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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-5.4/950-0259-drm-vc4-Limit-fkms-to-modes-85Hz.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-5.4/950-0259-drm-vc4-Limit-fkms-to-modes-85Hz.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0259-drm-vc4-Limit-fkms-to-modes-85Hz.patch | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0259-drm-vc4-Limit-fkms-to-modes-85Hz.patch b/target/linux/bcm27xx/patches-5.4/950-0259-drm-vc4-Limit-fkms-to-modes-85Hz.patch new file mode 100644 index 0000000000..128ac5d54b --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-0259-drm-vc4-Limit-fkms-to-modes-85Hz.patch @@ -0,0 +1,26 @@ +From 9f9d67a11cfd6318d2bd1321090c0950242cfa25 Mon Sep 17 00:00:00 2001 +From: Dave Stevenson <dave.stevenson@raspberrypi.org> +Date: Tue, 18 Jun 2019 21:37:45 +0100 +Subject: [PATCH] drm/vc4: Limit fkms to modes <= 85Hz + +Selecting 1080p100 and 120 has very limited gain, but don't want +to block VGA85 and similar. + +Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org> +--- + drivers/gpu/drm/vc4/vc4_firmware_kms.c | 4 ++++ + 1 file changed, 4 insertions(+) + +--- a/drivers/gpu/drm/vc4/vc4_firmware_kms.c ++++ b/drivers/gpu/drm/vc4/vc4_firmware_kms.c +@@ -823,6 +823,10 @@ vc4_crtc_mode_valid(struct drm_crtc *crt + return MODE_NO_DBLESCAN; + } + ++ /* Disable refresh rates > 85Hz as limited gain from them */ ++ if (drm_mode_vrefresh(mode) > 85) ++ return MODE_BAD_VVALUE; ++ + /* Limit the pixel clock based on the HDMI clock limits from the + * firmware + */ |