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drm/exynos: mixer: properly update all planes on the same vblank event 

This patch also moves mixer_vsync_set_update() to newly introduced
mixer_atomic_begin/flush callbacks. This ensures that all mixer planes
will be updated on the same vsync event.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
This commit is contained in:
Marek Szyprowski 2016-01-05 13:52:52 +01:00 committed by Inki Dae
parent d29c2c1407
commit 3dbaab16c4
1 changed files with 25 additions and 9 deletions
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34
drivers/gpu/drm/exynos/exynos_mixer.c
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@ -516,7 +516,6 @@ static void vp_video_buffer(struct mixer_context *ctx,
}
spin_lock_irqsave(&res->reg_slock, flags);
mixer_vsync_set_update(ctx, false);
/* interlace or progressive scan mode */
val = (ctx->interlace ? ~0 : 0);
@ -567,7 +566,6 @@ static void vp_video_buffer(struct mixer_context *ctx,
mixer_cfg_vp_blend(ctx);
mixer_run(ctx);
mixer_vsync_set_update(ctx, true);
spin_unlock_irqrestore(&res->reg_slock, flags);
mixer_regs_dump(ctx);
@ -642,7 +640,6 @@ static void mixer_graph_buffer(struct mixer_context *ctx,
ctx->interlace = false;
spin_lock_irqsave(&res->reg_slock, flags);
mixer_vsync_set_update(ctx, false);
/* setup format */
mixer_reg_writemask(res, MXR_GRAPHIC_CFG(win),
@ -691,7 +688,6 @@ static void mixer_graph_buffer(struct mixer_context *ctx,
mixer_run(ctx);
mixer_vsync_set_update(ctx, true);
spin_unlock_irqrestore(&res->reg_slock, flags);
mixer_regs_dump(ctx);
@ -718,7 +714,6 @@ static void mixer_win_reset(struct mixer_context *ctx)
unsigned long flags;
spin_lock_irqsave(&res->reg_slock, flags);
mixer_vsync_set_update(ctx, false);
mixer_reg_writemask(res, MXR_CFG, MXR_CFG_DST_HDMI, MXR_CFG_DST_MASK);
@ -749,7 +744,6 @@ static void mixer_win_reset(struct mixer_context *ctx)
if (ctx->vp_enabled)
mixer_reg_writemask(res, MXR_CFG, 0, MXR_CFG_VP_ENABLE);
mixer_vsync_set_update(ctx, true);
spin_unlock_irqrestore(&res->reg_slock, flags);
}
@ -980,6 +974,16 @@ static void mixer_disable_vblank(struct exynos_drm_crtc *crtc)
mixer_reg_writemask(res, MXR_INT_EN, 0, MXR_INT_EN_VSYNC);
}
static void mixer_atomic_begin(struct exynos_drm_crtc *crtc)
{
struct mixer_context *mixer_ctx = crtc->ctx;
if (!test_bit(MXR_BIT_POWERED, &mixer_ctx->flags))
return;
mixer_vsync_set_update(mixer_ctx, false);
}
static void mixer_update_plane(struct exynos_drm_crtc *crtc,
struct exynos_drm_plane *plane)
{
@ -1009,12 +1013,18 @@ static void mixer_disable_plane(struct exynos_drm_crtc *crtc,
return;
spin_lock_irqsave(&res->reg_slock, flags);
mixer_vsync_set_update(mixer_ctx, false);
mixer_cfg_layer(mixer_ctx, plane->index, 0, false);
spin_unlock_irqrestore(&res->reg_slock, flags);
}
static void mixer_atomic_flush(struct exynos_drm_crtc *crtc)
{
struct mixer_context *mixer_ctx = crtc->ctx;
if (!test_bit(MXR_BIT_POWERED, &mixer_ctx->flags))
return;
mixer_vsync_set_update(mixer_ctx, true);
spin_unlock_irqrestore(&res->reg_slock, flags);
}
static void mixer_wait_for_vblank(struct exynos_drm_crtc *crtc)
@ -1055,6 +1065,8 @@ static void mixer_enable(struct exynos_drm_crtc *crtc)
pm_runtime_get_sync(ctx->dev);
mixer_vsync_set_update(ctx, false);
mixer_reg_writemask(res, MXR_STATUS, ~0, MXR_STATUS_SOFT_RESET);
if (test_bit(MXR_BIT_VSYNC, &ctx->flags)) {
@ -1063,6 +1075,8 @@ static void mixer_enable(struct exynos_drm_crtc *crtc)
}
mixer_win_reset(ctx);
mixer_vsync_set_update(ctx, true);
set_bit(MXR_BIT_POWERED, &ctx->flags);
}
@ -1113,8 +1127,10 @@ static const struct exynos_drm_crtc_ops mixer_crtc_ops = {
.enable_vblank = mixer_enable_vblank,
.disable_vblank = mixer_disable_vblank,
.wait_for_vblank = mixer_wait_for_vblank,
.atomic_begin = mixer_atomic_begin,
.update_plane = mixer_update_plane,
.disable_plane = mixer_disable_plane,
.atomic_flush = mixer_atomic_flush,
.atomic_check = mixer_atomic_check,
};