[PATCH xf86-video-amdgpu 1/2] Don't call scanout_flip/update with a legacy RandR scanout buffer

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From: Michel Dänzer <michel.daenzer@xxxxxxx>

It means we are not using our own scanout buffers.

Fixes crash when TearFree is supposed to be enabled, but
drmmode_handle_transform doesn't set crtc->driverIsPerformingTransform.

Bugzilla: https://bugs.freedesktop.org/105736
Signed-off-by: Michel Dänzer <michel.daenzer at amd.com>
---
 src/amdgpu_kms.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/amdgpu_kms.c b/src/amdgpu_kms.c
index c86c78706..5ea90f90c 100644
--- a/src/amdgpu_kms.c
+++ b/src/amdgpu_kms.c
@@ -1055,6 +1055,9 @@ static void AMDGPUBlockHandler_KMS(BLOCKHANDLER_ARGS_DECL)
 			xf86CrtcPtr crtc = xf86_config->crtc[c];
 			drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;
 
+			if (drmmode_crtc->rotate.pixmap)
+				continue;
+
 			if (drmmode_crtc->tear_free)
 				amdgpu_scanout_flip(pScreen, info, crtc);
 			else if (drmmode_crtc->scanout[drmmode_crtc->scanout_id].pixmap)
-- 
2.17.0



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