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| author | Álvaro Fernández Rojas <noltari@gmail.com> | 2021-02-18 18:04:33 +0100 |
|---|---|---|
| committer | Álvaro Fernández Rojas <noltari@gmail.com> | 2021-02-18 23:42:32 +0100 |
| commit | f07e572f6447465d8938679533d604e402b0f066 (patch) | |
| tree | cb333bd2a67e59e7c07659514850a0fd55fc825e /target/linux/bcm27xx/patches-5.4/950-0594-drm-Checking-of-the-pitch-is-only-valid-for-linear-f.patch | |
| parent | 5d3a6fd970619dfc55f8259035c3027d7613a2a6 (diff) | |
| download | upstream-f07e572f6447465d8938679533d604e402b0f066.tar.gz upstream-f07e572f6447465d8938679533d604e402b0f066.tar.bz2 upstream-f07e572f6447465d8938679533d604e402b0f066.zip | |
bcm27xx: import latest patches from the RPi foundation
bcm2708: boot tested on RPi B+ v1.2
bcm2709: boot tested on RPi 3B v1.2 and RPi 4B v1.1 4G
bcm2710: boot tested on RPi 3B v1.2
bcm2711: boot tested on RPi 4B v1.1 4G
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0594-drm-Checking-of-the-pitch-is-only-valid-for-linear-f.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0594-drm-Checking-of-the-pitch-is-only-valid-for-linear-f.patch | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0594-drm-Checking-of-the-pitch-is-only-valid-for-linear-f.patch b/target/linux/bcm27xx/patches-5.4/950-0594-drm-Checking-of-the-pitch-is-only-valid-for-linear-f.patch new file mode 100644 index 0000000000..3f0aa4aa02 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-0594-drm-Checking-of-the-pitch-is-only-valid-for-linear-f.patch @@ -0,0 +1,39 @@ +From 60ef8af4bc2d5f8643adbcb69bb1f52e491a96ae Mon Sep 17 00:00:00 2001 +From: Dave Stevenson <dave.stevenson@raspberrypi.com> +Date: Mon, 27 Jan 2020 10:22:44 +0000 +Subject: [PATCH] drm: Checking of the pitch is only valid for linear + formats + +framebuffer_check was computing a minimum pitch value and ensuring +that the provided value was greater than this. +That check is only valid if the format is linear. + +Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com> +--- + drivers/gpu/drm/drm_framebuffer.c | 16 ++++++++++------ + 1 file changed, 10 insertions(+), 6 deletions(-) + +--- a/drivers/gpu/drm/drm_framebuffer.c ++++ b/drivers/gpu/drm/drm_framebuffer.c +@@ -217,12 +217,16 @@ static int framebuffer_check(struct drm_ + if (min_pitch > UINT_MAX) + return -ERANGE; + +- if ((uint64_t) height * r->pitches[i] + r->offsets[i] > UINT_MAX) +- return -ERANGE; ++ if (r->modifier[i] == DRM_FORMAT_MOD_LINEAR) { ++ if ((uint64_t)height * r->pitches[i] + r->offsets[i] > ++ UINT_MAX) ++ return -ERANGE; + +- if (block_size && r->pitches[i] < min_pitch) { +- DRM_DEBUG_KMS("bad pitch %u for plane %d\n", r->pitches[i], i); +- return -EINVAL; ++ if (block_size && r->pitches[i] < min_pitch) { ++ DRM_DEBUG_KMS("bad pitch %u for plane %d\n", ++ r->pitches[i], i); ++ return -EINVAL; ++ } + } + + if (r->modifier[i] && !(r->flags & DRM_MODE_FB_MODIFIERS)) { |