Hi
Am 05.02.25 um 21:08 schrieb Anusha Srivatsa:
Update the Documentation to be more precise.
v2: Update for clarity
Cc: Thomas Zimmermann <tzimmermann@xxxxxxx>
Signed-off-by: Anusha Srivatsa <asrivats@xxxxxxxxxx>
---
Documentation/gpu/todo.rst | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/Documentation/gpu/todo.rst b/Documentation/gpu/todo.rst
index 256d0d1cb2164bd94f9b610a751b907834d96a21..03fcd086889acbd1294669b260292ffc79e97e2f 100644
--- a/Documentation/gpu/todo.rst
+++ b/Documentation/gpu/todo.rst
@@ -441,13 +441,13 @@ Contact: Thomas Zimmermann <tzimmermann@xxxxxxx>
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(),
-pci_request_region() or similar functions. Use helpers for managed cleanup
-where possible.
+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. Problematic areas include hardware that has exclusive ranges like
+VGA. VGA16fb does not request the range as it is expected.
I'd keep both, old and new text, and turn them into a single paragraph.
The old text explains what to do and the new text gives examples.
Best regards
Thomas
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.
--
--
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Frankenstrasse 146, 90461 Nuernberg, Germany
GF: Ivo Totev, Andrew Myers, Andrew McDonald, Boudien Moerman
HRB 36809 (AG Nuernberg)
