diff options
| author | Anusha Srivatsa <asrivats@redhat.com> | 2025-03-04 16:05:37 -0500 |
|---|---|---|
| committer | Anusha Srivatsa <asrivats@asrivats-thinkpadt14sgen2i.rmtustx.csb> | 2025-03-10 17:46:40 -0400 |
| commit | 9e75b6ef407fee5d4ed8021cd7ddd9d6a8f7b0e8 (patch) | |
| tree | 91b05eaa01bfe214c236d69c2099a5d4749f1b2c /Documentation/gpu | |
| parent | 67c4ea8267cf015653610278e0dc36c58e9a7363 (diff) | |
Documentation: Update the todo
Update the Documentation to be more precise.
v2: Update for clarity
v3: Further details in Todo
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Anusha Srivatsa <asrivats@redhat.com>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/640856/?series=144073&rev=5
Diffstat (limited to 'Documentation/gpu')
| -rw-r--r-- | Documentation/gpu/todo.rst | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/Documentation/gpu/todo.rst b/Documentation/gpu/todo.rst index 256d0d1cb216..c57777a24e03 100644 --- a/Documentation/gpu/todo.rst +++ b/Documentation/gpu/todo.rst @@ -441,14 +441,15 @@ Contact: Thomas Zimmermann <tzimmermann@suse.de> Level: Intermediate -Request memory regions in all drivers -------------------------------------- +Request memory regions in all fbdev drivers +-------------------------------------------- -Go through all drivers and add code to request the memory regions that the -driver uses. This requires adding calls to request_mem_region(), +Old/ancient fbdev drivers do not request their memory properly. +Go through these drivers and add code to request the memory regions +that the driver uses. This requires adding calls to request_mem_region(), pci_request_region() or similar functions. Use helpers for managed cleanup -where possible. - +where possible. Problematic areas include hardware that has exclusive ranges +like VGA. VGA16fb does not request the range as it is expected. Drivers are pretty bad at doing this and there used to be conflicts among DRM and fbdev drivers. Still, it's the correct thing to do. |