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Remove WLR_DRM_NO_ATOMIC_GAMMA workaround 

This is fixed on amdgpu, so we don't need this anymore.
This commit is contained in:
Scott Anderson 2019-06-11 13:42:05 +12:00 committed by Simon Ser
parent d201fc3506
commit b85f0cbff9
2 changed files with 1 additions and 7 deletions
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6
backend/drm/atomic.c
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@ -211,11 +211,7 @@ static bool atomic_crtc_set_gamma(struct wlr_drm_backend *drm,
uint16_t *r, uint16_t *g, uint16_t *b) {
// Fallback to legacy gamma interface when gamma properties are not available
// (can happen on older Intel GPUs that support gamma but not degamma).
// TEMP: This is broken on AMDGPU. Provide a fallback to legacy until they
// get it fixed. Ref https://bugs.freedesktop.org/show_bug.cgi?id=107459
const char *no_atomic_str = getenv("WLR_DRM_NO_ATOMIC_GAMMA");
bool no_atomic = no_atomic_str != NULL && strcmp(no_atomic_str, "1") == 0;
if (crtc->props.gamma_lut == 0 || no_atomic) {
if (crtc->props.gamma_lut == 0) {
return legacy_iface.crtc_set_gamma(drm, crtc, size, r, g, b);
}

2
docs/env_vars.md
View File

@ -7,8 +7,6 @@ wlroots reads these environment variables
considered the primary DRM device.
* *WLR_DRM_NO_ATOMIC*: set to 1 to use legacy DRM interface instead of atomic
mode setting
* *WLR_DRM_NO_ATOMIC_GAMMA*: set to 1 to use legacy DRM interface for gamma
control instead of the atomic interface
* *WLR_LIBINPUT_NO_DEVICES*: set to 1 to not fail without any input devices
* *WLR_BACKENDS*: comma-separated list of backends to use (available backends:
wayland, x11, headless, noop)