From: Alex Deucher <alexdeucher@gmail.com>
To: dri-devel@lists.freedesktop.org
Cc: Alex Deucher <alexander.deucher@amd.com>
Subject: [PATCH] drm/radeon: soft reset uvd on RV770 uvd init
Date: Tue, 26 Aug 2014 23:04:10 -0400 [thread overview]
Message-ID: <1409108650-2130-1-git-send-email-alexander.deucher@amd.com> (raw)
Fixes avoids and error message on boot which is harmless,
but confusing to users.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/radeon/uvd_v1_0.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/gpu/drm/radeon/uvd_v1_0.c b/drivers/gpu/drm/radeon/uvd_v1_0.c
index e251624..82e4fa6 100644
--- a/drivers/gpu/drm/radeon/uvd_v1_0.c
+++ b/drivers/gpu/drm/radeon/uvd_v1_0.c
@@ -325,6 +325,13 @@ int uvd_v1_0_start(struct radeon_device *rdev)
WREG32_P(UVD_RB_ARB_CTRL, 0, ~(1 << 3));
+ if (rdev->family == CHIP_RV770) {
+ WREG32_P(UVD_SOFT_RESET, VCPU_SOFT_RESET, ~VCPU_SOFT_RESET);
+ mdelay(10);
+ WREG32_P(UVD_SOFT_RESET, 0, ~VCPU_SOFT_RESET);
+ mdelay(10);
+ }
+
for (i = 0; i < 10; ++i) {
uint32_t status;
for (j = 0; j < 100; ++j) {
--
1.8.3.1
next reply other threads:[~2014-08-27 3:04 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-27 3:04 Alex Deucher [this message]
2014-08-27 8:10 ` [PATCH] drm/radeon: soft reset uvd on RV770 uvd init Christian König
2014-08-27 15:12 ` Alex Deucher
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