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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> | 2021-02-19 07:17:21 +0100 |
| commit | 62b7f5931c54e96fca56dd8761b0e466d355c881 (patch) | |
| tree | 1258b392752379833a075df006c2f6d7ac4be51d /target/linux/bcm27xx/patches-5.4/950-0242-drm-vc4-Bring-fkms-into-line-with-kms-in-blocking-do.patch | |
| parent | 76d1168d0d4b9d76e2ad78c0fc6b255561deb284 (diff) | |
| download | upstream-62b7f5931c54e96fca56dd8761b0e466d355c881.tar.gz upstream-62b7f5931c54e96fca56dd8761b0e466d355c881.tar.bz2 upstream-62b7f5931c54e96fca56dd8761b0e466d355c881.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>
(cherry-picked from commit f07e572f64)
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0242-drm-vc4-Bring-fkms-into-line-with-kms-in-blocking-do.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0242-drm-vc4-Bring-fkms-into-line-with-kms-in-blocking-do.patch | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0242-drm-vc4-Bring-fkms-into-line-with-kms-in-blocking-do.patch b/target/linux/bcm27xx/patches-5.4/950-0242-drm-vc4-Bring-fkms-into-line-with-kms-in-blocking-do.patch new file mode 100644 index 0000000000..10a655ade1 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-0242-drm-vc4-Bring-fkms-into-line-with-kms-in-blocking-do.patch @@ -0,0 +1,47 @@ +From 9185a16ce8804d35339402c6aec38a528cc2c7a1 Mon Sep 17 00:00:00 2001 +From: Dave Stevenson <dave.stevenson@raspberrypi.org> +Date: Wed, 10 Apr 2019 17:43:57 +0100 +Subject: [PATCH] drm: vc4: Bring fkms into line with kms in blocking + doublescan modes + +Implement vc4_crtc_mode_valid so that it blocks doublescan modes + +Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org> +--- + drivers/gpu/drm/vc4/vc4_firmware_kms.c | 15 +++++++++++++-- + 1 file changed, 13 insertions(+), 2 deletions(-) + +--- a/drivers/gpu/drm/vc4/vc4_firmware_kms.c ++++ b/drivers/gpu/drm/vc4/vc4_firmware_kms.c +@@ -627,7 +627,17 @@ static void vc4_crtc_enable(struct drm_c + vc4_plane_set_blank(plane, plane->state->visible); + } + ++static enum drm_mode_status ++vc4_crtc_mode_valid(struct drm_crtc *crtc, const struct drm_display_mode *mode) ++{ ++ /* Do not allow doublescan modes from user space */ ++ if (mode->flags & DRM_MODE_FLAG_DBLSCAN) { ++ DRM_DEBUG_KMS("[CRTC:%d] Doublescan mode rejected.\n", ++ crtc->base.id); ++ return MODE_NO_DBLESCAN; ++ } + ++ return MODE_OK; + } + + static int vc4_crtc_atomic_check(struct drm_crtc *crtc, +@@ -737,10 +747,11 @@ static const struct drm_crtc_funcs vc4_c + + static const struct drm_crtc_helper_funcs vc4_crtc_helper_funcs = { + .mode_set_nofb = vc4_crtc_mode_set_nofb, +- .atomic_disable = vc4_crtc_disable, +- .atomic_enable = vc4_crtc_enable, ++ .mode_valid = vc4_crtc_mode_valid, + .atomic_check = vc4_crtc_atomic_check, + .atomic_flush = vc4_crtc_atomic_flush, ++ .atomic_enable = vc4_crtc_enable, ++ .atomic_disable = vc4_crtc_disable, + }; + + static const struct of_device_id vc4_firmware_kms_dt_match[] = { |