Hello Sebastian,
I've previously done some work on this topic [1]. My efforts were mostly about
fixing the situation regarding overrides and providing proper means for
userspace. I am affected by the issue myself as I own several DELL U2414H
screens that declare a CE mode as their preferred one
On Tue, 2020-04-14 at 14:41 +0200, Daniel Vetter wrote:
> On Mon, Apr 13, 2020 at 11:40:22PM +0200, Yussuf Khalil wrote:
> > Add a new flag to mark modes that are considered a CE mode
> > according to the
> > CEA-861 specification. Modes without this flag are implicitly
> &
On Wed, 2020-04-15 at 13:13 +0200, Daniel Vetter wrote:
> On Wed, Apr 15, 2020 at 10:33:25AM +0300, Jani Nikula wrote:
> > On Tue, 14 Apr 2020, Yussuf Khalil wrote:
> > > On Tue, 2020-04-14 at 14:34 +0200, Daniel Vetter wrote:
> > > > On Tue, Apr 14, 2020 at 02:21
On Tue, 2020-04-14 at 14:34 +0200, Daniel Vetter wrote:
> On Tue, Apr 14, 2020 at 02:21:06PM +0300, Jani Nikula wrote:
> > On Tue, 14 Apr 2020, Jani Nikula
> > wrote:
> > > On Mon, 13 Apr 2020, Simon Ser wrote:
> > > > On Monday, April 13, 2020 11:40 PM, Yus
Ensure RGB quantization range changes are applied immediately.
Signed-off-by: Yussuf Khalil
---
drivers/gpu/drm/drm_atomic_helper.c | 6 ++
1 file changed, 6 insertions(+)
diff --git a/drivers/gpu/drm/drm_atomic_helper.c
b/drivers/gpu/drm/drm_atomic_helper.c
index 85d163f16801
no use for this flag inside the kernel, so we set it only when
communicating a mode to user-space.
Signed-off-by: Yussuf Khalil
---
drivers/gpu/drm/drm_modes.c | 14 ++
include/uapi/drm/drm_mode.h | 2 ++
2 files changed, 16 insertions(+)
diff --git a/drivers/gpu/drm/drm_modes.c b
This helper can be used to determine the appropriate RGB quantization range
based on a connector's "RGB quantization range" property and a mode.
Signed-off-by: Yussuf Khalil
---
drivers/gpu/drm/drm_connector.c | 31 +++
include/drm/drm_connector.h
Add a new "RGB quantization range" property with three possible values:
Automatic, Limited, and Full. User-space may use this property to override
the automatic selection of the RGB range as specified by CTA-861. Drivers
should attach this property to all CTA-861 sinks.
Signed-off-
DRM now has a globally available "RGB quantization range" connector
property. i915's "Broadcast RGB" that fulfils the same purpose is now
considered deprecated, so drop it in favor of the DRM property.
Signed-off-by: Yussuf Khalil
---
drivers/gpu/drm/i915/disp
fort to fix the situation. It introduces a property for
overriding the RGB quantization range that is defined in the DRM core and can
be attached to connectors by all drivers, providing a driver-independent way of
overriding the defaults to userspace. So far, I've wired up the new property i
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