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f5919b65d4
Patch generation process: - rebase rpi/rpi-4.14.y on v4.14.89 from linux-stable - git format-patch v4.14.89 Patches skipped during rebase: - lan78xx: Read MAC address from DT if present - lan78xx: Enable LEDs and auto-negotiation - Revert "softirq: Let ksoftirqd do its job" - sc16is7xx: Fix for multi-channel stall - lan78xx: Ignore DT MAC address if already valid - lan78xx: Simple patch to prevent some crashes - tcp_write_queue_purge clears all the SKBs in the write queue - Revert "lan78xx: Simple patch to prevent some crashes" - lan78xx: Connect phy early - Arm: mm: ftrace: Only set text back to ro after kernel has been marked ro - Revert "Revert "softirq: Let ksoftirqd do its job"" - ASoC: cs4265: SOC_SINGLE register value error fix - Revert "ASoC: cs4265: SOC_SINGLE register value error fix" - Revert "net: pskb_trim_rcsum() and CHECKSUM_COMPLETE are friends" - Revert "Revert "net: pskb_trim_rcsum() and CHECKSUM_COMPLETE are friends"" Patches dropped after rebase: - net: Add non-mainline source for rtl8192cu wlan - net: Fix rtl8192cu build errors on other platforms - brcm: adds support for BCM43341 wifi - brcmfmac: Mute expected startup 'errors' - ARM64: Fix build break for RTL8187/RTL8192CU wifi - ARM64: Enable RTL8187/RTL8192CU wifi in build config - This is the driver for Sony CXD2880 DVB-T2/T tuner + demodulator - brcmfmac: add CLM download support - brcmfmac: request_firmware_direct is quieter - Sets the BCDC priority to constant 0 - brcmfmac: Disable ARP offloading when promiscuous - brcmfmac: Avoid possible out-of-bounds read - brcmfmac: Delete redundant length check - net: rtl8192cu: Normalize indentation - net: rtl8192cu: Fix implicit fallthrough warnings - Revert "Sets the BCDC priority to constant 0" - media: cxd2880: Bump to match 4.18.y version - media: cxd2880-spi: Bump to match 4.18.y version - Revert "mm: alloc_contig: re-allow CMA to compact FS pages" - Revert "Revert "mm: alloc_contig: re-allow CMA to compact FS pages"" - cxd2880: CXD2880_SPI_DRV should select DVB_CXD2880 with MEDIA_SUBDRV_AUTOSELECT - 950-0421-HID-hid-bigbenff-driver-for-BigBen-Interactive-PS3OF.patch - 950-0453-Add-hid-bigbenff-to-list-of-have_special_driver-for-.patch Make I2C built-in instead of modular as in upstream defconfig; also the easiest way to get MFD_ARIZONA enabled, which is required by kmod-sound-soc-rpi-cirrus. Add missing compatible strings from 4.9/960-add-rasbperrypi-compatible.patch, using upstream names for compute modules. Add extra patch to enable the LEDs on lan78xx. Compile-tested: bcm2708, bcm2709, bcm2710 (with CONFIG_ALL_KMODS=y) Runtime-tested: bcm2708, bcm2710 Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
45 lines
1.5 KiB
Diff
45 lines
1.5 KiB
Diff
From ee3cf448adf29e8948c40d251f87d87a9817515c Mon Sep 17 00:00:00 2001
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From: Eric Anholt <eric@anholt.net>
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Date: Wed, 20 Sep 2017 15:59:34 -0700
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Subject: [PATCH 179/454] drm/vc4: Reject HDMI modes with too high of clocks.
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Peter Robinson reported issues on Fedora with 4k monitors not having
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their modes filtered down to 1920x1080 on Raspberry Pi.
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v2: Fix vc5 typo in place of vc4.
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Cc: Peter Robinson <pbrobinson@redhat.com>
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Signed-off-by: Eric Anholt <eric@anholt.net>
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Link: https://patchwork.freedesktop.org/patch/msgid/20170920225935.14566-1-eric@anholt.net
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Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> (v1)
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(cherry picked from commit 32e823c63e90f7535ea1cc5311d25c0233e1456d)
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---
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drivers/gpu/drm/vc4/vc4_hdmi.c | 15 +++++++++++++++
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1 file changed, 15 insertions(+)
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--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
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+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
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@@ -695,7 +695,22 @@ static void vc4_hdmi_encoder_enable(stru
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}
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}
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+static enum drm_mode_status
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+vc4_hdmi_encoder_mode_valid(struct drm_encoder *crtc,
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+ const struct drm_display_mode *mode)
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+{
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+ /* HSM clock must be 108% of the pixel clock. Additionally,
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+ * the AXI clock needs to be at least 25% of pixel clock, but
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+ * HSM ends up being the limiting factor.
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+ */
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+ if (mode->clock > HSM_CLOCK_FREQ / (1000 * 108 / 100))
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+ return MODE_CLOCK_HIGH;
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+
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+ return MODE_OK;
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+}
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+
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static const struct drm_encoder_helper_funcs vc4_hdmi_encoder_helper_funcs = {
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+ .mode_valid = vc4_hdmi_encoder_mode_valid,
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.disable = vc4_hdmi_encoder_disable,
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.enable = vc4_hdmi_encoder_enable,
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};
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