* [PATCH] drm/atomic: Remove WARN_ON for invalid plane configuration.
@ 2018-01-30 10:27 Maarten Lankhorst
2018-01-30 15:21 ` Harry Wentland
0 siblings, 1 reply; 3+ messages in thread
From: Maarten Lankhorst @ 2018-01-30 10:27 UTC (permalink / raw)
To: dri-devel; +Cc: Daniel Vetter
Userspace can set a FB_ID on a plane without setting CRTC_ID, which
will fail with -EINVAL, but the kernel shouldn't warn about that.
Same for !FB_ID and CRTC_ID being set.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
---
drivers/gpu/drm/drm_atomic.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
index 51a848c553b9..7d9ad20040a1 100644
--- a/drivers/gpu/drm/drm_atomic.c
+++ b/drivers/gpu/drm/drm_atomic.c
@@ -863,10 +863,10 @@ static int drm_atomic_plane_check(struct drm_plane *plane,
int ret;
/* either *both* CRTC and FB must be set, or neither */
- if (WARN_ON(state->crtc && !state->fb)) {
+ if (state->crtc && !state->fb) {
DRM_DEBUG_ATOMIC("CRTC set but no FB\n");
return -EINVAL;
- } else if (WARN_ON(state->fb && !state->crtc)) {
+ } else if (state->fb && !state->crtc) {
DRM_DEBUG_ATOMIC("FB set but no CRTC\n");
return -EINVAL;
}
--
2.15.1
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^ permalink raw reply related [flat|nested] 3+ messages in thread* Re: [PATCH] drm/atomic: Remove WARN_ON for invalid plane configuration.
2018-01-30 10:27 [PATCH] drm/atomic: Remove WARN_ON for invalid plane configuration Maarten Lankhorst
@ 2018-01-30 15:21 ` Harry Wentland
2018-01-30 15:45 ` Maarten Lankhorst
0 siblings, 1 reply; 3+ messages in thread
From: Harry Wentland @ 2018-01-30 15:21 UTC (permalink / raw)
To: Maarten Lankhorst, dri-devel; +Cc: Daniel Vetter
On 2018-01-30 05:27 AM, Maarten Lankhorst wrote:
> Userspace can set a FB_ID on a plane without setting CRTC_ID, which
> will fail with -EINVAL, but the kernel shouldn't warn about that.
>
> Same for !FB_ID and CRTC_ID being set.
>
> Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Harry
> Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
> ---
> drivers/gpu/drm/drm_atomic.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
> index 51a848c553b9..7d9ad20040a1 100644
> --- a/drivers/gpu/drm/drm_atomic.c
> +++ b/drivers/gpu/drm/drm_atomic.c
> @@ -863,10 +863,10 @@ static int drm_atomic_plane_check(struct drm_plane *plane,
> int ret;
>
> /* either *both* CRTC and FB must be set, or neither */
> - if (WARN_ON(state->crtc && !state->fb)) {
> + if (state->crtc && !state->fb) {
> DRM_DEBUG_ATOMIC("CRTC set but no FB\n");
> return -EINVAL;
> - } else if (WARN_ON(state->fb && !state->crtc)) {
> + } else if (state->fb && !state->crtc) {
> DRM_DEBUG_ATOMIC("FB set but no CRTC\n");
> return -EINVAL;
> }
>
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^ permalink raw reply [flat|nested] 3+ messages in thread* Re: [PATCH] drm/atomic: Remove WARN_ON for invalid plane configuration.
2018-01-30 15:21 ` Harry Wentland
@ 2018-01-30 15:45 ` Maarten Lankhorst
0 siblings, 0 replies; 3+ messages in thread
From: Maarten Lankhorst @ 2018-01-30 15:45 UTC (permalink / raw)
To: Harry Wentland, dri-devel; +Cc: Daniel Vetter
Op 30-01-18 om 16:21 schreef Harry Wentland:
> On 2018-01-30 05:27 AM, Maarten Lankhorst wrote:
>> Userspace can set a FB_ID on a plane without setting CRTC_ID, which
>> will fail with -EINVAL, but the kernel shouldn't warn about that.
>>
>> Same for !FB_ID and CRTC_ID being set.
>>
>> Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
>> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
> Reviewed-by: Harry Wentland <harry.wentland@amd.com>
>
> Harry
Thanks, pushed!
~Maarten
>> Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
>> ---
>> drivers/gpu/drm/drm_atomic.c | 4 ++--
>> 1 file changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
>> index 51a848c553b9..7d9ad20040a1 100644
>> --- a/drivers/gpu/drm/drm_atomic.c
>> +++ b/drivers/gpu/drm/drm_atomic.c
>> @@ -863,10 +863,10 @@ static int drm_atomic_plane_check(struct drm_plane *plane,
>> int ret;
>>
>> /* either *both* CRTC and FB must be set, or neither */
>> - if (WARN_ON(state->crtc && !state->fb)) {
>> + if (state->crtc && !state->fb) {
>> DRM_DEBUG_ATOMIC("CRTC set but no FB\n");
>> return -EINVAL;
>> - } else if (WARN_ON(state->fb && !state->crtc)) {
>> + } else if (state->fb && !state->crtc) {
>> DRM_DEBUG_ATOMIC("FB set but no CRTC\n");
>> return -EINVAL;
>> }
>>
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^ permalink raw reply [flat|nested] 3+ messages in thread
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2018-01-30 10:27 [PATCH] drm/atomic: Remove WARN_ON for invalid plane configuration Maarten Lankhorst
2018-01-30 15:21 ` Harry Wentland
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