Hi,
On 02/03/2015 10:28 PM, Gustavo Padovan wrote:
> Hi Joonyoung,
>
> 2015-01-29 Joonyoung Shim <jy0922.shim@xxxxxxxxxxx>:
>
>> The exynos_update_plane functions can be called from set_plane as well
>> as set_crtc and pageflip. Currently the plane displayed by set_plane
>> isn't called exynos_plane_on function and if plane is disabled, it calls
>> exynos_plane_off, so it causes disharmory of plane on/off.
>>
>> This is caused from commit e7cd81111041 ("drm/exynos: Don't touch DPMS
>> when updating overlay planes").
>>
>> Make .update_plane function called only by set_plane and call
>> exynos_plane_on in it.
>>
>> Signed-off-by: Joonyoung Shim <jy0922.shim@xxxxxxxxxxx>
>> ---
>> drivers/gpu/drm/exynos/exynos_drm_crtc.c | 4 ++--
>> drivers/gpu/drm/exynos/exynos_drm_plane.c | 21 ++++++++++++++++++++-
>> drivers/gpu/drm/exynos/exynos_drm_plane.h | 2 +-
>> 3 files changed, 23 insertions(+), 4 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
>> index dac8f90..2765f7e 100644
>> --- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c
>> +++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
>> @@ -129,7 +129,7 @@ static int exynos_drm_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y,
>> crtc_w = fb->width - x;
>> crtc_h = fb->height - y;
>>
>> - return exynos_update_plane(crtc->primary, crtc, fb, 0, 0,
>> + return exynos_plane_update(crtc->primary, crtc, fb, 0, 0,
>> crtc_w, crtc_h, x, y, crtc_w, crtc_h);
>
> This patch goes in the opposite direction of the clean up to support atomic
> modesetting on exynos (see my patches for atomic modesetting here[0]) In my
> latest series there was an effort to unify all places we update a plane under
> exynos_update_plane() and this is a essential step for atomic modesetting.
>
No, this change is just to rename function, actually
"exynos_plane_update" is more suitable because use exynos_plane_ prefix
like other functions of plane. This will conflict your patcheset but it
doesn't give any wrong operation effect, just need rename.
Thanks.
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