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linux-yocto/6.6: drm/tilcdc: Set preferred depth

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Integrating the following commit(s) to linux-yocto/6.6:

1/1 [
    Author: Kevin Hao
    Email: haokexin@gmail.com
    Subject: drm/tilcdc: Set preferred depth
    Date: Tue, 19 Mar 2024 08:35:29 +0800

    The commit c91acda3a380 ("drm/gem: Check for valid formats") adds a
    check for valid pixel formats on drm_gem_fb_create(), but this breaks
    the X server on the beaglebone black board.

    We have set 'DefaultDepth' to 16 in our xorg.conf. In the X modesetting
    driver, the drmmode_get_default_bpp() is used to guess the default
    depth/bpp. First it tries to get them via DRM_CAP_DUMB_PREFERRED_DEPTH
    ioctl, and if it fail, then try to create a FB with 'depth = 24' and
    'bpp = 32' to check whether this depth/dpp is a valid combo. Before the
    kernel commit c91acda3a380, the FB always can be created successfully.
    This will avoid the bpp to be set to 24 forcibly. But after kernel
    commit c91acda3a380, the FB will not be created successfully due to the
    check of the valid pixel format. Then the bpp is set to 24, but the
    'depth = 16' and 'bpp = 24' combo is not a valid pixel format.

    Fix this issue by explicitly setting the preferred_depth in this driver.
    With this change, the modesetting driver would choose the correct
    depth/bpp combo based on our setting in xorg.conf.

    Fixes: c91acda3a380 ("drm/gem: Check for valid formats")
    Cc: stable@vger.kernel.org
    Signed-off-by: Kevin Hao <haokexin@gmail.com>
    Link: https://lore.kernel.org/r/20240317033918.535716-1-haokexin@gmail.com/
    Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
]

(From OE-Core rev: e23cbdd51ce4a8ca784f5902310a9e2d363c438a)

Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Bruce Ashfield
2024-03-19 19:01:30 -04:00
committed by Richard Purdie
parent e686282da8
commit f405c9b560
3 changed files with 13 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files
meta/recipes-kernel/linux/linux-yocto-rt_6.6.bb
+1 -1
View File
@@ -14,7 +14,7 @@ python () {
raise bb.parse.SkipRecipe("Set PREFERRED_PROVIDER_virtual/kernel to linux-yocto-rt to enable it")
}
SRCREV_machine ?= "689f65582b3d9a948903cde4e9c29e5fafd1bced"
SRCREV_machine ?= "4b52adc4ca90b93e65eded97537f844bb3f86621"
SRCREV_meta ?= "cc42f74d7d099826d46d3b310fda9c0c7bbb1477"
SRC_URI = "git://git.yoctoproject.org/linux-yocto.git;branch=${KBRANCH};name=machine;protocol=https \
meta/recipes-kernel/linux/linux-yocto-tiny_6.6.bb
+1 -1
View File
@@ -17,7 +17,7 @@ DEPENDS += "openssl-native util-linux-native"
KMETA = "kernel-meta"
KCONF_BSP_AUDIT_LEVEL = "2"
SRCREV_machine ?= "4d67f3ece8ca6f730f43ea8fdb9acf79c0c7bc46"
SRCREV_machine ?= "06644f0d7193d7ec39d7fe41939a21953e7a0c65"
SRCREV_meta ?= "cc42f74d7d099826d46d3b310fda9c0c7bbb1477"
PV = "${LINUX_VERSION}+git"
meta/recipes-kernel/linux/linux-yocto_6.6.bb
+11 -11
View File
@@ -18,17 +18,17 @@ KBRANCH:qemux86-64 ?= "v6.6/standard/base"
KBRANCH:qemuloongarch64 ?= "v6.6/standard/base"
KBRANCH:qemumips64 ?= "v6.6/standard/mti-malta64"
SRCREV_machine:qemuarm ?= "09a926ab47d8072b7dc303cc8b99774abd792867"
SRCREV_machine:qemuarm64 ?= "4d67f3ece8ca6f730f43ea8fdb9acf79c0c7bc46"
SRCREV_machine:qemuloongarch64 ?= "4d67f3ece8ca6f730f43ea8fdb9acf79c0c7bc46"
SRCREV_machine:qemumips ?= "b7fc266342fa1f6a304c54af0c8bc42b926bf1d8"
SRCREV_machine:qemuppc ?= "4d67f3ece8ca6f730f43ea8fdb9acf79c0c7bc46"
SRCREV_machine:qemuriscv64 ?= "4d67f3ece8ca6f730f43ea8fdb9acf79c0c7bc46"
SRCREV_machine:qemuriscv32 ?= "4d67f3ece8ca6f730f43ea8fdb9acf79c0c7bc46"
SRCREV_machine:qemux86 ?= "4d67f3ece8ca6f730f43ea8fdb9acf79c0c7bc46"
SRCREV_machine:qemux86-64 ?= "4d67f3ece8ca6f730f43ea8fdb9acf79c0c7bc46"
SRCREV_machine:qemumips64 ?= "fe3df2eeb1cca6792c09e6a6530671533ce584e5"
SRCREV_machine ?= "4d67f3ece8ca6f730f43ea8fdb9acf79c0c7bc46"
SRCREV_machine:qemuarm ?= "f2dec0d9cb5fec1bd3f6def918c679d7f7a940b3"
SRCREV_machine:qemuarm64 ?= "06644f0d7193d7ec39d7fe41939a21953e7a0c65"
SRCREV_machine:qemuloongarch64 ?= "06644f0d7193d7ec39d7fe41939a21953e7a0c65"
SRCREV_machine:qemumips ?= "805c2ac2a30fe9e61d9d58d19654fe29d43df922"
SRCREV_machine:qemuppc ?= "06644f0d7193d7ec39d7fe41939a21953e7a0c65"
SRCREV_machine:qemuriscv64 ?= "06644f0d7193d7ec39d7fe41939a21953e7a0c65"
SRCREV_machine:qemuriscv32 ?= "06644f0d7193d7ec39d7fe41939a21953e7a0c65"
SRCREV_machine:qemux86 ?= "06644f0d7193d7ec39d7fe41939a21953e7a0c65"
SRCREV_machine:qemux86-64 ?= "06644f0d7193d7ec39d7fe41939a21953e7a0c65"
SRCREV_machine:qemumips64 ?= "96d26749df27806f3f4b3e75993407846194b83f"
SRCREV_machine ?= "06644f0d7193d7ec39d7fe41939a21953e7a0c65"
SRCREV_meta ?= "cc42f74d7d099826d46d3b310fda9c0c7bbb1477"
# set your preferred provider of linux-yocto to 'linux-yocto-upstream', and you'll