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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>
58 lines
1.8 KiB
Diff
58 lines
1.8 KiB
Diff
From 5d35ff6d904bcbf00bee99ea493db47360e756bc Mon Sep 17 00:00:00 2001
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From: Eric Anholt <eric@anholt.net>
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Date: Thu, 21 Dec 2017 13:32:09 -0800
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Subject: [PATCH 184/454] drm/vc4: Flush the caches before the render jobs, as
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well.
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If the frame samples from a render target that was just written, its
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cache flush during the binning step may have occurred before the
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previous frame's RCL was completed. Flush the texture caches again
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before starting each RCL job to make sure that the sampling of the
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previous RCL's output is correct.
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Fixes flickering in the top left of 3DMMES Taiji.
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Signed-off-by: Eric Anholt <eric@anholt.net>
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Fixes: ca26d28bbaa3 ("drm/vc4: improve throughput by pipelining binning and rendering jobs")
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---
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drivers/gpu/drm/vc4/vc4_gem.c | 21 +++++++++++++++++++++
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1 file changed, 21 insertions(+)
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--- a/drivers/gpu/drm/vc4/vc4_gem.c
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+++ b/drivers/gpu/drm/vc4/vc4_gem.c
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@@ -436,6 +436,19 @@ vc4_flush_caches(struct drm_device *dev)
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VC4_SET_FIELD(0xf, V3D_SLCACTL_ICC));
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}
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+static void
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+vc4_flush_texture_caches(struct drm_device *dev)
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+{
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+ struct vc4_dev *vc4 = to_vc4_dev(dev);
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+
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+ V3D_WRITE(V3D_L2CACTL,
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+ V3D_L2CACTL_L2CCLR);
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+
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+ V3D_WRITE(V3D_SLCACTL,
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+ VC4_SET_FIELD(0xf, V3D_SLCACTL_T1CC) |
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+ VC4_SET_FIELD(0xf, V3D_SLCACTL_T0CC));
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+}
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+
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/* Sets the registers for the next job to be actually be executed in
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* the hardware.
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*
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@@ -474,6 +487,14 @@ vc4_submit_next_render_job(struct drm_de
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if (!exec)
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return;
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+ /* A previous RCL may have written to one of our textures, and
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+ * our full cache flush at bin time may have occurred before
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+ * that RCL completed. Flush the texture cache now, but not
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+ * the instructions or uniforms (since we don't write those
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+ * from an RCL).
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+ */
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+ vc4_flush_texture_caches(dev);
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+
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submit_cl(dev, 1, exec->ct1ca, exec->ct1ea);
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}
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