If there is no backlight specified in the device tree and the panel
has access to the DP AUX channel then create a DP AUX backlight if
supported by the panel.
Signed-off-by: Rajeev Nandan
Reviewed-by: Douglas Anderson
---
(no changes since v5)
This patch depends on the previous patch (2/5) of
Some panels support backlight control over DP AUX channel using
VESA's standard backlight control interface.
Using new DRM eDP backlight helpers, add support to create and
register a backlight for those panels in drm_panel to simplify
the panel drivers.
The panel driver with access to "struct drm_
Some panels datasheets may specify a delay between the enable GPIO and
the regulator. Support this in panel-simple.
Signed-off-by: Rajeev Nandan
Reviewed-by: Douglas Anderson
---
Changes in v4:
- New
Changes in v5:
- Update description (Douglas)
- Warn if "power_to_enable" or "disable_to_power
Add Samsung 13.3" FHD eDP AMOLED panel.
Signed-off-by: Rajeev Nandan
Reviewed-by: Douglas Anderson
---
(no changes since v5)
Changes in v4:
- New
Changes in v5:
- Remove "uses_dpcd_backlight" property, not required now. (Douglas)
drivers/gpu/drm/panel/panel-simple.c | 33 +++
Add Samsung 13.3" FHD eDP AMOLED panel.
Signed-off-by: Rajeev Nandan
Reviewed-by: Douglas Anderson
Acked-by: Rob Herring
---
(no changes since v4)
Changes in v4:
- New
Documentation/devicetree/bindings/display/panel/panel-simple.yaml | 2 ++
1 file changed, 2 insertions(+)
diff --git a/Doc
This series adds the support for the eDP panel that needs the backlight
controlling over the DP AUX channel using DPCD registers of the panel
as per the VESA's standard.
This series also adds support for the Samsung eDP AMOLED panel that
needs DP AUX to control the backlight, and introduces new de
On 11/06/2021 20:00, Bjorn Andersson wrote:
Handling of the interrupt callback lists is done in dpu_core_irq.c,
under the "cb_lock" spinlock. When these operations results in the need
for enableing or disabling the IRQ in the hardware the code jumps to
dpu_hw_interrupts.c, which protects its oper
