* [PATCH] drm/amd/display: remove usage of legacy_cursor_update
@ 2017-11-23 6:16 S, Shirish
[not found] ` <BN6PR12MB1826D81F6C6FF778A79C6754F2210-/b2+HYfkarSCndJ3FSsNdQdYzm3356FpvxpqHgZTriW3zl9H0oFU5g@public.gmane.org>
0 siblings, 1 reply; 2+ messages in thread
From: S, Shirish @ 2017-11-23 6:16 UTC (permalink / raw)
To: amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW
From: Shirish S <shirish.s@amd.com>
Currently the atomic check code uses legacy_cursor_update to differnetiate if the cursor plane is being requested by the user, which is not required as we shall be updating plane only if modeset is requested/required.
Have tested cursor plane and underlay get updated seamlessly, without any lag or frame drops.
Signed-off-by: Shirish S <shirish.s@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
---
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 41 +++++++----------------
1 file changed, 12 insertions(+), 29 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 8638f1c..2df2e32 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -4752,8 +4752,6 @@ static int dm_update_planes_state(struct dc *dc, static int amdgpu_dm_atomic_check(struct drm_device *dev,
struct drm_atomic_state *state)
{
- int i;
- int ret;
struct amdgpu_device *adev = dev->dev_private;
struct dc *dc = adev->dm.dc;
struct dm_atomic_state *dm_state = to_dm_atomic_state(state); @@ -4761,6 +4759,7 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev,
struct drm_connector_state *old_con_state, *new_con_state;
struct drm_crtc *crtc;
struct drm_crtc_state *old_crtc_state, *new_crtc_state;
+ int ret, i;
/*
* This bool will be set for true for any modeset/reset @@ -4772,36 +4771,20 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev,
if (ret)
goto fail;
- /*
- * legacy_cursor_update should be made false for SoC's having
- * a dedicated hardware plane for cursor in amdgpu_dm_atomic_commit(),
- * otherwise for software cursor plane,
- * we should not add it to list of affected planes.
- */
- if (state->legacy_cursor_update) {
- for_each_new_crtc_in_state(state, crtc, new_crtc_state, i) {
- if (new_crtc_state->color_mgmt_changed) {
- ret = drm_atomic_add_affected_planes(state, crtc);
- if (ret)
- goto fail;
- }
- }
- } else {
- for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) {
- if (!drm_atomic_crtc_needs_modeset(new_crtc_state))
- continue;
+ for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) {
+ if (!drm_atomic_crtc_needs_modeset(new_crtc_state))
+ continue;
- if (!new_crtc_state->enable)
- continue;
+ if (!new_crtc_state->enable)
+ continue;
- ret = drm_atomic_add_affected_connectors(state, crtc);
- if (ret)
- return ret;
+ ret = drm_atomic_add_affected_connectors(state, crtc);
+ if (ret)
+ return ret;
- ret = drm_atomic_add_affected_planes(state, crtc);
- if (ret)
- goto fail;
- }
+ ret = drm_atomic_add_affected_planes(state, crtc);
+ if (ret)
+ goto fail;
}
dm_state->context = dc_create_state();
--
2.7.4
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^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] drm/amd/display: remove usage of legacy_cursor_update
[not found] ` <BN6PR12MB1826D81F6C6FF778A79C6754F2210-/b2+HYfkarSCndJ3FSsNdQdYzm3356FpvxpqHgZTriW3zl9H0oFU5g@public.gmane.org>
@ 2017-11-24 22:00 ` Andrey Grodzovsky
0 siblings, 0 replies; 2+ messages in thread
From: Andrey Grodzovsky @ 2017-11-24 22:00 UTC (permalink / raw)
To: S, Shirish, amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW
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On 2017-11-23 01:16 AM, S, Shirish wrote:
> From: Shirish S <shirish.s-5C7GfCeVMHo@public.gmane.org>
>
> Currently the atomic check code uses legacy_cursor_update to differnetiate if the cursor plane is being requested by the user, which is not required as we shall be updating plane only if modeset is requested/required.
>
> Have tested cursor plane and underlay get updated seamlessly, without any lag or frame drops.
>
> Signed-off-by: Shirish S <shirish.s-5C7GfCeVMHo@public.gmane.org>
> Reviewed-by: Harry Wentland <harry.wentland-5C7GfCeVMHo@public.gmane.org>
> ---
> drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 41 +++++++----------------
> 1 file changed, 12 insertions(+), 29 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> index 8638f1c..2df2e32 100644
> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> @@ -4752,8 +4752,6 @@ static int dm_update_planes_state(struct dc *dc, static int amdgpu_dm_atomic_check(struct drm_device *dev,
> struct drm_atomic_state *state)
> {
> - int i;
> - int ret;
> struct amdgpu_device *adev = dev->dev_private;
> struct dc *dc = adev->dm.dc;
> struct dm_atomic_state *dm_state = to_dm_atomic_state(state); @@ -4761,6 +4759,7 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev,
> struct drm_connector_state *old_con_state, *new_con_state;
> struct drm_crtc *crtc;
> struct drm_crtc_state *old_crtc_state, *new_crtc_state;
> + int ret, i;
>
> /*
> * This bool will be set for true for any modeset/reset @@ -4772,36 +4771,20 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev,
> if (ret)
> goto fail;
>
> - /*
> - * legacy_cursor_update should be made false for SoC's having
> - * a dedicated hardware plane for cursor in amdgpu_dm_atomic_commit(),
> - * otherwise for software cursor plane,
> - * we should not add it to list of affected planes.
> - */
> - if (state->legacy_cursor_update) {
> - for_each_new_crtc_in_state(state, crtc, new_crtc_state, i) {
> - if (new_crtc_state->color_mgmt_changed) {
> - ret = drm_atomic_add_affected_planes(state, crtc);
I don't even understand this, why even bundle together cursor updates
and gamma settings...
Change is Reviewed-by: Andrey Grodzovsky <andrey.grodzovsky-5C7GfCeVMHo@public.gmane.org>
Thanks,
Andrey
> - if (ret)
> - goto fail;
> - }
> - }
> - } else {
> - for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) {
> - if (!drm_atomic_crtc_needs_modeset(new_crtc_state))
> - continue;
> + for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) {
> + if (!drm_atomic_crtc_needs_modeset(new_crtc_state))
> + continue;
>
> - if (!new_crtc_state->enable)
> - continue;
> + if (!new_crtc_state->enable)
> + continue;
>
> - ret = drm_atomic_add_affected_connectors(state, crtc);
> - if (ret)
> - return ret;
> + ret = drm_atomic_add_affected_connectors(state, crtc);
> + if (ret)
> + return ret;
>
> - ret = drm_atomic_add_affected_planes(state, crtc);
> - if (ret)
> - goto fail;
> - }
> + ret = drm_atomic_add_affected_planes(state, crtc);
> + if (ret)
> + goto fail;
> }
>
> dm_state->context = dc_create_state();
> --
> 2.7.4
>
> _______________________________________________
> amd-gfx mailing list
> amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
> https://lists.freedesktop.org/mailman/listinfo/amd-gfx
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2017-11-23 6:16 [PATCH] drm/amd/display: remove usage of legacy_cursor_update S, Shirish
[not found] ` <BN6PR12MB1826D81F6C6FF778A79C6754F2210-/b2+HYfkarSCndJ3FSsNdQdYzm3356FpvxpqHgZTriW3zl9H0oFU5g@public.gmane.org>
2017-11-24 22:00 ` Andrey Grodzovsky
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