diff options
Diffstat (limited to 'recipes-kernel/linux/linux-ti33x-psp-3.2/3.2.16/0066-drm-radeon-disable-MSI-on-RV515.patch')
| -rw-r--r-- | recipes-kernel/linux/linux-ti33x-psp-3.2/3.2.16/0066-drm-radeon-disable-MSI-on-RV515.patch | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/recipes-kernel/linux/linux-ti33x-psp-3.2/3.2.16/0066-drm-radeon-disable-MSI-on-RV515.patch b/recipes-kernel/linux/linux-ti33x-psp-3.2/3.2.16/0066-drm-radeon-disable-MSI-on-RV515.patch new file mode 100644 index 00000000..624a8ab8 --- /dev/null +++ b/recipes-kernel/linux/linux-ti33x-psp-3.2/3.2.16/0066-drm-radeon-disable-MSI-on-RV515.patch @@ -0,0 +1,37 @@ +From 4c47e0570154691338fd2e670109120a8e99184c Mon Sep 17 00:00:00 2001 +From: Dave Airlie <airlied@redhat.com> +Date: Fri, 13 Apr 2012 11:14:50 +0100 +Subject: [PATCH 66/68] drm/radeon: disable MSI on RV515 + +commit 16a5e32b83fd946312b9b13590c75d20c95c5202 upstream. + +My rv515 card is very flaky with msi enabled. Every so often it loses a rearm +and never comes back, manually banging the rearm brings it back. + +Reviewed-by: Alex Deucher <alexander.deucher@amd.com> +Signed-off-by: Dave Airlie <airlied@redhat.com> +Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> +--- + drivers/gpu/drm/radeon/radeon_irq_kms.c | 6 ++++++ + 1 file changed, 6 insertions(+) + +diff --git a/drivers/gpu/drm/radeon/radeon_irq_kms.c b/drivers/gpu/drm/radeon/radeon_irq_kms.c +index e7ddb49..baa019e 100644 +--- a/drivers/gpu/drm/radeon/radeon_irq_kms.c ++++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c +@@ -143,6 +143,12 @@ static bool radeon_msi_ok(struct radeon_device *rdev) + (rdev->pdev->subsystem_device == 0x01fd)) + return true; + ++ /* RV515 seems to have MSI issues where it loses ++ * MSI rearms occasionally. This leads to lockups and freezes. ++ * disable it by default. ++ */ ++ if (rdev->family == CHIP_RV515) ++ return false; + if (rdev->flags & RADEON_IS_IGP) { + /* APUs work fine with MSIs */ + if (rdev->family >= CHIP_PALM) +-- +1.7.10 + |