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authorJosh Boyer <jwboyer@fedoraproject.org>2016-07-07 08:27:15 -0400
committerJosh Boyer <jwboyer@fedoraproject.org>2016-07-07 08:29:22 -0400
commit884f5d76098ac4ba22950f64f48cb67a4dfb4ae1 (patch)
treec3999b86038e55058e9a26bbbf21d4ba4a72bd9c
parent202a693fe9b3cdeba317bda630907e6a664da253 (diff)
downloadkernel-884f5d76098ac4ba22950f64f48cb67a4dfb4ae1.tar.gz
kernel-884f5d76098ac4ba22950f64f48cb67a4dfb4ae1.tar.xz
kernel-884f5d76098ac4ba22950f64f48cb67a4dfb4ae1.zip
Fix blank screen on some nvidia cards (rbhz 1351205)
-rw-r--r--drm-nouveau-disp-sor-gf119-select-correct-sor-when.patch29
-rw-r--r--kernel.spec6
2 files changed, 35 insertions, 0 deletions
diff --git a/drm-nouveau-disp-sor-gf119-select-correct-sor-when.patch b/drm-nouveau-disp-sor-gf119-select-correct-sor-when.patch
new file mode 100644
index 000000000..996b47918
--- /dev/null
+++ b/drm-nouveau-disp-sor-gf119-select-correct-sor-when.patch
@@ -0,0 +1,29 @@
+From 217215041b9285af2193a755b56a8f3ed408bfe2 Mon Sep 17 00:00:00 2001
+From: Ben Skeggs <bskeggs@redhat.com>
+Date: Wed, 6 Jul 2016 06:50:36 +1000
+Subject: [PATCH] drm/nouveau/disp/sor/gf119: select correct sor when poking
+ training pattern
+
+Fixes a regression caused by a stupid thinko from "disp/sor/gf119: both
+links use the same training register".
+
+Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
+Cc: stable@vger.kernel.org
+---
+ drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgf119.c | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgf119.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgf119.c
+index 22706c0..49bd5da 100644
+--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgf119.c
++++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgf119.c
+@@ -40,7 +40,8 @@ static int
+ gf119_sor_dp_pattern(struct nvkm_output_dp *outp, int pattern)
+ {
+ struct nvkm_device *device = outp->base.disp->engine.subdev.device;
+- nvkm_mask(device, 0x61c110, 0x0f0f0f0f, 0x01010101 * pattern);
++ const u32 soff = gf119_sor_soff(outp);
++ nvkm_mask(device, 0x61c110 + soff, 0x0f0f0f0f, 0x01010101 * pattern);
+ return 0;
+ }
+
diff --git a/kernel.spec b/kernel.spec
index b036ce695..c04ddcc94 100644
--- a/kernel.spec
+++ b/kernel.spec
@@ -624,6 +624,9 @@ Patch815: 0015-drm-i915-gen9-Calculate-watermarks-during-atomic-che.patch
Patch816: 0016-drm-i915-gen9-Reject-display-updates-that-exceed-wm-.patch
Patch817: 0017-drm-i915-Remove-wm_config-from-dev_priv-intel_atomic.patch
+#rbhz 1351205
+Patch833: drm-nouveau-disp-sor-gf119-select-correct-sor-when.patch
+
# END OF PATCH DEFINITIONS
%endif
@@ -2149,6 +2152,9 @@ fi
#
#
%changelog
+* Thu Jul 07 2016 Josh Boyer <jwboyer@fedoraproject.org>
+- Fix blank screen on some nvidia cards (rbhz 1351205)
+
* Thu Jul 7 2016 Peter Robinson <pbrobinson@fedoraproject.org>
- Enable Marvell mvebu for aarch64