scdc_helper.h> #include <drm/drm_atomic_helper.h> #include <drm/drm_debugfs.h> +#include <drm/drm_eld.h> #include <drm/drm_file.h> #include <drm/drm_panel.h> #include <drm/drm_simple_kms_helper.h> |