brcm2708: remove linux 4.4 support

[openwrt/staging/yousong.git] / target / linux / brcm2708 / patches-4.4 / 0518-drm-vc4-Enable-precise-vblank-timestamping-for-inter.patch

diff --git a/target/linux/brcm2708/patches-4.4/0518-drm-vc4-Enable-precise-vblank-timestamping-for-inter.patch b/target/linux/brcm2708/patches-4.4/0518-drm-vc4-Enable-precise-vblank-timestamping-for-inter.patch
deleted file mode 100644 (file)
index f2ba3b7..0000000
--- a/target/linux/brcm2708/patches-4.4/0518-drm-vc4-Enable-precise-vblank-timestamping-for-inter.patch
+++ /dev/null
@@ -1,61 +0,0 @@
-From d64055c8b7c73a95d30fe79300067b79b5b441ce Mon Sep 17 00:00:00 2001
-From: Mario Kleiner <mario.kleiner.de@gmail.com>
-Date: Tue, 19 Jul 2016 20:59:00 +0200
-Subject: [PATCH] drm/vc4: Enable precise vblank timestamping for interlaced
- modes.
-
-On top of the interlaced video mode fix and with some additional
-adjustments, this now works well. It has almost the same accuracy
-as on regular progressive scan modes.
-
-Signed-off-by: Mario Kleiner <mario.kleiner.de@gmail.com>
-Signed-off-by: Eric Anholt <eric@anholt.net>
----
- drivers/gpu/drm/vc4/vc4_crtc.c | 21 ++++++++-------------
- 1 file changed, 8 insertions(+), 13 deletions(-)
-
---- a/drivers/gpu/drm/vc4/vc4_crtc.c
-+++ b/drivers/gpu/drm/vc4/vc4_crtc.c
-@@ -154,14 +154,6 @@ int vc4_crtc_get_scanoutpos(struct drm_d
-       if (vc4->firmware_kms)
-               return 0;
- 
--      /*
--       * XXX Doesn't work well in interlaced mode yet, partially due
--       * to problems in vc4 kms or drm core interlaced mode handling,
--       * so disable for now in interlaced mode.
--       */
--      if (mode->flags & DRM_MODE_FLAG_INTERLACE)
--              return ret;
--
-       /* preempt_disable_rt() should go right here in PREEMPT_RT patchset. */
- 
-       /* Get optional system timestamp before query. */
-@@ -182,10 +174,15 @@ int vc4_crtc_get_scanoutpos(struct drm_d
- 
-       /* Vertical position of hvs composed scanline. */
-       *vpos = VC4_GET_FIELD(val, SCALER_DISPSTATX_LINE);
-+      *hpos = 0;
-+
-+      if (mode->flags & DRM_MODE_FLAG_INTERLACE) {
-+              *vpos /= 2;
- 
--      /* No hpos info available. */
--      if (hpos)
--              *hpos = 0;
-+              /* Use hpos to correct for field offset in interlaced mode. */
-+              if (VC4_GET_FIELD(val, SCALER_DISPSTATX_FRAME_COUNT) % 2)
-+                      *hpos += mode->crtc_htotal / 2;
-+      }
- 
-       /* This is the offset we need for translating hvs -> pv scanout pos. */
-       fifo_lines = vc4_crtc->cob_size / mode->crtc_hdisplay;
-@@ -208,8 +205,6 @@ int vc4_crtc_get_scanoutpos(struct drm_d
-                * position of the PV.
-                */
-               *vpos -= fifo_lines + 1;
--              if (mode->flags & DRM_MODE_FLAG_INTERLACE)
--                      *vpos /= 2;
- 
-               ret |= DRM_SCANOUTPOS_ACCURATE;
-               return ret;