brcm2708: add linux 4.19 support
[openwrt/openwrt.git] / target / linux / brcm2708 / patches-4.19 / 950-0658-drm-vc4-Remove-340MHz-clock-limit-from-FKMS-now-scra.patch
1 From e63e050360bfe8d06552ed5fb0f037d8f18b61bc Mon Sep 17 00:00:00 2001
2 From: Dave Stevenson <dave.stevenson@raspberrypi.org>
3 Date: Mon, 10 Jun 2019 16:32:51 +0100
4 Subject: [PATCH 658/703] drm/vc4: Remove 340MHz clock limit from FKMS now
5 scrambling issues resolved
6
7 Firmware TMDS scrambling is now being correctly configured, so
8 we can use it.
9
10 Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
11 ---
12 drivers/gpu/drm/vc4/vc4_firmware_kms.c | 6 ------
13 1 file changed, 6 deletions(-)
14
15 --- a/drivers/gpu/drm/vc4/vc4_firmware_kms.c
16 +++ b/drivers/gpu/drm/vc4/vc4_firmware_kms.c
17 @@ -830,12 +830,6 @@ vc4_crtc_mode_valid(struct drm_crtc *crt
18 break;
19 }
20
21 - /* Limit the pixel clock until we can get dynamic HDMI 2.0 scrambling
22 - * working.
23 - */
24 - if (mode->clock > 340000)
25 - return MODE_CLOCK_HIGH;
26 -
27 return MODE_OK;
28 }
29