brcm2708: remove linux 4.14 support

[openwrt/staging/chunkeey.git] / target / linux / brcm2708 / patches-4.14 / 950-0179-drm-vc4-Reject-HDMI-modes-with-too-high-of-clocks.patch

diff --git a/target/linux/brcm2708/patches-4.14/950-0179-drm-vc4-Reject-HDMI-modes-with-too-high-of-clocks.patch b/target/linux/brcm2708/patches-4.14/950-0179-drm-vc4-Reject-HDMI-modes-with-too-high-of-clocks.patch
deleted file mode 100644 (file)
index bef2811..0000000
--- a/target/linux/brcm2708/patches-4.14/950-0179-drm-vc4-Reject-HDMI-modes-with-too-high-of-clocks.patch
+++ /dev/null
@@ -1,44 +0,0 @@
-From ee3cf448adf29e8948c40d251f87d87a9817515c Mon Sep 17 00:00:00 2001
-From: Eric Anholt <eric@anholt.net>
-Date: Wed, 20 Sep 2017 15:59:34 -0700
-Subject: [PATCH 179/454] drm/vc4: Reject HDMI modes with too high of clocks.
-
-Peter Robinson reported issues on Fedora with 4k monitors not having
-their modes filtered down to 1920x1080 on Raspberry Pi.
-
-v2: Fix vc5 typo in place of vc4.
-
-Cc: Peter Robinson <pbrobinson@redhat.com>
-Signed-off-by: Eric Anholt <eric@anholt.net>
-Link: https://patchwork.freedesktop.org/patch/msgid/20170920225935.14566-1-eric@anholt.net
-Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> (v1)
-(cherry picked from commit 32e823c63e90f7535ea1cc5311d25c0233e1456d)
----
- drivers/gpu/drm/vc4/vc4_hdmi.c | 15 +++++++++++++++
- 1 file changed, 15 insertions(+)
-
---- a/drivers/gpu/drm/vc4/vc4_hdmi.c
-+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
-@@ -695,7 +695,22 @@ static void vc4_hdmi_encoder_enable(stru
-       }
- }
- 
-+static enum drm_mode_status
-+vc4_hdmi_encoder_mode_valid(struct drm_encoder *crtc,
-+                          const struct drm_display_mode *mode)
-+{
-+      /* HSM clock must be 108% of the pixel clock.  Additionally,
-+       * the AXI clock needs to be at least 25% of pixel clock, but
-+       * HSM ends up being the limiting factor.
-+       */
-+      if (mode->clock > HSM_CLOCK_FREQ / (1000 * 108 / 100))
-+              return MODE_CLOCK_HIGH;
-+
-+      return MODE_OK;
-+}
-+
- static const struct drm_encoder_helper_funcs vc4_hdmi_encoder_helper_funcs = {
-+      .mode_valid = vc4_hdmi_encoder_mode_valid,
-       .disable = vc4_hdmi_encoder_disable,
-       .enable = vc4_hdmi_encoder_enable,
- };