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Subject[PATCH 53/93] drm/radeon: fix cursor corruption on DCE6 and newer
Date
3.5.7.5 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Jerome Glisse <jglisse@redhat.com>

commit e521a29014794d139cca46396d1af8faf1295a26 upstream.

Aruba and newer gpu does not need the avivo cursor work around,
quite the opposite this work around lead to corruption.

agd5f: check DCE6 rather than ARUBA since the issue is DCE
version specific rather than family specific.

Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Herton Ronaldo Krzesinski <herton.krzesinski@canonical.com>
---
drivers/gpu/drm/radeon/radeon_cursor.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/radeon/radeon_cursor.c b/drivers/gpu/drm/radeon/radeon_cursor.c
index 711e95a..8fb6f41 100644
--- a/drivers/gpu/drm/radeon/radeon_cursor.c
+++ b/drivers/gpu/drm/radeon/radeon_cursor.c
@@ -238,7 +238,8 @@ int radeon_crtc_cursor_move(struct drm_crtc *crtc,
y = 0;
}

- if (ASIC_IS_AVIVO(rdev)) {
+ /* fixed on DCE6 and newer */
+ if (ASIC_IS_AVIVO(rdev) && !ASIC_IS_DCE6(rdev)) {
int i = 0;
struct drm_crtc *crtc_p;

--
1.7.9.5


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