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authorDaniel Vetter <daniel.vetter@ffwll.ch>2018-01-18 16:40:16 +0100
committerDave Airlie <airlied@redhat.com>2018-02-01 11:35:46 +1000
commit24b8ef699e8221d2b7f813adaab13eec053e1507 (patch)
treea2ca4cf75e44cc9878605530ae63fb6aa5381e04 /drivers
parent7ec3c0957f05150e578a0126df330a6a72e64aae (diff)
downloadblackbird-op-linux-24b8ef699e8221d2b7f813adaab13eec053e1507.tar.gz
blackbird-op-linux-24b8ef699e8221d2b7f813adaab13eec053e1507.zip
drm/ast: Load lut in crtc_commit
In the past the ast driver relied upon the fbdev emulation helpers to call ->load_lut at boot-up. But since commit b8e2b0199cc377617dc238f5106352c06dcd3fa2 Author: Peter Rosin <peda@axentia.se> Date: Tue Jul 4 12:36:57 2017 +0200 drm/fb-helper: factor out pseudo-palette that's cleaned up and drivers are expected to boot into a consistent lut state. This patch fixes that. Fixes: b8e2b0199cc3 ("drm/fb-helper: factor out pseudo-palette") Cc: Peter Rosin <peda@axenita.se> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: <stable@vger.kernel.org> # v4.14+ Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=198123 Cc: Bill Fraser <bill.fraser@gmail.com> Reported-and-Tested-by: Bill Fraser <bill.fraser@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/ast/ast_mode.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c
index 9555a3542022..831b73392d82 100644
--- a/drivers/gpu/drm/ast/ast_mode.c
+++ b/drivers/gpu/drm/ast/ast_mode.c
@@ -644,6 +644,7 @@ static void ast_crtc_commit(struct drm_crtc *crtc)
{
struct ast_private *ast = crtc->dev->dev_private;
ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x1, 0xdf, 0);
+ ast_crtc_load_lut(crtc);
}
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