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drm/drm_crtc: Introduce sharpness strength property

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Introduce a new crtc property "SHARPNESS_STRENGTH" that allows
the user to set the intensity so as to get the sharpness effect.
The value of this property can be set from 0-255.
It is useful in scenario when the output is blurry and user
want to sharpen the pixels. User can increase/decrease the
sharpness level depending on the content displayed.

v2: Rename crtc property variable [Arun]
    Add modeset detail in uapi doc[Uma]
v3: Fix build issue
v4: Modify the subject line[Ankit]

Signed-off-by: Nemesa Garg <nemesa.garg@intel.com>
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Tested-by: Adarsh G M <Adarsh.g.m@intel.com>
Acked-by: Simona Vetter <simona.vetter@ffwll.ch>
Link: https://invent.kde.org/plasma/kwin/-/merge_requests/7689
Link: https://patch.msgid.link/20251028120747.3027332-2-ankit.k.nautiyal@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Nemesa Garg
2025-10-28 17:37:37 +05:30
committed by Jani Nikula
parent e69b7a6bd4
commit d1ac2573f0
3 changed files with 57 additions and 0 deletions
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4
drivers/gpu/drm/drm_atomic_uapi.c
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@@ -419,6 +419,8 @@ static int drm_atomic_crtc_set_property(struct drm_crtc *crtc,
set_out_fence_for_crtc(state->state, crtc, fence_ptr);
} else if (property == crtc->scaling_filter_property) {
state->scaling_filter = val;
} else if (property == crtc->sharpness_strength_property) {
state->sharpness_strength = val;
} else if (crtc->funcs->atomic_set_property) {
return crtc->funcs->atomic_set_property(crtc, state, property, val);
} else {
@@ -456,6 +458,8 @@ drm_atomic_crtc_get_property(struct drm_crtc *crtc,
*val = 0;
else if (property == crtc->scaling_filter_property)
*val = state->scaling_filter;
else if (property == crtc->sharpness_strength_property)
*val = state->sharpness_strength;
else if (crtc->funcs->atomic_get_property)
return crtc->funcs->atomic_get_property(crtc, state, property, val);
else {