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Diffstat (limited to 'Documentation/gpu')
| -rw-r--r-- | Documentation/gpu/todo.rst | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/Documentation/gpu/todo.rst b/Documentation/gpu/todo.rst index 5f4870289135..92ee2f982572 100644 --- a/Documentation/gpu/todo.rst +++ b/Documentation/gpu/todo.rst @@ -351,7 +351,16 @@ those drivers as simple as possible, so lots of room for refactoring: - backlight helpers, probably best to put them into a new drm_backlight.c. This is because drivers/video is de-facto unmaintained. We could also move drivers/video/backlight to drivers/gpu/backlight and take it all - over within drm-misc, but that's more work. + over within drm-misc, but that's more work. Backlight helpers require a fair + bit of reworking and refactoring. A simple example is the enabling of a backlight. + Tinydrm has helpers for this. It would be good if other drivers can also use the + helper. However, there are various cases we need to consider i.e different + drivers seem to have different ways of enabling/disabling a backlight. + We also need to consider the backlight drivers (like gpio_backlight). The situation + is further complicated by the fact that the backlight is tied to fbdev + via fb_notifier_callback() which has complicated logic. For further details, refer + to the following discussion thread: + https://groups.google.com/forum/#!topic/outreachy-kernel/8rBe30lwtdA - spi helpers, probably best put into spi core/helper code. Thierry said the spi maintainer is fast&reactive, so shouldn't be a big issue. |