diff options
| author |   Andrzej Hajda <a.hajda@samsung.com> | 2017-04-05 09:28:29 +0200 |
|---|---|---|
| committer |   Inki Dae <inki.dae@samsung.com> | 2017-06-01 16:21:36 +0900 |
| commit | 366dcad34c2fe1684bd93892d06e774e44600f34 (patch) | |
| tree | 912bb9a630e532a6a7271e079f0d68af424b467d /drivers/gpu/drm/exynos/exynos5433_drm_decon.c | |
| parent | drm/exynos: mixer: document YCbCr magic numbers (diff) | |
| download | linux-dev-366dcad34c2fe1684bd93892d06e774e44600f34.tar.xz linux-dev-366dcad34c2fe1684bd93892d06e774e44600f34.zip | |
drm/exynos/decon5433: always do sw-trigger when vblanks enabled
When vblanks are enabled userspace and/or kernel can expect vblank
interrupt at declared period of time. To generate vblank interrupt
image transfer must be triggered. This patch fixes vblank timeouts
in case of sw-trigger mode.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos5433_drm_decon.c')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos5433_drm_decon.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c index 42e8f8c74bb0..028a6575f7d5 100644 --- a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c +++ b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c @@ -49,6 +49,7 @@ static const char * const decon_clks_name[] = { enum decon_flag_bits { BIT_CLKS_ENABLED, + BIT_IRQS_ENABLED, BIT_WIN_UPDATED, BIT_SUSPENDED }; @@ -104,6 +105,7 @@ static int decon_enable_vblank(struct exynos_drm_crtc *crtc) val |= VIDINTCON0_INTFRMEN | VIDINTCON0_FRAMESEL_FP; writel(val, ctx->addr + DECON_VIDINTCON0); + set_bit(BIT_IRQS_ENABLED, &ctx->flags); return 0; } @@ -112,6 +114,7 @@ static void decon_disable_vblank(struct exynos_drm_crtc *crtc) { struct decon_context *ctx = crtc->ctx; + clear_bit(BIT_IRQS_ENABLED, &ctx->flags); if (test_bit(BIT_SUSPENDED, &ctx->flags)) return; @@ -518,7 +521,8 @@ static void decon_te_irq_handler(struct exynos_drm_crtc *crtc) (ctx->out_type & I80_HW_TRG)) return; - if (test_and_clear_bit(BIT_WIN_UPDATED, &ctx->flags)) + if (test_and_clear_bit(BIT_WIN_UPDATED, &ctx->flags) || + test_bit(BIT_IRQS_ENABLED, &ctx->flags)) decon_set_bits(ctx, DECON_TRIGCON, TRIGCON_SWTRIGCMD, ~0); } |