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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>
64 lines
2.3 KiB
Diff
64 lines
2.3 KiB
Diff
From 7771310ee7e9b7291e549e36771de6176d57e24b Mon Sep 17 00:00:00 2001
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From: Stefan Schake <stschake@gmail.com>
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Date: Fri, 9 Mar 2018 01:53:35 +0100
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Subject: [PATCH 345/454] drm/vc4: Check if plane requires background fill
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commit 3d67b68a6a3c2deb689c29759a20150c668c286e upstream.
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Considering a single plane only, we have to enable background color
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when the plane has an alpha format and could be blending from the
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background or when it doesn't cover the entire screen.
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Changes from v1:
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- Drop unrelated change
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- Move needs_bg_fill to plane state
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Signed-off-by: Stefan Schake <stschake@gmail.com>
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Signed-off-by: Eric Anholt <eric@anholt.net>
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Reviewed-by: Eric Anholt <eric@anholt.net>
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Link: https://patchwork.freedesktop.org/patch/msgid/1520556817-97297-3-git-send-email-stschake@gmail.com
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---
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drivers/gpu/drm/vc4/vc4_plane.c | 17 +++++++++++++++++
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1 file changed, 17 insertions(+)
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--- a/drivers/gpu/drm/vc4/vc4_plane.c
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+++ b/drivers/gpu/drm/vc4/vc4_plane.c
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@@ -73,6 +73,12 @@ struct vc4_plane_state {
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/* Our allocation in LBM for temporary storage during scaling. */
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struct drm_mm_node lbm;
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+
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+ /* Set when the plane has per-pixel alpha content or does not cover
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+ * the entire screen. This is a hint to the CRTC that it might need
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+ * to enable background color fill.
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+ */
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+ bool needs_bg_fill;
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};
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static inline struct vc4_plane_state *
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@@ -521,6 +527,7 @@ static int vc4_plane_mode_set(struct drm
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u32 ctl0_offset = vc4_state->dlist_count;
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const struct hvs_format *format = vc4_get_hvs_format(fb->format->format);
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int num_planes = drm_format_num_planes(format->drm);
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+ bool covers_screen;
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u32 scl0, scl1, pitch0;
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u32 lbm_size, tiling;
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unsigned long irqflags;
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@@ -704,6 +711,16 @@ static int vc4_plane_mode_set(struct drm
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vc4_state->dlist[ctl0_offset] |=
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VC4_SET_FIELD(vc4_state->dlist_count, SCALER_CTL0_SIZE);
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+ /* crtc_* are already clipped coordinates. */
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+ covers_screen = vc4_state->crtc_x == 0 && vc4_state->crtc_y == 0 &&
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+ vc4_state->crtc_w == state->crtc->mode.hdisplay &&
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+ vc4_state->crtc_h == state->crtc->mode.vdisplay;
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+ /* Background fill might be necessary when the plane has per-pixel
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+ * alpha content and blends from the background or does not cover
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+ * the entire screen.
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+ */
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+ vc4_state->needs_bg_fill = format->has_alpha || !covers_screen;
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+
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return 0;
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}
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