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| author | Eric Anholt <eric@anholt.net> | 2018-10-25 19:26:35 +0300 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2018-10-30 23:01:50 +0300 |
| commit | dff906c3f91c642ef04731e63c3b5f0e520f7778 (patch) | |
| tree | 328aa24cad066eb702d5b34d9e3a6c94f3ecdcb1 /drivers/gpu/drm/drm_simple_kms_helper.c | |
| parent | 01f23459cf93a57d11bd93e660460f135b237af5 (diff) | |
| download | linux-dff906c3f91c642ef04731e63c3b5f0e520f7778.tar.xz | |
drm/tinydrm: Advertise that we can do only DRM_FORMAT_MOD_LINEAR.
Without this, the xserver relies on what the 3D driver exposes and
assumes that the display can handle it, and then the DRM driver
happily tries to scan out a tiled format.
Signed-off-by: Eric Anholt <eric@anholt.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20181025162635.6689-1-eric@anholt.net
Acked-by: Noralf Trønnes <noralf@tronnes.org>
Diffstat (limited to 'drivers/gpu/drm/drm_simple_kms_helper.c')
| -rw-r--r-- | drivers/gpu/drm/drm_simple_kms_helper.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_simple_kms_helper.c b/drivers/gpu/drm/drm_simple_kms_helper.c index 51fa978f0d23..917812448d1b 100644 --- a/drivers/gpu/drm/drm_simple_kms_helper.c +++ b/drivers/gpu/drm/drm_simple_kms_helper.c @@ -190,6 +190,13 @@ static void drm_simple_kms_plane_cleanup_fb(struct drm_plane *plane, pipe->funcs->cleanup_fb(pipe, state); } +static bool drm_simple_kms_format_mod_supported(struct drm_plane *plane, + uint32_t format, + uint64_t modifier) +{ + return modifier == DRM_FORMAT_MOD_LINEAR; +} + static const struct drm_plane_helper_funcs drm_simple_kms_plane_helper_funcs = { .prepare_fb = drm_simple_kms_plane_prepare_fb, .cleanup_fb = drm_simple_kms_plane_cleanup_fb, @@ -204,6 +211,7 @@ static const struct drm_plane_funcs drm_simple_kms_plane_funcs = { .reset = drm_atomic_helper_plane_reset, .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state, .atomic_destroy_state = drm_atomic_helper_plane_destroy_state, + .format_mod_supported = drm_simple_kms_format_mod_supported, }; /** |