Remove WLR_DRM_NO_ATOMIC_GAMMA workaround
This is fixed on amdgpu, so we don't need this anymore.
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@ -211,11 +211,7 @@ static bool atomic_crtc_set_gamma(struct wlr_drm_backend *drm,
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uint16_t *r, uint16_t *g, uint16_t *b) {
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uint16_t *r, uint16_t *g, uint16_t *b) {
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// Fallback to legacy gamma interface when gamma properties are not available
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// Fallback to legacy gamma interface when gamma properties are not available
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// (can happen on older Intel GPUs that support gamma but not degamma).
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// (can happen on older Intel GPUs that support gamma but not degamma).
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// TEMP: This is broken on AMDGPU. Provide a fallback to legacy until they
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if (crtc->props.gamma_lut == 0) {
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// get it fixed. Ref https://bugs.freedesktop.org/show_bug.cgi?id=107459
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const char *no_atomic_str = getenv("WLR_DRM_NO_ATOMIC_GAMMA");
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bool no_atomic = no_atomic_str != NULL && strcmp(no_atomic_str, "1") == 0;
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if (crtc->props.gamma_lut == 0 || no_atomic) {
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return legacy_iface.crtc_set_gamma(drm, crtc, size, r, g, b);
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return legacy_iface.crtc_set_gamma(drm, crtc, size, r, g, b);
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}
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}
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@ -7,8 +7,6 @@ wlroots reads these environment variables
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considered the primary DRM device.
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considered the primary DRM device.
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* *WLR_DRM_NO_ATOMIC*: set to 1 to use legacy DRM interface instead of atomic
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* *WLR_DRM_NO_ATOMIC*: set to 1 to use legacy DRM interface instead of atomic
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mode setting
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mode setting
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* *WLR_DRM_NO_ATOMIC_GAMMA*: set to 1 to use legacy DRM interface for gamma
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control instead of the atomic interface
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* *WLR_LIBINPUT_NO_DEVICES*: set to 1 to not fail without any input devices
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* *WLR_LIBINPUT_NO_DEVICES*: set to 1 to not fail without any input devices
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* *WLR_BACKENDS*: comma-separated list of backends to use (available backends:
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* *WLR_BACKENDS*: comma-separated list of backends to use (available backends:
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wayland, x11, headless, noop)
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wayland, x11, headless, noop)
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