[PATCH v2] drm/tegra: plane: Keep 'dependent' blending state of unaffected planes

[PATCH v2] drm/tegra: plane: Keep 'dependent' blending state of unaffected planes

[Dmitry Osipenko]

This way new state takes into account the current state of unaffected
(by the atomic commit) planes.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
---

v2: Dropped unrelated 'cleanup' changes and fixed
    s/state->dependent[i]/state->dependent[index]/ typo.

 drivers/gpu/drm/tegra/plane.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/tegra/plane.c b/drivers/gpu/drm/tegra/plane.c
index fc37dcf8c458..0784422cc5a2 100644
--- a/drivers/gpu/drm/tegra/plane.c
+++ b/drivers/gpu/drm/tegra/plane.c
@@ -315,9 +315,6 @@ void tegra_plane_check_dependent(struct tegra_plane *tegra,
 	unsigned int zpos[2];
 	unsigned int i;
 
-	for (i = 0; i < 3; i++)
-		state->dependent[i] = false;
-
 	for (i = 0; i < 2; i++)
 		zpos[i] = 0;
 
@@ -331,6 +328,8 @@ void tegra_plane_check_dependent(struct tegra_plane *tegra,
 
 		index = tegra_plane_get_overlap_index(tegra, p);
 
+		state->dependent[index] = false;
+
 		/*
 		 * If any of the other planes is on top of this plane and uses
 		 * a format with an alpha component, mark this plane as being
-- 
2.16.1

Re: [PATCH v2] drm/tegra: plane: Keep 'dependent' blending state of unaffected planes

[Thierry Reding]

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On Thu, Mar 15, 2018 at 05:24:31PM +0300, Dmitry Osipenko wrote:
> This way new state takes into account the current state of unaffected
> (by the atomic commit) planes.
> 
> Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
> ---
> 
> v2: Dropped unrelated 'cleanup' changes and fixed
>     s/state->dependent[i]/state->dependent[index]/ typo.
> 
>  drivers/gpu/drm/tegra/plane.c | 5 ++---
>  1 file changed, 2 insertions(+), 3 deletions(-)

I've amended the commit in drm/tegra/fixes to match this v2.

Thanks,
Thierry

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