xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

drm/tinydrm: Advertise that we can do only DRM_FORMAT_MOD_LINEAR.

Browse Source 
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>
This commit is contained in:
Eric Anholt
2018-10-25 09:26:35 -07:00
parent 01f23459cf
commit dff906c3f9
3 changed files with 14 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/gpu/drm/tinydrm/core/tinydrm-core.c
View File

@@ -146,6 +146,7 @@ static int tinydrm_init(struct device *parent, struct tinydrm_device *tdev,
drm->dev_private = tdev;
drm_mode_config_init(drm);
drm->mode_config.funcs = &tinydrm_mode_config_funcs;
drm->mode_config.allow_fb_modifiers = true;
return 0;
}

6
drivers/gpu/drm/tinydrm/core/tinydrm-pipe.c
View File

@@ -184,6 +184,10 @@ tinydrm_display_pipe_init(struct tinydrm_device *tdev,
struct drm_display_mode mode_copy;
struct drm_connector *connector;
int ret;
static const uint64_t modifiers[] = {
DRM_FORMAT_MOD_LINEAR,
DRM_FORMAT_MOD_INVALID
};
drm_mode_copy(&mode_copy, mode);
ret = tinydrm_rotate_mode(&mode_copy, rotation);
@@ -202,6 +206,6 @@ tinydrm_display_pipe_init(struct tinydrm_device *tdev,
return PTR_ERR(connector);
return drm_simple_display_pipe_init(drm, &tdev->pipe, funcs, formats,
format_count, NULL, connector);
format_count, modifiers, connector);
}
EXPORT_SYMBOL(tinydrm_display_pipe_init);